refactor: rename database file to sqlite.db

Use a generic name that won't break across rebrands. Copied old
engineer-ai.db data into the new file.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: adriandmitroca

.gitignore

@@ -34,9 +34,9 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
 .DS_Store
 
 # relay
-relay.db
-relay.db-wal
-relay.db-shm
+sqlite.db
+sqlite.db-wal
+sqlite.db-shm
 relay.pid
 config.json
 .relay-worktrees/

CLAUDE.md

@@ -171,7 +171,7 @@ Auth tokens are stored in SQLite (in `source_configs.config` JSON and `telegram_
 ### Files That Should Never Be Committed
 
 - `config.json` — contains auth tokens and project paths (legacy, auto-imported)
-- `relay.db` / `relay.db-wal` / `relay.db-shm` — local state
+- `sqlite.db` / `sqlite.db-wal` / `sqlite.db-shm` — local state
 - `relay.pid` — daemon PID file
 - `.relay-worktrees/` — temporary worktrees
 - `relay.stdout.log` / `relay.stderr.log` — service logs

src/daemon.ts

@@ -57,7 +57,7 @@ export class Daemon {
 
   async start() {
     // Init DB
-    const dbPath = join(this.baseDir, "relay.db");
+    const dbPath = join(this.baseDir, "sqlite.db");
     this.db = new IssueDB(dbPath);
     this.configDB = new ConfigDB(this.db.getDatabase());