@fluojs/cli - npm Package Compare versions

Comparing version 1.0.4 to 1.0.5

dist/studio/runtime-config.d.ts

+export declare const STUDIO_DEVTOOLS_GLOBAL_CONFIG_KEY = "__FLUO_STUDIO_DEVTOOLS_CONFIG__";
+export interface StudioDevtoolsInjectedConfig {
+    FLUO_STUDIO: '1';
+    FLUO_STUDIO_APP_ID?: string;
+    FLUO_STUDIO_ENDPOINT?: string;
+    FLUO_STUDIO_EPOCH?: string;
+    FLUO_STUDIO_RUNTIME?: string;
+    FLUO_STUDIO_TOKEN: string;
+    FLUO_STUDIO_URL?: string;
+}
+/**
+ * Builds the explicit Studio config that CLI-owned dev boundaries inject into app children.
+ *
+ * Package runtime code must not read ambient environment state directly. The CLI sidecar still stores the
+ * generated app id/token/URL in child environment for process supervision, then this helper converts
+ * those values into a typed process-local config object before the app imports `@fluojs/runtime`.
+ */
+export declare function resolveStudioDevtoolsInjectedConfig(env: NodeJS.ProcessEnv): StudioDevtoolsInjectedConfig | undefined;
+export declare function createStudioDevtoolsNodeImport(env: NodeJS.ProcessEnv): string[];
+//# sourceMappingURL=runtime-config.d.ts.map

dist/studio/runtime-config.d.ts.map

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dist/studio/runtime-config.js

+export const STUDIO_DEVTOOLS_GLOBAL_CONFIG_KEY = '__FLUO_STUDIO_DEVTOOLS_CONFIG__';
+function isEnabledEnvironmentFlag(value) {
+  return value === '1' || value === 'true' || value === 'yes' || value === 'on';
+}
+function resolveStudioIngestEndpoint(env) {
+  if (env.FLUO_STUDIO_ENDPOINT) {
+    return env.FLUO_STUDIO_ENDPOINT;
+  }
+  if (!env.FLUO_STUDIO_URL) {
+    return undefined;
+  }
+  try {
+    return new URL('/api/runtime/events', env.FLUO_STUDIO_URL).toString();
+  } catch {
+    return undefined;
+  }
+}
+
+/**
+ * Builds the explicit Studio config that CLI-owned dev boundaries inject into app children.
+ *
+ * Package runtime code must not read ambient environment state directly. The CLI sidecar still stores the
+ * generated app id/token/URL in child environment for process supervision, then this helper converts
+ * those values into a typed process-local config object before the app imports `@fluojs/runtime`.
+ */
+export function resolveStudioDevtoolsInjectedConfig(env) {
+  if (!isEnabledEnvironmentFlag(env.FLUO_STUDIO) || !env.FLUO_STUDIO_TOKEN) {
+    return undefined;
+  }
+  const endpoint = resolveStudioIngestEndpoint(env);
+  if (!endpoint) {
+    return undefined;
+  }
+  return {
+    FLUO_STUDIO: '1',
+    FLUO_STUDIO_APP_ID: env.FLUO_STUDIO_APP_ID,
+    FLUO_STUDIO_ENDPOINT: endpoint,
+    FLUO_STUDIO_EPOCH: env.FLUO_STUDIO_EPOCH,
+    FLUO_STUDIO_RUNTIME: env.FLUO_STUDIO_RUNTIME,
+    FLUO_STUDIO_TOKEN: env.FLUO_STUDIO_TOKEN,
+    FLUO_STUDIO_URL: env.FLUO_STUDIO_URL
+  };
+}
+export function createStudioDevtoolsNodeImport(env) {
+  const config = resolveStudioDevtoolsInjectedConfig(env);
+  if (!config) {
+    return [];
+  }
+  const source = `Object.defineProperty(globalThis, ${JSON.stringify(STUDIO_DEVTOOLS_GLOBAL_CONFIG_KEY)}, { configurable: true, enumerable: false, writable: true, value: ${JSON.stringify(config)} });`;
+  return ['--import', `data:text/javascript,${encodeURIComponent(source)}`];
+}

dist/studio/sidecar.d.ts

+/**
+ * Defines Studio Sidecar Runtime values used by the Studio devtool.
+ */
+export type StudioSidecarRuntime = 'bun' | 'deno' | 'node' | 'unknown';
+/**
+ * Describes Studio Sidecar Options data used by the Studio devtool.
+ */
+export interface StudioSidecarOptions {
+    appId?: string;
+    heartbeatMs?: number;
+    host?: string;
+    port?: number;
+    runtime?: StudioSidecarRuntime;
+}
+/**
+ * Describes Studio Sidecar data used by the Studio devtool.
+ */
+export interface StudioSidecar {
+    readonly appId: string;
+    readonly epoch: string;
+    readonly env: NodeJS.ProcessEnv;
+    readonly host: string;
+    readonly port: number;
+    readonly token: string;
+    readonly url: string;
+    close(): Promise<void>;
+}
+/**
+ * Provides start Studio Sidecar behavior for the Studio devtool.
+ *
+ * @param options options value used by start Studio Sidecar.
+ * @returns The start Studio Sidecar result.
+ */
+export declare function startStudioSidecar(options?: StudioSidecarOptions): Promise<StudioSidecar>;
+//# sourceMappingURL=sidecar.d.ts.map

