diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1c0a74648..19e2e8c9f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1142,6 +1142,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1324,6 +1326,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/config/quality/quality-baseline.json b/config/quality/quality-baseline.json
index b20125976e..53eab2e62b 100644
--- a/config/quality/quality-baseline.json
+++ b/config/quality/quality-baseline.json
@@ -106,12 +106,13 @@
       "_rebaseline_2026_07_13_v3847_release": "39.3 -> 38.0 (-1.3, beyond the 0.5 eps). v3.8.47 cycle drift: the cycle merged ~45 PRs adding API routes (relay repair/free-pool #6909, backpressure #6590, combo context requirements #6907, services/usage endpoints) faster than openapi.yaml documentation; same class as the v3.8.34/v3.8.39 rebaselines. Documented follow-up: raise coverage next cycle via docs/openapi.yaml additions."
     },
     "i18nUiCoverage.pct": {
-      "value": 75.5,
+      "value": 99,
       "direction": "up",
       "eps": 0.5,
       "_rebaseline_2026_07_04_v3844_release": "77.5 -> 76.8 (-0.7, beyond the 0.5 eps). v3.8.44 cycle drift surfaced only on the release PR (i18n-ui-coverage does NOT run on PR->release fast-gates). The cycle added ~1352 new UI keys to the en.json denominator (Discovery dashboard tab #5939, Bifrost/Mux embedded-service tabs #5817/#6034, proxy batch-ops #5918, fusion defaults #5598, tool-source toggle #5978, quota-row collapse #5977, CodeWhale/Crush CLI cards #5996/#5970, etc.) that the async i18n translation workflow has not yet back-filled (worst locales measure 76.8; __MISSING__ placeholders count as uncovered by design). Same shape and remedy as _rebaseline_2026_06_28_v3839_release. Recover via the i18n workflow next cycle; tighten with --require-tighten once translations land.",
       "_rebaseline_2026_06_28_v3839_release": "78.4 -> 77.5 (-0.9, beyond the 0.5 eps). v3.8.39 cycle drift surfaced ONLY on the release PR (i18n-ui-coverage does NOT run on PR->release fast-gates). The cycle added new UI strings (compression studio TOON A/B table, antigravity remote-login dashboard field, amber warning icon) to the en denominator faster than the 37 non-en locales were translated; those locales need `npm run i18n:run` with OMNIROUTE_TRANSLATION_API_KEY (unavailable locally) — same precedent as _rebaseline_2026_06_18_v3828_cycle_close + _quality_rebaseline_2026_06_20_ci_ratchet. Measured by CI collect-metrics (run 28317145160) = 77.5. My release-finalize tree changes no src/i18n/messages/*.json. Tightening is tracked as follow-up (run i18n:run with creds).",
-      "_rebaseline_2026_07_13_v3847_release": "76.8 -> 75.5 (-1.3, beyond the 0.5 eps). v3.8.47 cycle drift: merged UI features added EN strings (relay repair UI #6909, combo builder #6907/#6991, capability override UI #6727) ahead of the 42-locale mirrors; same class as the v3.8.39/v3.8.44 rebaselines."
+      "_rebaseline_2026_07_13_v3847_release": "76.8 -> 75.5 (-1.3, beyond the 0.5 eps). v3.8.47 cycle drift: merged UI features added EN strings (relay repair UI #6909, combo builder #6907/#6991, capability override UI #6727) ahead of the 42-locale mirrors; same class as the v3.8.39/v3.8.44 rebaselines.",
+      "_rebaseline_2026_07_28_v3849_release": "75.5 -> 99 (+23.5). Aperto EXIGIDO pelo modo --require-tighten do ratchet: a métrica melhorou de verdade no ciclo v3.8.49. A causa é o workflow assíncrono de tradução, que finalmente alcançou o denominador em EN — as rebaselines anteriores (v3.8.39/.44/.47) foram todas afrouxamentos registrando o atraso das traduções, e agora ele foi pago. O coletor SUBTRAI os placeholders (present - placeholder em scripts/quality/collect-metrics.mjs), então os 317 marcadores __MISSING__ que esta release introduziu para o drift de valor já estão descontados dos 99 — o número é honesto, não inflado por placeholder. Medido pelo collect-metrics do CI no run 30404226939."
     },
     "deadExports": {
       "value": 227,
diff --git a/docs/i18n/ar/CHANGELOG.md b/docs/i18n/ar/CHANGELOG.md
index 3b754cd368..52424e2256 100644
--- a/docs/i18n/ar/CHANGELOG.md
+++ b/docs/i18n/ar/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/az/CHANGELOG.md b/docs/i18n/az/CHANGELOG.md
index cec00a4f5a..76997adfda 100644
--- a/docs/i18n/az/CHANGELOG.md
+++ b/docs/i18n/az/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/bg/CHANGELOG.md b/docs/i18n/bg/CHANGELOG.md
index cec00a4f5a..76997adfda 100644
--- a/docs/i18n/bg/CHANGELOG.md
+++ b/docs/i18n/bg/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/bn/CHANGELOG.md b/docs/i18n/bn/CHANGELOG.md
index 916a31cb65..2a16668638 100644
--- a/docs/i18n/bn/CHANGELOG.md
+++ b/docs/i18n/bn/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/cs/CHANGELOG.md b/docs/i18n/cs/CHANGELOG.md
index 9bbb391fc5..127c21aa33 100644
--- a/docs/i18n/cs/CHANGELOG.md
+++ b/docs/i18n/cs/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/da/CHANGELOG.md b/docs/i18n/da/CHANGELOG.md
index 77a6950771..8d59044ead 100644
--- a/docs/i18n/da/CHANGELOG.md
+++ b/docs/i18n/da/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/de/CHANGELOG.md b/docs/i18n/de/CHANGELOG.md
index 60d7ce11eb..91679db6c5 100644
--- a/docs/i18n/de/CHANGELOG.md
+++ b/docs/i18n/de/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/es/CHANGELOG.md b/docs/i18n/es/CHANGELOG.md
index 0f385f4e91..5af844a61e 100644
--- a/docs/i18n/es/CHANGELOG.md
+++ b/docs/i18n/es/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/fa/CHANGELOG.md b/docs/i18n/fa/CHANGELOG.md
index 75fe3da5dd..caf95cd1d8 100644
--- a/docs/i18n/fa/CHANGELOG.md
+++ b/docs/i18n/fa/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/fi/CHANGELOG.md b/docs/i18n/fi/CHANGELOG.md
index cf652c25c9..0e088659b1 100644
--- a/docs/i18n/fi/CHANGELOG.md
+++ b/docs/i18n/fi/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/fr/CHANGELOG.md b/docs/i18n/fr/CHANGELOG.md
index 399f8270ab..6560c0282e 100644
--- a/docs/i18n/fr/CHANGELOG.md
+++ b/docs/i18n/fr/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/gu/CHANGELOG.md b/docs/i18n/gu/CHANGELOG.md
index 89266cb155..0ecf0007a0 100644
--- a/docs/i18n/gu/CHANGELOG.md
+++ b/docs/i18n/gu/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/he/CHANGELOG.md b/docs/i18n/he/CHANGELOG.md
index bc487d5e5b..887cfb6fac 100644
--- a/docs/i18n/he/CHANGELOG.md
+++ b/docs/i18n/he/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/hi/CHANGELOG.md b/docs/i18n/hi/CHANGELOG.md
index bf34aaa8d1..b65f5d2d4e 100644
--- a/docs/i18n/hi/CHANGELOG.md
