张翔
cf99e7556c
- 更新 CI/CD 子域名反向代理配置 - 调整 Nginx 静态文件服务器配置 - 更新 CONTEXT.md 领域共享语言文档 - 添加 CLAUDE.md 代理工作指南 - 更新 Playwright E2E 测试配置
1136 lines
42 KiB
JavaScript
1136 lines
42 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Live variant mode server (self-contained, zero dependencies).
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*
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* Serves the browser script (/live.js), the detection overlay (/detect.js),
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* uses Server-Sent Events (SSE) for server→browser push, and HTTP POST for
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* browser→server events. Agent communicates via HTTP long-poll (/poll).
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*
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* Usage:
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* node <scripts_path>/live-server.mjs # start
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* node <scripts_path>/live-server.mjs stop # stop + remove injected live.js tag
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* node <scripts_path>/live-server.mjs stop --keep-inject # stop only
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* node <scripts_path>/live-server.mjs --help
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*/
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import http from 'node:http';
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import { randomUUID } from 'node:crypto';
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import { spawn, execFileSync } from 'node:child_process';
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import fs from 'node:fs';
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import path from 'node:path';
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import net from 'node:net';
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import { fileURLToPath } from 'node:url';
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import { parseDesignMd } from './lib/design-parser.mjs';
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import { loadContext } from './context.mjs';
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import {
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assembleLiveBrowserScript,
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assertLiveBrowserScriptParts,
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readLiveBrowserScriptParts,
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resolveLiveBrowserScriptParts,
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} from './live/browser-script-parts.mjs';
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import { createLiveSessionStore } from './live/session-store.mjs';
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import { validateEvent } from './live/event-validation.mjs';
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import { createManualEditRoutes } from './live/manual-edit-routes.mjs';
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import { LIVE_COMMANDS } from './live/vocabulary.mjs';
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import {
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getDesignSidecarPath,
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getLiveDir,
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getLiveAnnotationsDir,
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readLiveServerInfo,
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removeLiveServerInfo,
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resolveDesignSidecarPath,
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writeLiveServerInfo,
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} from './lib/impeccable-paths.mjs';
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import { countByPage as countPendingByPage } from './live/manual-edits-buffer.mjs';
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import {
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createManualApplyController,
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summarizeManualApplyFailures,
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} from './live/manual-apply.mjs';
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import {
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applyDeferredSvelteComponentAccepts,
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removeAllSvelteComponentSessions,
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} from './live/svelte-component.mjs';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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// PRODUCT.md / DESIGN.md live wherever context.mjs resolves. The generated
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// DESIGN sidecar is project-local at .impeccable/design.json, with legacy
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// DESIGN.json fallback for existing projects.
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const PROJECT_CONTEXT = loadContext(process.cwd());
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const CONTEXT_DIR = PROJECT_CONTEXT.contextDir;
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const DESIGN_MD_PATH = PROJECT_CONTEXT.designPath
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? path.resolve(process.cwd(), PROJECT_CONTEXT.designPath)
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: null;
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const DEFAULT_POLL_TIMEOUT = 600_000; // 10 min — agent re-polls on timeout anyway
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const SSE_HEARTBEAT_INTERVAL = 30_000; // keepalive ping every 30s
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// ---------------------------------------------------------------------------
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// Port detection
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// ---------------------------------------------------------------------------
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async function findOpenPort(start = 8400) {
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return new Promise((resolve) => {
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const srv = net.createServer();
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srv.listen(start, '127.0.0.1', () => {
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const port = srv.address().port;
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srv.close(() => resolve(port));
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});
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srv.on('error', () => resolve(findOpenPort(start + 1)));
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});
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}
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// ---------------------------------------------------------------------------
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// Session state
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// ---------------------------------------------------------------------------
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const state = {
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token: null,
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port: null,
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sseClients: new Set(), // SSE response objects (server→browser push)
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pendingEvents: [], // browser events waiting for agent ack ({ event, leaseUntil })
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pendingPolls: [], // agent poll callbacks waiting for browser events
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nextEventSeq: 1,
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lastAgentPollingBroadcast: null,
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exitTimer: null,
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sessionDir: null, // per-session tmp dir for annotation screenshots
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sessionStore: null,
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leaseTimer: null,
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manualEditActivity: null,
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nextManualEditSeq: 1,
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// Deferreds for in-flight chat-routed Apply events. Keyed by event id; each
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// entry is resolved when the chat agent POSTs an ack carrying the batch
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// result, or rejected when the hard timeout fires.
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pendingApplyDeferreds: new Map(),
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// Updated whenever a /poll long-poll request arrives or is resolved with an
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// event. Used to detect "a chat agent is likely attached" without requiring
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// a poll to be parked at the exact moment we dispatch.
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lastPollAt: 0,
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timedOutApplyIds: new Map(),
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};
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const CHAT_POLL_FRESHNESS_MS = 60_000;
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const POLL_LEASE_EXPIRY_TIMER_GRACE_MS = 2;
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const DEBUG_MANUAL_EDIT_EVENTS = /^(1|true|yes)$/i.test(process.env.IMPECCABLE_LIVE_DEBUG_EVENTS || '');
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const manualApply = createManualApplyController({
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pendingEvents: state.pendingEvents,
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pendingApplyDeferreds: state.pendingApplyDeferreds,
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timedOutApplyIds: state.timedOutApplyIds,
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enqueueEvent,
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acknowledgePendingEvent,
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flushPendingPolls,
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recordManualEditActivity,
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cwd: () => process.cwd(),
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});
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const manualEditRoutes = createManualEditRoutes({
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getToken: () => state.token,
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manualApply,
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recordManualEditActivity,
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getManualEditStatus,
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chatAgentLikelyActive,
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cwd: () => process.cwd(),
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env: () => process.env,
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});
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function chatAgentLikelyActive() {
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if (state.pendingPolls.length > 0) return true;
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if (!state.lastPollAt) return false;
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return Date.now() - state.lastPollAt < CHAT_POLL_FRESHNESS_MS;
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}
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// Cap per-annotation upload size. A full 1920×1080 PNG is typically <1 MB;
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// cap at 10 MB to guard against runaway writes from a misbehaving client.