dist/studio/sidecar.d.ts.map

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dist/studio/sidecar.js

+import { randomBytes, randomUUID } from 'node:crypto';
+import { createReadStream, existsSync, readFileSync, statSync } from 'node:fs';
+import { createServer } from 'node:http';
+import { createRequire } from 'node:module';
+import { dirname, extname, join, normalize, relative, sep } from 'node:path';
+import { URL } from 'node:url';
+
+/**
+ * Defines Studio Sidecar Runtime values used by the Studio devtool.
+ */
+
+/**
+ * Describes Studio Sidecar Options data used by the Studio devtool.
+ */
+
+/**
+ * Describes Studio Sidecar data used by the Studio devtool.
+ */
+
+const DEFAULT_HOST = '127.0.0.1';
+const DEFAULT_HEARTBEAT_MS = 15_000;
+const MAX_EVENT_REPLAY = 1_000;
+const MAX_REQUEST_BYTES = 1_048_576;
+const require = createRequire(import.meta.url);
+function isRecord(value) {
+  return typeof value === 'object' && value !== null;
+}
+function isRestartEpochBoundary(incoming) {
+  if (incoming.type !== 'restart' || !isRecord(incoming.payload)) {
+    return false;
+  }
+  return incoming.payload.phase === 'scheduled' || incoming.payload.phase === 'starting';
+}
+function createToken() {
+  return randomBytes(24).toString('base64url');
+}
+function createEpoch() {
+  return randomUUID();
+}
+function createDefaultAppId() {
+  return `fluo-app-${process.pid}`;
+}
+function readBody(request) {
+  return new Promise((resolve, reject) => {
+    let body = '';
+    request.setEncoding('utf8');
+    request.on('data', chunk => {
+      body += chunk;
+      if (body.length > MAX_REQUEST_BYTES) {
+        reject(new Error('Studio event payload is too large.'));
+        request.destroy();
+      }
+    });
+    request.on('end', () => resolve(body));
+    request.on('error', reject);
+  });
+}
+function writeJson(response, statusCode, payload) {
+  response.writeHead(statusCode, {
+    'cache-control': 'no-store',
+    'content-type': 'application/json; charset=utf-8'
+  });
+  response.end(JSON.stringify(payload));
+}
+function writeText(response, statusCode, body, contentType = 'text/plain; charset=utf-8') {
+  response.writeHead(statusCode, {
+    'cache-control': 'no-store',
+    'content-type': contentType
+  });
+  response.end(body);
+}
+function contentTypeForPath(pathname) {
+  switch (extname(pathname)) {
+    case '.css':
+      return 'text/css; charset=utf-8';
+    case '.html':
+      return 'text/html; charset=utf-8';
+    case '.js':
+      return 'text/javascript; charset=utf-8';
+    case '.json':
+      return 'application/json; charset=utf-8';
+    case '.map':
+      return 'application/json; charset=utf-8';
+    case '.svg':
+      return 'image/svg+xml';
+    case '.woff2':
+      return 'font/woff2';
+    default:
+      return 'application/octet-stream';
+  }
+}
+function resolveStudioViewerPath() {
+  try {
+    const viewerPath = require.resolve('@fluojs/studio/viewer');
+    return existsSync(viewerPath) ? viewerPath : undefined;
+  } catch {
+    return undefined;
+  }
+}
+function injectStudioConfig(html, options) {
+  const configScript = `<script>window.__FLUO_STUDIO__ = ${JSON.stringify(options).replaceAll('<', '\\u003c')};</script>`;
+  if (html.includes('</head>')) {
+    return html.replace('</head>', `  ${configScript}\n</head>`);
+  }
+  return `${configScript}\n${html}`;
+}
+function safeAssetPath(rootDirectory, pathname) {
+  let decodedPath;
+  try {
+    decodedPath = decodeURIComponent(pathname);
+  } catch {
+    return undefined;
+  }
+  const normalized = normalize(decodedPath).replace(/^[/\\]+/, '');
+  const candidate = join(rootDirectory, normalized);
+  const relativePath = relative(rootDirectory, candidate);
+  if (relativePath.startsWith('..') || relativePath.split(sep).includes('..')) {
+    return undefined;
+  }
+  return candidate;
+}
+function serveStudioAsset(response, rootDirectory, pathname) {
+  const assetPath = safeAssetPath(rootDirectory, pathname);
+  if (!assetPath || !existsSync(assetPath)) {
+    return false;
+  }
+  const stats = statSync(assetPath);
+  if (!stats.isFile()) {
+    return false;
+  }
+  response.writeHead(200, {
+    'cache-control': 'no-store',
+    'content-length': String(stats.size),
+    'content-type': contentTypeForPath(assetPath)
+  });
+  createReadStream(assetPath).pipe(response);
+  return true;
+}
+function extractBearerToken(request) {
+  const authorization = request.headers.authorization;
+  if (typeof authorization !== 'string') {
+    return undefined;
+  }
+  const [scheme, token] = authorization.split(' ');
+  return scheme.toLowerCase() === 'bearer' && token ? token : undefined;
+}
+function requestToken(request, url) {
+  return extractBearerToken(request) ?? url.searchParams.get('token') ?? undefined;
+}
+function isAuthorized(request, url, token) {
+  return requestToken(request, url) === token;
+}
+function parseAfterSequence(url, request, epoch) {
+  const after = url.searchParams.get('after') ?? request.headers['last-event-id'];
+  const value = Array.isArray(after) ? after[0] : after;
+  if (!value) {
+    return 0;
+  }
+  if (/^\d+$/.test(value)) {
+    return Number(value);
+  }
+  const [eventEpoch, sequence] = value.split(':');
+  if (eventEpoch === epoch && /^\d+$/.test(sequence)) {
+    return Number(sequence);
+  }
+  return 0;
+}
+function writeSseEvent(response, event) {
+  response.write(`id: ${event.eventId}\n`);
+  response.write(`event: ${event.type}\n`);
+  response.write(`data: ${JSON.stringify(event)}\n\n`);
+}
+function renderStudioShell(options) {
+  const viewerPath = resolveStudioViewerPath();
+  if (viewerPath) {
+    return injectStudioConfig(readFileSync(viewerPath, 'utf8'), options);
+  }
+  const config = JSON.stringify(options).replaceAll('<', '\\u003c');
+  return `<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>Fluo Studio</title>
+  <style>
+    :root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
+    body { margin: 0; background: #0a0f1d; color: #dbeafe; }
+    main { min-height: 100vh; display: grid; place-items: center; padding: 32px; }
+    section { max-width: 760px; border: 1px solid rgba(148, 163, 184, 0.22); border-radius: 24px; padding: 32px; background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.82)); box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28); }
+    h1 { margin: 0 0 12px; font-size: 34px; letter-spacing: -0.04em; }
+    p { color: #94a3b8; line-height: 1.7; }
+    code { color: #93c5fd; }
+  </style>
+</head>
+<body>
+  <main>
+    <section>
+      <h1>Fluo Studio sidecar is live</h1>
