# v0.4.28 (2026-05-10)

## Features
- Add bun:sqlite adapter with automatic runtime detection (Bun/Node)
- Add bulk API key import (format: `name|sk-key`, one per line)
## Fixes
- Fix add API key for custom providers

src/lib/db/adapters/bunSqliteAdapter.js

@@ -0,0 +1,63 @@
+// Bun runtime adapter — uses built-in bun:sqlite (native, fastest under Bun).
+// Loaded only when process.versions.bun is present.
+import { PRAGMA_SQL } from "../schema.js";
+
+const CHECKPOINT_INTERVAL_MS = 60 * 1000;
+
+export async function createBunSqliteAdapter(filePath) {
+  // Dynamic import — only resolves under Bun runtime
+  const { Database } = await import("bun:sqlite");
+  const db = new Database(filePath, { create: true });
+  db.exec(PRAGMA_SQL);
+
+  const stmtCache = new Map();
+  function prepare(sql) {
+    let stmt = stmtCache.get(sql);
+    if (!stmt) {
+      stmt = db.prepare(sql);
+      stmtCache.set(sql, stmt);
+    }
+    return stmt;
+  }
+
+  const checkpointTimer = setInterval(() => {
+    try { db.exec("PRAGMA wal_checkpoint(TRUNCATE)"); } catch {}
+  }, CHECKPOINT_INTERVAL_MS);
+  if (typeof checkpointTimer.unref === "function") checkpointTimer.unref();
+
+  function gracefulClose() {
+    try { db.exec("PRAGMA wal_checkpoint(TRUNCATE)"); } catch {}
+    try { stmtCache.clear(); } catch {}
+    try { db.close(); } catch {}
+  }
+  const onShutdown = () => gracefulClose();
+  process.once("beforeExit", onShutdown);
+  process.once("SIGINT", () => { onShutdown(); process.exit(0); });
+  process.once("SIGTERM", () => { onShutdown(); process.exit(0); });
+
+  return {
+    driver: "bun:sqlite",
+    run(sql, params = []) {
+      const r = prepare(sql).run(...params);
+      return { changes: Number(r.changes ?? 0), lastInsertRowid: Number(r.lastInsertRowid ?? 0) };
+    },
+    get(sql, params = []) {
+      return prepare(sql).get(...params);
+    },
+    all(sql, params = []) {
+      return prepare(sql).all(...params);
+    },
+    exec(sql) { return db.exec(sql); },
+    transaction(fn) {
+      // bun:sqlite has db.transaction() API (similar to better-sqlite3)
+      const tx = db.transaction(fn);
+      return tx();
+    },
+    checkpoint() { try { db.exec("PRAGMA wal_checkpoint(TRUNCATE)"); } catch {} },
+    close() {
+      clearInterval(checkpointTimer);
+      gracefulClose();
+    },
+    raw: db,
+  };
+}

src/lib/db/adapters/nodeSqliteAdapter.js

@@ -62,14 +62,15 @@ export async function createNodeSqliteAdapter(filePath) {
     },
     exec(sql) { return db.exec(sql); },
     transaction(fn) {
-      // node:sqlite has no built-in transaction wrapper → manual BEGIN/COMMIT
-      db.exec("BEGIN");
+      // node:sqlite has no transaction wrapper. Use SAVEPOINT for nested support.
+      const sp = `sp_${Math.random().toString(36).slice(2)}`;
+      db.exec(`SAVEPOINT ${sp}`);
       try {
         const r = fn();
-        db.exec("COMMIT");
+        db.exec(`RELEASE ${sp}`);
         return r;
       } catch (e) {
-        try { db.exec("ROLLBACK"); } catch {}
+        try { db.exec(`ROLLBACK TO ${sp}`); db.exec(`RELEASE ${sp}`); } catch {}
         throw e;
       }
     },

src/lib/db/adapters/sqljsAdapter.js

@@ -86,14 +86,15 @@ export async function createSqlJsAdapter(filePath) {
   }
 
   function transaction(fn) {
-    db.exec("BEGIN");
+    const sp = `sp_${Math.random().toString(36).slice(2)}`;
+    db.exec(`SAVEPOINT ${sp}`);
     try {
       const result = fn();
-      db.exec("COMMIT");
+      db.exec(`RELEASE ${sp}`);
       scheduleSave();
       return result;
     } catch (e) {
-      db.exec("ROLLBACK");
+      try { db.exec(`ROLLBACK TO ${sp}`); db.exec(`RELEASE ${sp}`); } catch {}
       throw e;
     }
   }

src/lib/db/driver.js

@@ -4,7 +4,21 @@ import { ensureDirs, DATA_FILE } from "./paths.js";
 if (!global._dbAdapter) global._dbAdapter = { instance: null, initPromise: null, logged: false };
 const state = global._dbAdapter;
 
+async function tryBunSqlite() {
+  // Bun runtime only — built-in, no install needed
+  if (!process.versions.bun) return null;
+  try {
+    const { createBunSqliteAdapter } = await import("./adapters/bunSqliteAdapter.js");
+    return await createBunSqliteAdapter(DATA_FILE);
+  } catch (e) {
+    console.warn(`[DB] bun:sqlite unavailable: ${e.message}`);
+    return null;
+  }
+}
+
 async function tryBetterSqlite() {
+  // Skip on Bun — better-sqlite3 native bindings unsupported
+  if (process.versions.bun) return null;
   try {
     const { createBetterSqliteAdapter } = await import("./adapters/betterSqliteAdapter.js");
     return createBetterSqliteAdapter(DATA_FILE);
@@ -15,7 +29,8 @@ async function tryBetterSqlite() {
 }
 
 async function tryNodeSqlite() {
-  // Built-in since Node 22.5.0 — no install needed.
+  // Built-in since Node 22.5.0 — no install needed. Skip under Bun (no node:sqlite).
+  if (process.versions.bun) return null;
   const [maj, min] = process.versions.node.split(".").map(Number);
   if (maj < 22 || (maj === 22 && min < 5)) return null;
   try {
@@ -39,11 +54,14 @@ async function trySqlJs() {
 
 async function initAdapter() {
   ensureDirs();
-  // Order: native (fastest) → built-in (no install) → pure JS (universal)
-  let adapter = await tryBetterSqlite();
+  // Order per runtime:
+  //   Bun:  bun:sqlite → sql.js
+  //   Node: better-sqlite3 → node:sqlite (≥22.5) → sql.js
+  let adapter = await tryBunSqlite();
+  if (!adapter) adapter = await tryBetterSqlite();
   if (!adapter) adapter = await tryNodeSqlite();
   if (!adapter) adapter = await trySqlJs();
-  if (!adapter) throw new Error("[DB] No SQLite driver available (better-sqlite3 + node:sqlite + sql.js all failed)");
+  if (!adapter) throw new Error("[DB] No SQLite driver available (bun/better/node/sql.js all failed)");
 
   if (!state.logged) {
     console.log(`[DB] Driver: ${adapter.driver} | file: ${DATA_FILE}`);