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const MAX_ANNOTATION_BYTES = 10 * 1024 * 1024;
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function enqueueEvent(event) {
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if (!event || (event.id && state.pendingEvents.some((entry) => entry.event?.id === event.id && entry.event?.type === event.type))) return;
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state.pendingEvents.push({ event, leaseUntil: 0, seq: state.nextEventSeq++ });
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flushPendingPolls();
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}
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function restorePendingEventsFromStore() {
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if (!state.sessionStore) return;
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for (const snapshot of state.sessionStore.listActiveSessions()) {
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if (snapshot.pendingEvent) enqueueEvent(snapshot.pendingEvent);
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}
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}
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function findAvailablePendingEvent(now = Date.now()) {
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for (const entry of state.pendingEvents) {
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if (entry.leaseUntil && entry.leaseUntil > now) continue;
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return entry;
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}
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return null;
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}
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function leaseEvent(entry, leaseMs) {
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if (!entry.event?.id) {
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const idx = state.pendingEvents.indexOf(entry);
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if (idx !== -1) state.pendingEvents.splice(idx, 1);
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return entry.event;
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}
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entry.leaseUntil = Date.now() + leaseMs;
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scheduleLeaseFlush();
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broadcastAgentPollingIfChanged();
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return entry.event;
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}
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function acknowledgePendingEvent(id) {
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if (!id) return false;
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const idx = state.pendingEvents.findIndex((entry) => entry.event?.id === id);
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if (idx === -1) return false;
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const acknowledged = state.pendingEvents[idx].event;
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state.pendingEvents.splice(idx, 1);
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scheduleLeaseFlush();
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broadcastAgentPollingIfChanged();
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return acknowledged;
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}
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function findPendingEventById(id) {
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if (!id) return null;
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const entry = state.pendingEvents.find((item) => item.event?.id === id);
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return entry?.event || null;
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}
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function summarizePendingEventForStatus(entry) {
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const event = entry.event || {};
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const summary = {
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id: event.id,
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type: event.type,
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leased: !!(entry.leaseUntil && entry.leaseUntil > Date.now()),
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leaseUntil: entry.leaseUntil || null,
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};
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if (event.type === 'manual_edit_apply') {
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summary.pageUrl = event.pageUrl || null;
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summary.chunk = event.chunk || null;
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summary.repair = event.repair || null;
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summary.evidencePath = event.evidencePath || null;
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summary.agentAction = event.agentAction || manualApply.buildAgentAction(event);
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summary.manualApplySummary = manualApply.summarizeEvent(event, manualApply.getDeferred(event.id)?.batch || event.batch);
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}
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return summary;
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}
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function summarizeActiveSessionForClient(snapshot = {}) {
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return {
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id: snapshot.id,
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phase: snapshot.phase,
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pageUrl: snapshot.pageUrl ?? null,
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sourceFile: snapshot.sourceFile ?? null,
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previewFile: snapshot.previewFile ?? null,
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previewMode: snapshot.previewMode ?? null,
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expectedVariants: snapshot.expectedVariants ?? 0,
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arrivedVariants: snapshot.arrivedVariants ?? 0,
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visibleVariant: snapshot.visibleVariant ?? null,
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checkpointRevision: snapshot.checkpointRevision ?? 0,
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paramValues: snapshot.paramValues || {},
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};
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}
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function activeSessionSummaries() {
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if (!state.sessionStore) return [];
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return state.sessionStore.listActiveSessions().map((snapshot) => summarizeActiveSessionForClient(snapshot));
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}
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function cancelQueuedAnonymousExitEvents() {
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let removed = 0;
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for (let i = state.pendingEvents.length - 1; i >= 0; i -= 1) {
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const event = state.pendingEvents[i]?.event;
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if (event?.type !== 'exit' || event.id) continue;
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state.pendingEvents.splice(i, 1);
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removed += 1;
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}
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if (removed > 0) {
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scheduleLeaseFlush();
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broadcastAgentPollingIfChanged();
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}
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return removed;
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}
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function scheduleLeaseFlush() {
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if (state.leaseTimer) {
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clearTimeout(state.leaseTimer);
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state.leaseTimer = null;
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}
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const now = Date.now();
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const nextLeaseUntil = state.pendingEvents
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.map((entry) => entry.leaseUntil || 0)
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.filter((leaseUntil) => leaseUntil > now)
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.sort((a, b) => a - b)[0];
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if (!nextLeaseUntil) return;
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state.leaseTimer = setTimeout(() => {
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state.leaseTimer = null;
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flushPendingPolls();
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broadcastAgentPollingIfChanged();
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}, Math.max(0, nextLeaseUntil - now + POLL_LEASE_EXPIRY_TIMER_GRACE_MS));
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}
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function flushPendingPolls() {
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let changed = false;
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while (state.pendingPolls.length > 0) {
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const entry = findAvailablePendingEvent();
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if (!entry) {
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scheduleLeaseFlush();
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broadcastAgentPollingIfChanged();
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return;
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}
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const poll = state.pendingPolls.shift();
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poll.resolve(leaseEvent(entry, poll.leaseMs));
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changed = true;
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}
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scheduleLeaseFlush();
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if (changed) broadcastAgentPollingIfChanged();
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}
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function agentPollingConnected() {
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const now = Date.now();
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return state.pendingPolls.length > 0
