2 files changed, 43 insertions, 2 deletions

diff --git a/packages/api/tests/agent-manager.test.ts b/packages/api/tests/agent-manager.test.ts
index 6b016db..4415bbb 100644
--- a/packages/api/tests/agent-manager.test.ts
+++ b/packages/api/tests/agent-manager.test.ts
@@ -340,15 +340,43 @@ describe("AgentManager", () => {
 		await manager.processMessage("tab-1", "test");
 
 		expect(events.length).toBeGreaterThan(0);
-		expect(events[0]).toMatchObject({ type: "status", status: "running" });
+		// A turn now opens with `turn-start`, immediately followed by the
+		// agent's `status: running`.
+		expect(events[0]).toMatchObject({ type: "turn-start" });
+		expect(events[1]).toMatchObject({ type: "status", status: "running" });
 
+		// A turn now closes with `turn-sealed` (emitted after the DB write, which
+		// is after the agent's final `status: idle`).
 		const lastEvent = events[events.length - 1];
-		expect(lastEvent).toMatchObject({ type: "status", status: "idle" });
+		expect(lastEvent).toMatchObject({ type: "turn-sealed" });
+		expect(events.some((e) => e.type === "status" && e.status === "idle")).toBe(true);
 
 		const doneEvent = events.find((e) => e.type === "done");
 		expect(doneEvent).toBeDefined();
 	});
 
+	it("emits a turn-start with a turnId before any content event", async () => {
+		const manager = new AgentManager();
+		const events: AgentEvent[] = [];
+		manager.onEvent((event) => {
+			events.push(event);
+		});
+
+		await manager.processMessage("tab-turnstart", "go");
+
+		const turnStartIdx = events.findIndex((e) => e.type === "turn-start");
+		expect(turnStartIdx).toBeGreaterThanOrEqual(0);
+		const turnStart = events[turnStartIdx] as Extract<AgentEvent, { type: "turn-start" }>;
+		expect(typeof turnStart.turnId).toBe("string");
+		expect(turnStart.turnId.length).toBeGreaterThan(0);
+
+		// Must precede the first content delta.
+		const firstContentIdx = events.findIndex(
+			(e) => e.type === "text-delta" || e.type === "reasoning-delta",
+		);
+		expect(firstContentIdx).toBeGreaterThan(turnStartIdx);
+	});
+
 	it("emits text-delta events during processMessage", async () => {
 		const manager = new AgentManager();
 		const events: AgentEvent[] = [];
diff --git a/packages/api/tests/routes.test.ts b/packages/api/tests/routes.test.ts
index f4de845..4b8dd40 100644
--- a/packages/api/tests/routes.test.ts
+++ b/packages/api/tests/routes.test.ts
@@ -335,6 +335,19 @@ describe("POST /chat", () => {
 	});
 });
 
+describe("GET /tabs/:id/chunks", () => {
+	it("returns the raw chunk window shape { chunks, total, oldestSeq }", async () => {
+		const res = await app.request("/tabs/tab-x/chunks?limit=50");
+		expect(res.status).toBe(200);
+		const body = await res.json();
+		// Mocked getChunksForTab returns [] → empty window, null cursor.
+		expect(Array.isArray(body.chunks)).toBe(true);
+		expect(body.chunks).toEqual([]);
+		expect(body.total).toBe(0);
+		expect(body.oldestSeq).toBeNull();
+	});
+});
+
 describe("POST /chat/stop", () => {
 	it("returns 200 with success: true for valid tabId", async () => {
 		const res = await app.request("/chat/stop", {