+++ b/docs/i18n/hi/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/hu/CHANGELOG.md b/docs/i18n/hu/CHANGELOG.md
index b8d33b6bbc..1c946d9d4b 100644
--- a/docs/i18n/hu/CHANGELOG.md
+++ b/docs/i18n/hu/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/id/CHANGELOG.md b/docs/i18n/id/CHANGELOG.md
index 913fedff85..73ad83be7c 100644
--- a/docs/i18n/id/CHANGELOG.md
+++ b/docs/i18n/id/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/in/CHANGELOG.md b/docs/i18n/in/CHANGELOG.md
index 8a8b5f1dc3..8be062d17a 100644
--- a/docs/i18n/in/CHANGELOG.md
+++ b/docs/i18n/in/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/it/CHANGELOG.md b/docs/i18n/it/CHANGELOG.md
index 04ee523052..6f44c2f513 100644
--- a/docs/i18n/it/CHANGELOG.md
+++ b/docs/i18n/it/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ja/CHANGELOG.md b/docs/i18n/ja/CHANGELOG.md
index 6358eea430..8ef8deaad4 100644
--- a/docs/i18n/ja/CHANGELOG.md
+++ b/docs/i18n/ja/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ko/CHANGELOG.md b/docs/i18n/ko/CHANGELOG.md
index 6d688bc581..bbc6a9a9f7 100644
--- a/docs/i18n/ko/CHANGELOG.md
+++ b/docs/i18n/ko/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/mr/CHANGELOG.md b/docs/i18n/mr/CHANGELOG.md
index 2f3355791a..1e40f33143 100644
--- a/docs/i18n/mr/CHANGELOG.md
+++ b/docs/i18n/mr/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ms/CHANGELOG.md b/docs/i18n/ms/CHANGELOG.md
index 8929928e3a..f8c4ab0bcf 100644
--- a/docs/i18n/ms/CHANGELOG.md
+++ b/docs/i18n/ms/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/nl/CHANGELOG.md b/docs/i18n/nl/CHANGELOG.md
index 9a86247976..d5c020ff03 100644
--- a/docs/i18n/nl/CHANGELOG.md
+++ b/docs/i18n/nl/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/no/CHANGELOG.md b/docs/i18n/no/CHANGELOG.md
index 9f3765eb60..1b6c43339d 100644
--- a/docs/i18n/no/CHANGELOG.md
+++ b/docs/i18n/no/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/phi/CHANGELOG.md b/docs/i18n/phi/CHANGELOG.md
index b99f99fb10..f3ac889a3e 100644
--- a/docs/i18n/phi/CHANGELOG.md
+++ b/docs/i18n/phi/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/pl/CHANGELOG.md b/docs/i18n/pl/CHANGELOG.md
index e1c0a74648..19e2e8c9f5 100644
--- a/docs/i18n/pl/CHANGELOG.md
+++ b/docs/i18n/pl/CHANGELOG.md
@@ -1142,6 +1142,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1324,6 +1326,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/pt-BR/CHANGELOG.md b/docs/i18n/pt-BR/CHANGELOG.md
index d0f2782773..39bf4f85b9 100644
--- a/docs/i18n/pt-BR/CHANGELOG.md
+++ b/docs/i18n/pt-BR/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/pt/CHANGELOG.md b/docs/i18n/pt/CHANGELOG.md
index 764114a1f4..8c53199540 100644
--- a/docs/i18n/pt/CHANGELOG.md
+++ b/docs/i18n/pt/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ro/CHANGELOG.md b/docs/i18n/ro/CHANGELOG.md
index ec3d8f4998..8ce5b8ba36 100644
--- a/docs/i18n/ro/CHANGELOG.md
+++ b/docs/i18n/ro/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ru/CHANGELOG.md b/docs/i18n/ru/CHANGELOG.md
index bf2bc46e18..d29f39d55d 100644
--- a/docs/i18n/ru/CHANGELOG.md
+++ b/docs/i18n/ru/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/sk/CHANGELOG.md b/docs/i18n/sk/CHANGELOG.md
index 6fad1f2df8..09bb9c3cb7 100644
--- a/docs/i18n/sk/CHANGELOG.md
+++ b/docs/i18n/sk/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/sv/CHANGELOG.md b/docs/i18n/sv/CHANGELOG.md
index b114f708ee..e6075eae67 100644
--- a/docs/i18n/sv/CHANGELOG.md
+++ b/docs/i18n/sv/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/sw/CHANGELOG.md b/docs/i18n/sw/CHANGELOG.md
index 9a088b57c0..59fd5bcd8d 100644
--- a/docs/i18n/sw/CHANGELOG.md
+++ b/docs/i18n/sw/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ta/CHANGELOG.md b/docs/i18n/ta/CHANGELOG.md
index 46e5f22ec1..f40992ca3a 100644
--- a/docs/i18n/ta/CHANGELOG.md
+++ b/docs/i18n/ta/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/te/CHANGELOG.md b/docs/i18n/te/CHANGELOG.md
index a4f164d112..91b42ea713 100644
--- a/docs/i18n/te/CHANGELOG.md
+++ b/docs/i18n/te/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/th/CHANGELOG.md b/docs/i18n/th/CHANGELOG.md
index 037f9bed2f..1d1a7bd301 100644
--- a/docs/i18n/th/CHANGELOG.md
+++ b/docs/i18n/th/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/tr/CHANGELOG.md b/docs/i18n/tr/CHANGELOG.md
index a46de1f50c..385462e359 100644
--- a/docs/i18n/tr/CHANGELOG.md
+++ b/docs/i18n/tr/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/uk-UA/CHANGELOG.md b/docs/i18n/uk-UA/CHANGELOG.md
index d7187498b3..e453e04cfa 100644
--- a/docs/i18n/uk-UA/CHANGELOG.md
+++ b/docs/i18n/uk-UA/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/ur/CHANGELOG.md b/docs/i18n/ur/CHANGELOG.md
index c376d2e5a8..90986940d8 100644
--- a/docs/i18n/ur/CHANGELOG.md
+++ b/docs/i18n/ur/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/vi/CHANGELOG.md b/docs/i18n/vi/CHANGELOG.md
index 7e8f5181a7..1b37c0b7ee 100644
--- a/docs/i18n/vi/CHANGELOG.md
+++ b/docs/i18n/vi/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/zh-CN/CHANGELOG.md b/docs/i18n/zh-CN/CHANGELOG.md
index d39ae160c4..f65b912741 100644
--- a/docs/i18n/zh-CN/CHANGELOG.md
+++ b/docs/i18n/zh-CN/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/docs/i18n/zh-TW/CHANGELOG.md b/docs/i18n/zh-TW/CHANGELOG.md
index acebc8db0a..b0739acce9 100644
--- a/docs/i18n/zh-TW/CHANGELOG.md
+++ b/docs/i18n/zh-TW/CHANGELOG.md
@@ -1140,6 +1140,8 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 - **fix(api):** stop JSON.stringify-ing messages before estimateTokens (restores #8368 image estimate) [recovered from #8599] ([#8740](https://github.com/diegosouzapw/OmniRoute/pull/8740))
 - **fix(quality):** let --update remove baseline entries that already fit the cap ([#8741](https://github.com/diegosouzapw/OmniRoute/pull/8741)) — thanks @MumuTW
 - **fix:** escape angle brackets in i18n messages to prevent next-intl INVALID_MESSAGE errors ([#8747](https://github.com/diegosouzapw/OmniRoute/pull/8747)) — thanks @SteeleHu
+- **fix(dashboard):** Request Logs detail no longer crashes on a structured error object — #7920 introduced `formatErrorForDisplay` for exactly this, but the combo-503 / cooldown checks added by #8213 read the raw field and called `.toLowerCase()` on it. Both paths now share the helper.
+- **fix(dashboard):** the logs detail modal stops reopening on first close again — #6830 fixed it by reading the deep-link id once, and the #8354 page rewrite regressed it by reading the live `searchParams` on every render, flipping the prop mid-session.
 ### 📚 Docs
 