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|| state.pendingEvents.some((entry) => entry.leaseUntil && entry.leaseUntil > now);
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}
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function broadcastAgentPollingIfChanged() {
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const connected = agentPollingConnected();
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if (state.lastAgentPollingBroadcast === connected) return;
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state.lastAgentPollingBroadcast = connected;
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broadcast({ type: 'agent_polling', connected });
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}
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/** Push a message to all connected SSE clients. */
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function broadcast(msg) {
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const data = 'data: ' + JSON.stringify(msg) + '\n\n';
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for (const res of state.sseClients) {
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try { res.write(data); } catch { /* client gone */ }
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}
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}
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function recordManualEditActivity(type, details = {}) {
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const entry = {
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seq: state.nextManualEditSeq++,
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type,
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ts: new Date().toISOString(),
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...details,
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};
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state.manualEditActivity = entry;
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if (DEBUG_MANUAL_EDIT_EVENTS) {
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try {
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const filePath = path.join(getLiveDir(process.cwd()), 'manual-edit-events.jsonl');
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fs.mkdirSync(path.dirname(filePath), { recursive: true });
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fs.appendFileSync(filePath, JSON.stringify(entry) + '\n');
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} catch {
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/* diagnostics are best-effort; never block live mode on observability */
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}
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}
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broadcast(entry);
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return entry;
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}
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function getManualEditStatus() {
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try {
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const { totalCount, perPage } = countPendingByPage(process.cwd());
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return { totalCount, perPage, lastActivity: state.manualEditActivity };
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} catch (err) {
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return {
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totalCount: null,
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perPage: {},
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lastActivity: state.manualEditActivity,
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error: err.message,
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};
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}
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}
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// ---------------------------------------------------------------------------
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// Load scripts
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// ---------------------------------------------------------------------------
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function loadBrowserScripts() {
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// Detection script: prefer the skill-bundled detector, then fall back to
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// source/npm package locations for local development and older installs.
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// This one IS cached — detect.js rarely changes during a session.
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const detectPaths = [
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path.join(__dirname, 'detector', 'detect-antipatterns-browser.js'),
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path.join(__dirname, '..', '..', 'cli', 'engine', 'detect-antipatterns-browser.js'),
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path.join(__dirname, '..', '..', '..', '..', 'cli', 'engine', 'detect-antipatterns-browser.js'),
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path.join(process.cwd(), 'node_modules', 'impeccable', 'cli', 'engine', 'detect-antipatterns-browser.js'),
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];
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let detectScript = '';
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for (const p of detectPaths) {
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try { detectScript = fs.readFileSync(p, 'utf-8'); break; } catch { /* try next */ }
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}
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// Browser script parts: DO NOT cache. Return paths so the /live.js handler
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// can re-read every part on each request. Editing browser code during
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// iteration should land on the next tab reload, not require a server restart.
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const liveScriptParts = resolveLiveBrowserScriptParts(__dirname);
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try {
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assertLiveBrowserScriptParts(liveScriptParts);
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} catch (err) {
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process.stderr.write('Error: ' + err.message + '\n');
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process.exit(1);
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}
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return { detectScript, liveScriptParts };
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}
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function hasProjectContext() {
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// PRODUCT.md carries brand voice / anti-references — that's what determines
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// whether variants are brand-aware. DESIGN.md (visual tokens) is a separate
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// concern, surfaced by the design panel's own empty state.
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return !!PROJECT_CONTEXT.hasProduct;
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}
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function statOrNull(filePath) {
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try { return fs.statSync(filePath); } catch { return null; }
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}
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// HTTP request handler
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// ---------------------------------------------------------------------------
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function createRequestHandler({ detectScript, liveScriptParts }) {
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return (req, res) => {
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const url = new URL(req.url, `http://localhost:${state.port}`);
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res.setHeader('Access-Control-Allow-Origin', '*');
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res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
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if (req.method === 'OPTIONS') { res.writeHead(204); res.end(); return; }
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const p = url.pathname;
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// --- Scripts ---
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if (p === '/live.js') {
|
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// Re-read from disk each request so edits to live-browser.js land on
|
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// the next tab reload. No-store headers prevent browser caching across
|
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// sessions — during iteration, a cached old script silently breaks
|
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// every subsequent session.
|
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let parts;
|
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try {
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parts = readLiveBrowserScriptParts(liveScriptParts);
|
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} catch (err) {
|
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res.writeHead(500, { 'Content-Type': 'text/plain' });
|
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res.end('Error reading live browser scripts: ' + err.message);
|
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return;
|
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}
|
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const body = assembleLiveBrowserScript({
|
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token: state.token,
|
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port: state.port,
|
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vocabulary: LIVE_COMMANDS,
|
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parts,
|
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});
|
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res.writeHead(200, {
|
||
'Content-Type': 'application/javascript',
|
||
'Cache-Control': 'no-store, no-cache, must-revalidate, max-age=0',
|
||
'Pragma': 'no-cache',
|
||
});
|
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res.end(body);
|
||
return;
|
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}
|
||
if (p === '/detect.js' || p === '/') {
|
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if (!detectScript) { res.writeHead(404); res.end('Not available'); return; }
|
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res.writeHead(200, { 'Content-Type': 'application/javascript' });
|
||
res.end(detectScript);
|
||
return;
|
||
}
|
||
|
||
// --- Vendored modern-screenshot (UMD build) ---
|
||
// Lazy-loaded by live.js when the user clicks Go; exposes
|
||
// window.modernScreenshot.domToBlob(...) for capture.
