diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index e4cd5b82..b162d62a 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -14,7 +14,9 @@ on:
     inputs:
       tag:
         description: "要发布的 tag（如 @sfmc-bds/sdk@v0.1.0）"
-        required: true
+        # 勿 required:true：改本 workflow 的 branch push 会被 GHA 误评估，
+        # 缺 inputs 时出现空 jobs + "workflow file issue" failure（见 run 29922880511）。
+        required: false
         type: string
 
 jobs:
diff --git a/db-server/src/routes/_shared.ts b/db-server/src/routes/_shared.ts
index 5e9bb322..b94848e4 100644
--- a/db-server/src/routes/_shared.ts
+++ b/db-server/src/routes/_shared.ts
@@ -59,16 +59,17 @@ export const body = sharedBody;
 
 /**
  * v2 失败信封权威形态(DRY + LSP):
- * 一律 `{ ok:false, error, code? }`,勿再混用 `{ success:false }`。
+ * 一律 `{ ok:false, error, code? }`(+ 可选 extra),勿再混用 `{ success:false }`。
  * service-routes / db / module-config / index 模块鉴权门应走此助手。
  */
 export function jsonV2Fail(
   res: ServerResponse,
   error: string,
   status: number,
-  code?: string
+  code?: string,
+  extra?: Record<string, unknown>
 ): void {
-  const payload: Record<string, unknown> = { ok: false, error };
+  const payload: Record<string, unknown> = { ...(extra ?? {}), ok: false, error };
   if (code) payload.code = code;
   sharedJson(res, payload, status);
 }
diff --git a/db-server/src/routes/db-routes.ts b/db-server/src/routes/db-routes.ts
index 8eb1fe68..7184bf40 100644
--- a/db-server/src/routes/db-routes.ts
+++ b/db-server/src/routes/db-routes.ts
@@ -73,7 +73,7 @@ export function createDbRoutes(depsIn: Partial<DbRoutesDeps>) {
         const result = deps.schemaRegistry!.define(moduleId, req2);
         json(res, { success: true, table: result.table, created: result.created }, 200);
       } catch (e) {
-        json(res, { success: false, error: (e as Error).message }, 400);
+        jsonV2Fail(res, (e as Error).message, 400);
       }
       return true;
     }
@@ -89,7 +89,7 @@ export function createDbRoutes(depsIn: Partial<DbRoutesDeps>) {
         const status = result.ok ? 200 : 400;
         json(res, result as unknown as Record<string, unknown>, status);
       } catch (e) {
-        json(res, { success: false, error: (e as Error).message }, 500);
+        jsonV2Fail(res, (e as Error).message, 500);
       }
       return true;
     }
@@ -109,17 +109,17 @@ export function createDbRoutes(depsIn: Partial<DbRoutesDeps>) {
           const result = await deps.txRunner!.run({ moduleId, steps: [step] });
           if (!result.ok) {
             const code = result.code === "permission_denied" ? 403 : 400;
-            json(res, { success: false, error: result.error, step: result.step, code: result.code }, code);
+            jsonV2Fail(res, result.error, code, result.code, { step: result.step });
             return true;
           }
           const first = result.results[0];
           json(res, { success: true, ...unwrapResult(first, cand.op) }, 200);
         } catch (e) {
           if (e instanceof PermissionDeniedError) {
-            json(res, { success: false, error: e.message, code: "permission_denied" }, 403);
+            jsonV2Fail(res, e.message, 403, "permission_denied");
             return true;
           }
-          json(res, { success: false, error: (e as Error).message }, 500);
+          jsonV2Fail(res, (e as Error).message, 500);
         }
         return true;
       }
@@ -136,12 +136,12 @@ export function createDbRoutes(depsIn: Partial<DbRoutesDeps>) {
         };
         const result = await deps.txRunner!.run({ moduleId, steps: [step] });
         if (!result.ok) {
-          json(res, { success: false, error: result.error }, 400);
+          jsonV2Fail(res, result.error, 400, result.code);
           return true;
         }
         json(res, { success: true });
       } catch (e) {
-        json(res, { success: false, error: (e as Error).message }, 500);
