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

apps/server/test/sources-identity/identity-cleanup.test.ts

@@ -18,7 +18,7 @@ describe.skipIf(!up)("identity-cleanup 孤立单元判定", () => {
   let mappedNoLayout: string;
 
   const run = (...args: string[]) =>
-    execFileSync(Deno.execPath(), ["run", "-A", SCRIPT, ...args], {
+    execFileSync(process.execPath, [SCRIPT, ...args], {
       cwd: ROOT,
       env: { ...process.env, DATABASE_URL: url, NO_COLOR: "1" },
       encoding: "utf8",