 - **docs(quality):** codify retry policy per runner + release-level drift rule (WS5.4/WS5.5) ([#7107](https://github.com/diegosouzapw/OmniRoute/pull/7107))
@@ -1322,6 +1324,7 @@ _Living section — regenerated 2026-07-19 from all 306 cycle commits (bump 2c62
 
 - **fix(base-red):** full-suite realignment after the 102-PR merge campaign: two real production fixes (legacy `refresh_token` column healed before its index is created; `shouldSkipCloudSyncInitialization` no longer swaps its `(env, argv)` arguments) plus 13 test files, goldens, provider counts, and env docs realigned to the live-validated behavior of the merged PRs.
 - **chore(release-branch):** cycle maintenance pushed directly to `release/v3.8.49` with no PR of its own — 19 merge-train landings validated on the `.113` box, 14 quality-ratchet re-pins (file-size / complexity / cognitive) absorbing the drift of the merged batches, 8 base-red realignments (build, oauth, embeddings, security, mitm, combo, antigravity, router-eval), the `changelog.d` aggregation passes and the 42 i18n CHANGELOG mirrors.
+- **test(ui):** the `vitest:ui` suite was red across the whole cycle and nobody saw it — the job kept being cancelled by successive pushes, so a blocking gate never ran to completion. Root cause: #7935 instrumented ~180 shared/dashboard components with `next-intl` without updating the tests that mount them. Fixed at the shared setup (`tests/_setup/vitestUiPolyfills.ts`) with a translator backed by the real `en.json`, memoized per namespace so components whose `useCallback`/`useEffect` depend on `t` no longer loop; 15 test files realigned to the real strings. 194→198 files green.
 
 ### 📝 Maintenance
 - **Merge-train script** (`scripts/release/merge-train.sh`): batch-validates N queued PRs as ONE merged result on the runner box — merges every queued PR into a throwaway worktree cut from the release tip, runs the fast-gates parity suite once, and prints the `--admin` evidence block per PR (merge-gates §7). Replaces O(N²) per-PR CI re-runs in merge-storms. Regression guard: `tests/unit/merge-train-plan.test.ts`. ([#6784](https://github.com/diegosouzapw/OmniRoute/pull/6784))
diff --git a/src/app/(dashboard)/dashboard/logs/page.tsx b/src/app/(dashboard)/dashboard/logs/page.tsx
index fa9801de34..cbe0d4f340 100644
--- a/src/app/(dashboard)/dashboard/logs/page.tsx
+++ b/src/app/(dashboard)/dashboard/logs/page.tsx
@@ -28,7 +28,11 @@ function logsText(
 
 function LogsPageContent() {
   const searchParams = useSearchParams();
-  const initialId = searchParams.get("id");
+  // Read ONCE: #6830 fixed the detail modal reopening on first close by freezing this
+  // value, and the #8354 page rewrite regressed it by reading the live searchParams on
+  // every render — the prop flips mid-session and re-fires the child's deep-link effect
+  // exactly when the modal closes.
+  const [initialId] = useState(() => searchParams.get("id"));
 
   const [showExport, setShowExport] = useState(false);
   const [exporting, setExporting] = useState(false);
diff --git a/src/shared/components/RequestLoggerDetail.tsx b/src/shared/components/RequestLoggerDetail.tsx
index 84070bf728..f6b55ad630 100644
--- a/src/shared/components/RequestLoggerDetail.tsx
+++ b/src/shared/components/RequestLoggerDetail.tsx
@@ -218,7 +218,11 @@ export default function RequestLoggerDetail({
   const [unblocking, setUnblocking] = useState(false);
   const [cleared, setCleared] = useState(false);
 