+        jsonV2Fail(res, (e as Error).message, 500);
       }
       return true;
     }
@@ -166,7 +166,7 @@ export function createDbRoutes(depsIn: Partial<DbRoutesDeps>) {
           json(res, { success: r.ok });
         }
       } catch (e) {
-        json(res, { success: false, error: (e as Error).message }, 500);
+        jsonV2Fail(res, (e as Error).message, 500);
       }
       return true;
     }
diff --git a/db-server/src/runtime.test.ts b/db-server/src/runtime.test.ts
index 41000dfb..3d3c3fac 100644
--- a/db-server/src/runtime.test.ts
+++ b/db-server/src/runtime.test.ts
@@ -76,3 +76,23 @@ test("ServiceRegistry: missing service → no_such_service (not not_in_requires)
     (e: unknown) => e instanceof DispatchError && e.code === "no_such_service"
   );
 });
+
+test("jsonV2Fail: ok 方言 + extra(step) 合并(LSP/DRY)", async () => {
+  const { jsonV2Fail } = await import("./routes/_shared.js");
+  const chunks: Buffer[] = [];
+  let statusCode = 0;
+  const res = {
+    writeHead(code: number) {
+      statusCode = code;
+    },
+    end(body?: string) {
+      if (body) chunks.push(Buffer.from(body));
+    },
+    setHeader() {},
+  } as unknown as import("node:http").ServerResponse;
+
+  jsonV2Fail(res, "boom", 400, "bad_step", { step: 2 });
+  const payload = JSON.parse(Buffer.concat(chunks).toString("utf8"));
+  equal(statusCode, 400);
+  deepEqual(payload, { ok: false, error: "boom", code: "bad_step", step: 2 });
+});
diff --git a/modules/sdk/@sfmc-sdk/src/module-loader/http-data-adapter.ts b/modules/sdk/@sfmc-sdk/src/module-loader/http-data-adapter.ts
new file mode 100644
index 00000000..89891e4d
--- /dev/null
+++ b/modules/sdk/@sfmc-sdk/src/module-loader/http-data-adapter.ts
@@ -0,0 +1,22 @@
+/**
+ * HttpDB → ConfigManager.DataAdapter 适配器(DIP)。
+ * ConfigManager 只依赖 DataAdapter 抽象;本文件是 module-loader 侧唯一 HttpDB 装配点。
+ */
+
+import { HttpDB } from "../sapi/runtime/httpdb.js";
+import type { DataAdapter } from "./internal/config-manager.js";
+
+/** 用 HttpDB 实现 DataAdapter;可选覆盖 db-server 基址。 */
+export function createHttpDataAdapter(opts?: { baseUrl?: string }): DataAdapter {
+  if (opts?.baseUrl) HttpDB.configure({ baseUrl: opts.baseUrl });
+  return {
+    checkHealth: async () => {
+      await HttpDB.checkHealth();
+    },
+    getAllConfigs: async () => HttpDB.get("/api/sfmc/configs/all"),
+    getModules: async () => HttpDB.get("/api/sfmc/modules"),
+    setAuthToken: (token: string) => {
+      HttpDB.setAuthToken(token);
+    },
+  };
+}
diff --git a/modules/sdk/@sfmc-sdk/src/module-loader/index.ts b/modules/sdk/@sfmc-sdk/src/module-loader/index.ts
index b9b186ca..76e66ff4 100644
--- a/modules/sdk/@sfmc-sdk/src/module-loader/index.ts
+++ b/modules/sdk/@sfmc-sdk/src/module-loader/index.ts
@@ -14,4 +14,5 @@ export type { ModuleLifecycle, ModuleDescriptor } from "./runtime.js";
 export { guardEvent, announceLoaded } from "./runtime.js";
 export { installHostBootstrap } from "./install.js";
 export type { InstallOptions, HostBackend, ModuleSurface } from "./install.js";
+export { createHttpDataAdapter } from "./http-data-adapter.js";
 export const SFMC_MODULE_LOADER_VERSION = "0.1.0" as const;
diff --git a/modules/sdk/@sfmc-sdk/src/module-loader/install.ts b/modules/sdk/@sfmc-sdk/src/module-loader/install.ts
index c87af554..c6e4a731 100644
--- a/modules/sdk/@sfmc-sdk/src/module-loader/install.ts
+++ b/modules/sdk/@sfmc-sdk/src/module-loader/install.ts
@@ -9,20 +9,19 @@
  *   1) system.beforeEvents.startup.subscribe:ConfigManager.init() + bootAll + snapshot
  *   2) world.afterEvents.worldLoad.subscribe:bootAfterWorldLoad
  *   3) system.beforeEvents.shutdown.subscribe:teardown
- *   4) bindDataAdapter():注入 db-server HTTP 适配器
+ *   4) bindDataAdapter():注入 db-server HTTP 适配器(DIP:经 DataAdapter)
  *   5) 注册 setModuleGuard 给 Command.trigger 使用
- *
- * 本批 (Stage A+B):占位实现,host adapters (Command/Permission/HttpDB 等) 在 Stage F
- *                  (core-* 模块迁移)完成后实装。
  */
 
