feat(notifications): emit at maintenance/turn/sync/reauth events

packages/backend/convex/agentJobs.ts

@@ -4,6 +4,7 @@ import type { Doc, Id } from './_generated/dataModel';
 import type { MutationCtx } from './_generated/server';
 import { internalMutation, mutation, query } from './_generated/server';
 import { getOwnedSpoon, getRequiredUserId, optionalText } from './model';
+import { emitNotification } from './notifications';
 import type { AgentRuntimeName } from './runtimeSupport';
 import { runtimesForProfile } from './runtimeSupport';
 import { assertWorkerToken } from './workerAuth';
@@ -1344,6 +1345,21 @@ export const updateStatus = mutation({
         }
         await ctx.db.patch(job.threadId, threadPatch);
       }
+      if (
+        (args.status === 'changes_ready' ||
+          args.status === 'draft_pr_opened') &&
+        job.status !== args.status
+      ) {
+        await emitNotification(ctx, {
+          userId: job.ownerId,
+          kind: 'agent_turn_finished',
+          title: 'Agent turn finished',
+          body: args.summary ?? job.summary ?? '',
+          link: `/threads/${job.threadId}`,
+          threadId: job.threadId,
+          spoonId: job.spoonId,
+        });
+      }
     }
     return { success: true };
   },
@@ -1687,6 +1703,17 @@ export const applyMaintenanceDecision = mutation({
       createdAt: now,
       updatedAt: now,
     });
+    if (status === 'waiting_for_user') {
+      await emitNotification(ctx, {
+        userId: job.ownerId,
+        kind: 'agent_needs_input',
+        title: 'Agent needs your input',
+        body: args.summary,
+        link: `/threads/${job.threadId}`,
+        threadId: job.threadId,
+        spoonId: job.spoonId,
+      });
+    }
     return { success: true };
   },
 });