fix(agent-runner): validate clean marketplace onboarding

docs/agent-runner-pluginization/STATUS.md

@@ -20,7 +20,7 @@
 | Security boundary | Done | 当前口径降级为轻量边界：LangBot 保护自身持有资源；external harness 的 OS / process / network / workspace 风险由用户或部署环境承担；managed sandbox 不是当前承诺。 |
 | Steering control path | Done | claim 异常不再逃逸 consumer loop；queue 有上限；未 pull 的 claimed 输入在 run 结束时写 `steering.dropped` 审计终态。 |
 | SDK v1 contract closure | Done | SDK 提供 `AgentAPIError` / `AgentAPIException`、typed `SteeringPullResult`、未知 result type 宽容解析、result `sequence` 注入与取消传播。 |
-| EBA processor routing | Done; clean-instance catalog gate pending | Bot `event_bindings`、Pipeline / Agent 平级路由、WebUI dry-run / 合成测试 / 状态、OneBot 非消息事件到 Agent 及平台回复已闭环；全新实例 Runner Marketplace 用例仍需独立空白环境。 |
+| EBA processor routing | Done; release gate 5/5 pass | Bot `event_bindings`、Pipeline / Agent 平级路由、WebUI dry-run / 合成测试 / 状态、OneBot 非消息事件到 Agent 及平台回复已闭环；隔离空白实例已验证从 Space 安装并注册 LocalAgent。 |
 
 ## Spec 与实现已知差距
 
@@ -37,7 +37,7 @@
 
 | Runner | 状态 | 最近证据 |
 | --- | --- | --- |
-| `plugin:langbot-team/LocalAgent/default` | Unit-pass; UI smoke pending | 2026-06-10 本地 pytest / ruff 通过；WebUI smoke 由人工统一执行。 |
+| `plugin:langbot-team/LocalAgent/default` | Unit-pass; Marketplace UI pass | 2026-07-12 隔离 first-run 实例从真实 AgentRunner catalog 安装 `langbot-team/LocalAgent` 0.1.0，Host 注册 `plugin:langbot-team/LocalAgent/default`，Wizard 自动选中并解锁后续操作。此项不替代带真实模型的 Debug Chat 能力验收。 |
 | `plugin:langbot-team/ACPAgentRunner/default` / `plugin:langbot-team/ClaudeCodeAgent/default` / `plugin:langbot-team/CodexAgent/default` | Unit-pass; E2E pending | 通过 runner 仓库单测覆盖 session、run_id 注入和 LangBot MCP gateway；真实 harness E2E 取决于对应运行环境、CLI/daemon 可用性和 provider 登录态。 |
 | Dify / n8n / Coze / DashScope / Langflow / Tbox / DeerFlow / WeKnora | Unit-pass; credential smoke optional | 2026-06-13 plugin layout / parser tests 通过；真实服务凭据 smoke 非每轮必跑。 |
 
@@ -45,7 +45,7 @@
 
 | 范围 | 状态 | 最近证据 |
 | --- | --- | --- |
-| LangBot Runtime Control Plane v2 foundation | Unit-pass; EBA product flow pass | 2026-07-12 事件路由与 Agent 协议针对性测试通过；WebUI 已验证 Quick Start 场景筛选、事件路由 dry-run / 合成派发、Runner 健康状态，以及真实 OneBot `group.member_joined` → Agent → `send_group_msg` 链路。clean-instance Runner Marketplace 用例因当前实例已有插件与 runner 未执行。 |
+| LangBot Runtime Control Plane v2 foundation | Unit-pass; EBA release gate 5/5 pass | 2026-07-12 `eba-functional-20260712-release-gate-rerun` 通过 Quick Start 场景筛选、隔离实例 Runner Marketplace 安装、Runner 健康状态、事件路由 dry-run / 合成派发，以及真实 OneBot `group.member_joined` → Agent → `send_group_msg` 链路。 |
 | SDK AgentRunner control entities / proxy | Unit-pass | 2026-06-23 SDK `tests/api/entities/builtin/agent_runner`、`tests/api/proxies`、`tests/api/test_agent_tools_mcp_bridge.py`、`tests/runtime/plugin/test_mgr_agent_runner.py`、`tests/runtime/test_pull_api_handlers.py`、`tests/runtime/io/handlers/test_plugin_handler.py`、EBA event entities 和 message tests 通过，覆盖 typed entities、AgentRunAPIProxy、MCP bridge、runtime manager 与 pull API handlers。 |
 
