feat: fetch and auto-register personas from server pricing items

src/store/usePersonaStore.ts

@@ -134,6 +134,53 @@ export const personaStore = createStore<PersonaStore>((set, get) => ({
     } else {
       set({ personas: [...DEFAULT_PERSONAS], isHydrated: true });
     }
+
+    // Fetch pricing items from server DB and auto-register personas for items with a modelPath
+    if (typeof window !== 'undefined') {
+      fetch('/api/admin/pricing/')
+        .then((r) => r.json())
+        .then((data) => {
+          const serverItems: { id: string; label: string; modelPath: string | null }[] = data.items ?? [];
+          const current = get().personas;
+          const currentIds = new Set(current.map((p) => p.id));
+          const newPersonas: PersonaOption[] = [];
+
+          serverItems.forEach(({ id, label, modelPath }) => {
+            if (!modelPath || id === 'base') return;
+            if (currentIds.has(id)) {
+              // Update modelPath if it changed
+              const existing = current.find((p) => p.id === id);
+              if (existing && existing.modelPath !== modelPath) {
+                set((state) => ({
+                  personas: state.personas.map((p) =>
+                    p.id === id ? { ...p, modelPath } : p
+                  ),
+                }));
+              }
+            } else {
+              newPersonas.push({
+                id,
+                label,
+                description: label,
+                colors: { torso: '#3b82f6', legs: '#3b82f6' },
+                modelPath,
+              });
+            }
+          });
+
+          if (newPersonas.length > 0) {
+            set((state) => {
+              const updated = [...state.personas, ...newPersonas];
+              saveToStorage(updated);
+              return { personas: updated };
+            });
+          } else {
+            // Save current state to localStorage so it persists
+            saveToStorage(get().personas);
+          }
+        })
+        .catch(() => {}); // silent — use local data as fallback
+    }
   },
 }));