+      <p>This token-protected local sidecar is receiving runtime events. The React Studio UI will attach to <code>/api/events</code> in the next package layer.</p>
+      <p>Config: <code id="config"></code></p>
+    </section>
+  </main>
+  <script>window.__FLUO_STUDIO__ = ${config}; document.getElementById('config').textContent = JSON.stringify(window.__FLUO_STUDIO__);</script>
+</body>
+</html>`;
+}
+
+/**
+ * Provides start Studio Sidecar behavior for the Studio devtool.
+ *
+ * @param options options value used by start Studio Sidecar.
+ * @returns The start Studio Sidecar result.
+ */
+export async function startStudioSidecar(options = {}) {
+  const host = options.host ?? DEFAULT_HOST;
+  const appId = options.appId ?? createDefaultAppId();
+  const runtime = options.runtime ?? 'node';
+  let epoch = createEpoch();
+  const token = createToken();
+  const events = [];
+  const clients = new Set();
+  let sequence = 0;
+  const startedAt = performance.now();
+  const publish = incoming => {
+    if (isRestartEpochBoundary(incoming)) {
+      epoch = createEpoch();
+    }
+    sequence += 1;
+    const source = isRecord(incoming.source) ? incoming.source : undefined;
+    const sourceAppId = typeof source?.appId === 'string' && source.appId.length > 0 ? source.appId : appId;
+    const sourceRuntime = source?.runtime === 'bun' || source?.runtime === 'deno' || source?.runtime === 'node' ? source.runtime : runtime;
+    const event = {
+      emittedAt: new Date().toISOString(),
+      epoch,
+      eventId: `${epoch}:${String(sequence)}`,
+      payload: incoming.payload ?? {},
+      sequence,
+      source: {
+        appId: sourceAppId,
+        runtime: sourceRuntime
+      },
+      type: typeof incoming.type === 'string' && incoming.type.length > 0 ? incoming.type : 'diagnostic',
+      version: 1
+    };
+    events.push(event);
+    if (events.length > MAX_EVENT_REPLAY) {
+      events.splice(0, events.length - MAX_EVENT_REPLAY);
+    }
+    for (const client of clients) {
+      writeSseEvent(client.response, event);
+    }
+    return event;
+  };
+  const server = createServer(async (request, response) => {
+    const requestUrl = new URL(request.url ?? '/', `http://${host}`);
+    const viewerPath = resolveStudioViewerPath();
+    if (request.method === 'GET' && requestUrl.pathname.startsWith('/assets/') && viewerPath) {
+      if (serveStudioAsset(response, dirname(viewerPath), requestUrl.pathname)) {
+        return;
+      }
+    }
+    if (!isAuthorized(request, requestUrl, token)) {
+      writeJson(response, 401, {
+        error: 'Unauthorized Studio sidecar request.'
+      });
+      return;
+    }
+    if (request.method === 'GET' && requestUrl.pathname === '/') {
+      const tokenQuery = encodeURIComponent(token);
+      writeText(response, 200, renderStudioShell({
+        eventsUrl: `/api/events?token=${tokenQuery}`,
+        stateUrl: `/api/state?token=${tokenQuery}`
+      }), 'text/html; charset=utf-8');
+      return;
+    }
+    if (request.method === 'GET' && requestUrl.pathname === '/api/state') {
+      writeJson(response, 200, {
+        appId,
+        clientCount: clients.size,
+        epoch,
+        events,
+        sequence
+      });
+      return;
+    }
+    if (request.method === 'GET' && requestUrl.pathname === '/api/events') {
+      response.writeHead(200, {
+        'cache-control': 'no-cache, no-transform',
+        connection: 'keep-alive',
+        'content-type': 'text/event-stream; charset=utf-8',
+        'x-accel-buffering': 'no'
+      });
+      response.write(': fluo studio stream ready\n\n');
+      const afterSequence = requestUrl.searchParams.get('replay') === '0' ? sequence : parseAfterSequence(requestUrl, request, epoch);
+      for (const event of events) {
+        if (event.sequence > afterSequence) {
+          writeSseEvent(response, event);
+        }
+      }
+      const client = {
+        response
+      };
+      clients.add(client);
+      request.on('close', () => {
+        clients.delete(client);
+      });
+      return;
+    }
+    if (request.method === 'POST' && requestUrl.pathname === '/api/runtime/events') {
+      try {
+        const body = await readBody(request);
+        const parsed = body ? JSON.parse(body) : {};
+        if (!isRecord(parsed)) {
+          writeJson(response, 400, {
+            error: 'Studio runtime event must be a JSON object.'
+          });
+          return;
+        }
+        const event = publish(parsed);
+        writeJson(response, 202, {
+          accepted: true,
+          epoch: event.epoch,
+          sequence: event.sequence
+        });
+      } catch (error) {
+        writeJson(response, 400, {
+          error: error instanceof Error ? error.message : String(error)
+        });
+      }
+      return;
+    }
+    writeJson(response, 404, {
+      error: 'Unknown Studio sidecar route.'
+    });
+  });
+  const heartbeat = options.heartbeatMs === 0 ? undefined : setInterval(() => {
+    publish({
+      payload: {
+        uptimeMs: Number((performance.now() - startedAt).toFixed(3))
+      },
+      source: {
+        appId,
+        runtime
+      },
+      type: 'heartbeat'
+    });
+  }, options.heartbeatMs ?? DEFAULT_HEARTBEAT_MS);
+  heartbeat?.unref();
+  await new Promise((resolve, reject) => {
+    server.once('error', reject);
+    server.listen(options.port ?? 0, host, () => {
+      server.off('error', reject);
+      resolve();
+    });
+  });
+  const address = server.address();
+  if (!address || typeof address === 'string') {
+    await closeServer(server, clients, heartbeat);
+    throw new Error('Failed to resolve Studio sidecar address.');
+  }
+  const url = `http://${host}:${String(address.port)}`;
+  return {
+    appId,
+    get epoch() {
+      return epoch;
+    },
+    env: {
+      FLUO_STUDIO: '1',
+      FLUO_STUDIO_APP_ID: appId,
+      FLUO_STUDIO_EPOCH: epoch,
+      FLUO_STUDIO_RUNTIME: runtime,
+      FLUO_STUDIO_TOKEN: token,
+      FLUO_STUDIO_URL: url
+    },
+    host,
+    port: address.port,
+    token,
+    url,
+    async close() {
+      await closeServer(server, clients, heartbeat);
+    }
+  };
+}
+async function closeServer(server, clients, heartbeat) {
+  if (heartbeat) {
+    clearInterval(heartbeat);
+  }
+  for (const client of clients) {
+    client.response.end();
+  }
+  clients.clear();
+  await new Promise((resolve, reject) => {
+    server.close(error => {
+      if (error) {
+        reject(error);
+        return;
+      }
+      resolve();
+    });
+  });
+}