 ## 历史高价值记录

skills/scripts/e2e/bot-event-routing-product-flow.mjs

@@ -106,14 +106,16 @@ try {
   const messageBehavior = page.getByRole("menuitem", {
     name: /Reply to messages|回复收到的消息|受信メッセージに返信/,
   });
+  const noEventRoutes = page.getByText(
+    /No event routes|暂无事件路由|イベントルートはありません/,
+    { exact: true },
+  );
+  await noEventRoutes.waitFor();
   await messageBehavior.waitFor();
   await page.waitForTimeout(250);
   await safeScreenshot(page, scenarioMenuScreenshot);
   await messageBehavior.click();
-  await page
-    .getByText(/Message received|收到消息|メッセージを受信/)
-    .first()
-    .waitFor();
+  await noEventRoutes.waitFor({ state: "hidden" });
   result.visible_signals.push("create-mode-routing", "scenario-route-added");
 
   const create = await apiJson(backendUrl, "/api/v1/platform/bots", {

skills/scripts/e2e/lib/isolated-langbot-instance.mjs

@@ -0,0 +1,200 @@
+import { execFile } from "node:child_process";
+import { closeSync, openSync } from "node:fs";
+import { mkdtemp, readFile, rm } from "node:fs/promises";
+import { createServer } from "node:net";
+import { tmpdir } from "node:os";
+import { dirname, join, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+import { promisify } from "node:util";
+import { spawn } from "node:child_process";
+import { pathExists, resolveLangBotRepo } from "./langbot-e2e.mjs";
+
+const execFileAsync = promisify(execFile);
+const proxyKeys = [
+  "ALL_PROXY",
+  "all_proxy",
+  "HTTP_PROXY",
+  "http_proxy",
+  "HTTPS_PROXY",
+  "https_proxy",
+];
+
+function withoutProxy(source = process.env) {
+  const next = { ...source };
+  for (const key of proxyKeys) delete next[key];
+  next.NO_PROXY = "127.0.0.1,localhost";
+  next.no_proxy = "127.0.0.1,localhost";
+  return next;
+}
+
+async function getFreePort() {
+  const server = createServer();
+  await new Promise((resolvePromise, reject) => {
+    server.once("error", reject);
+    server.listen(0, "127.0.0.1", resolvePromise);
+  });
+  const address = server.address();
+  const port = typeof address === "object" && address ? address.port : 0;
+  await new Promise((resolvePromise) => server.close(resolvePromise));
+  if (!port) throw new Error("Could not allocate an isolated LangBot port.");
+  return port;
+}
+
+async function waitForHttp(url, child, timeoutMs, label) {
+  const deadline = Date.now() + timeoutMs;
+  while (Date.now() < deadline) {
+    if (child.exitCode !== null) {
+      throw new Error(`${label} exited before becoming ready (code ${child.exitCode}).`);
+    }
+    try {
+      const response = await fetch(url, { redirect: "manual" });
+      if (response.status < 500) return response;
+    } catch {
+      // The service is still starting.
+    }
+    await new Promise((resolvePromise) => setTimeout(resolvePromise, 500));
+  }
+  throw new Error(`${label} did not become ready within ${timeoutMs}ms.`);
+}
+
+function spawnLogged(command, args, { cwd, env, logPath }) {
+  const logFd = openSync(logPath, "a");
+  try {
+    return spawn(command, args, {
+      cwd,
+      env,
+      detached: true,
+      stdio: ["ignore", logFd, logFd],
+    });
+  } finally {
+    closeSync(logFd);
+  }
+}
+
+async function stopProcess(child) {
+  if (!child || child.exitCode !== null) return;
+  const closed = new Promise((resolvePromise) => child.once("close", resolvePromise));
+  try {
+    process.kill(-child.pid, "SIGTERM");
+  } catch {
+    child.kill("SIGTERM");
+  }
+  const graceful = await Promise.race([
+    closed.then(() => true),
+    new Promise((resolvePromise) => setTimeout(() => resolvePromise(false), 5_000)),
+  ]);
+  if (graceful) return;
+  try {
+    process.kill(-child.pid, "SIGKILL");
+  } catch {
+    child.kill("SIGKILL");
+  }
