chore: split local development services

scripts/dev-backend.mjs

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
-// dev-backend: 启动 PostgreSQL 依赖，并连接宿主机 native browser gateway 后运行 control-plane。
-import { spawn, spawnSync } from "node:child_process";
+// backend: 运行带 Air 热加载的 Go control-plane。
+import { spawn } from "node:child_process";
 import { readFileSync, existsSync } from "node:fs";
 import { fileURLToPath } from "node:url";
 import path from "node:path";
@@ -37,25 +37,6 @@ if (!overrides.LOG_LEVEL) overrides.LOG_LEVEL = "debug";
 if (!overrides.NATIVE_GATEWAY_ENDPOINT) overrides.NATIVE_GATEWAY_ENDPOINT = "http://127.0.0.1:8081";
 
 const env = { ...process.env, ...overrides };
-const compose = spawnSync(
-  "docker",
-  ["compose", "-f", "compose.yaml", "-f", "compose.dev.yaml", "up", "-d", "postgres"],
-  { cwd: root, env, stdio: "inherit" },
-);
-if (compose.status !== 0) {
-  console.error("启动 PostgreSQL 容器失败，请确认 Docker 只用于数据库依赖。");
-  process.exit(compose.status ?? 1);
-}
-
-try {
-  const response = await fetch(`${overrides.NATIVE_GATEWAY_ENDPOINT}/healthz`, { signal: AbortSignal.timeout(2000) });
-  if (!response.ok) throw new Error(`HTTP ${response.status}`);
-} catch (error) {
-  console.error(`[dev-backend] native browser gateway 不可达：${overrides.NATIVE_GATEWAY_ENDPOINT} (${error})`);
-  console.error("请先以非 root 用户启动 browser_gateway.server.http 或对应的 systemd user service。");
-  process.exit(1);
-}
-
 const air = spawn("air", ["-c", ".air.toml", ...process.argv.slice(2)], {
   cwd: root,
   env,