dist/cli.d.ts

 import { type InspectCommandRuntimeOptions } from './commands/inspect.js';
 import { type NewCommandRuntimeOptions } from './commands/new.js';
+import type { startStudioSidecar } from './studio/sidecar.js';
 import { type CliUpdateCheckRuntimeOptions } from './update-check.js';
@@ -26,2 +27,3 @@ type CliStream = {
     }) => Promise<number>;
+    startStudioSidecar?: typeof startStudioSidecar;
     stderr?: CliStream;
@@ -28,0 +30,0 @@ stdin?: CliReadableStream;

dist/cli.d.ts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"cli.d.ts","sourceRoot":"","sources":["../src/cli.ts"],"names":[],"mappings":"AAMA,OAAO,EAAE,KAAK,4BAA4B,EAAmC,MAAM,uBAAuB,CAAC;AAE3G,OAAO,EAAE,KAAK,wBAAwB,EAA2B,MAAM,mBAAmB,CAAC;AAO3F,OAAO,EAAE,KAAK,4BAA4B,EAA6C,MAAM,mBAAmB,CAAC;AAEjH,KAAK,SAAS,GAAG;IACf,KAAK,CAAC,EAAE,OAAO,CAAC;IAChB,KAAK,CAAC,OAAO,EAAE,MAAM,GAAG,OAAO,CAAC;CACjC,CAAC;AAEF,KAAK,iBAAiB,GAAG;IACvB,KAAK,CAAC,EAAE,OAAO,CAAC;CACjB,CAAC;AAEF;;GAEG;AACH,MAAM,WAAW,iBAAiB;IAChC,EAAE,CAAC,EAAE,OAAO,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC,UAAU,CAAC;IACxB,aAAa,CAAC,EAAE,CAAC,WAAW,EAAE,MAAM,KAAK,OAAO,CAAC,MAAM,CAAC,MAAM,EAAE,MAAM,CAAC,GAAG,SAAS,CAAC,CAAC;IACrF,YAAY,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,EAAE;QAAE,GAAG,EAAE,MAAM,CAAC;QAAC,GAAG,EAAE,MAAM,CAAC,UAAU,CAAC;QAAC,MAAM,CAAC,EAAE,SAAS,CAAC;QAAC,KAAK,EAAE,SAAS,GAAG,MAAM,CAAC;QAAC,MAAM,CAAC,EAAE,SAAS,CAAA;KAAE,KAAK,OAAO,CAAC,MAAM,CAAC,CAAC;IACzL,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,KAAK,CAAC,EAAE,iBAAiB,CAAC;IAC1B,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,WAAW,CAAC,EAAE,KAAK,GAAG,4BAA4B,CAAC;CACpD;AA4ZD;;;;;;;;;;;;;;;;;;;;;GAqBG;AACH,wBAAsB,MAAM,CAC1B,IAAI,WAAwB,EAC5B,OAAO,GAAE,iBAAiB,GAAG,wBAAwB,GAAG,4BAAiC,GACxF,OAAO,CAAC,MAAM,CAAC,CAuNjB"}
+{"version":3,"file":"cli.d.ts","sourceRoot":"","sources":["../src/cli.ts"],"names":[],"mappings":"AAMA,OAAO,EAAE,KAAK,4BAA4B,EAAmC,MAAM,uBAAuB,CAAC;AAE3G,OAAO,EAAE,KAAK,wBAAwB,EAA2B,MAAM,mBAAmB,CAAC;AAI3F,OAAO,KAAK,EAAE,kBAAkB,EAAE,MAAM,qBAAqB,CAAC;AAI9D,OAAO,EAAE,KAAK,4BAA4B,EAA6C,MAAM,mBAAmB,CAAC;AAEjH,KAAK,SAAS,GAAG;IACf,KAAK,CAAC,EAAE,OAAO,CAAC;IAChB,KAAK,CAAC,OAAO,EAAE,MAAM,GAAG,OAAO,CAAC;CACjC,CAAC;AAEF,KAAK,iBAAiB,GAAG;IACvB,KAAK,CAAC,EAAE,OAAO,CAAC;CACjB,CAAC;AAEF;;GAEG;AACH,MAAM,WAAW,iBAAiB;IAChC,EAAE,CAAC,EAAE,OAAO,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC,UAAU,CAAC;IACxB,aAAa,CAAC,EAAE,CAAC,WAAW,EAAE,MAAM,KAAK,OAAO,CAAC,MAAM,CAAC,MAAM,EAAE,MAAM,CAAC,GAAG,SAAS,CAAC,CAAC;IACrF,YAAY,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,EAAE;QAAE,GAAG,EAAE,MAAM,CAAC;QAAC,GAAG,EAAE,MAAM,CAAC,UAAU,CAAC;QAAC,MAAM,CAAC,EAAE,SAAS,CAAC;QAAC,KAAK,EAAE,SAAS,GAAG,MAAM,CAAC;QAAC,MAAM,CAAC,EAAE,SAAS,CAAA;KAAE,KAAK,OAAO,CAAC,MAAM,CAAC,CAAC;IACzL,kBAAkB,CAAC,EAAE,OAAO,kBAAkB,CAAC;IAC/C,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,KAAK,CAAC,EAAE,iBAAiB,CAAC;IAC1B,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,WAAW,CAAC,EAAE,KAAK,GAAG,4BAA4B,CAAC;CACpD;AA4ZD;;;;;;;;;;;;;;;;;;;;;GAqBG;AACH,wBAAsB,MAAM,CAC1B,IAAI,WAAwB,EAC5B,OAAO,GAAE,iBAAiB,GAAG,wBAAwB,GAAG,4BAAiC,GACxF,OAAO,CAAC,MAAM,CAAC,CAuNjB"}

dist/commands/scripts.d.ts

@@ -0,1 +1,2 @@
+import { startStudioSidecar } from '../studio/sidecar.js';
 type CliStream = {
@@ -17,2 +18,3 @@ isTTY?: boolean;
     spawnCommand?: (command: string, args: string[], options: SpawnCommandOptions) => Promise<number>;
+    startStudioSidecar?: typeof startStudioSidecar;
     stderr?: CliStream;
@@ -19,0 +21,0 @@ stdout?: CliStream;

