fix(chat): hide raw permission metadata

src/lib/chatStream.test.ts

@@ -186,7 +186,7 @@ describe("streamAgentChat", () => {
     apiFetch.mockResolvedValue({
       ok: true,
       body: makeStream([
-        'event: permission_request\ndata: {"session_id":"s1","request_id":"perm-1","permission":"bash","patterns":["rm *"],"metadata":{"command":"rm tmp.txt"},"always":["rm *"],"created_at":123}\n\n',
+        'event: permission_request\ndata: {"session_id":"s1","request_id":"perm-1","permission":"bash","patterns":["rm *"],"target":"rm tmp.txt","always":["rm *"],"created_at":123}\n\n',
         'event: permission_response\ndata: {"session_id":"s1","request_id":"perm-1","reply":"reject"}\n\n',
       ]),
     });
@@ -205,7 +205,7 @@ describe("streamAgentChat", () => {
         requestId: "perm-1",
         permission: "bash",
         patterns: ["rm *"],
-        metadata: { command: "rm tmp.txt" },
+        target: "rm tmp.txt",
         always: ["rm *"],
         tool: undefined,
         createdAt: 123,

src/lib/chatStream.ts

@@ -98,7 +98,7 @@ export type StreamEvent =
       requestId: string;
       permission: string;
       patterns: string[];
-      metadata: Record<string, unknown>;
+      target?: string;
       always: string[];
       tool?: {
         messageID: string;
@@ -296,7 +296,7 @@ const emitParsedStreamEvent = (
       request_id?: string;
       permission?: string;
       patterns?: unknown;
-      metadata?: unknown;
+      target?: string;
       always?: unknown;
       created_at?: number;
       reply?: PermissionReply;
@@ -370,7 +370,7 @@ const emitParsedStreamEvent = (
         patterns: Array.isArray(parsed.patterns)
           ? parsed.patterns.filter((item): item is string => typeof item === "string")
           : [],
-        metadata: isObjectRecord(parsed.metadata) ? parsed.metadata : {},
+        target: typeof parsed.target === "string" ? parsed.target : undefined,
         always: Array.isArray(parsed.always)
           ? parsed.always.filter((item): item is string => typeof item === "string")
           : [],