fix: use live copilot model availability

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/renderer/App.tsx

@@ -14,13 +14,20 @@ import {
 import { applySessionEventWorkspace } from '@renderer/lib/sessionWorkspace';
 import { WelcomePane } from '@renderer/components/WelcomePane';
 import { getElectronApi } from '@renderer/lib/electronApi';
+import type { SidecarCapabilities } from '@shared/contracts/sidecar';
+import {
+  buildAvailableModelCatalog,
+  findModel,
+  normalizePatternModels,
+  resolveReasoningEffort,
+} from '@shared/domain/models';
 import type { PatternDefinition } from '@shared/domain/pattern';
 import { isScratchpadProject } from '@shared/domain/project';
 import { applyScratchpadSessionConfig } from '@shared/domain/session';
 import type { WorkspaceState } from '@shared/domain/workspace';
 import { createId, nowIso } from '@shared/utils/ids';
 
-function createDraftPattern(): PatternDefinition {
+function createDraftPattern(defaultModelId: string, defaultReasoningEffort: PatternDefinition['agents'][0]['reasoningEffort']): PatternDefinition {
   const timestamp = nowIso();
   return {
     id: createId('custom-pattern'),
@@ -35,8 +42,8 @@ function createDraftPattern(): PatternDefinition {
         name: 'Primary Agent',
         description: 'General-purpose assistant.',
         instructions: 'You are a helpful coding assistant working inside the selected project.',
-        model: 'gpt-5.4',
-        reasoningEffort: 'high',
+        model: defaultModelId,
+        reasoningEffort: defaultReasoningEffort,
       },
     ],
     createdAt: timestamp,
@@ -48,6 +55,7 @@ export default function App() {
   const api = getElectronApi();
   const [workspace, setWorkspace] = useState<WorkspaceState>();
   const [error, setError] = useState<string>();
+  const [sidecarCapabilities, setSidecarCapabilities] = useState<SidecarCapabilities>();
   const [sessionActivities, setSessionActivities] = useState<SessionActivityMap>({});
 
   const [showSettings, setShowSettings] = useState(false);
@@ -61,6 +69,14 @@ export default function App() {
       .loadWorkspace()
       .then((ws) => !disposed && setWorkspace(ws))
       .catch((e) => !disposed && setError(e instanceof Error ? e.message : String(e)));
+    void api
+      .describeSidecarCapabilities()
+      .then((capabilities) => !disposed && setSidecarCapabilities(capabilities))
+      .catch((e) => {
+        if (!disposed) {
+          console.warn('Failed to load sidecar capabilities', e);
+        }
+      });
 
     const offWorkspace = api.onWorkspaceUpdated((ws) => {
       setWorkspace(ws);
@@ -97,6 +113,10 @@ export default function App() {
         : undefined,
     [selectedSession, workspace?.projects],
   );
+  const availableModels = useMemo(
+    () => buildAvailableModelCatalog(sidecarCapabilities?.models),
+    [sidecarCapabilities?.models],
+  );
   const patternForSession = useMemo(() => {
     if (!selectedSession) {
       return undefined;
@@ -107,10 +127,13 @@ export default function App() {
       return undefined;
     }
 
-    return projectForSession && isScratchpadProject(projectForSession)
-      ? applyScratchpadSessionConfig(basePattern, selectedSession)
-      : basePattern;
-  }, [projectForSession, selectedSession, workspace?.patterns]);
+    const patternWithSessionConfig =
+      projectForSession && isScratchpadProject(projectForSession)
+        ? applyScratchpadSessionConfig(basePattern, selectedSession)
+        : basePattern;
+
+    return normalizePatternModels(patternWithSessionConfig, availableModels);
+  }, [availableModels, projectForSession, selectedSession, workspace?.patterns]);
   const activityForSession = useMemo(
     () => (selectedSession ? sessionActivities[selectedSession.id] : undefined),
     [selectedSession, sessionActivities],
@@ -152,6 +175,7 @@ export default function App() {
               reasoningEffort: config.reasoningEffort,
             })
           }
+          availableModels={availableModels}
           pattern={patternForSession}
           project={projectForSession}
           session={selectedSession}
@@ -177,12 +201,20 @@ export default function App() {
 
   // Settings overlay
   const overlay = showSettings ? (
-    <SettingsPanel
-      onClose={() => setShowSettings(false)}
+      <SettingsPanel
+        availableModels={availableModels}
+        onClose={() => setShowSettings(false)}
       onDeletePattern={async (id) => {
         await api.deletePattern(id);
       }}
-      onNewPattern={createDraftPattern}
+      onNewPattern={() => {
+        const defaultModel = availableModels[0] ?? findModel('gpt-5.4', availableModels) ?? findModel('gpt-5.4');
+
+        return createDraftPattern(
+          defaultModel?.id ?? 'gpt-5.4',
+          resolveReasoningEffort(defaultModel, 'high'),
+        );
+      }}
       onSavePattern={async (pattern) => {
         await api.savePattern({ pattern });
       }}