dist/commands/scripts.d.ts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"scripts.d.ts","sourceRoot":"","sources":["../../src/commands/scripts.ts"],"names":[],"mappings":"AAMA,KAAK,SAAS,GAAG;IACf,KAAK,CAAC,EAAE,OAAO,CAAC;IAChB,KAAK,CAAC,OAAO,EAAE,MAAM,GAAG,OAAO,CAAC;CACjC,CAAC;AAMF,KAAK,mBAAmB,GAAG;IACzB,GAAG,EAAE,MAAM,CAAC;IACZ,GAAG,EAAE,MAAM,CAAC,UAAU,CAAC;IACvB,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,KAAK,EAAE,SAAS,GAAG,MAAM,CAAC;IAC1B,MAAM,CAAC,EAAE,SAAS,CAAC;CACpB,CAAC;AAEF,KAAK,oBAAoB,GAAG;IAC1B,EAAE,CAAC,EAAE,OAAO,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC,UAAU,CAAC;IACxB,YAAY,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,EAAE,mBAAmB,KAAK,OAAO,CAAC,MAAM,CAAC,CAAC;IAClG,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,MAAM,CAAC,EAAE,SAAS,CAAC;CACpB,CAAC;AAGF,KAAK,aAAa,GAAG,OAAO,GAAG,KAAK,GAAG,OAAO,CAAC;AA4c/C;;;;;GAKG;AACH,wBAAgB,WAAW,CAAC,OAAO,EAAE,aAAa,GAAG,MAAM,CAmB1D;AAED;;;;;;;GAOG;AACH,wBAAsB,gBAAgB,CAAC,OAAO,EAAE,aAAa,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,GAAE,oBAAyB,GAAG,OAAO,CAAC,MAAM,CAAC,CAyElI"}
+{"version":3,"file":"scripts.d.ts","sourceRoot":"","sources":["../../src/commands/scripts.ts"],"names":[],"mappings":"AAKA,OAAO,EAAE,kBAAkB,EAAiD,MAAM,sBAAsB,CAAC;AAGzG,KAAK,SAAS,GAAG;IACf,KAAK,CAAC,EAAE,OAAO,CAAC;IAChB,KAAK,CAAC,OAAO,EAAE,MAAM,GAAG,OAAO,CAAC;CACjC,CAAC;AAMF,KAAK,mBAAmB,GAAG;IACzB,GAAG,EAAE,MAAM,CAAC;IACZ,GAAG,EAAE,MAAM,CAAC,UAAU,CAAC;IACvB,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,KAAK,EAAE,SAAS,GAAG,MAAM,CAAC;IAC1B,MAAM,CAAC,EAAE,SAAS,CAAC;CACpB,CAAC;AAEF,KAAK,oBAAoB,GAAG;IAC1B,EAAE,CAAC,EAAE,OAAO,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC;IACb,GAAG,CAAC,EAAE,MAAM,CAAC,UAAU,CAAC;IACxB,YAAY,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,EAAE,mBAAmB,KAAK,OAAO,CAAC,MAAM,CAAC,CAAC;IAClG,kBAAkB,CAAC,EAAE,OAAO,kBAAkB,CAAC;IAC/C,MAAM,CAAC,EAAE,SAAS,CAAC;IACnB,MAAM,CAAC,EAAE,SAAS,CAAC;CACpB,CAAC;AAGF,KAAK,aAAa,GAAG,OAAO,GAAG,KAAK,GAAG,OAAO,CAAC;AAulB/C;;;;;GAKG;AACH,wBAAgB,WAAW,CAAC,OAAO,EAAE,aAAa,GAAG,MAAM,CAqB1D;AAED;;;;;;;GAOG;AACH,wBAAsB,gBAAgB,CAAC,OAAO,EAAE,aAAa,EAAE,IAAI,EAAE,MAAM,EAAE,EAAE,OAAO,GAAE,oBAAyB,GAAG,OAAO,CAAC,MAAM,CAAC,CAsFlI"}

dist/commands/scripts.js

@@ -5,2 +5,4 @@ import { spawn } from 'node:child_process';
 import { fileURLToPath } from 'node:url';
+import { createStudioDevtoolsNodeImport } from '../studio/runtime-config.js';
+import { startStudioSidecar } from '../studio/sidecar.js';
 import { SUPPORTED_PACKAGE_MANAGERS } from './package-manager.js';
@@ -245,15 +247,14 @@ const EMPTY_ENV = {};
 }
-function withPipedAppColorTtyBootstrap(steps, env) {
-  if (env[PRETTY_TTY_COLOR_ENV] !== '1') {
-    return steps;
-  }
+function withPipedAppBootstrapImports(steps, env) {
   return steps.map(step => {
     const preserveColorTtyImport = getPreserveColorTtyImport();
-    if (step.command === 'node' && step.mode !== 'fluo-restart') {
+    const colorImport = env[PRETTY_TTY_COLOR_ENV] === '1' ? ['--import', preserveColorTtyImport] : [];
+    const studioDevtoolsImport = step.mode === 'fluo-restart' ? [] : createStudioDevtoolsNodeImport(env);
+    if (step.command === 'node') {
       return {
         ...step,
-        args: ['--import', preserveColorTtyImport, ...step.args]
+        args: [...colorImport, ...studioDevtoolsImport, ...step.args]
       };
     }
-    if (step.command === 'bun' && (step.mode === 'runtime-native-watch' || step.args[0] === 'dist/main.js')) {
+    if (env[PRETTY_TTY_COLOR_ENV] === '1' && step.command === 'bun' && (step.mode === 'runtime-native-watch' || step.args[0] === 'dist/main.js')) {
       return {
@@ -273,2 +274,4 @@ ...step,
   let reporter = 'auto';
+  let studio = false;
+  let studioPort;
   let verbose = false;
@@ -314,2 +317,20 @@ const passThrough = [];
     }
+    if (arg === '--studio') {
+      studio = true;
+      continue;
+    }
+    if (arg === '--studio-port') {
+      const value = argv[index + 1];
+      if (!value || value.startsWith('-')) {
+        throw new Error('Expected --studio-port to have a value.');
+      }
+      const parsedPort = Number(value);
+      if (!Number.isInteger(parsedPort) || parsedPort < 0 || parsedPort > 65_535) {
+        throw new Error('Invalid --studio-port value. Use a TCP port between 0 and 65535.');
+      }
+      studio = true;
+      studioPort = parsedPort;
+      index += 1;
+      continue;
+    }
     if (arg === '--package-manager') {
@@ -340,2 +361,4 @@ const value = argv[index + 1];
     reporter,
+    studio,
+    studioPort,
     verbose
@@ -366,2 +389,33 @@ };
 }
+function projectRuntimeToStudioRuntime(runtime) {
+  if (runtime === 'bun' || runtime === 'deno' || runtime === 'node') {
+    return runtime;
+  }
+  return 'unknown';
+}
+function projectDisplayName(project) {
+  return typeof project.manifest.name === 'string' && project.manifest.name.length > 0 ? project.manifest.name : project.directory.split(/[\\/]/).filter(Boolean).at(-1) ?? 'fluo-app';
+}
+function assertStudioSupport(command, studio, projectRuntime, _devRunner) {
+  if (!studio) {
+    return;
+  }
+  if (command !== 'dev') {
+    throw new Error('--studio is only supported for fluo dev.');
+  }
+  if (projectRuntime !== 'node') {
+    throw new Error(`fluo dev --studio currently supports Node dev runner projects only. ${projectRuntime} Studio support remains experimental until a dedicated bridge is implemented and verified.`);
+  }
+}
+function withStudioDryRunEnv(env, project, projectRuntime) {
+  return {
+    ...env,
+    FLUO_STUDIO: '1',
+    FLUO_STUDIO_APP_ID: projectDisplayName(project),
+    FLUO_STUDIO_EPOCH: '<generated-at-runtime>',
+    FLUO_STUDIO_RUNTIME: projectRuntimeToStudioRuntime(projectRuntime),
+    FLUO_STUDIO_TOKEN: '<generated-at-runtime>',
+    FLUO_STUDIO_URL: 'http://127.0.0.1:<auto>'
+  };
+}
 function renderStep(step) {
@@ -483,2 +537,53 @@ return `${step.command} ${step.args.join(' ')}`.trim();
 }
+function colorizeRunnerSteps(steps, env) {
+  return withPipedAppBootstrapImports(steps, env);
+}
+async function executeRunnerStepsWithReporter(options) {
+  if (options.command === 'dev' && (options.reporterMode === 'pretty' || options.verbose)) {
+    options.childEnv[SHOW_NODE_RESTART_NOTICE_ENV] = '1';
+  }
+  if (options.reporterMode === 'pretty') {
+    options.stdout.write(`[fluo] ${options.command} ${options.projectRuntime} lifecycle starting\n`);
+    options.stdout.write(`[fluo] ${options.runnerSteps.map(renderStep).join(' && ')}\n`);
+  }
+  const reporterStreams = createReporterStreams(options.reporterMode, options.verbose, options.stdout, options.stderr);
+  const exitCode = await runProjectRunnerSteps(options.runnerSteps, {
+    spawnCommand: options.runtime.spawnCommand ?? defaultSpawnCommand
+  }, {
+    cwd: options.projectDirectory,
+    env: options.childEnv,
+    ...reporterStreams
+  });
+  if (options.reporterMode === 'pretty') {
+    reporterStreams.finalizeChildOutputBeforeStatus();
+    if (exitCode === 0) {
+      options.stdout.write(`[fluo] ${options.command} lifecycle completed\n`);
+    } else {
+      reporterStreams.flushBufferedStdoutOnFailure();
+      options.stderr.write(`[fluo] ${options.command} lifecycle failed with exit code ${exitCode}\n`);
+    }
+  } else if (options.reporterMode === 'silent' && exitCode !== 0) {
+    reporterStreams.flushBufferedStdoutOnFailure();
+    options.stderr.write(`[fluo] ${options.command} lifecycle failed with exit code ${exitCode}\n`);
+  }
+  return exitCode;
+}
+async function runScriptWithStudioSidecar(command, projectDirectory, projectRuntime, runnerSteps, childEnv, runtime, reporterMode, verbose, stdout, stderr, studioSidecar) {
+  try {
+    return await executeRunnerStepsWithReporter({
+      childEnv,
+      command,
+      projectDirectory,
+      projectRuntime,
+      reporterMode,
+      runnerSteps,
+      runtime,
+      stderr,
+      stdout,
+      verbose
+    });
+  } finally {
+    await studioSidecar.close();
+  }
+}
 
