源码快照 @ 2026-09-01 (source-only, 剔除非源码素材)

packages/agent/gui/shared/workspaceAgentSessionSortTime.spec.ts

@@ -0,0 +1,31 @@
+import { describe, expect, it } from "vitest";
+import { resolveWorkspaceAgentSessionSortTimeUnixMs } from "./workspaceAgentSessionSortTime";
+
+describe("resolveWorkspaceAgentSessionSortTimeUnixMs", () => {
+  it("uses the canonical latest turn start", () => {
+    const sortTime = resolveWorkspaceAgentSessionSortTimeUnixMs({
+      createdAtUnixMs: 100,
+      latestTurn: { startedAtUnixMs: 250 }
+    });
+
+    expect(sortTime).toBe(250);
+  });
+
+  it("falls back to session creation time when there is no user message", () => {
+    const session = {
+      agentSessionId: "session-1",
+      createdAtUnixMs: 400,
+      endedAtUnixMs: 9_000,
+      latestTurn: null,
+      startedAtUnixMs: 500,
+      updatedAtUnixMs: 8_000
+    };
+
+    expect(resolveWorkspaceAgentSessionSortTimeUnixMs(session)).toBe(400);
+  });
+
+  it("falls back to session creation time before messages are loaded", () => {
+    const session = { createdAtUnixMs: 600, updatedAtUnixMs: 9_000 };
+    expect(resolveWorkspaceAgentSessionSortTimeUnixMs(session)).toBe(600);
+  });
+});