feat(HAI-007): set specifying status during triage

- Set task status to 'specifying' when triage specification begins
- Clear status back to null before moving task to todo on success
- Clear status on specification error with safe catch
- Add 'specifying' to active statuses in dashboard TaskCard

packages/dashboard/app/components/TaskCard.tsx

@@ -20,7 +20,7 @@ const COLUMN_TEXT_COLOR_MAP: Record<Column, string> = {
   done: "var(--done)",
 };
 
-const ACTIVE_STATUSES = new Set(["planning", "researching", "executing", "finalizing", "merging"]);
+const ACTIVE_STATUSES = new Set(["planning", "researching", "executing", "finalizing", "merging", "specifying"]);
 
 interface TaskCardProps {
   task: Task;

packages/engine/src/triage.ts

@@ -192,6 +192,7 @@ export class TriageProcessor {
 
     console.log(`[triage] Specifying ${task.id}: ${task.title || task.description.slice(0, 60)}`);
     this.options.onSpecifyStart?.(task);
+    await this.store.updateTask(task.id, { status: "specifying" });
 
     try {
       const detail = await this.store.getTask(task.id);
@@ -211,6 +212,7 @@ export class TriageProcessor {
         await session.prompt(agentPrompt);
 
         // Move to todo
+        await this.store.updateTask(task.id, { status: null });
         await this.store.moveTask(task.id, "todo");
         console.log(`[triage] ✓ ${task.id} specified and moved to todo`);
         this.options.onSpecifyComplete?.(task);
@@ -218,6 +220,7 @@ export class TriageProcessor {
         session.dispose();
       }
     } catch (err: any) {
+      await this.store.updateTask(task.id, { status: null }).catch(() => {});
       console.error(`[triage] ✗ ${task.id} specification failed:`, err.message);
       this.options.onSpecifyError?.(task, err);
     } finally {