+  await closed.catch(() => {});
+}
+
+async function initializeUser(backendUrl, user, password) {
+  const response = await fetch(`${backendUrl}/api/v1/user/init`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({ user, password }),
+  });
+  const payload = await response.json().catch(() => ({}));
+  if (response.status >= 400 || ![0, 1].includes(payload.code)) {
+    throw new Error(payload.msg || `Could not initialize isolated user (HTTP ${response.status}).`);
+  }
+}
+
+export async function startIsolatedLangBotInstance({ evidenceDir }) {
+  const repo = await resolveLangBotRepo();
+  const webRepo = process.env.LANGBOT_WEB_REPO || join(repo, "web");
+  const python = join(repo, ".venv", "bin", "python");
+  const configScript = resolve(
+    dirname(fileURLToPath(import.meta.url)),
+    "../prepare-isolated-langbot-config.py",
+  );
+  if (!(await pathExists(python))) throw new Error(`LangBot virtualenv Python is missing: ${python}`);
+  if (!(await pathExists(join(webRepo, "node_modules")))) {
+    throw new Error(`LangBot frontend dependencies are missing: ${join(webRepo, "node_modules")}`);
+  }
+
+  const [backendPort, frontendPort, pluginDebugPort] = await Promise.all([
+    getFreePort(),
+    getFreePort(),
+    getFreePort(),
+  ]);
+  const instanceRoot = await mkdtemp(join(tmpdir(), "langbot-clean-catalog-"));
+  const backendUrl = `http://127.0.0.1:${backendPort}`;
+  const frontendUrl = `http://127.0.0.1:${frontendPort}`;
+  const backendLog = join(evidenceDir, "isolated-backend.log");
+  const frontendLog = join(evidenceDir, "isolated-frontend.log");
+  const user = "langbot-e2e@example.invalid";
+  const password = "LangBotIsolatedE2E!2026";
+  let backend;
+  let frontend;
+
+  const stop = async () => {
+    await stopProcess(frontend);
+    await stopProcess(backend);
+    await rm(instanceRoot, { recursive: true, force: true });
+  };
+
+  try {
+    await execFileAsync(
+      python,
+      [
+        configScript,
+        "--instance-root",
+        instanceRoot,
+        "--port",
+        String(backendPort),
+        "--plugin-debug-port",
+        String(pluginDebugPort),
+      ],
+      { cwd: repo, env: withoutProxy(), timeout: 30_000 },
+    );
+
+    backend = spawnLogged(python, ["-m", "langbot"], {
+      cwd: instanceRoot,
+      env: {
+        ...withoutProxy(),
+        PYTHONPATH: join(repo, "src"),
+        LANGBOT_DATA_ROOT: join(instanceRoot, "data"),
+        API__PORT: String(backendPort),
+        API__WEBHOOK_PREFIX: backendUrl,
+        SPACE__DISABLE_TELEMETRY: "true",
+        SPACE__DISABLE_MODELS_SERVICE: "true",
+      },
+      logPath: backendLog,
+    });
+    await waitForHttp(`${backendUrl}/api/v1/system/info`, backend, 180_000, "Isolated LangBot backend");
+
+    const configText = await readFile(join(instanceRoot, "data", "config.yaml"), "utf8");
+    const recoveryKey = configText.match(/^\s*recovery_key:\s*['"]?([^'"\s#]+)['"]?\s*$/m)?.[1] || "";
+    if (!recoveryKey) throw new Error("Isolated LangBot did not generate a recovery key.");
+    await initializeUser(backendUrl, user, password);
+
+    frontend = spawnLogged(
+      "pnpm",
+      ["exec", "vite", "--host", "127.0.0.1", "--port", String(frontendPort), "--strictPort"],
+      {
+        cwd: webRepo,
+        env: { ...withoutProxy(), VITE_API_BASE_URL: backendUrl },
+        logPath: frontendLog,
+      },
+    );
+    await waitForHttp(frontendUrl, frontend, 60_000, "Isolated LangBot frontend");
+
+    return {
+      backendUrl,
+      frontendUrl,
+      recoveryKey,
+      user,
+      password,
+      logs: { backend: backendLog, frontend: frontendLog },
+      stop,
+    };
+  } catch (error) {
+    await stop();
+    throw error;
+  }
+}

