diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6dc68d2275a..c7bacc8504f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -330,6 +330,9 @@ jobs:
       - name: Smoke test CLI launcher status json
         run: node openclaw.mjs status --json --timeout 1
 
+      - name: Smoke test built bundled plugin singleton
+        run: pnpm test:build:singleton
+
       - name: Check CLI startup memory
         run: pnpm test:startup:memory
 
diff --git a/package.json b/package.json
index 473a4fcfefe..5dc22fb6bea 100644
--- a/package.json
+++ b/package.json
@@ -564,6 +564,7 @@
     "test": "node scripts/test-parallel.mjs",
     "test:all": "pnpm lint && pnpm build && pnpm test && pnpm test:e2e && pnpm test:live && pnpm test:docker:all",
     "test:auth:compat": "vitest run --config vitest.gateway.config.ts src/gateway/server.auth.compat-baseline.test.ts src/gateway/client.test.ts src/gateway/reconnect-gating.test.ts src/gateway/protocol/connect-error-details.test.ts",
+    "test:build:singleton": "node scripts/test-built-plugin-singleton.mjs",
     "test:channels": "vitest run --config vitest.channels.config.ts",
     "test:contracts": "pnpm test:contracts:channels && pnpm test:contracts:plugins",
     "test:contracts:channels": "OPENCLAW_TEST_PROFILE=low pnpm test -- src/channels/plugins/contracts",
diff --git a/scripts/test-built-plugin-singleton.mjs b/scripts/test-built-plugin-singleton.mjs
new file mode 100644
index 00000000000..04e11c5f900
--- /dev/null
+++ b/scripts/test-built-plugin-singleton.mjs
@@ -0,0 +1,143 @@
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { fileURLToPath, pathToFileURL } from "node:url";
+import { stageBundledPluginRuntime } from "./stage-bundled-plugin-runtime.mjs";
+
+const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+const smokeEntryPath = path.join(repoRoot, "dist", "plugins", "build-smoke-entry.js");
+assert.ok(fs.existsSync(smokeEntryPath), `missing build output: ${smokeEntryPath}`);
+
+const { clearPluginCommands, getPluginCommandSpecs, loadOpenClawPlugins, matchPluginCommand } =
+  await import(pathToFileURL(smokeEntryPath).href);
+
+assert.equal(typeof loadOpenClawPlugins, "function", "built loader export missing");
+assert.equal(typeof clearPluginCommands, "function", "clearPluginCommands missing");
+assert.equal(typeof getPluginCommandSpecs, "function", "getPluginCommandSpecs missing");
+assert.equal(typeof matchPluginCommand, "function", "matchPluginCommand missing");
+
+const tempRoot = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-build-smoke-"));
+
+function cleanup() {
+  clearPluginCommands();
+  fs.rmSync(tempRoot, { recursive: true, force: true });
+}
+
+process.on("exit", cleanup);
+process.on("SIGINT", () => {
+  cleanup();
+  process.exit(130);
+});
+process.on("SIGTERM", () => {
+  cleanup();
+  process.exit(143);
+});
+
+const pluginId = "build-smoke-plugin";
+const distPluginDir = path.join(tempRoot, "dist", "extensions", pluginId);
+fs.mkdirSync(distPluginDir, { recursive: true });
+fs.writeFileSync(path.join(tempRoot, "package.json"), '{ "type": "module" }\n', "utf8");
+fs.writeFileSync(
+  path.join(distPluginDir, "package.json"),
+  JSON.stringify(
+    {
+      name: "@openclaw/build-smoke-plugin",
+      type: "module",
+      openclaw: {
+        extensions: ["./index.js"],
+      },
+    },
+    null,
+    2,
+  ),
+  "utf8",
+);
+fs.writeFileSync(
+  path.join(distPluginDir, "openclaw.plugin.json"),
