feat(swarm): define strict archetype and template contracts

src/lib/types-swarm.ts

@@ -0,0 +1,22 @@
+export interface AgentArchetype {
+    id: string;
+    name: string;
+    description: string;
+    systemPrompt: string;
+    capabilities: string[];
+    color: string;
+    createdAt: string;
+    updatedAt: string;
+    isBuiltIn: boolean;
+}
+
+export interface SwarmTemplate {
+    id: string;
+    name: string;
+    description: string;
+    team: { archetypeId: string; count: number }[];
+    protoFormula?: string;
+    createdAt: string;
+    updatedAt: string;
+    isBuiltIn: boolean;
+}