fix(web): 会话进度行时长从本轮开始算到结论正文,不再显示 0 秒(FIX-9)

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/web/app/components/agent/agui3.test.ts

@@ -19,7 +19,13 @@ import {
 import { OptionsCard, optionPoint, orderOptions } from "./agent-interaction.tsx";
 import { goalFromInput, RunStatsLine } from "./agent-run-panel.tsx";
 import { arrangeHistory } from "./agent-session-list.tsx";
-import { type ActivityItem, activitySummary, buildConversation, deniedReason } from "./conversation-model.ts";
+import {
+  type ActivityItem,
+  activitySpan,
+  activitySummary,
+  buildConversation,
+  deniedReason,
+} from "./conversation-model.ts";
 import { parseCommand, RUN_COMMANDS } from "./slash-commands.ts";
 import {
   type AgentStreamState,
@@ -539,3 +545,29 @@ describe("实际结果行(FIX-9):只列系统核实的事实", () => {
     expect(resultFacts(null)).toEqual([{ text: "汇总中…" }]);
   });
 });
+
+describe("进度行时长(FIX-9):从这一轮开始算到结论正文", () => {
+  const quick: ActivityItem[] = [
+    { kind: "tool", key: "c1", call: call({ capabilityId: "site.list", startedAt: at(6), endedAt: at(6) }) },
+  ];
+  it("只有一个瞬时工具调用时不再是 0 秒", () => {
+    expect(activitySpan(quick)).toBe(0);
+    expect(activitySpan(quick, { since: at(0), until: at(7) })).toBe(7000);
+    const t = text(render(createElement(StepSummary, { activity: quick, running: false, since: at(0), until: at(7) })));
+    expect(t).toContain("· 7 秒");
+  });
+  it("没有工具调用、只有思考时也有时长;没有步骤为 null", () => {
+    expect(activitySpan([{ kind: "thinking", key: "k", text: "想", at: at(2) }], { since: at(0) })).toBe(2000);
+    expect(activitySpan([])).toBeNull();
+  });
+  it("整段会话:第一轮从会话开始算", () => {
+    const events = [
+      ev(0, { type: "run_started", goal: "g", resumed: false }),
+      ...tool(5, "t1", "site.list", '{"items":[]}'),
+      ev(7, { type: "text_delta", delta: "都正常。" }),
+      ev(8, { type: "run_completed", finalText: "", usage: {} }),
+    ];
+    const t = text(render(createElement(AgentConversation, { run: RUN, live: liveOf(events) })));
+    expect(t).toMatch(/· 7 秒/);
+  });
+});