fix(api): align frontend with REST contracts

src/lib/chatStream.test.ts

@@ -41,20 +41,34 @@ const makeStream = (chunks: string[]) =>
     },
   });
 
+const mockNewSessionStream = (response: unknown) => {
+  apiFetch
+    .mockResolvedValueOnce({
+      ok: true,
+      json: async () => ({ session_id: "s1" }),
+    })
+    .mockResolvedValueOnce(response);
+};
+
 describe("streamAgentChat", () => {
   beforeEach(() => {
     apiFetch.mockReset();
   });
 
   it("parses token and done events from chunked SSE", async () => {
-    apiFetch.mockResolvedValue({
-      ok: true,
-      body: makeStream([
-        'event: token\ndata: {"session_id":"s1","content":"he"}\n\n',
-        'event: token\ndata: {"session_id":"s1","content":"llo"}\n\n',
-        'event: done\ndata: {"session_id":"s1"}\n\n',
-      ]),
-    });
+    apiFetch
+      .mockResolvedValueOnce({
+        ok: true,
+        json: async () => ({ session_id: "s1" }),
+      })
+      .mockResolvedValueOnce({
+        ok: true,
+        body: makeStream([
+          'event: token\ndata: {"session_id":"s1","content":"he"}\n\n',
+          'event: token\ndata: {"session_id":"s1","content":"llo"}\n\n',
+          'event: done\ndata: {"session_id":"s1"}\n\n',
+        ]),
+      });
 
     const events: Array<{ type: string; content?: string; sessionId?: string }> = [];
 
@@ -65,14 +79,13 @@ describe("streamAgentChat", () => {
     });
 
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/stream"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/runs"),
       expect.objectContaining({
         method: "POST",
         projectHeaderMode: "include",
         skipAuthRedirect: true,
         body: JSON.stringify({
           message: "hi",
-          session_id: undefined,
           model: "provider/model",
           approval_mode: undefined,
         }),
@@ -111,7 +124,7 @@ describe("streamAgentChat", () => {
     });
 
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/session/s1/stream"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/runs/current/events"),
       expect.objectContaining({
         method: "GET",
         projectHeaderMode: "include",
@@ -132,7 +145,7 @@ describe("streamAgentChat", () => {
   });
 
   it("parses progress events", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: true,
       body: makeStream([
         'event: progress\ndata: {"session_id":"s1","id":"p1","phase":"tool","status":"running","title":"正在调用后端数据查询","detail":"GET /api/v1/demo"}\n\n',
@@ -159,7 +172,7 @@ describe("streamAgentChat", () => {
   });
 
   it("parses tool_call arguments when params is empty", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: true,
       body: makeStream([
         'event: tool_call\ndata: {"session_id":"agent-1e75dd01-29e","tool":"locate_features","params":{},"arguments":"{\\"ids\\":[\\"142902\\"],\\"feature_type\\":\\"junction\\"}"}\n\n',
@@ -183,7 +196,7 @@ describe("streamAgentChat", () => {
   });
 
   it("parses permission request and response events", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: true,
       body: makeStream([
         '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',
@@ -220,7 +233,7 @@ describe("streamAgentChat", () => {
   });
 
   it("parses question request, response, and todo update events", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: true,
       body: makeStream([
         'event: question_request\ndata: {"session_id":"s1","request_id":"q-1","questions":[{"header":"范围","question":"选择范围","options":[{"label":"城区","description":"中心城区"}],"multiple":false,"custom":true}],"tool":{"message_id":"m1","call_id":"c1"},"created_at":123}\n\n',
@@ -283,7 +296,7 @@ describe("streamAgentChat", () => {
   });
 
   it("emits error when response is not ok", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: false,
       body: null,
       text: async () => "bad request",
@@ -301,7 +314,7 @@ describe("streamAgentChat", () => {
   });
 
   it("emits re-login message on unauthorized response", async () => {
-    apiFetch.mockResolvedValue({
+    mockNewSessionStream({
       ok: false,
       status: 401,
       body: null,
@@ -343,14 +356,11 @@ describe("streamAgentChat", () => {
     await abortAgentChat("s1");
 
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/abort"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/runs/current"),
       expect.objectContaining({
-        method: "POST",
+        method: "DELETE",
         projectHeaderMode: "include",
         skipAuthRedirect: true,
-        body: JSON.stringify({
-          session_id: "s1",
-        }),
       }),
     );
   });
@@ -365,13 +375,13 @@ describe("streamAgentChat", () => {
     await replyAgentPermission("s1", "perm-1", "once");
 
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/permission/perm-1/reply"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/permission-responses"),
       expect.objectContaining({
         method: "POST",
         projectHeaderMode: "include",
         skipAuthRedirect: true,
         body: JSON.stringify({
-          session_id: "s1",
+          request_id: "perm-1",
           reply: "once",
         }),
       }),
@@ -389,25 +399,27 @@ describe("streamAgentChat", () => {
     await rejectAgentQuestion("s1", "q-2");
 
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/question/q-1/reply"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/question-responses"),
       expect.objectContaining({
         method: "POST",
         projectHeaderMode: "include",
         skipAuthRedirect: true,
         body: JSON.stringify({
-          session_id: "s1",
+          request_id: "q-1",
+          action: "reply",
           answers: [["城区"]],
         }),
       }),
     );
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/question/q-2/reject"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/question-responses"),
       expect.objectContaining({
         method: "POST",
         projectHeaderMode: "include",
         skipAuthRedirect: true,
         body: JSON.stringify({
-          session_id: "s1",
+          request_id: "q-2",
+          action: "reject",
         }),
       }),
     );
@@ -425,11 +437,10 @@ describe("streamAgentChat", () => {
 
     expect(sessionId).toBe("forked-s1");
     expect(apiFetch).toHaveBeenCalledWith(
-      expect.stringContaining("/api/v1/agent/chat/fork"),
+      expect.stringContaining("/api/v1/agent/sessions/s1/forks"),
       expect.objectContaining({
         method: "POST",
         body: JSON.stringify({
-          session_id: "s1",
           keep_message_count: 3,
         }),
       }),