feat(backup): add scheduler alerts and recovery notifications

src/config/schema.test.ts

@@ -208,6 +208,9 @@ describe('configSchema — backup', () => {
     expect(result.backup.schedule).toBeUndefined();
     expect(result.backup.interval).toBe('24h');
     expect(result.backup.run_on_start).toBe(false);
+    expect(result.backup.notify).toBeUndefined();
+    expect(result.backup.failure_threshold).toBe(1);
+    expect(result.backup.notify_recovery).toBe(true);
     expect(result.backup.include_vectors).toBe(true);
     expect(result.backup.minio.enabled).toBe(false);
     expect(result.backup.minio.prefix).toBe('flynn');
@@ -222,6 +225,9 @@ describe('configSchema — backup', () => {
         schedule: '0 2 * * *',
         interval: '12h',
         run_on_start: true,
+        notify: { channel: 'telegram', peer: '123' },
+        failure_threshold: 3,
+        notify_recovery: false,
         local_dir: '/tmp/flynn-backups',
         include_vectors: false,
         minio: {
@@ -240,6 +246,9 @@ describe('configSchema — backup', () => {
     expect(result.backup.schedule).toBe('0 2 * * *');
     expect(result.backup.interval).toBe('12h');
     expect(result.backup.run_on_start).toBe(true);
+    expect(result.backup.notify).toEqual({ channel: 'telegram', peer: '123' });
+    expect(result.backup.failure_threshold).toBe(3);
+    expect(result.backup.notify_recovery).toBe(false);
     expect(result.backup.local_dir).toBe('/tmp/flynn-backups');
     expect(result.backup.include_vectors).toBe(false);
     expect(result.backup.minio.enabled).toBe(true);

src/config/schema.ts

@@ -717,6 +717,12 @@ const backupSchema = z.object({
   schedule: z.string().optional(),
   interval: z.string().default('24h'),
   run_on_start: z.boolean().default(false),
+  notify: z.object({
+    channel: z.string().min(1),
+    peer: z.string().min(1),
+  }).optional(),
+  failure_threshold: z.number().min(1).max(10).default(1),
+  notify_recovery: z.boolean().default(true),
   local_dir: z.string().default('~/.local/share/flynn/backups'),
   include_vectors: z.boolean().default(true),
   minio: z.object({