@@ -493,3 +598,3 @@ /**
   const nodeEnv = command === 'dev' ? 'development' : 'production';
-  return [`Usage: fluo ${command} [options] [-- <args>]`, '', `Run the generated fluo project ${command} lifecycle with NODE_ENV defaulting to ${nodeEnv} when unset.`, '', 'Default output forwards child stdout/stderr without fluo lifecycle UI.', 'Use --reporter pretty for fluo lifecycle status + app │ prefixes.', 'Use --verbose (or FLUO_VERBOSE=1) to expose raw runtime/tooling output.', '', 'Options', '  --dry-run                              Print the command without running it.', command === 'dev' ? '  --raw-watch                            Use the runtime-native Node watcher instead of the fluo restart runner.' : undefined, command === 'dev' ? '  --runner <fluo|native>                 Select fluo restart supervision or runtime-native watch (default: fluo for Node, native for non-Node runtimes).' : undefined, '  --reporter <auto|pretty|stream|silent> Choose lifecycle reporter output mode (default: auto).', '  --verbose                             Expose raw child process output; also honored by FLUO_VERBOSE=1.', `  --help                                 Show help for the ${command} command.`].filter(line => typeof line === 'string').join('\n');
+  return [`Usage: fluo ${command} [options] [-- <args>]`, '', `Run the generated fluo project ${command} lifecycle with NODE_ENV defaulting to ${nodeEnv} when unset.`, '', 'Default output forwards child stdout/stderr without fluo lifecycle UI.', 'Use --reporter pretty for fluo lifecycle status + app │ prefixes.', 'Use --verbose (or FLUO_VERBOSE=1) to expose raw runtime/tooling output.', '', 'Options', '  --dry-run                              Print the command without running it.', command === 'dev' ? '  --raw-watch                            Use the runtime-native Node watcher instead of the fluo restart runner.' : undefined, command === 'dev' ? '  --runner <fluo|native>                 Select fluo restart supervision or runtime-native watch (default: fluo for Node, native for non-Node runtimes).' : undefined, command === 'dev' ? '  --studio                              Start the local Fluo Studio sidecar and inject runtime devtool env.' : undefined, command === 'dev' ? '  --studio-port <port>                  Bind the Studio sidecar to a specific local port (default: 0).' : undefined, '  --reporter <auto|pretty|stream|silent> Choose lifecycle reporter output mode (default: auto).', '  --verbose                             Expose raw child process output; also honored by FLUO_VERBOSE=1.', `  --help                                 Show help for the ${command} command.`].filter(line => typeof line === 'string').join('\n');
 }
@@ -525,2 +630,3 @@
   const devRunner = command === 'dev' ? resolveDevRunnerPreference(parsed, env, projectRuntime) : 'fluo';
+  assertStudioSupport(command, parsed.studio, projectRuntime, devRunner);
   const runnerSteps = buildProjectRunner(command, projectRuntime, parsed.passThrough, {
@@ -536,4 +642,22 @@ devRunner,
   const verbose = parsed.verbose || isEnabledEnvironmentFlag(env.FLUO_VERBOSE);
-  const childEnv = withPipedReporterColorEnv(withProjectLocalBin(withDefaultNodeEnv(env, defaultNodeEnv), project.directory), reporterMode, stdout, stderr);
-  const colorAwareRunnerSteps = withPipedAppColorTtyBootstrap(runnerSteps, childEnv);
+  let childEnv = withPipedReporterColorEnv(withProjectLocalBin(withDefaultNodeEnv(env, defaultNodeEnv), project.directory), reporterMode, stdout, stderr);
+  if (parsed.studio && parsed.dryRun) {
+    childEnv = withStudioDryRunEnv(childEnv, project, projectRuntime);
+  }
+  if (command === 'dev' && parsed.studio && !parsed.dryRun) {
+    const studioSidecarFactory = runtime.startStudioSidecar ?? startStudioSidecar;
+    const studioSidecar = await studioSidecarFactory({
+      appId: projectDisplayName(project),
+      port: parsed.studioPort,
+      runtime: projectRuntimeToStudioRuntime(projectRuntime)
+    });
+    childEnv = {
+      ...childEnv,
+      ...studioSidecar.env
+    };
+    const studioUrl = `${studioSidecar.url}/?token=${encodeURIComponent(studioSidecar.token)}`;
+    stdout.write(`[fluo] Studio listening at ${studioUrl}\n`);
+    return await runScriptWithStudioSidecar(command, project.directory, projectRuntime, colorizeRunnerSteps(runnerSteps, childEnv), childEnv, runtime, reporterMode, verbose, stdout, stderr, studioSidecar);
+  }
+  const colorAwareRunnerSteps = colorizeRunnerSteps(runnerSteps, childEnv);
   if (command === 'dev' && (reporterMode === 'pretty' || verbose)) {
@@ -552,30 +676,22 @@ childEnv[SHOW_NODE_RESTART_NOTICE_ENV] = '1';
       stdout.write(`Watch mode: ${colorAwareRunnerSteps.map(step => step.mode ?? 'single-run').join(', ')}\n`);
+      if (parsed.studio) {
+        stdout.write('Studio: enabled (sidecar binds 127.0.0.1 at runtime)\n');
+        stdout.write(`FLUO_STUDIO: ${childEnv.FLUO_STUDIO ?? ''}\n`);
+        stdout.write(`FLUO_STUDIO_URL: ${childEnv.FLUO_STUDIO_URL ?? ''}\n`);
+      }
     }
     return 0;
   }
-  if (reporterMode === 'pretty') {
-    stdout.write(`[fluo] ${command} ${projectRuntime} lifecycle starting\n`);
-    stdout.write(`[fluo] ${colorAwareRunnerSteps.map(renderStep).join(' && ')}\n`);
-  }
-  const reporterStreams = createReporterStreams(reporterMode, verbose, stdout, stderr);
-  const exitCode = await runProjectRunnerSteps(colorAwareRunnerSteps, {
-    spawnCommand: runtime.spawnCommand ?? defaultSpawnCommand
-  }, {
-    cwd: project.directory,
-    env: childEnv,
-    ...reporterStreams
+  return await executeRunnerStepsWithReporter({
+    childEnv,
+    command,
+    projectDirectory: project.directory,
+    projectRuntime,
+    reporterMode,
+    runnerSteps: colorAwareRunnerSteps,
+    runtime,
+    stderr,
+    stdout,
+    verbose
   });
-  if (reporterMode === 'pretty') {
-    reporterStreams.finalizeChildOutputBeforeStatus();
-    if (exitCode === 0) {
-      stdout.write(`[fluo] ${command} lifecycle completed\n`);
-    } else {
-      reporterStreams.flushBufferedStdoutOnFailure();
-      stderr.write(`[fluo] ${command} lifecycle failed with exit code ${exitCode}\n`);
-    }
-  } else if (reporterMode === 'silent' && exitCode !== 0) {
-    reporterStreams.flushBufferedStdoutOnFailure();
-    stderr.write(`[fluo] ${command} lifecycle failed with exit code ${exitCode}\n`);
-  }
-  return exitCode;
 }