skills/scripts/e2e/prepare-isolated-langbot-config.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import argparse
+import sys
+from pathlib import Path
+
+import yaml
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[3]
+sys.path.insert(0, str(PROJECT_ROOT))
+
+from tests.e2e.utils.config_factory import (  # noqa: E402
+    create_minimal_config,
+    create_test_directories,
+)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--instance-root', required=True, type=Path)
+    parser.add_argument('--port', required=True, type=int)
+    parser.add_argument('--plugin-debug-port', required=True, type=int)
+    args = parser.parse_args()
+
+    config_path = create_minimal_config(args.instance_root, port=args.port)
+    create_test_directories(args.instance_root)
+
+    with config_path.open('r', encoding='utf-8') as file:
+        config = yaml.safe_load(file)
+
+    config['plugin']['enable'] = True
+    config['plugin']['enable_marketplace'] = True
+    config['plugin']['display_plugin_debug_url'] = (
+        f'ws://127.0.0.1:{args.plugin_debug_port}/plugin/debug/ws'
+    )
+
+    with config_path.open('w', encoding='utf-8') as file:
+        yaml.safe_dump(config, file, allow_unicode=True, sort_keys=False)
+
+
+if __name__ == '__main__':
+    main()

skills/scripts/e2e/wizard-runner-marketplace-catalog.mjs

@@ -13,17 +13,20 @@ import {
   scanBrowserDiagnostics,
   writeResult,
 } from "./lib/langbot-e2e.mjs";
+import { startIsolatedLangBotInstance } from "./lib/isolated-langbot-instance.mjs";
 
 const caseId = "wizard-runner-marketplace-catalog";
 await loadEnvFiles();
 const paths = evidencePaths(caseId);
 await ensureEvidence(paths);
 const mobileScreenshot = paths.screenshot.replace(/\.png$/, "-mobile.png");
+const installedScreenshot = paths.screenshot.replace(/\.png$/, "-installed.png");
 
 const startedAt = new Date();
-const frontendUrl = process.env.LANGBOT_FRONTEND_URL || "";
-const backendUrl = process.env.LANGBOT_BACKEND_URL || "";
+let frontendUrl = "";
+let backendUrl = "";
 let browser;
+let isolated;
 let token = "";
 let botId = "";
 