 import { system, world } from "@minecraft/server";
+import { createHttpDataAdapter } from "./http-data-adapter.js";
+import type { DataAdapter } from "./internal/config-manager.js";
 import { ConfigManager } from "./internal/config-manager.js";
 import { ModuleRegistry } from "./runtime.js";
 
 export interface HostBackend {
   /** 注入 db-server 数据适配器 */
-  bindDataAdapter(adapter: unknown): void;
+  bindDataAdapter(adapter: DataAdapter): void;
   /** 关闭 db-server HTTP 客户端 */
   dispose(): void;
 }
@@ -38,6 +37,11 @@ export interface InstallOptions {
   dbServerUrl?: string;
   /** 可选注入自定义 HostBackend(测试用) */
   hostBackend?: HostBackend;
+  /**
+   * 测试/离线可注入自定义 DataAdapter;默认走 HttpDB 实现。
+   * 高层只依赖 DataAdapter 抽象(DIP),不直接依赖 HttpDB。
+   */
+  dataAdapter?: DataAdapter;
   /** 模块 id 列表(默认 undefined = 全部装载,从 catalog 读取) */
   enabledModuleIds?: readonly string[];
 }
@@ -45,16 +49,16 @@ export interface InstallOptions {
 let _installed = false;
 
 export function installHostBootstrap(options: InstallOptions = {}): HostBackend {
-  if (_installed) return _bootstrapStubBackend();
+  if (_installed) return _bootstrapBackend();
   _installed = true;
 
-  // 1) 占位 data adapter:Stage F 之前 ConsoleData 把 readAll 抛 NOT_IMPLEMENTED;
-  //    installHostBootstrap 仍然注册 hooks,只有 ConfigManager.init() 会失败 —
-  //    这是允许的中间形态。modules/src/index.ts 还可以装运行。
-  ConfigManager.bindDataAdapter(stubDataAdapter());
-  if (options.hostBackend) options.hostBackend.bindDataAdapter(undefined);
+  // DIP:ConfigManager ← DataAdapter;默认 HttpDB,可被 options 替换(测试/自定义 host)
+  const adapter =
+    options.dataAdapter ?? createHttpDataAdapter(options.dbServerUrl ? { baseUrl: options.dbServerUrl } : undefined);
+  ConfigManager.bindDataAdapter(adapter);
+  if (options.hostBackend) options.hostBackend.bindDataAdapter(adapter);
 
-  // 2) 装配 system.events
+  // 装配 system.events
   system.beforeEvents.startup.subscribe(async () => {
     try {
       await ConfigManager.init();
@@ -77,25 +81,18 @@ export function installHostBootstrap(options: InstallOptions = {}): HostBackend
     } catch {}
   });
 
