perf: reuse team summary for comment notification init

src/main/services/team/TeamDataService.ts

@@ -218,6 +218,12 @@ interface EligibleTaskCommentNotification {
   summary: string;
 }
 
+interface TaskCommentNotificationTeamContext {
+  deletedAt?: string;
+  leadName?: string;
+  leadSessionId?: string;
+}
+
 interface TaskChangeLogSourceSnapshot {
   projectFingerprint: string | null;
   logSourceGeneration: string | null;
@@ -2441,6 +2447,11 @@ export class TeamDataService {
           await this.processTaskCommentNotifications(team.teamName, undefined, {
             seedHistoricalIfJournalMissing: true,
             recoverPending: true,
+            teamContext: {
+              deletedAt: team.deletedAt,
+              leadName: team.leadName,
+              leadSessionId: team.leadSessionId,
+            },
           });
         } catch (error) {
           logger.warn(
@@ -2722,20 +2733,28 @@ export class TeamDataService {
     options?: {
       seedHistoricalIfJournalMissing?: boolean;
       recoverPending?: boolean;
+      teamContext?: TaskCommentNotificationTeamContext;
     }
   ): Promise<void> {
     const seedHistoricalIfJournalMissing = options?.seedHistoricalIfJournalMissing === true;
     const recoverPending = options?.recoverPending === true;
-    let config: TeamConfig | null = null;
-    try {
-      config = await readConfigForUiSnapshot(this.configReader, teamName);
-    } catch {
-      return;
-    }
-    if (!config || config.deletedAt) return;
+    const teamContext = options?.teamContext;
+    if (teamContext?.deletedAt) return;
 
-    const leadName = this.resolveLeadNameFromConfig(config);
-    const leadSessionId = config.leadSessionId;
+    let leadName = teamContext?.leadName?.trim() ?? '';
+    let leadSessionId = teamContext?.leadSessionId;
+    if (!leadName) {
+      let config: TeamConfig | null = null;
+      try {
+        config = await readConfigForUiSnapshot(this.configReader, teamName);
+      } catch {
+        return;
+      }
+      if (!config || config.deletedAt) return;
+
+      leadName = this.resolveLeadNameFromConfig(config);
+      leadSessionId = config.leadSessionId;
+    }
     if (!leadName.trim()) return;
 
     const journalExists = await this.taskCommentNotificationJournal.exists(teamName);

test/main/services/team/TeamDataService.test.ts

@@ -2520,6 +2520,95 @@ describe('TeamDataService', () => {
     }
   });
 
+  it('uses startup team summary lead fields without rereading config for comment notification baselines', async () => {
+    const previous = process.env[TASK_COMMENT_FORWARDING_ENV];
+    process.env[TASK_COMMENT_FORWARDING_ENV] = 'on';
+    const journalEntries: Array<Record<string, unknown>> = [];
+    const inboxWriter = { sendMessage: vi.fn() };
+    const getConfig = vi.fn(async () => {
+      throw new Error('unexpected config read');
+    });
+    const journal = {
+      exists: vi.fn(async () => false),
+      ensureFile: vi.fn(async () => undefined),
+      withEntries: vi.fn(
+        async (_teamName: string, fn: (entries: unknown[]) => Promise<{ result: unknown }>) => {
+          const outcome = await fn(journalEntries);
+          return outcome.result;
+        }
+      ),
+    };
+
+    try {
+      const service = new TeamDataService(
+        {
+          listTeams: vi.fn(async () => [
+            {
+              teamName: 'my-team',
+              displayName: 'My team',
+              description: '',
+              memberCount: 1,
+              taskCount: 1,
+              lastActivity: null,
+              leadName: 'team-lead',
+              leadSessionId: 'lead-1',
+            },
+          ]),
+          getConfig,
+        } as never,
+        {
+          getTasks: vi.fn(async () => [
+            {
+              id: 'task-1',
+              displayId: 'abcd1234',
+              subject: 'Investigate',
+              status: 'pending',
+              owner: 'alice',
+              comments: [
+                {
+                  id: 'comment-1',
+                  author: 'alice',
+                  text: 'Found the root cause.',
+                  createdAt: '2026-03-14T10:00:00.000Z',
+                  type: 'regular',
+                },
+              ],
+            },
+          ]),
+        } as never,
+        {
+          listInboxNames: vi.fn(async () => []),
+          getMessages: vi.fn(async () => []),
+          getMessagesFor: vi.fn(async () => []),
+        } as never,
+        inboxWriter as never,
+        {} as never,
+        {} as never,
+        {} as never,
+        {} as never,
+        {} as never,
+        {} as never,
+        (() => ({}) as never) as never,
+        journal as never
+      );
+
+      await service.initializeTaskCommentNotificationState();
+
+      expect(getConfig).not.toHaveBeenCalled();
+      expect(inboxWriter.sendMessage).not.toHaveBeenCalled();
+      expect(journalEntries).toEqual([
+        expect.objectContaining({
+          key: 'task-1:comment-1',
+          state: 'seeded',
+          messageId: 'task-comment-forward:my-team:task-1:comment-1',
+        }),
+      ]);
+    } finally {
+      if (previous === undefined) delete process.env[TASK_COMMENT_FORWARDING_ENV];
+      else process.env[TASK_COMMENT_FORWARDING_ENV] = previous;
+    }
+  });
+
   it('forwards a new eligible task comment to the lead exactly once in live mode', async () => {
     const previous = process.env[TASK_COMMENT_FORWARDING_ENV];
     process.env[TASK_COMMENT_FORWARDING_ENV] = 'on';