@@ -41,13 +44,17 @@ const result = {
   visible_signals: [],
   api: {},
   marketplace_request: null,
+  marketplace_response: null,
   diagnostics: null,
   cleanup: {},
   evidence: {
     screenshot: paths.screenshot,
     mobile_screenshot: mobileScreenshot,
+    installed_screenshot: installedScreenshot,
     console_log: paths.consoleLog,
     network_log: paths.networkLog,
+    isolated_backend_log: `${paths.evidenceDir}/isolated-backend.log`,
+    isolated_frontend_log: `${paths.evidenceDir}/isolated-frontend.log`,
     automation_result_json: paths.automationResultJson,
     result_json: paths.resultJson,
   },
@@ -55,8 +62,15 @@ const result = {
 };
 
 try {
-  if (!frontendUrl) throw new Error("LANGBOT_FRONTEND_URL is not configured.");
-  if (!backendUrl) throw new Error("LANGBOT_BACKEND_URL is not configured.");
+  isolated = await startIsolatedLangBotInstance({
+    evidenceDir: paths.evidenceDir,
+  });
+  frontendUrl = isolated.frontendUrl;
+  backendUrl = isolated.backendUrl;
+  result.api.isolated_instance = {
+    backend_url: backendUrl,
+    frontend_url: frontendUrl,
+  };
 
   browser = await createBrowser(paths);
   const { page } = browser;
@@ -82,11 +96,35 @@ try {
       // The assertion below reports a missing or malformed catalog request.
     }
   });
+  page.on("response", async (response) => {
+    const pathname = new URL(response.url()).pathname;
+    if (!/\/api\/v1\/marketplace\/(extensions|plugins)\/search$/.test(pathname)) {
+      return;
+    }
+    try {
+      const payload = await response.json();
+      const entries = payload?.data?.extensions || payload?.data?.plugins || [];
+      const localAgent = entries.find(
+        (entry) => `${entry.author}/${entry.name}` === "langbot-team/LocalAgent",
+      );
+      result.marketplace_response = {
+        endpoint: pathname,
+        total: payload?.data?.total ?? entries.length,
+        local_agent_present: Boolean(localAgent),
+        local_agent_version: localAgent?.latest_version || null,
+      };
+    } catch {
+      // The UI assertions below surface malformed Marketplace responses.
+    }
+  });
 
   await page.goto(frontendUrl, { waitUntil: "domcontentloaded" });
   const auth = await ensureAuthenticatedBrowser(page, {
     frontendUrl,
     backendUrl,
+    user: isolated.user,
+    password: isolated.password,
+    recoveryKey: isolated.recoveryKey,
   });
   if (auth.status !== "pass") {
     result.status = auth.status;
@@ -174,12 +212,17 @@ try {
       exact: true,
     })
     .waitFor({ timeout: 15_000 });
-  await page
-    .getByText(
-      /No AgentRunner extensions are published yet|市场暂未发布 AgentRunner 扩展|AgentRunner 拡張機能はまだ公開されていません/,
-      { exact: true },
-    )
-    .waitFor({ timeout: 15_000 });
+  const localAgentIdentity = page.getByText("langbot-team/LocalAgent", {
+    exact: true,
+  });
+  await localAgentIdentity.waitFor({ timeout: 30_000 });
+  const localAgentCard = localAgentIdentity.locator(
+    "xpath=ancestor::*[@data-slot='card'][1]",
+  );
+  const installButton = localAgentCard.getByRole("button", {
+    name: /Install & Continue|安装并继续|インストールして続行/,
+  });
+  await installButton.waitFor();
   const browseLink = page.getByRole("link", {
     name: /Browse Runner Extensions|浏览运行器扩展|Runner 拡張機能を見る/,
   });
@@ -199,10 +242,19 @@ try {
       "Wizard did not request the AgentRunner Marketplace catalog.",
     );
   }
+  if (
+    !result.marketplace_response?.local_agent_present ||
+    !result.marketplace_response?.local_agent_version
+  ) {
+    throw new Error(
+      "The Marketplace catalog did not return an installable langbot-team/LocalAgent version.",
+    );
+  }
 
   result.visible_signals.push(
     "first-run-ai-engine-step",
-    "empty-runner-catalog-state",
+    "published-local-agent-runner",
+    "install-and-continue-action",
     "runner-marketplace-link",
     "next-disabled-without-runner",
   );
@@ -220,13 +272,73 @@ try {
   await safeScreenshot(page, mobileScreenshot);
   result.visible_signals.push("mobile-layout");
 