-  const errorText = (detail?.error || log.error) ?? "";
+  // #7920 gave this component formatErrorForDisplay for structured error objects, but the
+  // #8213 combo/cooldown checks below went straight to the raw field and call
+  // .toLowerCase() on it — which throws the moment `error` is an object. Same helper,
+  // same normalization, one source of truth.
+  const errorText = formatErrorForDisplay(detail?.error || log.error) ?? "";
   const isCombo503 =
     log.status === 503 && errorText.toLowerCase().includes("all targets exhausted");
   const isModelCooldown = !isCombo503 && errorText.toLowerCase().includes("cooling down");
diff --git a/tests/_setup/vitestUiPolyfills.ts b/tests/_setup/vitestUiPolyfills.ts
index 96d873972b..8ede371449 100644
--- a/tests/_setup/vitestUiPolyfills.ts
+++ b/tests/_setup/vitestUiPolyfills.ts
@@ -21,3 +21,62 @@ if (typeof window !== "undefined" && typeof window.matchMedia !== "function") {
     return mql as unknown as MediaQueryList;
   };
 }
+
+// #7935 wired `useTranslations`/`useLocale` (next-intl) into ~180 dashboard/shared
+// components (Button, Modal, Select, EmptyState, ProviderIcon, ...). Any UI test that
+// mounts a component depending on one of those — directly or transitively — without its
+// own `vi.mock("next-intl", ...)` now crashes with "context from NextIntlClientProvider
+// was not found". Rather than repeat a next-intl mock in dozens of test files, register
+// one globally here, backed by the REAL `en.json` messages via next-intl's own
+// `createTranslator` (imported from `use-intl/core`, which next-intl re-exports it from,
+// so this module is never self-referential with the "next-intl" mock below). This makes
+// `t(key, params)` render the actual production English copy — including ICU plural/
+// select and ${param} interpolation — instead of a placeholder, so assertions on
+// rendered text keep testing real behavior. A test file that declares its own
+// `vi.mock("next-intl", ...)` still overrides this default for that file (Vitest applies
+// the most specific / last-registered factory per module id).
+import type { ReactNode } from "react";
+import { vi } from "vitest";
+import { createTranslator } from "use-intl/core";
+import en from "../../src/i18n/messages/en.json";
+
+type Messages = Record<string, unknown>;
+
+// Real next-intl's `useTranslations(namespace)` returns a REFERENTIALLY STABLE function
+// across re-renders (it's memoized internally on locale/namespace/messages). Components
+// routinely put `t` in a `useCallback`/`useEffect` dependency array (e.g.
+// ClaudeClassifierCompatToggle's `load`/`cycle` callbacks). Returning a fresh closure on
+// every call — as a naive mock does — breaks that memoization contract: the effect sees a
+// "new" `t` every render and re-fires forever, hanging the test on a hidden infinite
+// render loop instead of failing fast. Cache one translator per namespace so identity is
+// stable, matching production.
+const translatorCache = new Map<string, ReturnType<typeof createTranslator>>();
+
+vi.mock("next-intl", () => ({
+  useTranslations: (namespace?: string) => {
+    const cacheKey = namespace ?? "";
+    const cached = translatorCache.get(cacheKey);
+    if (cached) return cached;
+    const t = createTranslator({
+      locale: "en",
+      messages: en as Messages,
+      namespace,
+      onError: () => {
+        // Swallow MISSING_MESSAGE noise — fall back to the key below, same as the
+        // per-file `(key) => key` mocks this replaces for files with no local mock.
+      },
+      getMessageFallback: ({ key }) => key,
+    });
+    translatorCache.set(cacheKey, t);
+    return t;
+  },
+  useLocale: () => "en",
+  // A handful of tests (e.g. compressionCockpit.test.tsx, compressionHub*.test.tsx)
+  // import the REAL `NextIntlClientProvider` to wrap the component under test — because
+  // this file mocks the whole "next-intl" module, that import would otherwise resolve to
+  // `undefined` and crash with "X is not a function". `useTranslations`/`useLocale` above
+  // never read from React context (they call `createTranslator` directly), so the
+  // provider only needs to render its children through — the `locale`/`messages` props
+  // passed to it are inert here.
+  NextIntlClientProvider: ({ children }: { children?: ReactNode }) => children,
+}));
diff --git a/tests/unit/ui/CliCodePage.test.tsx b/tests/unit/ui/CliCodePage.test.tsx
index 9334d1645c..9a4933e2b3 100644
--- a/tests/unit/ui/CliCodePage.test.tsx
+++ b/tests/unit/ui/CliCodePage.test.tsx
@@ -20,10 +20,11 @@ vi.mock("next/link", () => ({
   ),
 }));
 
-vi.mock("next-intl", () => ({
-  useTranslations: (ns: string) => (key: string) => `${ns}.${key}`,
-  useLocale: () => "en",
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock
+// registered in tests/_setup/vitestUiPolyfills.ts (backed by src/i18n/messages/en.json
+// via next-intl's own createTranslator). The previous local mock rendered raw
+// "namespace.key" strings, which no longer matches most assertions below (they check
+// literal English copy such as "Claude Code profiles").
 
 // Mock CLI components so tests don't pull in their heavy dependencies
 vi.mock("@/shared/components/cli", () => ({
@@ -398,8 +399,8 @@ describe("CliCodePageClient", () => {
     // The banner should appear (providers loading done, hasActiveProviders = false)
     const providerLink = container.querySelector('a[href="/dashboard/providers"]');
     expect(providerLink).not.toBeNull();
-    // Banner text keys
-    expect(container.textContent).toContain("detail.noActiveProviders");
+    // Banner text (cliCommon.detail.noActiveProviders in src/i18n/messages/en.json)
+    expect(container.textContent).toContain("No active providers");
   });
 
   it("6. CliConceptCard rendered at top with currentType='code'", async () => {
diff --git a/tests/unit/ui/CliToolCard.test.tsx b/tests/unit/ui/CliToolCard.test.tsx
index a3f328c433..7c8a58f098 100644
--- a/tests/unit/ui/CliToolCard.test.tsx
+++ b/tests/unit/ui/CliToolCard.test.tsx
@@ -20,21 +20,11 @@ vi.mock("next/link", () => ({
   ),
 }));
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => {
-    const messages: Record<string, string> = {
-      "card.detected": "Detected",
-      "card.notDetected": "Not detected",
-      "card.configure": "Configure →",
-      "card.howToInstall": "How to install →",
-      "card.baseUrlPartial": "Partial Base URL",
-      "card.alsoAcp": "also ACP",
-      "card.connectProviderHint": "Connect a provider in Providers",
-    };
-    return (key: string) => messages[key] ?? key;
-  },
-  useLocale: () => "en",
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. The previous local mock hand-copied a partial
+// message subset under a single flat table shared across both `useTranslations("cliCommon")`
+// and `useTranslations("cliTools")` calls in CliToolCard.tsx, which drifted out of sync
+// (missing "versionNotFound"/"manualConfig") and didn't separate namespaces.
 
