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

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

@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+import { messageBody } from "./workspaceAgentTimelineMessageHelpers";
+import type { WorkspaceAgentActivityTimelineItem } from "./workspaceAgentTimelineTypes";
+
+describe("messageBody", () => {
+  it.each([
+    ["payload content", { payload: { content: "\nHello\n" } }],
+    ["top-level content", { content: "\nHello\n" }],
+    ["payload text", { payload: { text: "\nHello\n" } }]
+  ])("preserves whitespace from %s", (_label, fields) => {
+    expect(messageBody(item(fields))).toBe("\nHello\n");
+  });
+
+  it("uses trimming only to reject whitespace-only content", () => {
+    expect(
+      messageBody(
+        item({
+          content: "fallback",
+          payload: { content: " \n\t", text: "unused" }
+        })
+      )
+    ).toBe("fallback");
+    expect(messageBody(item({ payload: { text: " \n\t" } }))).toBe("");
+  });
+
+  it("still suppresses synthetic control messages surrounded by whitespace", () => {
+    expect(
+      messageBody(
+        item({ payload: { content: "\n[Request interrupted by user]\n" } })
+      )
+    ).toBe("");
+  });
+});
+
+function item(
+  fields: Partial<WorkspaceAgentActivityTimelineItem>
+): WorkspaceAgentActivityTimelineItem {
+  return {
+    actorId: "agent",
+    actorType: "agent",
+    agentSessionId: "session-1",
+    eventId: "event-1",
+    id: 1,
+    itemType: "message",
+    ...fields
+  };
+}