+  await page.setViewportSize({ width: 1440, height: 1000 });
+  await installButton.click();
+  const installingButton = localAgentCard.getByRole("button", {
+    name: /Installing\.\.\.|正在安装\.\.\.|インストール中\.\.\./,
+  });
+  await installingButton.waitFor({ timeout: 15_000 });
+  const installOutcome = await Promise.race([
+    nextButton
+      .click({ trial: true, timeout: 180_000 })
+      .then(() => "registered"),
+    installButton
+      .waitFor({ state: "visible", timeout: 180_000 })
+      .then(() => "failed"),
+  ]);
+  if (installOutcome === "failed") {
+    throw new Error("LocalAgent installation failed before Runner registration.");
+  }
+  if (await nextButton.isDisabled()) {
+    throw new Error("Create & Deploy remained disabled after LocalAgent installation.");
+  }
+
+  const [installedPluginsResponse, installedMetadataResponse] =
+    await Promise.all([
+      apiJson(backendUrl, "/api/v1/plugins", { token }),
+      apiJson(backendUrl, "/api/v1/pipelines/_/metadata", { token }),
+    ]);
+  const postInstallPlugins =
+    installedPluginsResponse.json.data?.plugins || [];
+  const installedRunnerStage = installedMetadataResponse.json.data?.configs
+    ?.find((config) => config.name === "ai")
+    ?.stages?.find((stage) => stage.name === "runner");
+  const installedRunnerOptions =
+    installedRunnerStage?.config?.find((item) => item.name === "id")?.options ||
+    [];
+  const localAgentInstalled = postInstallPlugins.some((plugin) => {
+    const metadata = plugin.manifest?.manifest?.metadata || {};
+    return `${metadata.author}/${metadata.name}` === "langbot-team/LocalAgent";
+  });
+  const localAgentRegistered = installedRunnerOptions.some(
+    (option) => option.name === "plugin:langbot-team/LocalAgent/default",
+  );
+  result.api.installed_state = {
+    plugin_count: postInstallPlugins.length,
+    runner_count: installedRunnerOptions.length,
+    local_agent_installed: localAgentInstalled,
+    local_agent_registered: localAgentRegistered,
+  };
+  if (!localAgentInstalled || !localAgentRegistered) {
+    throw new Error(
+      "LocalAgent installation completed in the UI but the plugin or Runner registration is missing.",
+    );
+  }
+  await safeScreenshot(page, installedScreenshot);
+  result.visible_signals.push(
+    "local-agent-installed",
+    "local-agent-runner-registered",
+    "local-agent-selected",
+    "create-and-deploy-enabled",
+  );
+
   result.diagnostics = await scanBrowserDiagnostics(paths);
   if (result.diagnostics.status !== "pass") {
     throw new Error(result.diagnostics.reason);
   }
   result.status = "pass";
   result.reason =
-    "A clean first-run instance requested the AgentRunner catalog, showed a safe empty state, and prevented continuing without a Runner.";
+    "A clean first-run instance discovered LocalAgent in the AgentRunner catalog, installed and registered it, selected it, and enabled Create & Deploy.";
 } catch (error) {
   if (!["blocked", "env_issue"].includes(result.status)) result.status = "fail";
   result.reason = result.reason || error.message;
@@ -270,6 +382,18 @@ try {
     result.reason = "The clean Wizard fixtures were not fully reset.";
   }
   if (browser) await browser.close().catch(() => {});
+  if (isolated) {
+    try {
+      await isolated.stop();
+      cleanup.isolated_instance_stopped = true;
+    } catch (error) {
+      cleanup.isolated_instance_stopped = false;
+      if (result.status === "pass") {
+        result.status = "fail";
+        result.reason = `Could not stop the isolated LangBot instance: ${error.message}`;
+      }
+    }
+  }
   const finishedAt = new Date();
   result.finished_at = finishedAt.toISOString();
   result.finished_at_local = localIsoWithOffset(finishedAt);

