fix(dashboard): re-qualify no-think playground model ids correctly

src/app/(dashboard)/dashboard/media-providers/components/LlmChatCard.tsx

@@ -35,6 +35,10 @@ function resolvePlaygroundKeyId(
   return keys.find((k) => k.key === selectedMaskedKey)?.id ?? null;
 }
 
+// Mirrors NO_THINKING_PREFIX in open-sse/utils/noThinkingAlias.ts — kept as a local literal
+// (not imported) to avoid pulling server-side catalog modules into the client bundle.
+const NO_THINKING_PREFIX = "no-think/";
+
 /**
  * Qualify a provider-scoped playground model with its routing prefix so
  * OmniRoute can resolve it unambiguously. The previous heuristic only prefixed
@@ -52,6 +56,14 @@ export function qualifyPlaygroundModel(
 ): string {
   const m = (model ?? "").trim();
   if (!m || !routingPrefix) return m;
+  // A no-think id's real wire form is `no-think/<provider>/<model>` — the provider segment
+  // sits AFTER the prefix, not at the front, so it needs its own qualification branch instead
+  // of the generic leading-prefix check below.
+  if (m.startsWith(NO_THINKING_PREFIX)) {
+    const inner = m.slice(NO_THINKING_PREFIX.length);
+    const alreadyQualified = inner === routingPrefix || inner.startsWith(`${routingPrefix}/`);
+    return alreadyQualified ? m : `${NO_THINKING_PREFIX}${routingPrefix}/${inner}`;
+  }
   return m === routingPrefix || m.startsWith(`${routingPrefix}/`) ? m : `${routingPrefix}/${m}`;
 }
 

tests/unit/playground-model-qualify.test.ts

@@ -37,3 +37,37 @@ test("OpenCode Free playground uses its routing alias instead of the reserved pr
   assert.equal(getProviderAlias("opencode"), "oc");
   assert.equal(qualifyPlaygroundModel("big-pickle", getProviderAlias("opencode")), "oc/big-pickle");
 });
+
+test("qualifyPlaygroundModel inserts the provider after the no-think prefix, not before it", () => {
+  assert.equal(
+    qualifyPlaygroundModel("no-think/claude-sonnet-5", "vertex"),
+    "no-think/vertex/claude-sonnet-5"
+  );
+});
+
+test("qualifyPlaygroundModel does not double-qualify an already-qualified no-think id", () => {
+  assert.equal(
+    qualifyPlaygroundModel("no-think/vertex/claude-sonnet-5", "vertex"),
+    "no-think/vertex/claude-sonnet-5"
+  );
+});
+
+test("qualifyPlaygroundModel does not mistake a provider-name-prefix collision for already-qualified", () => {
+  // routingPrefix "vertex" must not match "vertex-eu/..." as already-qualified just because
+  // it starts with the same characters — the check requires an exact "vertex/" segment
+  // boundary. A naive `inner.startsWith(routingPrefix)` (no slash) would wrongly skip
+  // qualification here and leave the provider segment un-inserted.
+  assert.equal(
+    qualifyPlaygroundModel("no-think/vertex-eu/claude-sonnet-5", "vertex"),
+    "no-think/vertex/vertex-eu/claude-sonnet-5"
+  );
+});
+
+test("LlmChatCard's local NO_THINKING_PREFIX literal matches the canonical constant", async () => {
+  // Drift guard: LlmChatCard.tsx deliberately hardcodes "no-think/" as a literal instead
+  // of importing NO_THINKING_PREFIX from open-sse/utils/noThinkingAlias.ts (avoids pulling
+  // server-side catalog modules into the client bundle — see Step 1). This test file is not
+  // client-bundled, so it can safely import the real constant and assert they never drift.
+  const { NO_THINKING_PREFIX } = await import("../../open-sse/utils/noThinkingAlias.ts");
+  assert.equal(NO_THINKING_PREFIX, "no-think/");
+});