diff --git a/scripts/build/pack-artifact-policy.ts b/scripts/build/pack-artifact-policy.ts
index a464cd516b..740bbe9a45 100644
--- a/scripts/build/pack-artifact-policy.ts
+++ b/scripts/build/pack-artifact-policy.ts
@@ -121,6 +121,9 @@ export const PACK_ARTIFACT_ROOT_ALLOWED_EXACT_PATHS: string[] = [
   // shipped via package.json "files", so it must be allowed in the tarball.
   "open-sse/utils/setupPolyfill.ts",
   "package.json",
+  "scripts/build/assembleStandalone.mjs",
+  "scripts/build/backendOnlyPages.mjs",
+  "scripts/build/build-tproxy-native.mjs",
   "scripts/build/build-next-isolated.mjs",
   "scripts/check/check-supported-node-runtime.ts",
   "scripts/build/native-binary-compat.mjs",
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index 0b169975fc..0891717f3a 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -10191,6 +10191,8 @@
     "copied": "Copiado!",
     "run": "Executar",
     "running": "Executando...",
+    "loading": "Carregando...",
+    "retry": "Tentar novamente",
     "response": "Resposta",
     "tunnel": "Tunnel",
     "send": "Enviar",
diff --git a/src/i18n/messages/vi.json b/src/i18n/messages/vi.json
index ab6703f848..3eb1f46e4c 100644
--- a/src/i18n/messages/vi.json
+++ b/src/i18n/messages/vi.json
@@ -10191,6 +10191,8 @@
     "copied": "Đã sao chép!",
     "run": "Chạy",
     "running": "Đang chạy...",
+    "loading": "Đang tải...",
+    "retry": "Thử lại",
     "response": "Phản hồi",
     "tunnel": "Đường hầm",
     "send": "Gửi",
diff --git a/src/lib/db/quotaPools.ts b/src/lib/db/quotaPools.ts
index f7a911d069..eba19be453 100644
--- a/src/lib/db/quotaPools.ts
+++ b/src/lib/db/quotaPools.ts
@@ -17,12 +17,6 @@ import { getDbInstance } from "./core";
 const quotaComboMaintenance = new Map<string, Promise<unknown>>();
 const deletingPools = new Set<string>();
 
-/** Reset module-level state for test isolation. Call in test.after() hooks. */
-export function resetQuotaPoolsModuleState(): void {
-  deletingPools.clear();
-  quotaComboMaintenance.clear();
-}
-
 function serializeQuotaComboMaintenance<T>(
   poolId: string,
   operation: () => Promise<T>
diff --git a/stryker.conf.json b/stryker.conf.json
index a49dd781cf..0b177926cd 100644
--- a/stryker.conf.json
+++ b/stryker.conf.json
@@ -64,6 +64,7 @@
       "tests/unit/anthropic-thinking-signature-recovery.test.ts",
       "tests/unit/antigravity-429-quota-tdd.test.ts",
       "tests/unit/antigravity-prefer-stored-project.test.ts",
+      "tests/unit/api-key-policy-noauth-allowed-connections.test.ts",
       "tests/unit/api-key-rotator-health.test.ts",
       "tests/unit/api-key-policy-noauth-allowed-connections.test.ts",
       "tests/unit/appearance-widget-settings-schema.test.ts",
@@ -214,6 +215,7 @@
       "tests/unit/executor-web-cookie-sweep.test.ts",
       "tests/unit/format-provider-error-cause.test.ts",
       "tests/unit/forwarded-header-budget.test.ts",
+      "tests/unit/gemini-web-capabilities-9356.test.ts",
       "tests/unit/gemini-web-missing-browser-3516.test.ts",
       "tests/unit/gemini-web-capabilities-9356.test.ts",
       "tests/unit/grok-cli-oauth.test.ts",
@@ -275,6 +277,7 @@
       "tests/unit/rate-limit-manager.test.ts",
       "tests/unit/rate-limit-queue-timeout-lockout.test.ts",
       "tests/unit/repro-7503-no-choices.test.ts",
+      "tests/unit/repro-9486.test.ts",
       "tests/unit/repro-9630-combo-false-503.test.ts",
       "tests/unit/repro-9486.test.ts",
       "tests/unit/repro-antigravity-404-family-cooldown-hijack.test.ts",
diff --git a/tests/unit/adobe-firefly.test.ts b/tests/unit/adobe-firefly.test.ts
index 0e8f75d277..549df4b95b 100644
--- a/tests/unit/adobe-firefly.test.ts
+++ b/tests/unit/adobe-firefly.test.ts
@@ -591,7 +591,7 @@ test("extractAdobeAccountIdFromToken reads user_id claim", () => {
 // --- Handlers (mocked fetch) ----------------------------------------------
 
 function jsonResponse(status: number, body: unknown, headerMap: Record<string, string> = {}) {
-  return new Response(JSON.stringify(body), { status, headers: headerMap });
+  return new Response(JSON.stringify(body) ?? null, { status, headers: headerMap });
 }
 