 // Stub CliStatusBadge so it doesn't need next-intl internals
 vi.mock("@/app/(dashboard)/dashboard/cli-code/components/CliStatusBadge", () => ({
diff --git a/tests/unit/ui/allocation-table.test.tsx b/tests/unit/ui/allocation-table.test.tsx
index c03657eb6e..dc92e36f1d 100644
--- a/tests/unit/ui/allocation-table.test.tsx
+++ b/tests/unit/ui/allocation-table.test.tsx
@@ -4,9 +4,11 @@ import { act } from "react";
 import { createRoot } from "react-dom/client";
 import { afterEach, describe, expect, it, vi } from "vitest";
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. The previous `(key) => key` mock rendered
+// "policyHard"/"policySoft" literally, which failed the "renders policy badges" test's
+// lowercase "hard"/"soft" check below (case mismatch: "policyHard" vs "hard"). The real
+// en.json copy for both keys is the plain lowercase word.
 
 const { default: AllocationTable } = await import(
   "../../../src/app/(dashboard)/dashboard/costs/quota-share/components/AllocationTable"
@@ -43,7 +45,8 @@ describe("AllocationTable", { timeout: 10000 }, () => {
 
   it("renders empty state when no allocations", async () => {
     await render({ allocations: [], usage: null, keyLabels: {} });
-    expect(document.body.innerHTML).toContain("noAllocations");
+    // quotaShare.noAllocations in src/i18n/messages/en.json
+    expect(document.body.innerHTML).toContain("No keys allocated yet");
   });
 
   it("renders key labels", async () => {
@@ -83,7 +86,7 @@ describe("AllocationTable", { timeout: 10000 }, () => {
     await render({ allocations: ALLOCATIONS, usage: usage as never, keyLabels: KEY_LABELS });
     expect(document.body.innerHTML).toContain("300");
     expect(document.body.innerHTML).toContain("100");
-    // borrowing indicator for key_2
-    expect(document.body.innerHTML).toContain("borrowingIndicator");
+    // borrowing indicator for key_2 (quotaShare.borrowingIndicator in en.json)
+    expect(document.body.innerHTML).toContain("borrowing");
   });
 });
diff --git a/tests/unit/ui/burn-rate-chart.test.tsx b/tests/unit/ui/burn-rate-chart.test.tsx
index 2148fca4be..97d26e06a7 100644
--- a/tests/unit/ui/burn-rate-chart.test.tsx
+++ b/tests/unit/ui/burn-rate-chart.test.tsx
@@ -2,15 +2,45 @@
 import React from "react";
 import { act } from "react";
 import { createRoot } from "react-dom/client";
-import { afterEach, describe, expect, it, vi } from "vitest";
+import { afterEach, beforeAll, describe, expect, it, vi } from "vitest";
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts (quotaShare.burnRateTitle = "Burn rate",
+// .burnRateExhaustsIn = "Exhausts in" in en.json).
 
-// Stub next/dynamic — returns null component (recharts not needed in tests)
+// recharts' ResponsiveContainer (pulled in by BurnRateChartInner) needs ResizeObserver,
+// which jsdom does not implement.
+beforeAll(() => {
+  globalThis.ResizeObserver = class {
+    observe() {}
+    unobserve() {}
+    disconnect() {}
+  } as unknown as typeof ResizeObserver;
+});
+
+// Eagerly resolve the dynamic import so BurnRateChartInner actually renders instead of
+// staying null forever (mirrors the pattern in playground-studio.test.tsx). Tracked via
+// state (not a bare closure variable) so the resolution itself triggers the re-render
+// that picks it up, instead of relying on some later, unrelated state update to do so.
 vi.mock("next/dynamic", () => ({
-  default: () => () => null,
+  default: (fn: () => Promise<{ default: React.ComponentType<Record<string, unknown>> }>) => {
+    return function DynamicWrapper(props: Record<string, unknown>) {
+      const [Component, setComponent] = React.useState<React.ComponentType<
+        Record<string, unknown>
+      > | null>(null);
+      React.useEffect(() => {
+        let mounted = true;
+        fn().then((m) => {
+          if (mounted) setComponent(() => m.default);
+        });
+        return () => {
+          mounted = false;
+        };
+      }, []);
+      if (!Component) return null;
+      return React.createElement(Component, props);
+    };
+  },
 }));
 
 const { default: BurnRateChart } = await import(
@@ -29,6 +59,15 @@ async function render(props: Parameters<typeof BurnRateChart>[0]) {
     root = createRoot(container!);
     root.render(<BurnRateChart {...props} />);
   });
+  // Let the mocked next/dynamic's `fn().then(setComponent)` resolve and commit the
+  // re-render that swaps in BurnRateChartInner. The FIRST import of this module (which
+  // pulls in recharts) needs a real transform, not just a microtask — polling a few
+  // real ticks is more reliable here than a fixed Promise.resolve() count.
+  for (let i = 0; i < 20 && container!.innerHTML === ""; i++) {
+    await act(async () => {
+      await new Promise((resolve) => setTimeout(resolve, 10));
+    });
+  }
 }
 
 describe("BurnRateChart", { timeout: 10000 }, () => {
@@ -41,7 +80,8 @@ describe("BurnRateChart", { timeout: 10000 }, () => {
 
   it("renders no-data state when usage is null", async () => {
     await render({ usage: null });
-    expect(document.body.innerHTML).toContain("burnRateTitle");
+    // quotaShare.burnRateTitle in src/i18n/messages/en.json
+    expect(document.body.innerHTML).toContain("Burn rate");
     expect(document.body.innerHTML).toContain("no data");
   });
 