|
||
if (p === '/modern-screenshot.js') {
|
||
const vendorPath = path.join(__dirname, 'modern-screenshot.umd.js');
|
||
try {
|
||
res.writeHead(200, {
|
||
'Content-Type': 'application/javascript',
|
||
'Cache-Control': 'public, max-age=31536000, immutable',
|
||
});
|
||
res.end(fs.readFileSync(vendorPath));
|
||
} catch {
|
||
res.writeHead(404); res.end('Vendor script not found');
|
||
}
|
||
return;
|
||
}
|
||
|
||
// --- Annotation upload (browser → server, raw PNG body) ---
|
||
// Client generates the eventId, POSTs the PNG, then POSTs the generate
|
||
// event with screenshotPath already set. Keeps bytes out of the SSE/poll
|
||
// bridge and preserves the "one shot from the user's POV" UX.
|
||
if (p === '/annotation' && req.method === 'POST') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401); res.end('Unauthorized'); return; }
|
||
const eventId = url.searchParams.get('eventId');
|
||
if (!eventId || !/^[A-Za-z0-9_-]{1,64}$/.test(eventId)) {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Invalid eventId' }));
|
||
return;
|
||
}
|
||
if ((req.headers['content-type'] || '').toLowerCase() !== 'image/png') {
|
||
res.writeHead(415, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Content-Type must be image/png' }));
|
||
return;
|
||
}
|
||
if (!state.sessionDir) {
|
||
res.writeHead(500, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Session dir unavailable' }));
|
||
return;
|
||
}
|
||
const chunks = [];
|
||
let total = 0;
|
||
let aborted = false;
|
||
req.on('data', (c) => {
|
||
if (aborted) return;
|
||
total += c.length;
|
||
if (total > MAX_ANNOTATION_BYTES) {
|
||
aborted = true;
|
||
res.writeHead(413, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Payload too large' }));
|
||
req.destroy();
|
||
return;
|
||
}
|
||
chunks.push(c);
|
||
});
|
||
req.on('end', () => {
|
||
if (aborted) return;
|
||
const absPath = path.join(state.sessionDir, eventId + '.png');
|
||
try {
|
||
fs.writeFileSync(absPath, Buffer.concat(chunks));
|
||
} catch (err) {
|
||
res.writeHead(500, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Write failed: ' + err.message }));
|
||
return;
|
||
}
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ ok: true, path: absPath }));
|
||
});
|
||
req.on('error', () => {
|
||
if (!aborted) {
|
||
res.writeHead(500, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Upload failed' }));
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
|
||
// --- Health ---
|
||
if (p === '/status') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401, { 'Content-Type': 'application/json' }); res.end(JSON.stringify({ error: 'Unauthorized' })); return; }
|
||
const sessions = activeSessionSummaries();
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({
|
||
status: 'ok',
|
||
port: state.port,
|
||
connectedClients: state.sseClients.size,
|
||
pendingEvents: state.pendingEvents.map((entry) => summarizePendingEventForStatus(entry)),
|
||
agentPolling: agentPollingConnected(),
|
||
activeSessions: sessions,
|
||
manualEdits: getManualEditStatus(),
|
||
}));
|
||
return;
|
||
}
|
||
|
||
if (p === '/health') {
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({
|
||
status: 'ok', port: state.port, mode: 'variant',
|
||
hasProjectContext: hasProjectContext(),
|
||
connectedClients: state.sseClients.size,
|
||
}));
|
||
return;
|
||
}
|
||
|
||
// --- Design system (unified v2 response) + raw ---
|
||
// /design-system.json returns both parsed DESIGN.md and .impeccable/design.json
|
||
// sidecar when present. Panel merges them:
|
||
// { present, parsed, sidecar, hasMd, hasSidecar,
|
||
// mdNewerThanJson, parseError?, sidecarError? }
|
||
// - parsed: output of parseDesignMd (frontmatter
|
||
// + six canonical sections) when DESIGN.md exists.
|
||
// - sidecar: .impeccable/design.json contents when present.
|
||
// Expected shape: schemaVersion 2, carrying
|
||
// extensions + components + narrative.
|
||
// /design-system/raw returns DESIGN.md markdown verbatim
|
||
if (p === '/design-system.json' || p === '/design-system/raw') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401); res.end('Unauthorized'); return; }
|
||
|
||
const mdPath = DESIGN_MD_PATH;
|
||
const jsonPath = resolveDesignSidecarPath(process.cwd(), PROJECT_CONTEXT.designContextDir || CONTEXT_DIR) || getDesignSidecarPath(process.cwd());
|
||
const mdStat = statOrNull(mdPath);
|
||
const jsonStat = statOrNull(jsonPath);
|
||
|
||
if (p === '/design-system/raw') {
|
||
if (!mdStat) { res.writeHead(404); res.end('Not found'); return; }
|
||
res.writeHead(200, { 'Content-Type': 'text/markdown; charset=utf-8' });
|
||
res.end(fs.readFileSync(mdPath, 'utf-8'));
|
||
return;
|
||
}
|
||
|
||
if (!mdStat && !jsonStat) {
|
||
res.writeHead(404, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ present: false }));
|
||
return;
|
||
}
|
||
|
||
const response = {
|
||
present: true,
|
||
hasMd: !!mdStat,
|
||
hasSidecar: !!jsonStat,
|
||