-  return _bootstrapStubBackend();
+  return _bootstrapBackend();
 }
 
-function _bootstrapStubBackend(): HostBackend {
+function _bootstrapBackend(): HostBackend {
   return {
-    bindDataAdapter: () => undefined,
+    bindDataAdapter: (adapter: DataAdapter) => {
+      ConfigManager.bindDataAdapter(adapter);
+    },
     dispose: () => undefined,
   };
 }
 
-function stubDataAdapter() {
-  return {
-    checkHealth: async () => undefined,
-    getAllConfigs: async () => null,
-    getModules: async () => null,
-    setAuthToken: () => undefined,
-  };
-}
-
 function announceLoaded() {
   // runtime.ts 内的同名 export;此处仅为了不让 TS 报 unused 警告
   const _ref = announceLoadedExported;
diff --git a/modules/sdk/@sfmc-sdk/src/sapi/runtime/httpdb.ts b/modules/sdk/@sfmc-sdk/src/sapi/runtime/httpdb.ts
index 30bbf4db..330d3a12 100644
--- a/modules/sdk/@sfmc-sdk/src/sapi/runtime/httpdb.ts
+++ b/modules/sdk/@sfmc-sdk/src/sapi/runtime/httpdb.ts
@@ -11,9 +11,8 @@ import { system } from "@minecraft/server";
 import { http, HttpRequest, HttpRequestMethod } from "@minecraft/server-net";
 import { isSuccessfulHttpEnvelope } from "./http-envelope.js";
 
-const HOST = "127.0.0.1";
-const PORT = 3001;
-const BASE_URL = `http://${HOST}:${PORT}`;
+/** 默认连本机 db-server;可通过 configure / InstallOptions.dbServerUrl 覆盖(DIP)。 */
+let baseUrl = "http://127.0.0.1:3001";
 const TIMEOUT = 3;
 
 export class HttpDB {
@@ -21,6 +20,17 @@ export class HttpDB {
   private static _lastErrorLog = 0;
   private static authToken = "";
 
+  /** 注入 db-server 基址(如 http://127.0.0.1:4000),去掉末尾 /。 */
+  static configure(opts: { baseUrl?: string }): void {
+    if (opts.baseUrl) {
+      baseUrl = opts.baseUrl.replace(/\/+$/, "");
+    }
+  }
+
+  static getBaseUrl(): string {
+    return baseUrl;
+  }
+
   static setAuthToken(token: string): void {
     this.authToken = token.trim();
   }
@@ -51,10 +61,10 @@ export class HttpDB {
   static async checkHealth(): Promise<boolean> {
     for (let i = 0; i < 5; i++) {
       try {
-        const res = await http.get(`${BASE_URL}/api/health`);
+        const res = await http.get(`${baseUrl}/api/health`);
         this.available = res.status === 200;
         if (this.available) {
-          console.info(`[HttpDB] 数据库服务连接成功 (${BASE_URL}/api/health)`);
+          console.info(`[HttpDB] 数据库服务连接成功 (${baseUrl}/api/health)`);
           return true;
         }
         console.error(`[HttpDB] 数据库服务返回异常状态 ${res.status}`);
@@ -64,7 +74,7 @@ export class HttpDB {
           console.info(`[HttpDB] 连接失败，2s 后重试 (${i + 1}/5)...`);
           await system.waitTicks(40);
         } else {
-          console.error(`[HttpDB] 连接失败 (${BASE_URL}): ${err}`);
+          console.error(`[HttpDB] 连接失败 (${baseUrl}): ${err}`);
         }
       }
     }
@@ -89,7 +99,7 @@ export class HttpDB {
     bodyData?: Record<string, unknown>
   ): Promise<{ status: number; body: string }> {
     try {
-      const req = new HttpRequest(`${BASE_URL}${path}`);
+      const req = new HttpRequest(`${baseUrl}${path}`);
       req.timeout = TIMEOUT;
       req.method = method;