fix: ignore database runtime artifacts by default

src/config/config-store.test.ts

@@ -63,6 +63,19 @@ describe('ConfigStore AI env overrides', () => {
   })
 })
 
+describe('ConfigStore default ignore list', () => {
+  it('includes database runtime artifact patterns', () => {
+    const cfg = defaultConfig()
+
+    expect(cfg.watch.ignore).toContain('**/*.db')
+    expect(cfg.watch.ignore).toContain('**/*.db-wal')
+    expect(cfg.watch.ignore).toContain('**/*.db-shm')
+    expect(cfg.watch.ignore).toContain('**/*.sqlite')
+    expect(cfg.watch.ignore).toContain('**/*.sqlite-wal')
+    expect(cfg.watch.ignore).toContain('**/*.sqlite-shm')
+  })
+})
+
 describe('ConfigStore server config', () => {
   it('provides default server config values', async () => {
     const cfg = await loadWithEnv({})

src/config/config-store.ts

@@ -116,6 +116,17 @@ const DEFAULT_IGNORE = [
   '**/.nyc_output/**',
   '**/*.lcov',
 
+  // ─── Database & Runtime Artifacts ───
+  '**/*.db',
+  '**/*.db-wal',
+  '**/*.db-shm',
+  '**/*.sqlite',
+  '**/*.sqlite-wal',
+  '**/*.sqlite-shm',
+  '**/*.sqlite3',
+  '**/*.sqlite3-wal',
+  '**/*.sqlite3-shm',
+
   // ─── macOS ───
   '**/.DS_Store',
   '**/.com.google.Chrome.*',