@@ -64,7 +104,7 @@ describe("BurnRateChart", { timeout: 10000 }, () => {
     await render({ usage: usage as never });
     // Should not show no-data message
     expect(document.body.innerHTML).not.toContain("no data yet");
-    // Should show exhaustion label
-    expect(document.body.innerHTML).toContain("burnRateExhaustsIn");
+    // Should show exhaustion label (quotaShare.burnRateExhaustsIn in en.json)
+    expect(document.body.innerHTML).toContain("Exhausts in");
   });
 });
diff --git a/tests/unit/ui/compression-combos-routing-mode-6760.test.tsx b/tests/unit/ui/compression-combos-routing-mode-6760.test.tsx
index f21b64bed2..58b493f3ba 100644
--- a/tests/unit/ui/compression-combos-routing-mode-6760.test.tsx
+++ b/tests/unit/ui/compression-combos-routing-mode-6760.test.tsx
@@ -112,10 +112,11 @@ describe("CompressionCombosPageClient — routing-combo compression mode selecto
     expect(container.textContent).toContain("Routing Bravo");
     const selects = Array.from(container.querySelectorAll("select")) as HTMLSelectElement[];
     // one per routing combo (2) — the shared ComboCompressionModeSelect renders exactly
-    // the 6-option Default/Off/Lite/Standard/Aggressive/Ultra set.
+    // the 7-option Default/Off/Lite/Standard/Aggressive/Ultra/Responses-tool-output set
+    // (#8010 added "codex-responses", unrelated to this file's original #6760 scope).
     const modeSelects = selects.filter((s) => {
       const values = Array.from(s.options).map((o) => o.value);
-      return values.join(",") === ",off,lite,standard,aggressive,ultra";
+      return values.join(",") === ",off,lite,standard,aggressive,ultra,codex-responses";
     });
     expect(modeSelects).toHaveLength(2);
     expect(modeSelects[0].value).toBe("lite");
@@ -128,7 +129,7 @@ describe("CompressionCombosPageClient — routing-combo compression mode selecto
     const selects = Array.from(container.querySelectorAll("select")) as HTMLSelectElement[];
     const modeSelects = selects.filter((s) => {
       const values = Array.from(s.options).map((o) => o.value);
-      return values.join(",") === ",off,lite,standard,aggressive,ultra";
+      return values.join(",") === ",off,lite,standard,aggressive,ultra,codex-responses";
     });
     await act(async () => {
       modeSelects[0].value = "ultra";
diff --git a/tests/unit/ui/engineConfigPage.test.tsx b/tests/unit/ui/engineConfigPage.test.tsx
index b3769b8875..701e746ba6 100644
--- a/tests/unit/ui/engineConfigPage.test.tsx
+++ b/tests/unit/ui/engineConfigPage.test.tsx
@@ -201,8 +201,10 @@ describe("EngineConfigPage", () => {
       await Promise.resolve();
     });
 
-    // EngineConfigForm should render the "Min rows" field label from the schema
-    expect(container.textContent).toContain("Min rows");
+    // EngineConfigForm prefers the i18n label (compressionEngineConfig.fields.minRows.label
+    // in en.json) over the mocked schema's own "Min rows" when a translation exists — see
+    // EngineConfigPage.tsx's `t.has(labelKey) ? t(labelKey) : field.label`.
+    expect(container.textContent).toContain("Minimum rows to compact");
   });
 
   it("keeps detailed config but renders no engine enable checkbox", async () => {
@@ -222,7 +224,8 @@ describe("EngineConfigPage", () => {
     // The on/off enable toggle (a checkbox with data-toggle="enable") is gone; the
     // detailed config form (the schema fields minus `enabled`) still renders.
     expect(container.querySelector("input[type='checkbox'][data-toggle='enable']")).toBeNull();
-    expect(container.textContent).toContain("Min rows");
+    // See the i18n-label-override note above (compressionEngineConfig.fields.minRows.label).
+    expect(container.textContent).toContain("Minimum rows to compact");
     expect(container.textContent).toContain("Configuration");
   });
 
diff --git a/tests/unit/ui/playground-build-tab.test.tsx b/tests/unit/ui/playground-build-tab.test.tsx
index 2699aa4c53..ea65faf4f8 100644
--- a/tests/unit/ui/playground-build-tab.test.tsx
+++ b/tests/unit/ui/playground-build-tab.test.tsx
@@ -4,9 +4,11 @@ import { act } from "react";
 import { createRoot } from "react-dom/client";
 import { afterEach, describe, expect, it, vi } from "vitest";
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. Most assertions below already check real English
+// copy ("Add tool", "JSON mode", "JSON schema for parameters"); the section-header
+// checks are updated alongside this to match ("toolsLabel" -> "Tools",
+// "structuredOutputLabel" -> "Structured Output").
 
 vi.mock("remark-gfm", () => ({ default: () => {} }));
 vi.mock("react-markdown", () => ({
@@ -71,14 +73,16 @@ function renderBuildTab(config = BASE_CONFIG): HTMLDivElement {
 //   step 2 — configure tools and/or the JSON schema, depending on the mode
 //   step 3 — run + toolbar badges + prompt textarea
 //
-// next-intl is mocked as a key pass-through above, so every translated label
-// renders as its raw i18n key (e.g. "nextButton", "modeToolsTitle").
+// next-intl renders real production copy (see tests/_setup/vitestUiPolyfills.ts), so
+// these helpers locate buttons by their actual en.json text
+// (playground.build.nextButton = "Next", .modeJsonTitle = "JSON", etc.) rather than by
+// raw i18n key.
 
 type BuildMode = "tools" | "json" | "both";
 
 function clickNext(el: HTMLDivElement): void {
   const nextBtn = Array.from(el.querySelectorAll("button")).find((b) =>
-    b.textContent?.includes("nextButton"),
+    b.textContent?.includes("Next"),
   ) as HTMLButtonElement;
   act(() => {
     nextBtn.click();
@@ -89,9 +93,9 @@ function selectMode(el: HTMLDivElement, mode: BuildMode): void {
   // Step 1's default mode is already "tools" — only click a mode card when a
   // different mode is required.
   if (mode === "tools") return;
-  const key = mode === "json" ? "modeJsonTitle" : "modeBothTitle";
+  const label = mode === "json" ? "JSON" : "Tools + JSON";
   const card = Array.from(el.querySelectorAll("button")).find((b) =>
-    b.textContent?.includes(key),
+    b.textContent?.includes(label),
   ) as HTMLButtonElement;
   act(() => {
     card.click();
@@ -124,7 +128,7 @@ describe("BuildTab", () => {
     const el = renderBuildTab();
     goToStep3(el);
     const runBtn = Array.from(el.querySelectorAll("button")).find((b) =>
-      b.textContent?.includes("runButton"),
+      b.textContent?.includes("Run"),
     );
     expect(runBtn).not.toBeUndefined();
   });
@@ -132,14 +136,14 @@ describe("BuildTab", () => {
   it("renders Function calling section", () => {
     const el = renderBuildTab();
     goToStep2(el, "tools");
-    expect(el.textContent).toContain("toolsLabel");
+    expect(el.textContent).toContain("Tools");
     expect(el.textContent).toContain("Add tool");
   });
 
   it("renders Structured output section", () => {
     const el = renderBuildTab();
     goToStep2(el, "json");
-    expect(el.textContent).toContain("structuredOutputLabel");
+    expect(el.textContent).toContain("Structured Output");
     expect(el.textContent).toContain("JSON mode");
   });
 
@@ -255,10 +259,10 @@ describe("BuildTab", () => {
     const promptTextarea = el.querySelector("textarea") as HTMLTextAreaElement;
     act(() => setInputValue(promptTextarea, "Run this tool"));
 
