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

apps/server/test/fixtures/sse-bus-proc.ts

@@ -1,14 +1,14 @@
 // SSE 多进程测试用子进程:sub 模式订阅并逐行输出收到的事件 JSON,收满 n 条退出;pub 模式发布 n 条后退出。
-// 用法:deno run -A test/fixtures/sse-bus-proc.ts <sub|pub> <schema> <channel> <n>
+// 用法:bun test/fixtures/sse-bus-proc.ts <sub|pub> <schema> <channel> <n>
 import type { DB } from "@umt/db";
 import { Kysely, PostgresDialect } from "kysely";
 import pg from "pg";
 import { PgEventBus } from "../../src/http/sse-pg.ts";
 import { createLogger } from "../../src/logger.ts";
 
-const [mode, schema, channel, nRaw] = Deno.args;
+const [mode, schema, channel, nRaw] = process.argv.slice(2);
 const n = Number(nRaw);
-const url = Deno.env.get("DATABASE_URL") ?? "postgres://umt:umt@localhost:55433/umt";
+const url = process.env.DATABASE_URL ?? "postgres://umt:umt@localhost:55433/umt";
 const db = new Kysely<DB>({
   dialect: new PostgresDialect({
     pool: new pg.Pool({ connectionString: url, max: 2, options: `-c search_path=${schema},public` }),
@@ -32,12 +32,12 @@ if (mode === "sub") {
   console.log("READY");
   const timeout = setTimeout(() => {
     console.error("timeout");
-    Deno.exit(3);
+    process.exit(3);
   }, 20_000);
   await done;
   clearTimeout(timeout);
 } else {
-  for (let i = 0; i < n; i++) await bus.publish("test.ping", { i, pid: Deno.pid });
+  for (let i = 0; i < n; i++) await bus.publish("test.ping", { i, pid: process.pid });
 }
 await bus.stop();
 await db.destroy();