+  JSON.stringify(
+    {
+      id: pluginId,
+      configSchema: {
+        type: "object",
+        additionalProperties: false,
+        properties: {},
+      },
+    },
+    null,
+    2,
+  ),
+  "utf8",
+);
+fs.writeFileSync(
+  path.join(distPluginDir, "index.js"),
+  [
+    "import sdk from 'openclaw/plugin-sdk';",
+    "const { emptyPluginConfigSchema } = sdk;",
+    "",
+    "export default {",
+    `  id: ${JSON.stringify(pluginId)},`,
+    "  configSchema: emptyPluginConfigSchema(),",
+    "  register(api) {",
+    "    api.registerCommand({",
+    "      name: 'pair',",
+    "      description: 'Pair a device',",
+    "      acceptsArgs: true,",
+    "      nativeNames: { telegram: 'pair', discord: 'pair' },",
+    "      async handler({ args }) {",
+    "        return { text: `paired:${args ?? ''}` };",
+    "      },",
+    "    });",
+    "  },",
+    "};",
+    "",
+  ].join("\n"),
+  "utf8",
+);
+
+stageBundledPluginRuntime({ repoRoot: tempRoot });
+
+const runtimeEntryPath = path.join(tempRoot, "dist-runtime", "extensions", pluginId, "index.js");
+assert.ok(fs.existsSync(runtimeEntryPath), "runtime overlay entry missing");
+assert.equal(
+  fs.existsSync(path.join(tempRoot, "dist-runtime", "plugins", "commands.js")),
+  false,
+  "dist-runtime must not stage a duplicate commands module",
+);
+
+clearPluginCommands();
+
+const registry = loadOpenClawPlugins({
+  cache: false,
+  workspaceDir: tempRoot,
+  env: {
+    ...process.env,
+    OPENCLAW_BUNDLED_PLUGINS_DIR: path.join(tempRoot, "dist-runtime", "extensions"),
+    OPENCLAW_DISABLE_PLUGIN_DISCOVERY_CACHE: "1",
+  },
+  config: {
+    plugins: {
+      enabled: true,
+      allow: [pluginId],
+      entries: {
+        [pluginId]: { enabled: true },
+      },
+    },
+  },
+});
+
+const record = registry.plugins.find((entry) => entry.id === pluginId);
+assert.ok(record, "smoke plugin missing from registry");
+assert.equal(record.status, "loaded", record.error ?? "smoke plugin failed to load");
+
+assert.deepEqual(getPluginCommandSpecs("telegram"), [
+  { name: "pair", description: "Pair a device", acceptsArgs: true },
+]);
+
+const match = matchPluginCommand("/pair now");
+assert.ok(match, "canonical built command registry did not receive the command");
+assert.equal(match.args, "now");
+const result = await match.command.handler({ args: match.args });
+assert.deepEqual(result, { text: "paired:now" });
+
+process.stdout.write("[build-smoke] built plugin singleton smoke passed\n");
diff --git a/src/plugins/build-smoke-entry.ts b/src/plugins/build-smoke-entry.ts
new file mode 100644
index 00000000000..c4604dedfeb
--- /dev/null
+++ b/src/plugins/build-smoke-entry.ts
@@ -0,0 +1,7 @@
+export {
+  clearPluginCommands,
+  executePluginCommand,
+  getPluginCommandSpecs,
+  matchPluginCommand,
+} from "./commands.js";
+export { loadOpenClawPlugins } from "./loader.js";
diff --git a/tsdown.config.ts b/tsdown.config.ts
index 966e12afc10..48e69927f98 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -171,6 +171,7 @@ function buildCoreDistEntries(): Record<string, string> {
     "line/accounts": "src/line/accounts.ts",
     "line/send": "src/line/send.ts",
     "line/template-messages": "src/line/template-messages.ts",
+    "plugins/build-smoke-entry": "src/plugins/build-smoke-entry.ts",
     "plugins/runtime/index": "src/plugins/runtime/index.ts",
     "llm-slug-generator": "src/hooks/llm-slug-generator.ts",
   };