feat(boss): Chief of Staff Boss + spun-crow registry with cap (#42)

ui/src/api.ts

@@ -82,7 +82,7 @@ export type Persona = { name: string; epithet: string; strength: string; backsto
 export async function getCrows(): Promise<Map<string, Persona>> {
   const out = new Map<string, Persona>();
   try {
-    const res = await fetch("/api/crows");
+    const res = await fetch("/api/personas");
     if (res.ok) for (const p of await res.json()) out.set(String(p.name), { name: String(p.name), epithet: String(p.epithet), strength: String(p.strength), backstory: String(p.backstory) });
   } catch {
     // No personas: tiles show names only.