mdNewerThanJson: !!(mdStat && jsonStat && mdStat.mtimeMs > jsonStat.mtimeMs + 1000),
|
||
};
|
||
|
||
if (mdStat) {
|
||
try {
|
||
response.parsed = parseDesignMd(fs.readFileSync(mdPath, 'utf-8'));
|
||
} catch (err) {
|
||
response.parseError = err.message;
|
||
}
|
||
}
|
||
|
||
if (jsonStat) {
|
||
try {
|
||
response.sidecar = JSON.parse(fs.readFileSync(jsonPath, 'utf-8'));
|
||
} catch (err) {
|
||
response.sidecarError = 'Failed to parse .impeccable/design.json: ' + err.message;
|
||
}
|
||
}
|
||
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify(response));
|
||
return;
|
||
}
|
||
|
||
// --- Source file (no-HMR fallback) ---
|
||
if (p === '/source') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401); res.end('Unauthorized'); return; }
|
||
const filePath = url.searchParams.get('path');
|
||
if (!filePath || filePath.includes('..')) { res.writeHead(400); res.end('Bad path'); return; }
|
||
const absPath = path.resolve(process.cwd(), filePath);
|
||
if (!absPath.startsWith(process.cwd())) { res.writeHead(403); res.end('Forbidden'); return; }
|
||
let content;
|
||
try { content = fs.readFileSync(absPath, 'utf-8'); }
|
||
catch { res.writeHead(404); res.end('File not found'); return; }
|
||
res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' });
|
||
res.end(content);
|
||
return;
|
||
}
|
||
|
||
// --- SSE: server→browser push (replaces WebSocket) ---
|
||
if (p === '/events' && req.method === 'GET') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401); res.end('Unauthorized'); return; }
|
||
clearTimeout(state.exitTimer);
|
||
state.exitTimer = null;
|
||
cancelQueuedAnonymousExitEvents();
|
||
res.writeHead(200, {
|
||
'Content-Type': 'text/event-stream',
|
||
'Cache-Control': 'no-cache',
|
||
'Connection': 'keep-alive',
|
||
});
|
||
res.write('data: ' + JSON.stringify({
|
||
type: 'connected',
|
||
hasProjectContext: hasProjectContext(),
|
||
agentPolling: agentPollingConnected(),
|
||
activeSessions: activeSessionSummaries(),
|
||
}) + '\n\n');
|
||
|
||
state.sseClients.add(res);
|
||
|
||
// Keepalive: SSE comment every 30s prevents silent connection drops.
|
||
const heartbeat = setInterval(() => {
|
||
try { res.write(': keepalive\n\n'); } catch { clearInterval(heartbeat); }
|
||
}, SSE_HEARTBEAT_INTERVAL);
|
||
|
||
req.on('close', () => {
|
||
clearInterval(heartbeat);
|
||
state.sseClients.delete(res);
|
||
if (state.sseClients.size === 0) {
|
||
clearTimeout(state.exitTimer);
|
||
state.exitTimer = setTimeout(() => {
|
||
if (state.sseClients.size === 0) enqueueEvent({ type: 'exit' });
|
||
}, 8000);
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
|
||
if (manualEditRoutes(req, res, url)) return;
|
||
|
||
// --- Browser→server events (replaces WebSocket messages) ---
|
||
if (p === '/events' && req.method === 'POST') {
|
||
let body = '';
|
||
req.on('data', (c) => { body += c; });
|
||
req.on('end', () => {
|
||
let msg;
|
||
try { msg = JSON.parse(body); } catch {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Invalid JSON' }));
|
||
return;
|
||
}
|
||
if (msg.token !== state.token) {
|
||
res.writeHead(401, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Unauthorized' }));
|
||
return;
|
||
}
|
||
// Defense in depth: manual copy edits must use the staged stash/apply
|
||
// endpoints. The direct Save event path is disabled in the browser.
|
||
if (msg.type === 'manual_edits') {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'manual_edits must POST to /manual-edit-stash, not /events' }));
|
||
return;
|
||
}
|
||
if (msg.type === 'manual_edit_apply') {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'manual_edit_apply is disabled; use /manual-edit-stash then /manual-edit-commit' }));
|
||
return;
|
||
}
|
||
const error = validateEvent(msg);
|
||
if (error) {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error }));
|
||
return;
|
||
}
|
||
if (state.sessionStore && msg.id) {
|
||
try {
|
||
state.sessionStore.appendEvent(msg);
|
||
} catch (err) {
|
||
res.writeHead(500, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'session_store_append_failed', message: err.message }));
|
||
return;
|
||
}
|
||
}
|
||
if (msg.type === 'exit') {
|
||
cleanupSvelteComponentSessionsBeforeExit();
|
||
}
|
||
if (msg.type !== 'checkpoint') {
|
||
enqueueEvent(msg);
|
||
}
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ ok: true }));
|
||
});
|
||
return;
|
||
}
|
||
|
||
// --- Stop ---
|
||
if (p === '/stop') {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) { res.writeHead(401); res.end('Unauthorized'); return; }
|
||
res.writeHead(200, { 'Content-Type': 'text/plain' });
|
||
res.end('stopping');
|
||
shutdown();
|
||
return;
|
||
}
|
||
|
||
// --- Agent poll ---
|
||
if (p === '/poll' && req.method === 'GET') {
|
||
handlePollGet(req, res, url);
|
||
return;
|
||
}
|
||
if (p === '/poll' && req.method === 'POST') {
|
||
handlePollPost(req, res);
|
||
return;
|
||
}
|
||
|
||