dist/dev-runner/node-restart-runner.d.ts.map

@@ -1,1 +0,1 @@
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dist/dev-runner/node-restart-runner.js

@@ -6,2 +6,3 @@ import { spawn } from 'node:child_process';
 import { fileURLToPath } from 'node:url';
+import { createStudioDevtoolsNodeImport } from '../studio/runtime-config.js';
 
@@ -19,2 +20,49 @@ /** Runtime target handled by the fluo-owned development restart runner. */
 const CLEAR_SCREEN = '\u001B[2J\u001B[3J\u001B[H';
+function isEnabledEnvironmentFlag(value) {
+  return value === '1' || value === 'true' || value === 'yes';
+}
+function studioRuntimeName(runtime) {
+  if (runtime === 'cloudflare-workers') {
+    return 'worker';
+  }
+  return runtime;
+}
+function resolveStudioIngestEndpoint(env) {
+  if (!isEnabledEnvironmentFlag(env.FLUO_STUDIO) || !env.FLUO_STUDIO_TOKEN) {
+    return undefined;
+  }
+  if (env.FLUO_STUDIO_ENDPOINT) {
+    return env.FLUO_STUDIO_ENDPOINT;
+  }
+  if (!env.FLUO_STUDIO_URL) {
+    return undefined;
+  }
+  try {
+    return new URL('/api/runtime/events', env.FLUO_STUDIO_URL).toString();
+  } catch {
+    return undefined;
+  }
+}
+function publishStudioLifecycleEvent(env, runtime, type, payload) {
+  const endpoint = resolveStudioIngestEndpoint(env);
+  if (!endpoint || typeof globalThis.fetch !== 'function') {
+    return;
+  }
+  void globalThis.fetch(endpoint, {
+    body: JSON.stringify({
+      payload,
+      source: {
+        appId: env.FLUO_STUDIO_APP_ID ?? basename(process.cwd()),
+        runtime: studioRuntimeName(runtime)
+      },
+      type,
+      version: 1
+    }),
+    headers: {
+      authorization: `Bearer ${env.FLUO_STUDIO_TOKEN}`,
+      'content-type': 'application/json'
+    },
+    method: 'POST'
+  }).catch(() => undefined);
+}
 function normalizeIgnorePatterns(patterns) {
@@ -156,3 +204,4 @@ return patterns.map(pattern => pattern.trim()).filter(pattern => pattern.length > 0);
   const colorTtyImport = env[PRETTY_TTY_COLOR_ENV] === '1' ? ['--import', getPreserveColorTtyImport()] : [];
-  return ['--env-file=.env', ...colorTtyImport, '--import', 'tsx', 'src/main.ts', ...appArgs];
+  const studioDevtoolsImport = createStudioDevtoolsNodeImport(env);
+  return ['--env-file=.env', ...colorTtyImport, ...studioDevtoolsImport, '--import', 'tsx', 'src/main.ts', ...appArgs];
 }
@@ -236,2 +285,6 @@ function buildBunAppArgs(env, appArgs) {
     const appCommand = buildAppCommand(runnerRuntime, env, appArgs);
+    publishStudioLifecycleEvent(env, runnerRuntime, 'restart', {
+      phase: 'starting',
+      reason: 'fluo dev runner starting app child'
+    });
     child = spawnChild(appCommand.command, appCommand.args, {
@@ -242,2 +295,6 @@ cwd: projectDirectory,
     });
+    publishStudioLifecycleEvent(env, runnerRuntime, 'restart', {
+      phase: 'started',
+      reason: 'fluo dev runner spawned app child'
+    });
     let childSettled = false;
@@ -263,2 +320,5 @@ child.once('error', error => {
       if (stopping) {
+        publishStudioLifecycleEvent(env, runnerRuntime, 'disconnect', {
+          reason: 'fluo dev runner stopped'
+        });
         cleanup();
@@ -268,2 +328,5 @@ resolveExitCode(code ?? 0);
       }
+      publishStudioLifecycleEvent(env, runnerRuntime, 'disconnect', {
+        reason: `app child exited with code ${String(code ?? 1)}`
+      });
       cleanup();
@@ -288,2 +351,6 @@ resolveExitCode(code ?? 1);
       }
+      publishStudioLifecycleEvent(env, runnerRuntime, 'restart', {
+        phase: 'scheduled',
+        reason: `content changed: ${relative(projectDirectory, restartPaths[restartPaths.length - 1] ?? projectDirectory)}`
+      });
       const previousChild = child;
@@ -303,2 +370,6 @@ const startReplacementChild = () => {
         restarting = true;
+        publishStudioLifecycleEvent(env, runnerRuntime, 'restart', {
+          phase: 'stopping',
+          reason: 'stopping previous app child before restart'
+        });
         previousChild.once('close', () => {
@@ -305,0 +376,0 @@ const committedRestartPaths = [...restartAfterClosePaths];

