fix(unofficial-run): auto-switch model when URL loads run for unselected model

packages/app/src/components/GlobalFilterContext.tsx

@@ -172,6 +172,38 @@ export function GlobalFilterProvider({ children }: { children: ReactNode }) {
     });
   }, [availabilityRows, unofficialAvailable]);
 
+  // Auto-switch the selected model when an unofficial run is loaded that
+  // doesn't include the currently selected model. Without this, navigating
+  // to `?unofficialrun=<id>` while the default `g_model=DeepSeek-R1` sticks
+  // leaves the user staring at a chart with no overlay points — they'd have
+  // to know to open the dropdown and pick the run's model themselves.
+  //
+  // Skipped when `g_model` was set explicitly in the URL (respect the user's
+  // intent) and when the current model is already covered by the overlay.
+  //
+  // We key the "did we already switch?" check against the stringified set of
+  // (model, sequence) pairs from the unofficial run, so navigating from one
+  // run to another with a different model will re-trigger the switch — but
+  // a manual model change while the same run set is loaded will stick.
+  const lastAutoSwitchKeyRef = useRef<string>('');
+  useEffect(() => {
+    if (unofficialAvailable.length === 0) {
+      lastAutoSwitchKeyRef.current = '';
+      return;
+    }
+    const urlModel = getUrlParam('g_model');
+    if (urlModel) return;
+    const key = unofficialAvailable
+      .map((a) => `${a.model}|${a.sequence}`)
+      .toSorted()
+      .join(',');
+    if (lastAutoSwitchKeyRef.current === key) return;
+    lastAutoSwitchKeyRef.current = key;
+    const unofficialModels = new Set(unofficialAvailable.map((a) => a.model));
+    if (unofficialModels.has(selectedModel)) return;
+    setSelectedModel(unofficialAvailable[0].model);
+  }, [unofficialAvailable, selectedModel]);
+
   // Sequences available for the selected model (DB ∪ unofficial run for this model)
   const availableSequences = useMemo(() => {
     const unofficialSeqs = unofficialAvailable

packages/db/src/etl/normalizers.test.ts

@@ -73,6 +73,10 @@ describe('hwToGpuKey', () => {
     expect(hwToGpuKey('B200-DSV4')).toBe('b200');
   });
 
+  it('strips -cw suffix', () => {
+    expect(hwToGpuKey('gb300-cw')).toBe('gb300');
+  });
+
   it('strips runner index suffix before other suffixes', () => {
     expect(hwToGpuKey('mi355x-amd_0')).toBe('mi355x');
     expect(hwToGpuKey('mi355x-amd_2')).toBe('mi355x');

packages/db/src/etl/normalizers.ts

@@ -35,7 +35,8 @@ export function hwToGpuKey(hw: string): string | null {
     .replace(/-dgxc$/, '')
     .replace(/-nb$/, '')
     .replace(/-dsv4$/, '')
-    .replace(/-nv$/, '');
+    .replace(/-nv$/, '')
+    .replace(/-cw$/, '');
   return GPU_KEYS.has(base) ? base : null;
 }