fix: isolate delivered agent chats by project

src/pages/Chat/use-teacher-companion.ts

@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
-import { teacherApi, teacherTopicsPath, type TeacherCatalogState } from '@/lib/coding-teacher';
+import { teacherApi, teacherTopicsPath, teacherConversationsPath, type TeacherCatalogState } from '@/lib/coding-teacher';
 import { useAuthStore } from '@/stores/auth';
 import { AppError } from '@/lib/error-model';
 import {
@@ -50,7 +50,7 @@ function unreadInvitation(state: Pick<CompanionState, 'topic' | 'seen'>) {
 
 export function useTeacherCompanion(options: Options) {
   const account = useAuthStore((state) => state.user?.userId ?? state.user?.username ?? 'signed-out');
-  const scope = account;
+  const scope = account + ':' + (options.projectId ?? 'no-project');
   const storageKey = `makelore-teacher-presence:${scope}`;
   const [state, setState] = useState<CompanionState>({ agents: [], definition: null, enabled: false, loading: true, refreshing: false, refreshStatus: 'idle', topic: null, seen: [], welcomeDismissed: false, error: '' });
   const [unreadAgentIds, setUnreadAgentIds] = useState<string[]>([]);
@@ -88,7 +88,7 @@ export function useTeacherCompanion(options: Options) {
     return () => window.clearTimeout(timer);
   }, [state.refreshStatus]);
   const noteTopic = useCallback((topic: TeacherTopic) => {
-    if (scopeRef.current !== scope || (!topic.conversation && topic.projectId !== latest.current.options.projectId)) return;
+    if (scopeRef.current !== scope || topic.projectId !== latest.current.options.projectId) return;
     const selectedId = latest.current.state.selectedAgent?.teacher_id;
     if (selectedId && topic.definition.config_id !== selectedId) return;
     if (topic.conversation) {
@@ -133,7 +133,7 @@ export function useTeacherCompanion(options: Options) {
     const storedSeen = readLocal<unknown>(storageKey + ':seen', []);
     const seen = Array.isArray(storedSeen) ? storedSeen.filter((id): id is string => typeof id === 'string') : [];
     const welcomeDismissed = readLocal<boolean>(storageKey + ':welcome-dismissed', false) === true;
-    if (!preserveChat) selectionEpoch.current++;
+    if (!preserveChat) { selectionEpoch.current++; setUnreadAgentIds([]); }
     const initialSelection = selectionEpoch.current;
     if (!preserveChat) setState({ agents: [], definition: null, enabled: false, loading: true, refreshing: false, refreshStatus: 'idle', topic: null, seen, welcomeDismissed, error: '' });
     else setState((current) => ({ ...current, refreshing: false, refreshStatus: 'idle' }));
@@ -152,7 +152,7 @@ export function useTeacherCompanion(options: Options) {
           const selected = catalog.items.find((item) => item.teacher_id === selectedId)
             ?? (!selectedId ? catalog.items.find((item) => item.is_default) ?? catalog.items[0] : undefined);
           const unassigned = current.selectedAgent === null
-            || (!current.agents.length && !selectedId && latest.current.options.teacherOpen);
+            || (!current.loading && !current.agents.length && !selectedId && latest.current.options.teacherOpen);
           return { selectedId, selected, unassigned,
             enabled: Boolean(selected) || (!selectedId && config.enabled) };
         };
@@ -175,8 +175,8 @@ export function useTeacherCompanion(options: Options) {
         const loaded = await loadConfig();
         if (!alive) return;
         const agentId = loaded.selected?.teacher_id ?? loaded.selectedId;
-        if (agentId) {
-          const view = await teacherApi.conversation(agentId);
+        if (agentId && projectId) {
+          const view = await teacherApi.conversation(projectId, agentId);
           if (alive && view.topic && initialSelection === selectionEpoch.current) noteTopic(view.topic);
           return;
         }
@@ -206,14 +206,14 @@ export function useTeacherCompanion(options: Options) {
         inFlight.current = true;
         try {
           const refreshed = currentState.topic.conversation
-            ? (await teacherApi.conversation(currentState.topic.conversation.agentId)).topic
+            ? (await teacherApi.conversation(currentState.topic.projectId, currentState.topic.conversation.agentId)).topic
             : await teacherApi.read(base, currentState.topic.id, false);
           if (alive && refreshed && latest.current.state.topic?.id === currentState.topic.id) noteTopic(refreshed);
         } catch { /* The next visible tick retries this read without dispatching a model. */ }
         finally { if (alive) inFlight.current = false; }
         return;
       }
-      // Delivered agents now own one account-wide chat. Project observations
+      // Delivered agents own one chat per project. Project observations
       // have their own Main scheduler; this legacy timer must not create topics.
       if (currentState.selectedAgent || currentState.agents.length) {
         try { await loadConfig(); } catch { /* Keep last known delivered contacts. */ }
@@ -266,17 +266,19 @@ export function useTeacherCompanion(options: Options) {
 
