refactor: consolidate requests and finalize agent tool states

Share project JSON transport, interaction replies and report selectors.
Settle tool progress consistently for direct streams, reconnects and history, preserving failure reasons and stopped state.

src/features/agent/session-state.test.ts

@@ -73,6 +73,8 @@ describe("agent session state", () => {
       requestId: "permission-1",
       status: "approved_once"
     });
+    expect(applyPermissionResponse(permissions, { request_id: "permission-1", status: "error", error: "native unavailable" })?.[0])
+      .toMatchObject({ status: "error", error: "native unavailable" });
   });
 
   it("dedupes question requests by tool call id", () => {
@@ -152,7 +154,7 @@ describe("agent session state", () => {
     const next = finalizeAssistantMessageAfterAbort(message);
 
     expect(next.content).toBe("请求已中止。");
-    expect(next.progress?.[0].status).toBe("completed");
+    expect(next.progress?.[0].status).toBe("cancelled");
     expect(next.permissions?.[0].status).toBe("aborted");
   });
 });