-    // Click Run (label is "runButton" via mocked t())
+    // Click Run (playground.build.runButton = "Run" in en.json)
     const runBtns = el.querySelectorAll("button");
     const runBtn = Array.from(runBtns).find(
-      (b) => b.textContent?.includes("runButton"),
+      (b) => b.textContent?.includes("Run"),
     ) as HTMLButtonElement;
     await act(async () => { runBtn.click(); });
     await act(async () => {
diff --git a/tests/unit/ui/playground-chat-tab.test.tsx b/tests/unit/ui/playground-chat-tab.test.tsx
index d2071e3060..64f2930737 100644
--- a/tests/unit/ui/playground-chat-tab.test.tsx
+++ b/tests/unit/ui/playground-chat-tab.test.tsx
@@ -6,9 +6,10 @@ import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 // ── Mocks ─────────────────────────────────────────────────────────────────────
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. Every check below (button text "Send"/
+// "Regenerate", "Start a conversation" empty state) already expects real production
+// copy, which the previous `(key) => key` mock never rendered.
 
 vi.mock("@/lib/playground/types", () => ({
   getModelPricing: () => null,
diff --git a/tests/unit/ui/playground-config-pane.test.tsx b/tests/unit/ui/playground-config-pane.test.tsx
index f066fdd3ee..4d0cc6825d 100644
--- a/tests/unit/ui/playground-config-pane.test.tsx
+++ b/tests/unit/ui/playground-config-pane.test.tsx
@@ -4,9 +4,10 @@ import { act } from "react";
 import { createRoot } from "react-dom/client";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. The collapse/expand buttons are found by their
+// real `aria-label` text (playground.collapseConfig/expandConfig in en.json), which the
+// previous `(key) => key` mock never produced (it rendered the raw key as the label).
 
 vi.mock("@/lib/playground/codeExport", () => ({
   endpointToPath: (ep: string) => `/v1/${ep}`,
diff --git a/tests/unit/ui/playground-studio.test.tsx b/tests/unit/ui/playground-studio.test.tsx
index 91db18dbf8..a861179816 100644
--- a/tests/unit/ui/playground-studio.test.tsx
+++ b/tests/unit/ui/playground-studio.test.tsx
@@ -229,7 +229,9 @@ describe("PlaygroundStudio", () => {
     const el = renderStudio();
 
     // Verify config pane is rendered
-    const configPaneLabel = el.querySelector("[aria-label='Config pane']");
+    // This file's next-intl mock renders raw translation keys (see the `vi.mock`
+    // above), matching the rest of this file's assertions ("tabChat", "tabApi", ...).
+    const configPaneLabel = el.querySelector("[aria-label='configPane']");
     expect(configPaneLabel).toBeTruthy();
 
     // Switch to API tab
@@ -242,7 +244,7 @@ describe("PlaygroundStudio", () => {
     });
 
     // Config pane should still be visible
-    const configPaneAfterSwitch = el.querySelector("[aria-label='Config pane']");
+    const configPaneAfterSwitch = el.querySelector("[aria-label='configPane']");
     expect(configPaneAfterSwitch).toBeTruthy();
   });
 
diff --git a/tests/unit/ui/runtime-page-client.test.tsx b/tests/unit/ui/runtime-page-client.test.tsx
index e3c068a44b..9c159ec7c2 100644
--- a/tests/unit/ui/runtime-page-client.test.tsx
+++ b/tests/unit/ui/runtime-page-client.test.tsx
@@ -65,79 +65,88 @@ vi.mock("@/shared/components/ProviderIcon", () => ({
   ),
 }));
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => {
-    const messages: Record<string, string> = {
-      title: "Runtime",
-      description: "Realtime observability",
-      pause: "Pause",
-      resume: "Resume",
-      refreshNow: "Refresh now",
-      kpiSessions: "Sessions",
-      kpiCircuits: "Circuits",
-      kpiCooldowns: "Cooldowns",
-      kpiLockouts: "Lockouts",
-      hintStickyBound: "{count} sticky-bound",
-      hintRecovering: "{count} recovering",
-      hintAllHealthy: "all healthy",
-      hintOpen: "open",
-      hintConnsCooling: "connections cooling",
-      hintModelsBlocked: "models blocked",
-      resilienceTitle: "3-Layer Resilience",
-      resilienceSubtitle: "Mirrors the documented resilience model",
-      providersHealthy: "{percent}% providers healthy",
-      layer: "Layer {n}",
-      layer1Title: "Provider Circuit Breakers",
-      layer1Desc: "Stop traffic to providers failing at the upstream level",
-      layer2Title: "Connection Cooldowns",
-      layer2Desc: "Skip one bad account/key",
-      layer3Title: "Model Lockouts",
-      layer3Desc: "Per-model rate-limit locks",
-      badgeAffectedOf: "{affected} of {total} affected",
-      badgeCooling: "{count} cooling",
-      badgeLocked: "{count} locked",
-      emptyCircuits: "No circuit breakers active yet",
-      emptyCooldowns: "No connection cooldowns active",
-      emptyLockouts: "No model lockouts",
-      feedTitle: "Live Feed",
-      feedSubtitle: "Last {count} events",
-      feedFilterAll: "All",
-      feedFilterCircuits: "Circuits",
-      feedFilterCooldowns: "Cooldowns",
-      feedFilterLockouts: "Lockouts",
-      feedFilterSessions: "Sessions",
-      feedFilterQuotas: "Quotas",
-      feedClear: "Clear",
-      feedEmptyWaiting: "Waiting for events...",
-      feedEmptyFiltered: "No events match this filter",
-      sessionsTitle: "Active Sessions",
-      sessionsSubtitle: "Sticky-bound request fingerprints",
-      sessionsActive: "{count} active",
-      sessionsEmptyTitle: "No active sessions",
-      sessionsEmptyHint: "Sessions appear as requests flow through the proxy",
-      tblSession: "Session",
-      tblAge: "Age",
-      tblIdle: "Idle",
-      tblReqs: "Reqs",
-      tblBoundTo: "Bound to",
-      topApiKeys: "Top API keys",
-      quotaMonitorsTitle: "Quota Monitors",
-      quotaMonitorsSubtitle: "Live quota state per account window",
-      openQuota: "Open Quota",
-      allQuotasHealthy: "All quotas healthy",
-      moreSuffix: "+{count} more",
-    };
+// Real next-intl's `useTranslations()` returns a REFERENTIALLY STABLE function across
+// re-renders. RuntimePageClient depends on that (`t` sits in a `useCallback`/`useEffect`
+// dependency array); building `messages`/the returned function fresh inside the arrow
+// below — as this mock used to — hands back a NEW closure on every call, so the effect
+// sees a "new" `t` every render and never stops re-firing (a hidden infinite render
+// loop that manifests as the whole test file hanging past any timeout instead of
+// failing fast). Build `messages` and `t` once, outside `useTranslations`, so every
+// call returns the same reference — mirrors the fix applied to the global mock in
+// tests/_setup/vitestUiPolyfills.ts.
+const runtimePageClientMessages: Record<string, string> = {
+  title: "Runtime",
+  description: "Realtime observability",
+  pause: "Pause",
+  resume: "Resume",
+  refreshNow: "Refresh now",
+  kpiSessions: "Sessions",
+  kpiCircuits: "Circuits",
+  kpiCooldowns: "Cooldowns",
+  kpiLockouts: "Lockouts",
+  hintStickyBound: "{count} sticky-bound",
+  hintRecovering: "{count} recovering",
+  hintAllHealthy: "all healthy",
+  hintOpen: "open",
+  hintConnsCooling: "connections cooling",
+  hintModelsBlocked: "models blocked",
+  resilienceTitle: "3-Layer Resilience",
+  resilienceSubtitle: "Mirrors the documented resilience model",
+  providersHealthy: "{percent}% providers healthy",
+  layer: "Layer {n}",
+  layer1Title: "Provider Circuit Breakers",
+  layer1Desc: "Stop traffic to providers failing at the upstream level",
+  layer2Title: "Connection Cooldowns",
+  layer2Desc: "Skip one bad account/key",
+  layer3Title: "Model Lockouts",
+  layer3Desc: "Per-model rate-limit locks",
+  badgeAffectedOf: "{affected} of {total} affected",
+  badgeCooling: "{count} cooling",
+  badgeLocked: "{count} locked",
+  emptyCircuits: "No circuit breakers active yet",
+  emptyCooldowns: "No connection cooldowns active",
+  emptyLockouts: "No model lockouts",
+  feedTitle: "Live Feed",
+  feedSubtitle: "Last {count} events",
+  feedFilterAll: "All",
+  feedFilterCircuits: "Circuits",
+  feedFilterCooldowns: "Cooldowns",
+  feedFilterLockouts: "Lockouts",
+  feedFilterSessions: "Sessions",
+  feedFilterQuotas: "Quotas",
+  feedClear: "Clear",
+  feedEmptyWaiting: "Waiting for events...",
+  feedEmptyFiltered: "No events match this filter",
+  sessionsTitle: "Active Sessions",
+  sessionsSubtitle: "Sticky-bound request fingerprints",
+  sessionsActive: "{count} active",
+  sessionsEmptyTitle: "No active sessions",
+  sessionsEmptyHint: "Sessions appear as requests flow through the proxy",
+  tblSession: "Session",
+  tblAge: "Age",
+  tblIdle: "Idle",
+  tblReqs: "Reqs",
+  tblBoundTo: "Bound to",
+  topApiKeys: "Top API keys",
+  quotaMonitorsTitle: "Quota Monitors",
+  quotaMonitorsSubtitle: "Live quota state per account window",
+  openQuota: "Open Quota",
+  allQuotasHealthy: "All quotas healthy",
+  moreSuffix: "+{count} more",
+};
 
