From 2ed487583bfba66848efc59b51dc8d23e8d93d16 Mon Sep 17 00:00:00 2001
From: Diego Rodrigues de Sa e Souza <diegosouza.pw@gmail.com>
Date: Sat, 8 Aug 2026 12:03:24 -0300
Subject: [PATCH] fix(model-discovery): ingest capabilities.effort_tiers for
 synced models (#9160)

Refs: base-red #9737
---
 changelog.d/fixes/9160-fix.plan.md        |  1 +
 src/lib/providerModels/modelDiscovery.ts  | 13 ++++++-
 tests/unit/triage-bugs-2026-08-02.test.ts | 45 +++++++++++++++++++++++
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/fixes/9160-fix.plan.md

diff --git a/changelog.d/fixes/9160-fix.plan.md b/changelog.d/fixes/9160-fix.plan.md
new file mode 100644
index 0000000000..d6ad2b567c
--- /dev/null
+++ b/changelog.d/fixes/9160-fix.plan.md
@@ -0,0 +1 @@
+- fix(model-discovery): ingest capabilities.effort_tiers for synced models (#9160)
diff --git a/src/lib/providerModels/modelDiscovery.ts b/src/lib/providerModels/modelDiscovery.ts
index 60c12c9bd4..b11cd66785 100644
--- a/src/lib/providerModels/modelDiscovery.ts
+++ b/src/lib/providerModels/modelDiscovery.ts
@@ -112,7 +112,8 @@ function parseEffortList(rawList: unknown): string[] | undefined {
         .map((entry) => {
           const entryParsed = effortEntrySchema.safeParse(entry);
           if (!entryParsed.success) return null;
-          const raw = typeof entryParsed.data === "string" ? entryParsed.data : entryParsed.data.effort;
+          const raw =
+            typeof entryParsed.data === "string" ? entryParsed.data : entryParsed.data.effort;
           return raw.length > 0 ? normalizeSupportedEffort(raw) : null;
         })
         .filter((effort): effort is string => effort !== null)
@@ -144,6 +145,16 @@ export function detectSupportedThinkingEfforts(record: JsonRecord): string[] | u
     }
   }
 
+  // #9160: fall back to `capabilities.effort_tiers` before the legacy fields.
+  // OmniRoute's own catalog surfaces effort tiers inside `capabilities.effort_tiers`,
+  // which the existing `parseEffortList` already handles (string arrays).
+  const capabilitiesRecord = asRecord(record.capabilities);
+  const capabilitiesParsed = effortListSchema.safeParse(capabilitiesRecord.effort_tiers);
+  if (capabilitiesParsed.success) {
+    const fromCapabilities = parseEffortList(capabilitiesRecord.effort_tiers);
+    if (fromCapabilities) return fromCapabilities;
+  }
+
   // #8347: fall back to `supported_reasoning_levels`, then `thinking.levels` — in that
   // order, per the regression guard for #7694 (the flat field and `reasoning.supported_efforts`
   // both take precedence over these two and are handled above / by the caller).
diff --git a/tests/unit/triage-bugs-2026-08-02.test.ts b/tests/unit/triage-bugs-2026-08-02.test.ts
index 88a7cbb300..32b2879e78 100644
--- a/tests/unit/triage-bugs-2026-08-02.test.ts
+++ b/tests/unit/triage-bugs-2026-08-02.test.ts
@@ -42,6 +42,26 @@ test("non-GPT-5.6 models still get max downgraded to xhigh", () => {
     )
   );
   assert.equal(translated.reasoning_effort, "xhigh");
+<<<<<<< HEAD
+});
+
+// ─────────────────────────────────────────────────────────────────────
+// PR #9142 — Anthropic top-level `system` prompts must trigger background detection
+// ─────────────────────────────────────────────────────────────────────
+const { getBackgroundTaskReason, setBackgroundDegradationConfig } =
+  await import("../../open-sse/services/backgroundTaskDetector.ts");
+
+test("#9142 Anthropic top-level system prompts must trigger background detection", () => {
+  setBackgroundDegradationConfig({ enabled: true });
+  assert.equal(
+    getBackgroundTaskReason({
+      system: "Generate a title for this conversation",
+      messages: [{ role: "user", content: "hello" }],
+    }),
+    "system_prompt_pattern"
+  );
+});
+=======
 
 // #9140 — VS Code routes filter out built-in auto models
 const { isUsableChatModel } = await import(
@@ -59,3 +79,28 @@ test("#9140 VS Code listing must accept built-in auto routing entries", () => {
     false,
     "operator-created combo should still be rejected"
   );
+>>>>>>> origin/release/v3.8.50
+
+
+});
+
+// ── #9160 model discovery: capabilities.effort_tiers ────────────────────────
+
+// #9160: model discovery must ingest 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"]
+  );
+