 test("handleAdobeFireflyImageGeneration returns 400 when prompt is missing", async () => {
diff --git a/tests/unit/claude-code-rendering-fixes.test.ts b/tests/unit/claude-code-rendering-fixes.test.ts
index 07e83b96e0..fe50f4e426 100644
--- a/tests/unit/claude-code-rendering-fixes.test.ts
+++ b/tests/unit/claude-code-rendering-fixes.test.ts
@@ -1,10 +1,25 @@
 import test from "node:test";
 import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-claude-rendering-"));
+const previousDataDir = process.env.DATA_DIR;
+process.env.DATA_DIR = TEST_DATA_DIR;
 
 const { openaiResponsesToOpenAIResponse } =
   await import("../../open-sse/translator/response/openai-responses.ts");
 const { FORMATS } = await import("../../open-sse/translator/formats.ts");
 const { createSSETransformStreamWithLogger } = await import("../../open-sse/utils/stream.ts");
+const { resetDbInstance } = await import("../../src/lib/db/core.ts");
+
+test.after(() => {
+  resetDbInstance();
+  if (previousDataDir === undefined) delete process.env.DATA_DIR;
+  else process.env.DATA_DIR = previousDataDir;
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+});
 
 test("Responses->Chat: output_item.done emits arguments when no delta chunks were sent", () => {
   const state = {
@@ -38,7 +53,7 @@ test("Responses->Chat: output_item.done emits arguments when no delta chunks wer
   assert.equal(state.toolCallIndex, 1);
 });
 
-test("Responses->Chat: output_item.done emits the arguments buffered from deltas exactly once", () => {
+test("Responses->Chat: buffered argument deltas emit once at output_item.done", () => {
   const state = {
     started: true,
     chatId: "chatcmpl-test",
@@ -46,9 +61,19 @@ test("Responses->Chat: output_item.done emits the arguments buffered from deltas
     toolCallIndex: 0,
     finishReasonSent: false,
     currentToolCallId: "call_abc",
-    currentToolCallArgsBuffer: '{"query":"search"}',
+    currentToolCallArgsBuffer: "",
   };
 
+  const deltaResult = openaiResponsesToOpenAIResponse(
+    {
+      type: "response.function_call_arguments.delta",
+      delta: '{"query":"search"}',
+    },
+    state
+  );
+
+  assert.equal(deltaResult, null);
+
   const chunk = {
     type: "response.output_item.done",
     item: {
diff --git a/tests/unit/pack-artifact-policy.test.ts b/tests/unit/pack-artifact-policy.test.ts
index 902504b237..8c52f5fe9e 100644
--- a/tests/unit/pack-artifact-policy.test.ts
+++ b/tests/unit/pack-artifact-policy.test.ts
@@ -97,6 +97,21 @@ test("package.json files[] excludes nested node_modules from the published packa
   );
 });
 
+test("build-next-isolated sibling imports are allowed in the published package", () => {
+  const buildDependencies = [
+    "scripts/build/assembleStandalone.mjs",
+    "scripts/build/backendOnlyPages.mjs",
+    "scripts/build/build-tproxy-native.mjs",
+  ];
+
+  const unexpectedPaths = findUnexpectedArtifactPaths(buildDependencies, {
+    exactPaths: PACK_ARTIFACT_ALLOWED_EXACT_PATHS,
+    prefixPaths: PACK_ARTIFACT_ALLOWED_PATH_PREFIXES,
+  });
+
+  assert.deepEqual(unexpectedPaths, []);
+});
+
 test("webdav-handler.mjs is allowed in staging dist/ (server-ws.mjs dependency, missed in 3.8.22 build)", () => {
   const unexpectedPaths = findUnexpectedArtifactPaths(["webdav-handler.mjs"], {
     exactPaths: APP_STAGING_ALLOWED_EXACT_PATHS,
diff --git a/tests/unit/telemetry-auto-cleanup-6848.test.ts b/tests/unit/telemetry-auto-cleanup-6848.test.ts
index 03e95f8d4f..2952304628 100644
--- a/tests/unit/telemetry-auto-cleanup-6848.test.ts
+++ b/tests/unit/telemetry-auto-cleanup-6848.test.ts
@@ -47,8 +47,8 @@ test.after(() => {
   fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
 });
 
-const DAY = 86_400; // seconds
-const DAY_MS = DAY * 1000;
+const DAY_SECONDS = 86_400;
+const DAY_MS = 86_400_000;
 