skills/skills.index.json

@@ -1705,7 +1705,7 @@
         },
         {
           "id": "wizard-runner-marketplace-catalog",
-          "title": "Quick Start discovers AgentRunner extensions on a clean instance",
+          "title": "Quick Start installs a published AgentRunner on a clean instance",
           "mode": "agent-browser",
           "area": "wizard",
           "type": "feature",

skills/skills/langbot-testing/cases/wizard-runner-marketplace-catalog.yaml

@@ -1,5 +1,5 @@
 id: wizard-runner-marketplace-catalog
-title: "Quick Start discovers AgentRunner extensions on a clean instance"
+title: "Quick Start installs a published AgentRunner on a clean instance"
 mode: agent-browser
 area: wizard
 type: feature
@@ -16,33 +16,31 @@ skills:
   - langbot-env-setup
   - langbot-testing
 env:
-  - LANGBOT_FRONTEND_URL
-  - LANGBOT_BACKEND_URL
-  - LANGBOT_E2E_LOGIN_USER
+  - LANGBOT_REPO
 automation: scripts/e2e/wizard-runner-marketplace-catalog.mjs
 automation_env:
-  - LANGBOT_FRONTEND_URL
-  - LANGBOT_BACKEND_URL
-  - LANGBOT_E2E_LOGIN_USER
+  - LANGBOT_REPO
   - LANGBOT_BROWSER_PROFILE
   - LANGBOT_CHROMIUM_EXECUTABLE
 preconditions:
-  - "The target is a newly initialized local instance with wizard_status=none."
-  - "No plugins or AgentRunner components are installed."
+  - "The local checkout can start an isolated backend and Vite frontend and can reach LangBot Space."
 steps:
-  - "Confirm the backend reports zero installed plugins and zero registered runners."
+  - "Start an isolated first-run instance and confirm zero installed plugins and zero registered runners."
   - "Resume Quick Start at the AI Engine step with a temporary disabled Bot."
   - "Confirm the browser requests Marketplace plugins with component_filter=AgentRunner."
-  - "When Space has not published Runner plugins, confirm the safe empty state and Runner Extensions link."
-  - "Confirm Create & Deploy remains disabled until a Runner is installed and selected."
+  - "Confirm langbot-team/LocalAgent is published with an installable version and the Runner Extensions link is correct."
+  - "Install LocalAgent and wait for plugin initialization and AgentRunner registration."
+  - "Confirm Create & Deploy is disabled before installation and enabled after LocalAgent is selected."
   - "Verify the layout at desktop and mobile widths."
 checks:
   - "API: The instance has zero installed plugins and zero registered runners."
   - "API: The instance wizard status is none."
   - "Network: Marketplace search uses component_filter=AgentRunner and type_filter=plugin."
-  - "UI: The AI Engine step remains usable when the Runner catalog is empty."
+  - "UI: The AI Engine step displays the published langbot-team/LocalAgent card."
+  - "Marketplace: LocalAgent includes latest_version so installation can proceed."
+  - "Runtime: LocalAgent installs and registers plugin:langbot-team/LocalAgent/default."
   - "UI: Browse Runner Extensions links to the AgentRunner-filtered market."
-  - "UI: Create & Deploy remains disabled without a selected Runner."
+  - "UI: Create & Deploy transitions from disabled to enabled only after Runner selection."
   - "Console: No unexpected frontend errors appear during the flow."
   - "Cleanup: Wizard progress and the temporary Bot are removed."
 evidence_required:
@@ -51,8 +49,8 @@ evidence_required:
   - console
   - api_diagnostic
 diagnostics:
-  - "This case validates the clean-instance discovery and empty state. Run the install continuation after Space publishes at least one AgentRunner plugin."
-  - "A Marketplace API response alone is not a pass; the empty or installable Runner UI must be visible."
+  - "The automation owns a temporary data root and random ports; it must not reuse or reset the developer instance."
+  - "A Marketplace API response alone is not a pass; LocalAgent must install and register through the visible Wizard flow."
 troubleshooting:
   - backend-not-listening
   - plugin-runtime-timeout

