refactor(core): migrate to Bun and converge acquisition policies and Agent boundaries

apps/server/test/e2e/crash-recovery.test.ts

@@ -29,7 +29,7 @@ describe.skipIf(!hasPg)("E4 崩溃恢复(worker 子进程 kill -9)", () => {
   const children: ChildProcess[] = [];
 
   const spawnWorker = (): Promise<ChildProcess> => {
-    const child = spawn(process.execPath, ["run", "-A", WORKER], {
+    const child = spawn(process.execPath, [WORKER], {
       cwd: SERVER_DIR,
       env: {
         ...process.env,