res.writeHead(404); res.end('Not found');
|
||
};
|
||
}
|
||
|
||
// ---------------------------------------------------------------------------
|
||
// Agent poll endpoints (unchanged from WS version)
|
||
// ---------------------------------------------------------------------------
|
||
|
||
function handlePollGet(req, res, url) {
|
||
const token = url.searchParams.get('token');
|
||
if (token !== state.token) {
|
||
res.writeHead(401, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Unauthorized' }));
|
||
return;
|
||
}
|
||
state.lastPollAt = Date.now();
|
||
const timeout = parseInt(url.searchParams.get('timeout') || DEFAULT_POLL_TIMEOUT, 10);
|
||
const leaseMs = parseInt(url.searchParams.get('leaseMs') || '30000', 10);
|
||
const available = findAvailablePendingEvent();
|
||
if (available) {
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify(leaseEvent(available, leaseMs)));
|
||
return;
|
||
}
|
||
const poll = { resolve, leaseMs };
|
||
const timer = setTimeout(() => {
|
||
const idx = state.pendingPolls.indexOf(poll);
|
||
if (idx !== -1) state.pendingPolls.splice(idx, 1);
|
||
broadcastAgentPollingIfChanged();
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ type: 'timeout' }));
|
||
}, timeout);
|
||
function resolve(event) {
|
||
clearTimeout(timer);
|
||
state.lastPollAt = Date.now();
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify(event));
|
||
}
|
||
state.pendingPolls.push(poll);
|
||
broadcastAgentPollingIfChanged();
|
||
scheduleLeaseFlush();
|
||
req.on('close', () => {
|
||
clearTimeout(timer);
|
||
const idx = state.pendingPolls.indexOf(poll);
|
||
if (idx !== -1) state.pendingPolls.splice(idx, 1);
|
||
broadcastAgentPollingIfChanged();
|
||
});
|
||
}
|
||
|
||
function sessionFileMetadataFromPollReply(file) {
|
||
if (!file || typeof file !== 'string') return { file };
|
||
const normalized = file.split(path.sep).join('/');
|
||
const base = { file: normalized };
|
||
if (!normalized.endsWith('/manifest.json') && normalized !== 'manifest.json') return base;
|
||
if (!normalized.includes('node_modules/.impeccable-live/') && !normalized.includes('src/lib/impeccable/')) return base;
|
||
|
||
let full;
|
||
try {
|
||
full = path.resolve(process.cwd(), normalized);
|
||
const rel = path.relative(process.cwd(), full);
|
||
if (!rel || rel.startsWith('..') || path.isAbsolute(rel)) return base;
|
||
} catch {
|
||
return base;
|
||
}
|
||
|
||
try {
|
||
const manifest = JSON.parse(fs.readFileSync(full, 'utf-8'));
|
||
if (manifest?.previewMode !== 'svelte-component' || !manifest.sourceFile) return base;
|
||
return {
|
||
file: String(manifest.sourceFile).split(path.sep).join('/'),
|
||
sourceFile: String(manifest.sourceFile).split(path.sep).join('/'),
|
||
previewFile: normalized,
|
||
previewMode: 'svelte-component',
|
||
};
|
||
} catch {
|
||
return base;
|
||
}
|
||
}
|
||
|
||
function handlePollPost(req, res) {
|
||
let body = '';
|
||
req.on('data', (c) => { body += c; });
|
||
req.on('end', () => {
|
||
let msg;
|
||
try { msg = JSON.parse(body); } catch {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Invalid JSON' }));
|
||
return;
|
||
}
|
||
if (msg.token !== state.token) {
|
||
res.writeHead(401, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'Unauthorized' }));
|
||
return;
|
||
}
|
||
const pendingApplyDeferred = manualApply.getDeferred(msg.id);
|
||
if (pendingApplyDeferred) {
|
||
const validation = manualApply.validateResultMessage(msg, pendingApplyDeferred);
|
||
if (!validation.ok) {
|
||
recordManualEditActivity('manual_edit_apply_reply_invalid', {
|
||
id: msg.id,
|
||
pageUrl: pendingApplyDeferred.pageUrl,
|
||
chunk: pendingApplyDeferred.event?.chunk || null,
|
||
repair: pendingApplyDeferred.event?.repair || null,
|
||
reason: validation.body?.reason || validation.body?.error || 'invalid_manual_apply_result',
|
||
status: msg.data?.status || null,
|
||
});
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify(validation.body));
|
||
return;
|
||
}
|
||
recordManualEditActivity('manual_edit_apply_reply_received', {
|
||
id: msg.id,
|
||
pageUrl: pendingApplyDeferred.pageUrl,
|
||
chunk: pendingApplyDeferred.event?.chunk || null,
|
||
repair: pendingApplyDeferred.event?.repair || null,
|
||
status: validation.result.status,
|
||
appliedCount: validation.result.appliedEntryIds.length,
|
||
failed: summarizeManualApplyFailures(validation.result.failed),
|
||
fileCount: validation.result.files.length,
|
||
noteCount: validation.result.notes.length,
|
||
});
|
||
manualApply.resolveDeferred(msg.id, validation.result);
|
||
acknowledgePendingEvent(msg.id);
|
||
flushPendingPolls();
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ ok: true }));
|
||
return;
|
||
}
|
||
if (manualApply.hasTimedOutId(msg.id)) {
|
||
const rollback = manualApply.rollbackTimedOutReply(msg);
|
||
recordManualEditActivity('manual_edit_apply_stale_reply_rejected', {
|
||
id: msg.id,
|
||