   useEffect(() => {
     let alive = true;
+    const projectId = options.projectId;
+    if (!projectId) return;
     const refresh = async () => {
       if (document.visibilityState === 'hidden') return;
       const views = await Promise.allSettled(state.agents.map(async agent => ({
-        id: agent.teacher_id, view: await teacherApi.conversation(agent.teacher_id),
+        id: agent.teacher_id, view: await teacherApi.conversation(projectId, agent.teacher_id),
       })));
       if (!alive) return;
       setUnreadAgentIds(views.flatMap(result => {
         if (result.status !== 'fulfilled') return [];
         const { id, view } = result.value;
         const last = view.topic?.requests.at(-1);
-        return last && !['preparing', 'running'].includes(last.status)
+        return view.topic?.projectId === projectId && last && !['preparing', 'running'].includes(last.status)
           && view.topic?.conversation?.seenThrough !== last.id ? [id] : [];
       }));
     };
@@ -284,18 +286,18 @@ export function useTeacherCompanion(options: Options) {
     const timer = window.setInterval(() => void refresh(), 15_000);
     window.addEventListener('focus', refresh);
     return () => { alive = false; window.clearInterval(timer); window.removeEventListener('focus', refresh); };
-  }, [account, state.agents]);
+  }, [account, options.projectId, state.agents]);
 
   const topic = stateScope.current === scope ? state.topic : null;
   const topicId = topic?.id;
   const topicProjectId = topic?.projectId;
   const conversationAgentId = topic?.conversation?.agentId;
   useEffect(() => {
-    if (!topicId || (!topicProjectId && !conversationAgentId) || topic?.role === 'friend') return;
+    if (!topicId || !topicProjectId || topic?.role === 'friend') return;
     let alive = true;
     let stream: EventSource | undefined;
     const streamSelection = selectionEpoch.current;
-    const base = conversationAgentId ? '/api/coding/agent-conversations' : teacherTopicsPath(topicProjectId!);
+    const base = conversationAgentId ? teacherConversationsPath(topicProjectId) : teacherTopicsPath(topicProjectId);
     void teacherApi.events(base, conversationAgentId ?? topicId).then((source) => {
       if (!alive) { source.close(); return; }
       stream = source;
@@ -318,7 +320,7 @@ export function useTeacherCompanion(options: Options) {
   const welcome = topic?.role !== 'friend' && !visibleState.loading && visibleState.enabled && !visibleState.welcomeDismissed
     ? selectedDefinition?.welcome_message.trim() || null : null;
   return {
-    unreadAgentIds,
+    unreadAgentIds: stateScope.current === scope ? unreadAgentIds : [],
     ...visibleState,
     error: last?.intent === 'check-in' && ['failed', 'interrupted'].includes(last.status) ? '智能体这次没连上，可以点头像找智能体聊聊。' : visibleState.error,
     definition: selectedDefinition,