feat: add A2A agent integration control plane

packages/contracts/src/schemas/index.ts

@@ -499,6 +499,7 @@ export const QueryAgentMemoryResponseSchema = z.object({
 // ─────────────────────────────────────────────
 export const NegotiateBountyRequestSchema = z.object({
   task_id: UUIDSchema,
+  agent_id: z.string().min(1, "必須提供 agent_id 進行白名單驗證"),
   requested_amount: MoneyAmountSchema,
   reasoning: z.string().min(10, "Reasoning is required for negotiation"),
 });

packages/mcp-server/src/index.ts

@@ -117,7 +117,7 @@ server.setRequestHandler(ListToolsRequestSchema, async () => {
       },
       {
         name: MCPToolName.NEGOTIATE_BOUNTY,
-        description: "[A2A Economy] Negotiate a higher bounty payout for an open task. Requests within a 10% margin are automatically approved by the platform.",
+        description: "[A2A Economy] Request a higher bounty payout for an open task. Production defaults to human review; tightly capped auto-approval requires platform configuration.",
         inputSchema: toJsonSchema(NegotiateBountyRequestSchema),
       },
       {