rolledBackFileCount: rollback.rolledBackFiles?.length || 0,
|
||
rollbackFailureCount: rollback.rollbackFailures?.length || 0,
|
||
});
|
||
res.writeHead(409, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ error: 'stale_manual_edit_apply_reply', ...rollback }));
|
||
return;
|
||
}
|
||
const pendingEventBeforeAck = findPendingEventById(msg.id);
|
||
if (pendingEventBeforeAck?.type === 'steer' && msg.type === 'steer_done'
|
||
&& !msg.file && !(typeof msg.message === 'string' && msg.message.trim())) {
|
||
res.writeHead(400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({
|
||
error: 'steer_done_requires_file_or_message',
|
||
hint: 'Reply with --file after writing source, or include a message explaining an intentional no-op.',
|
||
}));
|
||
return;
|
||
}
|
||
const acknowledgedEvent = acknowledgePendingEvent(msg.id);
|
||
let skipJournalReply = false;
|
||
let existingSession = null;
|
||
if (!acknowledgedEvent && state.sessionStore && msg.id) {
|
||
try {
|
||
existingSession = state.sessionStore.getSnapshot(msg.id, { includeCompleted: true });
|
||
if (!existingSession?.updatedAt) existingSession = null;
|
||
skipJournalReply = existingSession?.phase === 'completed' || existingSession?.phase === 'discarded';
|
||
} catch { /* fall through and record the reply normally */ }
|
||
}
|
||
if (!acknowledgedEvent && !existingSession) {
|
||
recordManualEditActivity('manual_edit_poll_reply_unknown', {
|
||
id: msg.id || null,
|
||
type: msg.type || null,
|
||
});
|
||
res.writeHead(msg.id ? 404 : 400, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({
|
||
error: msg.id ? 'unknown_poll_reply_id' : 'missing_poll_reply_id',
|
||
id: msg.id,
|
||
}));
|
||
return;
|
||
}
|
||
const replyFileMeta = sessionFileMetadataFromPollReply(msg.file);
|
||
if (state.sessionStore && msg.id && !skipJournalReply) {
|
||
try {
|
||
const eventType = msg.type === 'steer_done'
|
||
? 'steer_done'
|
||
: msg.type === 'discard' || msg.type === 'discarded'
|
||
? 'discarded'
|
||
: msg.type === 'complete'
|
||
? 'complete'
|
||
: msg.type === 'error'
|
||
? 'agent_error'
|
||
: 'agent_done';
|
||
state.sessionStore.appendEvent({
|
||
type: eventType,
|
||
id: msg.id,
|
||
file: replyFileMeta.file,
|
||
sourceFile: replyFileMeta.sourceFile,
|
||
previewFile: replyFileMeta.previewFile,
|
||
previewMode: replyFileMeta.previewMode,
|
||
message: msg.message,
|
||
sourceEventType: acknowledgedEvent?.type,
|
||
carbonize: msg.data?.carbonize === true,
|
||
});
|
||
} catch { /* keep reply path best-effort; browser still needs SSE */ }
|
||
}
|
||
flushPendingPolls();
|
||
// Forward the reply to the browser via SSE
|
||
broadcast({
|
||
type: msg.type || 'done',
|
||
id: msg.id,
|
||
message: msg.message,
|
||
file: msg.file,
|
||
sourceFile: replyFileMeta.sourceFile,
|
||
previewFile: replyFileMeta.previewFile,
|
||
previewMode: replyFileMeta.previewMode,
|
||
data: msg.data,
|
||
});
|
||
res.writeHead(200, { 'Content-Type': 'application/json' });
|
||
res.end(JSON.stringify({ ok: true }));
|
||
});
|
||
}
|
||
|
||
// ---------------------------------------------------------------------------
|
||
// Lifecycle
|
||
// ---------------------------------------------------------------------------
|
||
|
||
let httpServer = null;
|
||
|
||
function shutdown() {
|
||
cleanupSvelteComponentSessionsBeforeExit();
|
||
removeLiveServerInfo(process.cwd());
|
||
if (state.leaseTimer) clearTimeout(state.leaseTimer);
|
||
state.leaseTimer = null;
|
||
if (state.sessionDir) {
|
||
try { fs.rmSync(state.sessionDir, { recursive: true, force: true }); } catch {}
|
||
}
|
||
for (const res of state.sseClients) { try { res.end(); } catch {} }
|
||
state.sseClients.clear();
|
||
for (const poll of state.pendingPolls) poll.resolve({ type: 'exit' });
|
||
state.pendingPolls.length = 0;
|
||
if (httpServer) httpServer.close();
|
||
process.exit(0);
|
||
}
|
||
|
||
function cleanupSvelteComponentSessionsBeforeExit() {
|
||
try {
|
||
removeAllSvelteComponentSessions(process.cwd());
|
||
} catch (err) {
|
||
console.warn('[impeccable] Svelte component session cleanup failed:', err.message);
|
||
}
|
||
}
|
||
|
||
function applyLegacyDeferredAcceptsOnStartup() {
|
||
try {
|
||
const result = applyDeferredSvelteComponentAccepts(process.cwd());
|
||
if (result.applied > 0 || result.failed > 0) {
|
||
console.log('[impeccable] applied legacy deferred Svelte component accepts:', JSON.stringify(result));
|
||
}
|
||
} catch (err) {
|
||
console.warn('[impeccable] legacy deferred Svelte component accept apply failed:', err.message);
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------------------
|
||
// Main
|
||
// ---------------------------------------------------------------------------
|
||
|
||
const args = process.argv.slice(2);
|
||
|
||
if (args.includes('--help') || args.includes('-h')) {
|
||
console.log(`Usage: node live-server.mjs [options]
|
||
|
||
Start the live variant mode server (zero dependencies).
