fix(cli): normalise les timestamps chat secondes/ms pour l'heure des messages — #221

frontend/src/features/agents/CustomAgentChatView.test.tsx

@@ -288,6 +288,66 @@ describe("CustomAgentChatView", () => {
     }
   });
 
+  it("replays scrollback with the current reception time instead of the reduce index", async () => {
+    const replayReceivedAtMs = new Date("2026-08-15T13:08:00.000Z").getTime();
+    const indexOneTime = expectedChatTime(1);
+    const nowSpy = vi.spyOn(Date, "now").mockReturnValue(replayReceivedAtMs);
+    const agent = {
+      launchAgentChat: vi.fn(),
+      reattachAgentChat: vi.fn(async (sessionId: string) => ({
+        sessionId,
+        scrollback: [
+          { kind: "userPrompt" as const, text: "Replay prompt" },
+          { kind: "textDelta" as const, text: "Replay answer" },
+          { kind: "final" as const, content: "Replay completed" },
+        ],
+      })),
+      sendAgentChat: vi.fn(async () => {}),
+      cancelAgentChat: vi.fn(async () => {}),
+      closeAgentChat: vi.fn(async () => {}),
+    };
+
+    try {
+      render(
+        <DIProvider
+          gateways={{
+            agent,
+            system: { pickFile: vi.fn(async () => null) },
+          } as unknown as Gateways}
+        >
+          <CustomAgentChatView
+            projectId="project-1"
+            agentId="agent-1"
+            agentName="Worker"
+            profile={profile}
+            cwd="/repo"
+            nodeId="node-1"
+            sessionId="chat-session-1"
+            conversationId="conversation-1"
+            onSessionId={vi.fn()}
+            onConversationId={vi.fn()}
+          />
+        </DIProvider>,
+      );
+
+      const agentBubble = (await screen.findByText("Replay answer")).closest("div");
+      const finalBubble = screen.getByText("Replay completed").closest("div");
+
+      expect(agentBubble).toBeTruthy();
+      expect(finalBubble).toBeTruthy();
+      expect(
+        within(agentBubble!).getByText(expectedChatTime(replayReceivedAtMs)),
+      ).toBeTruthy();
+      expect(
+        within(finalBubble!).getByText(expectedChatTime(replayReceivedAtMs)),
+      ).toBeTruthy();
+      expect(within(agentBubble!).queryByText(indexOneTime)).toBeNull();
+      expect(within(finalBubble!).queryByText(indexOneTime)).toBeNull();
+    } finally {
+      nowSpy.mockRestore();
+    }
+  });
+
   it("resizes the composer vertically with mouse, keyboard, and double-click reset", async () => {
     const rectSpy = vi
       .spyOn(HTMLElement.prototype, "getBoundingClientRect")