src/langbot/pkg/plugin/connector.py

@@ -9,6 +9,7 @@ from typing import Any
 import typing
 import os
 import sys
+from urllib.parse import urlparse
 import httpx
 import sqlalchemy
 import yaml
@@ -172,9 +173,20 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
             # cmd: lbp rt -s
             python_path = sys.executable
             env = os.environ.copy()
+            debug_url = self.ap.instance_config.data.get('plugin', {}).get(
+                'display_plugin_debug_url', 'ws://localhost:5401/plugin/debug/ws'
+            )
+            debug_port = self._runtime_debug_port_from_url(debug_url)
             self.ctrl = stdio_client_controller.StdioClientController(
                 command=python_path,
-                args=['-m', 'langbot_plugin.cli.__init__', 'rt', '-s'],
+                args=[
+                    '-m',
+                    'langbot_plugin.cli.__init__',
+                    'rt',
+                    '-s',
+                    '--ws-debug-port',
+                    str(debug_port),
+                ],
                 env=env,
             )
             task = self.ctrl.run(new_connection_callback)
@@ -184,6 +196,15 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
 
         asyncio.create_task(task)
 
+    @staticmethod
+    def _runtime_debug_port_from_url(debug_url: str) -> int:
+        """Extract the local plugin runtime debug port from its display URL."""
+        try:
+            parsed = urlparse(debug_url if '://' in debug_url else f'//{debug_url}')
+            return parsed.port or 5401
+        except (TypeError, ValueError):
+            return 5401
+
     async def initialize_plugins(self):
         pass
 

tests/unit_tests/plugin/test_connector_pure.py

@@ -141,3 +141,22 @@ class TestParsePluginId:
 
         with pytest.raises(ValueError):
             PluginRuntimeConnector._parse_plugin_id('')
+
+
+class TestRuntimeDebugPort:
+    """Tests for local runtime debug port selection."""
+
+    @pytest.mark.parametrize(
+        ('debug_url', 'expected'),
+        [
+            ('ws://localhost:5401/plugin/debug/ws', 5401),
+            ('http://127.0.0.1:15401', 15401),
+            ('localhost:25401', 25401),
+            ('', 5401),
+            ('ws://localhost:not-a-port/plugin/debug/ws', 5401),
+        ],
+    )
+    def test_runtime_debug_port_from_url(self, debug_url, expected):
+        from langbot.pkg.plugin.connector import PluginRuntimeConnector
+
+        assert PluginRuntimeConnector._runtime_debug_port_from_url(debug_url) == expected

web/src/app/infra/http/CloudServiceClient.ts

@@ -110,10 +110,21 @@ export class CloudServiceClient extends BaseHttpClient {
       '/api/v1/marketplace/extensions/search',
       data,
     )
-      .then((resp) => ({
-        plugins: resp?.extensions || [],
-        total: resp?.total || 0,
-      }))
+      .then((resp) => {
+        const extensions = resp?.extensions || [];
+        // Runner installation needs a concrete version. Older Space
+        // deployments omit it from the unified extension response.
+        if (
+          data.component_filter &&
+          extensions.some((extension) => !extension.latest_version)
+        ) {
+          return this.searchMarketplaceExtensionsLegacy(data);
+        }
+        return {
+          plugins: extensions,
+          total: resp?.total || 0,
+        };
+      })
       .catch(() => this.searchMarketplaceExtensionsLegacy(data));
   }