package.json

@@ -12,3 +12,3 @@ {
   ],
-  "version": "1.0.4",
+  "version": "1.0.5",
   "private": false,
@@ -48,6 +48,6 @@ "license": "MIT",
     "typescript": "^6.0.2",
-    "@fluojs/runtime": "^1.1.2"
+    "@fluojs/runtime": "^1.1.3"
   },
   "peerDependencies": {
-    "@fluojs/studio": "^1.0.4"
+    "@fluojs/studio": "^1.0.5"
   },
@@ -54,0 +54,0 @@ "peerDependenciesMeta": {

README.ko.md

@@ -187,2 +187,25 @@ # @fluojs/cli
 
+### Runtime-connected Studio devtool
+
+실행 중인 앱에 local React Studio devtool을 붙이고 싶을 때는 static HTML/JSON을 먼저 내보내지 말고 `fluo dev --studio`를 사용합니다.
+
+```bash
+fluo dev --studio
+fluo dev --studio --studio-port 51234
+fluo dev --studio --dry-run
+```
+
+CLI는 local Studio sidecar를 시작하고, tokenized URL을 출력하며, restart lifecycle event를 sidecar로 계속 전달하고, 앱이 `@fluojs/runtime`을 import하기 전에 명시적인 Studio config를 Node 앱 child에 주입합니다. Optional package인 `@fluojs/studio`가 설치되어 있으면 sidecar는 패키징된 `@fluojs/studio/viewer` React app을 제공합니다. Runtime package source는 `process.env`를 직접 읽지 않으며, CLI가 주입한 Studio config가 있을 때만 live graph/routes/request/timing/diagnostic event를 전송합니다.
+
+보안 기본값은 local-only입니다. Sidecar는 `127.0.0.1`에 bind되고, runtime ingestion 및 browser state/SSE API는 generated token을 요구하며, CORS는 기본적으로 활성화하지 않고, request body는 기본적으로 수집하지 않습니다.
+
+MVP runtime support는 명시적으로 제한됩니다.
+
+| Runtime target | `fluo dev --studio` status |
+| --- | --- |
+| Node dev runner | Full support target입니다. |
+| Bun | 이번 MVP에서는 활성화하지 않습니다. Dedicated bridge를 구현하고 검증하기 전까지 `fluo dev --studio`는 Bun 프로젝트를 거부합니다. |
+| Deno | 이번 MVP에서는 활성화하지 않습니다. Dedicated bridge를 구현하고 검증하기 전까지 `fluo dev --studio`는 Deno 프로젝트를 거부합니다. |
+| Cloudflare Workers | worker bridge를 추가하고 테스트하지 않는 한 이번 MVP에서는 unsupported입니다. |
+
 CLI process boundary를 조정해야 할 때는 런타임 앱 로깅이 아니라 reporter flag를 사용하세요:
@@ -189,0 +212,0 @@

README.md

@@ -187,2 +187,25 @@ # @fluojs/cli
 
+### Runtime-connected Studio devtool
+
+Use `fluo dev --studio` when you want the local React Studio devtool attached to the running app instead of exporting static HTML/JSON first:
+
+```bash
+fluo dev --studio
+fluo dev --studio --studio-port 51234
+fluo dev --studio --dry-run
+```
+
+The CLI starts a local Studio sidecar, prints a tokenized URL, keeps restart lifecycle events flowing through the sidecar, and injects an explicit Studio config into the Node app child before the app imports `@fluojs/runtime`. The sidecar serves the packaged `@fluojs/studio/viewer` React app when that optional package is installed. Runtime package source never reads `process.env` directly; it publishes live graph/routes/request/timing/diagnostic events only when CLI-injected Studio config is present.
+
+Security defaults are local-only: the sidecar binds `127.0.0.1`, runtime ingestion and browser state/SSE APIs require generated tokens, CORS is not enabled by default, and request bodies are not captured by default.
+
+Runtime support for the MVP is explicit:
+
+| Runtime target | `fluo dev --studio` status |
+| --- | --- |
+| Node dev runner | Full support target. |
+| Bun | Not enabled for this MVP; `fluo dev --studio` rejects Bun projects until a dedicated bridge is implemented and verified. |
+| Deno | Not enabled for this MVP; `fluo dev --studio` rejects Deno projects until a dedicated bridge is implemented and verified. |
+| Cloudflare Workers | Unsupported for this MVP unless a worker bridge is added and tested. |
+
 Use reporter flags when you need to tune the CLI process boundary rather than runtime app logging:
@@ -189,0 +212,0 @@

New alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

520212

5.94%

Number of package files

151

4.14%

Lines of code

10790

6.82%

Number of lines in readme file

333

7.42%

Worsened metrics

Number of low supply chain risk alerts

14

7.69%

Number of medium supply chain risk alerts

5

66.67%

Dependency changes

• Updated

  @fluojs/runtime@^1.1.3