feat(ops): add setup operator pack, heartbeat alert cooldown, and doctor strict mode

src/config/schema.test.ts

@@ -1002,6 +1002,7 @@ describe('configSchema automation', () => {
 
   it('defaults heartbeat extended thresholds and checks', () => {
     const result = configSchema.parse(baseConfig);
+    expect(result.automation.heartbeat.notify_cooldown).toBe('30m');
     expect(result.automation.heartbeat.process_memory_threshold_mb).toBe(1500);
     expect(result.automation.heartbeat.backup_failure_threshold).toBe(1);
     expect(result.automation.heartbeat.provider_error_rate_threshold).toBe(0.5);

src/config/schema.ts

@@ -308,6 +308,7 @@ const heartbeatCheckSchema = z.enum(['gateway', 'model', 'channels', 'memory', '
 const heartbeatSchema = z.object({
   enabled: z.boolean().default(false),
   interval: z.string().default('5m'),
+  notify_cooldown: z.string().default('30m'),
   checks: z.array(heartbeatCheckSchema).default(['gateway', 'model', 'channels', 'memory', 'disk', 'process_memory', 'backup', 'provider_errors']),
   notify: z.object({
     channel: z.string().min(1),