 /** Ensure compression_run_telemetry table exists (created lazily in production). */
 function ensureTelemetryTable(): void {
@@ -114,8 +114,8 @@ test("#6848 cleanupDomainCostHistory: deletes rows older than retention window",
 
 test("#6848 cleanupCompressionCacheStats: deletes rows older than retention window", async () => {
   const db = getDbInstance()!;
-  const oldDate = new Date(Date.now() - 40 * DAY * 1000).toISOString();
-  const recentDate = new Date(Date.now() - 5 * DAY * 1000).toISOString();
+  const oldDate = new Date(Date.now() - 40 * DAY_MS).toISOString();
+  const recentDate = new Date(Date.now() - 5 * DAY_MS).toISOString();
   const insert = db.prepare(
     "INSERT INTO compression_cache_stats (provider, compression_mode, created_at) VALUES (?, ?, ?)"
   );
@@ -137,8 +137,8 @@ test("#6848 cleanupCompressionCacheStats: deletes rows older than retention wind
 
 test("#6848 cleanupXpAuditLog: deletes rows older than retention window", async () => {
   const db = getDbInstance()!;
-  const oldDate = new Date(Date.now() - 40 * DAY * 1000).toISOString();
-  const recentDate = new Date(Date.now() - 5 * DAY * 1000).toISOString();
+  const oldDate = new Date(Date.now() - 40 * DAY_MS).toISOString();
+  const recentDate = new Date(Date.now() - 5 * DAY_MS).toISOString();
   const insert = db.prepare(
     "INSERT INTO xp_audit_log (api_key_id, action, xp_earned, created_at) VALUES (?, ?, ?, ?)"
   );
@@ -166,9 +166,9 @@ test("#6848 cleanupCompressionRunTelemetry: deletes rows older than retention wi
     "INSERT INTO compression_run_telemetry (timestamp, tokens_before, tokens_after) VALUES (?, ?, ?)"
   );
 
-  insert.run(nowSeconds - 40 * DAY, 1000, 500);
-  insert.run(nowSeconds - 40 * DAY, 2000, 800);
-  insert.run(nowSeconds - 5 * DAY, 1500, 600);
+  insert.run(nowSeconds - 40 * DAY_SECONDS, 1000, 500);
+  insert.run(nowSeconds - 40 * DAY_SECONDS, 2000, 800);
+  insert.run(nowSeconds - 5 * DAY_SECONDS, 1500, 600);
 
   const result = await cleanupCompressionRunTelemetry();
 
@@ -184,14 +184,14 @@ test("#6848 cleanupCompressionRunTelemetry: deletes rows older than retention wi
 test("#6848 no rows deleted when all data is within retention window (calls all 4 real functions)", async () => {
   ensureTelemetryTable();
   const db = getDbInstance()!;
-  const now = Date.now();
-  const nowSeconds = Math.floor(now / 1000);
+  const nowSeconds = Math.floor(Date.now() / 1000);
+  const nowMilliseconds = Date.now();
   const recentISO = new Date().toISOString();
 
   db.prepare("INSERT INTO domain_cost_history (api_key_id, cost, timestamp) VALUES (?, ?, ?)").run(
     "k",
     1,
-    now - DAY_MS
+    nowMilliseconds - DAY_MS
   );
   db.prepare(
     "INSERT INTO compression_cache_stats (provider, compression_mode, created_at) VALUES (?, ?, ?)"
@@ -201,7 +201,7 @@ test("#6848 no rows deleted when all data is within retention window (calls all
   ).run("k", "a", 5, recentISO);
   db.prepare(
     "INSERT INTO compression_run_telemetry (timestamp, tokens_before, tokens_after) VALUES (?, ?, ?)"
-  ).run(nowSeconds - DAY, 100, 50);
+  ).run(nowSeconds - DAY_SECONDS, 100, 50);
 
   const r1 = await cleanupDomainCostHistory();
   const r2 = await cleanupCompressionCacheStats();
diff --git a/tests/unit/triage-bugs-2026-08-02.test.ts b/tests/unit/triage-bugs-2026-08-02.test.ts
index 20fb823786..0c329c24d8 100644
--- a/tests/unit/triage-bugs-2026-08-02.test.ts
+++ b/tests/unit/triage-bugs-2026-08-02.test.ts
@@ -1,6 +1,7 @@
 import test from "node:test";
 import assert from "node:assert/strict";
 import { openaiResponsesToOpenAIRequest } from "../../open-sse/translator/request/openai-responses.ts";
+import { detectSupportedThinkingEfforts } from "../../src/lib/providerModels/modelDiscovery.ts";
 
 function asRecord(value: unknown): Record<string, unknown> {
   return value as Record<string, unknown>;
@@ -76,3 +77,22 @@ test("#9140 VS Code listing must accept built-in auto routing entries", () => {
     "operator-created combo should still be rejected"
   );
 });
+// ── #9160 model discovery: capabilities.effort_tiers ────────────────────────
+
+test("#9160 model discovery must ingest capabilities.effort_tiers", () => {
+  assert.deepEqual(
+    detectSupportedThinkingEfforts({
+      capabilities: { effort_tiers: ["low", "medium", "high", "xhigh"] },
+    }),
+    ["low", "medium", "high", "xhigh"]
+  );
+});
+
+test("#9160 capabilities.effort_tiers with duplicate and synonym", () => {
+  assert.deepEqual(
+    detectSupportedThinkingEfforts({
+      capabilities: { effort_tiers: ["low", "low", "max"] },
+    }),
+    ["low", "xhigh"]
+  );
+});