From bbd7459935effda078e7ab10189e2a21f9683dc6 Mon Sep 17 00:00:00 2001
From: root <root@localhost>
Date: Tue, 6 Oct 2026 18:08:19 +0800
Subject: [PATCH] =?UTF-8?q?fix(agent):=20=E6=8A=BD=E5=B1=89=E5=BC=80?=
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浏览器前进后退或会话里的链接换了页面,抽屉里新对话仍挂着上一页的对象。
按路由推断的上下文随页面更新;页面按钮带进来的上下文、正在看的会话不动。

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei
---
 .../web/app/components/agent/agent-drawer.tsx |  2 +
 .../app/components/agent/agent-nav.test.ts    | 44 ++++++++++++++++++-
 apps/web/app/components/agent/agent-store.ts  | 12 +++++
 3 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/apps/web/app/components/agent/agent-drawer.tsx b/apps/web/app/components/agent/agent-drawer.tsx
index ea124aac..6dee2a57 100644
--- a/apps/web/app/components/agent/agent-drawer.tsx
+++ b/apps/web/app/components/agent/agent-drawer.tsx
@@ -28,6 +28,7 @@ import {
   setAgentDrawerOpen,
   shortGoalTitle,
   showAgentRunInDrawer,
+  syncAgentContextToPath,
   takeReturnFocus,
   toggleAgentDrawer,
   useAgentDrawer,
@@ -104,6 +105,7 @@ export function AgentDrawer() {
   const content = useRef<HTMLDivElement>(null);
   // 记下最近的非智能体页面:会话页「在侧边打开」回到这里
   useEffect(() => noteAgentReturnPath(pathname, search), [pathname, search]);
+  useEffect(() => syncAgentContextToPath(pathname), [pathname]);
   const name = useContextName(context);
   const mock = agentMockEnabled();
   // 目标前缀带名称和 ID:名称给人看,ID 给模型用
diff --git a/apps/web/app/components/agent/agent-nav.test.ts b/apps/web/app/components/agent/agent-nav.test.ts
index 3cdc6db0..11e862fd 100644
--- a/apps/web/app/components/agent/agent-nav.test.ts
+++ b/apps/web/app/components/agent/agent-nav.test.ts
@@ -17,7 +17,19 @@ import {
   writeDraft,
 } from "./agent-nav.ts";
 import { CompactPager } from "./agent-session-list.tsx";
-import { agentReturnPath, isAgentPage, noteAgentReturnPath, outletKey, toggleAction } from "./agent-store.ts";
+import {
+  agentReturnPath,
+  clearAgentContext,
+  isAgentPage,
+  noteAgentReturnPath,
+  openAgentDrawer,
+  outletKey,
+  setAgentDrawerOpen,
+  showAgentRunInDrawer,
+  syncAgentContextToPath,
+  toggleAction,
+  useAgentDrawer,
+} from "./agent-store.ts";
 import { cachedRunEvents, cacheRunEvents } from "./use-agent-stream.ts";
 
 // 智能体页面切换的状态逻辑:整页重挂载 key、分栏与 URL、草稿、滚动策略、快捷键在智能体页面的行为。
@@ -176,3 +188,33 @@ describe("会话页「在侧边打开」回到之前的页面", () => {
     expect(agentReturnPath()).toBe("/console/sites");
   });
 });
+
+describe("抽屉开着时路由变化", () => {
+  // useAgentDrawer 是 useSyncExternalStore,测试里直接读快照
+  const snapshot = () => {
+    let out: ReturnType<typeof useAgentDrawer> | null = null;
+    const Probe = () => {
+      out = useAgentDrawer();
+      return null;
+    };
+    renderToStaticMarkup(createElement(Probe));
+    return out as unknown as ReturnType<typeof useAgentDrawer>;
+  };
+  it("新对话的路由上下文跟着页面换", () => {
+    openAgentDrawer({ label: "作品 aaaa", entityId: "aaaa", fromPath: true });
+    syncAgentContextToPath("/console/sites/hdh");
+    expect(snapshot().context).toMatchObject({ siteId: "hdh", fromPath: true });
+    syncAgentContextToPath("/console/home");
+    expect(snapshot().context).toBeNull();
+  });
+  it("页面按钮带的上下文、正在看的会话、抽屉关着时不动", () => {
+    openAgentDrawer({ label: "作品：沙丘", entityId: "e1" });
+    syncAgentContextToPath("/console/sites/hdh");
+    expect(snapshot().context).toMatchObject({ entityId: "e1" });
+    clearAgentContext();
+    showAgentRunInDrawer("r1");
+    syncAgentContextToPath("/console/sites/hdh");
+    expect(snapshot().context).toBeNull();
+    setAgentDrawerOpen(false);
+  });
+});
diff --git a/apps/web/app/components/agent/agent-store.ts b/apps/web/app/components/agent/agent-store.ts
index 7d499987..3a21c58d 100644
--- a/apps/web/app/components/agent/agent-store.ts
+++ b/apps/web/app/components/agent/agent-store.ts
@@ -84,6 +84,18 @@ export function newAgentConversation() {
   emit();
 }
 
+/**
+ * 抽屉开着时路由变了(浏览器前进后退、会话里的链接):还在新对话、上下文是按路由推断的,就换成新页面的对象;
+ * 页面按钮带进来的上下文、已经在看的会话不动。
+ */
+export function syncAgentContextToPath(pathname: string) {
+  if (!state.open || state.runId || (state.context && !state.context.fromPath)) return;
+  const next = contextFromPath(pathname);
+  if (JSON.stringify(next) === JSON.stringify(state.context)) return;
+  state = { ...state, context: next };
+  emit();
+}
+
 /** 去掉上下文(输入框上的名称标签 ×) */
 export function clearAgentContext() {
   state = { ...state, context: null };