fix: restore regressions from discord-only refactor

src/status-dashboard.ts

@@ -0,0 +1,65 @@
+import fs from 'fs';
+import path from 'path';
+
+import { CACHE_DIR } from './config.js';
+import type { GroupStatus } from './group-queue.js';
+import type { AgentType } from './types.js';
+
+export interface StatusSnapshotEntry {
+  jid: string;
+  name: string;
+  folder: string;
+  agentType: AgentType;
+  status: GroupStatus['status'];
+  elapsedMs: number | null;
+  pendingMessages: boolean;
+  pendingTasks: number;
+}
+
+export interface StatusSnapshot {
+  agentType: AgentType;
+  assistantName: string;
+  updatedAt: string;
+  entries: StatusSnapshotEntry[];
+}
+
+const STATUS_SNAPSHOT_DIR = path.join(CACHE_DIR, 'status-dashboard');
+
+export function writeStatusSnapshot(snapshot: StatusSnapshot): void {
+  fs.mkdirSync(STATUS_SNAPSHOT_DIR, { recursive: true });
+  const targetPath = path.join(
+    STATUS_SNAPSHOT_DIR,
+    `${snapshot.agentType}.json`,
+  );
+  const tempPath = `${targetPath}.tmp`;
+  fs.writeFileSync(tempPath, JSON.stringify(snapshot, null, 2));
+  fs.renameSync(tempPath, targetPath);
+}
+
+export function readStatusSnapshots(maxAgeMs: number): StatusSnapshot[] {
+  if (!fs.existsSync(STATUS_SNAPSHOT_DIR)) return [];
+
+  const now = Date.now();
+  const snapshots: StatusSnapshot[] = [];
+
+  for (const entry of fs.readdirSync(STATUS_SNAPSHOT_DIR)) {
+    if (!entry.endsWith('.json')) continue;
+    const snapshotPath = path.join(STATUS_SNAPSHOT_DIR, entry);
+
+    try {
+      const raw = fs.readFileSync(snapshotPath, 'utf-8');
+      const parsed = JSON.parse(raw) as StatusSnapshot;
+      if (!parsed.updatedAt || !parsed.agentType || !Array.isArray(parsed.entries))
+        continue;
+
+      const ageMs = now - new Date(parsed.updatedAt).getTime();
+      if (Number.isNaN(ageMs) || ageMs > maxAgeMs) continue;
+
+      snapshots.push(parsed);
+    } catch {
+      continue;
+    }
+  }
+
+  return snapshots;
+}