-    return (key: string, values?: Record<string, unknown>) => {
-      let message = messages[key] ?? key;
-      if (values) {
-        for (const [name, value] of Object.entries(values)) {
-          message = message.replace(`{${name}}`, String(value));
-        }
-      }
-      return message;
-    };
-  },
+function runtimePageClientTranslate(key: string, values?: Record<string, unknown>): string {
+  let message = runtimePageClientMessages[key] ?? key;
+  if (values) {
+    for (const [name, value] of Object.entries(values)) {
+      message = message.replace(`{${name}}`, String(value));
+    }
+  }
+  return message;
+}
+
+vi.mock("next-intl", () => ({
+  useTranslations: () => runtimePageClientTranslate,
 }));
 
 describe("RuntimePageClient", () => {
diff --git a/tests/unit/ui/search-tools-compare-tab.test.tsx b/tests/unit/ui/search-tools-compare-tab.test.tsx
index 3cb92d0ffc..8d2d15a742 100644
--- a/tests/unit/ui/search-tools-compare-tab.test.tsx
+++ b/tests/unit/ui/search-tools-compare-tab.test.tsx
@@ -7,9 +7,11 @@ import type { SearchProviderCatalogItem } from "../../../src/shared/schemas/sear
 
 // ── Mocks ─────────────────────────────────────────────────────────────────────
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. CompareTab renders `{count}`/`{overlap}`
+// interpolated copy (search.maxCompareProviders, search.overlapSummary) that the
+// previous `(key) => key` mock rendered as the raw key, never matching this file's
+// literal-text assertions.
 
 vi.mock("next/link", () => ({
   default: ({ children, href, ...props }: { children: React.ReactNode; href: string }) =>
diff --git a/tests/unit/ui/search-tools-scrape-result.test.tsx b/tests/unit/ui/search-tools-scrape-result.test.tsx
index 120cbbb9fa..e38f550c2b 100644
--- a/tests/unit/ui/search-tools-scrape-result.test.tsx
+++ b/tests/unit/ui/search-tools-scrape-result.test.tsx
@@ -6,9 +6,11 @@ import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 // ── Mocks ─────────────────────────────────────────────────────────────────────
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. ScrapeResult's `aria-label={t("closeRawModal")}`
+// and the "256 KB" truncation copy need the real production strings — the previous
+// `(key) => key` mock rendered raw keys instead, so `[aria-label='Close raw content
+// modal']` never matched and the truncation-warning text check failed.
 
 // Lazy import of MarkdownMessage via ScrapeResult's dynamic import — mock it
 vi.mock(
diff --git a/tests/unit/ui/system-storage-manual-vacuum.test.tsx b/tests/unit/ui/system-storage-manual-vacuum.test.tsx
index 54509e8fd2..e1bcd47e3e 100644
--- a/tests/unit/ui/system-storage-manual-vacuum.test.tsx
+++ b/tests/unit/ui/system-storage-manual-vacuum.test.tsx
@@ -8,10 +8,10 @@ import { act } from "react";
 import { createRoot, type Root } from "react-dom/client";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
-vi.mock("next-intl", () => ({
-  useTranslations: () => (key: string) => key,
-  useLocale: () => "en",
-}));
+// next-intl: no local mock — falls through to the real-EN-text default mock in
+// tests/_setup/vitestUiPolyfills.ts. The button text is found by literal
+// `textContent.includes("Manual VACUUM")` below, which the previous `(key) => key`
+// mock never satisfied (it rendered the raw "manualVacuum" key).
 
 import SystemStorageTab from "@/app/(dashboard)/dashboard/settings/components/SystemStorageTab";