|
||
|
||
Commands:
|
||
(default) Start the server (foreground)
|
||
stop Stop the server and remove the injected live.js script tag
|
||
stop --keep-inject Stop the server only (leave the script tag in the HTML entry)
|
||
|
||
Options:
|
||
--background Start detached, print connection JSON to stdout, then exit
|
||
--port=PORT Use a specific port (default: auto-detect starting at 8400)
|
||
--keep-inject Only with stop: skip live-inject.mjs --remove
|
||
--help Show this help
|
||
|
||
Endpoints:
|
||
/live.js Browser script (element picker + variant cycling)
|
||
/detect.js Detection overlay (backwards compatible)
|
||
/modern-screenshot.js Vendored modern-screenshot UMD build (lazy-loaded by live.js)
|
||
/annotation POST raw image/png to stage a variant screenshot
|
||
/events SSE stream (server→browser) + POST (browser→server)
|
||
/poll Long-poll for agent CLI
|
||
/manual-edit-stash Stage browser copy edits
|
||
/manual-edit-commit Apply staged browser copy edits
|
||
/manual-edit-discard Discard staged browser copy edits
|
||
/source Raw source file reader (no-HMR fallback)
|
||
/status Durable recovery status (token-protected)
|
||
/health Health check`);
|
||
process.exit(0);
|
||
}
|
||
|
||
if (args.includes('stop')) {
|
||
const keepInject = args.includes('--keep-inject');
|
||
try {
|
||
const { info } = readLiveServerInfo(process.cwd()) || {};
|
||
const res = await fetch(`http://localhost:${info.port}/stop?token=${info.token}`);
|
||
if (res.ok) console.log(`Stopped live server on port ${info.port}.`);
|
||
} catch {
|
||
console.log('No running live server found.');
|
||
}
|
||
if (!keepInject) {
|
||
const injectPath = path.join(__dirname, 'live-inject.mjs');
|
||
try {
|
||
const out = execFileSync(process.execPath, [injectPath, '--remove'], {
|
||
encoding: 'utf-8',
|
||
cwd: process.cwd(),
|
||
});
|
||
const line = out.trim().split('\n').filter(Boolean).pop();
|
||
if (line) {
|
||
try {
|
||
const j = JSON.parse(line);
|
||
if (j.removed === true) {
|
||
console.log(`Removed live script tag from ${j.file}.`);
|
||
}
|
||
} catch {
|
||
/* ignore non-JSON lines */
|
||
}
|
||
}
|
||
} catch (err) {
|
||
const detail = err.stderr?.toString?.().trim?.()
|
||
|| err.stdout?.toString?.().trim?.()
|
||
|| err.message
|
||
|| String(err);
|
||
console.warn(`Note: could not remove live script tag (${detail.split('\n')[0]})`);
|
||
}
|
||
}
|
||
process.exit(0);
|
||
}
|
||
|
||
// --background: spawn a detached child server, wait for it to be ready,
|
||
// print the connection JSON, then exit. This keeps the startup command
|
||
// simple (no shell backgrounding or chained commands).
|
||
if (args.includes('--background')) {
|
||
const childArgs = args.filter(a => a !== '--background');
|
||
const child = spawn(process.execPath, [fileURLToPath(import.meta.url), ...childArgs], {
|
||
detached: true,
|
||
stdio: 'ignore',
|
||
cwd: process.cwd(),
|
||
});
|
||
child.unref();
|
||
|
||
// Poll for the PID file (the child writes it once the HTTP server is listening).
|
||
const deadline = Date.now() + 10_000;
|
||
while (Date.now() < deadline) {
|
||
try {
|
||
const { info } = readLiveServerInfo(process.cwd()) || {};
|
||
if (info.pid !== process.pid) {
|
||
// Output JSON so the agent can read port + token from stdout.
|
||
console.log(JSON.stringify(info));
|
||
process.exit(0);
|
||
}
|
||
} catch { /* not ready yet */ }
|
||
await new Promise(r => setTimeout(r, 200));
|
||
}
|
||
console.error('Timed out waiting for live server to start.');
|
||
process.exit(1);
|
||
}
|
||
|
||
// Check for existing session
|
||
const existingRecord = readLiveServerInfo(process.cwd());
|
||
if (existingRecord?.info) {
|
||
const existing = existingRecord.info;
|
||
try {
|
||
process.kill(existing.pid, 0);
|
||
console.error(`Live server already running on port ${existing.port} (pid ${existing.pid}).`);
|
||
console.error('Stop it first with: node ' + path.basename(fileURLToPath(import.meta.url)) + ' stop');
|
||
process.exit(1);
|
||
} catch {
|
||
try { fs.unlinkSync(existingRecord.path); } catch {}
|
||
}
|
||
}
|
||
|
||
state.token = randomUUID();
|
||
state.sessionStore = createLiveSessionStore({ cwd: process.cwd() });
|
||
manualApply.rollbackTransaction({
|
||
reason: 'manual_edit_server_start_recovered_abandoned_transaction',
|
||
});
|
||
applyLegacyDeferredAcceptsOnStartup();
|
||
restorePendingEventsFromStore();
|
||
manualApply.pruneStaleEvidence();
|
||
const portArg = args.find(a => a.startsWith('--port='));
|
||
state.port = portArg ? parseInt(portArg.split('=')[1], 10) : await findOpenPort();
|
||
// Annotation screenshots live in the project root so the agent's Read tool
|
||
// doesn't trip a per-file permission prompt. Sessioned by token so concurrent
|
||
// projects (or quick restarts) don't collide.
|
||
const annotRoot = getLiveAnnotationsDir(process.cwd());
|
||
fs.mkdirSync(annotRoot, { recursive: true });
|
||
state.sessionDir = fs.mkdtempSync(path.join(annotRoot, 'session-'));
|
||
|
||
const { detectScript, liveScriptParts } = loadBrowserScripts();
|
||
httpServer = http.createServer(createRequestHandler({ detectScript, liveScriptParts }));
|
||
|
||
httpServer.listen(state.port, '127.0.0.1', () => {
|
||
writeLiveServerInfo(process.cwd(), { pid: process.pid, port: state.port, token: state.token });
|
||
const url = `http://localhost:${state.port}`;
|
||
console.log(`\nImpeccable live server running on ${url}`);
|
||
console.log(`Token: ${state.token}\n`);
|
||
console.log(`Script: ${url}/live.js`);
|
||
console.log('Inject: managed by live-inject.mjs; Astro source tags use is:inline automatically.');
|
||
console.log(`Stop: node ${path.basename(fileURLToPath(import.meta.url))} stop`);
|
||
});
|
||
|
||
process.on('SIGINT', shutdown);
|
||
process.on('SIGTERM', shutdown);
|