commit b78f88ba1797bafd947b80c8f041facf3c15bd32
Author: multipleof4 <planetrenox@protonmail.com>
Date:   Tue Sep 9 00:14:14 2025 -0700

    Initial commit

diff --git a/.github/workflows/deep.yml b/.github/workflows/deep.yml
new file mode 100644
index 0000000..2c3051d
--- /dev/null
+++ b/.github/workflows/deep.yml
@@ -0,0 +1,11 @@
+on:
+  workflow_dispatch:
+  push:
+jobs:
+  deploy-cloudflare:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4138168
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,167 @@
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+\*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+\*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+\*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+\*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.cache
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+.cache/
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+.cache
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.\*
+
+# wrangler project
+
+.dev.vars*
+!.dev.vars.example
+.env*
+!.env.example
+.wrangler/
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..c9ab0f3
--- /dev/null
+++ b/index.js
@@ -0,0 +1,332 @@
+import OpenAI from 'openai';
+
+const TTL_MS = 20 * 60 * 1000;
+const BATCH_MS = 800;
+const BATCH_BYTES = 3400;
+// SNAPSHOT_MIN_MS is no longer needed as we removed throttled saving.
+
+// Heartbeat configuration: run every 4s while streaming to prevent eviction.
+const HB_INTERVAL_MS = 3000;
+const MAX_RUN_MS = 15 * 60 * 1000;
+
+const CORS_HEADERS = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Methods': 'GET, OPTIONS',
+  'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+  'Access-Control-Max-Age': '86400',
+};
+
+const withCORS = (resp) => {
+  const headers = new Headers(resp.headers);
+  Object.entries(CORS_HEADERS).forEach(([k, v]) => headers.set(k, v));
+  return new Response(resp.body, { ...resp, headers });
+};
+
+export default {
+  async fetch(req, env) {
+    const url = new URL(req.url);
+    const method = req.method.toUpperCase();
+
+    if (method === 'OPTIONS') return new Response(null, { status: 204, headers: CORS_HEADERS });
+
+    if ((h => h !== 'sune.planetrenox.com' && !h.endsWith('.github.io'))(new URL(req.headers.get('Origin') || 'null').hostname)) return withCORS(new Response('Forbidden', { status: 403 }));
+
+    if (url.pathname === '/ws') {
+      const isGet = method === 'GET';
+      const isWs = req.headers.get('Upgrade') === 'websocket';
+      if (!isGet && !isWs) return withCORS(new Response('method not allowed', { status: 405 }));
+
+      const rawUid = url.searchParams.get('uid') || 'anon';
+      const uid = String(rawUid).slice(0, 64).replace(/[^a-zA-Z0-9_-]/g, '') || 'anon';
+      const id = env.MY_DURABLE_OBJECT.idFromName(uid);
+      const stub = env.MY_DURABLE_OBJECT.get(id);
+      
+      const resp = await stub.fetch(req);
+      return isWs ? resp : withCORS(resp);
+    }
+
+    return withCORS(new Response('not found', { status: 404 }));
+  }
+}
+
+export class MyDurableObject {
+  constructor(state, env) {
+    this.state = state;
+    this.env = env;
+    this.sockets = new Set();
+    this.reset();
+  }
+
+  reset() {
+    this.rid = null;
+    this.buffer = [];
+    this.seq = -1;
+    this.phase = 'idle';
+    this.error = null;
+    this.controller = null;
+    this.oaStream = null;
+    this.pending = '';
+    this.flushTimer = null;
+    this.lastSavedAt = 0;
+    this.lastFlushedAt = 0;
+    this.hbActive = false;
+    this.age = 0;
+  }
+
+  corsJSON(obj, status = 200) {
+    return new Response(JSON.stringify(obj), { status, headers: { 'Content-Type': 'application/json', 'Cache-Control': 'no-store', ...CORS_HEADERS } });
+  }
+
+  send(ws, obj) { try { ws.send(JSON.stringify(obj)); } catch {} }
+
+  bcast(obj) { this.sockets.forEach(ws => this.send(ws, obj)); }
+
+  async autopsy() {
+    if (this.rid) return;
+    
+    const snap = await this.state.storage.get('run').catch(() => null);
+    if (!snap || (Date.now() - (snap.savedAt || 0) >= TTL_MS)) {
+      if (snap) await this.state.storage.delete('run').catch(() => {});
+      return;
+    }
+
+    this.rid = snap.rid || null;
+    this.buffer = Array.isArray(snap.buffer) ? snap.buffer : [];
+    this.seq = Number.isFinite(+snap.seq) ? +snap.seq : -1;
+    this.age = snap.age || 0;
+    this.phase = snap.phase || 'done';
+    this.error = snap.error || null;
+    this.pending = '';
+
+    if (this.phase === 'running') {
+      this.phase = 'evicted';
+      this.error = 'The run was interrupted due to system eviction.';
+      this.saveSnapshot(); // Persist the final 'evicted' state.
+      this.stopHeartbeat().catch(() => {});
+    }
+  }
+
+  saveSnapshot() {
+    this.lastSavedAt = Date.now();
+    return this.state.storage.put('run', { rid: this.rid, buffer: this.buffer, seq: this.seq, age: this.age, phase: this.phase, error: this.error, savedAt: this.lastSavedAt }).catch(() => {});
+  }
+
+  replay(ws, after) {
+    this.buffer.forEach(it => { if (it.seq > after) this.send(ws, { type: 'delta', seq: it.seq, text: it.text }); });
+    if (this.phase === 'done') this.send(ws, { type: 'done' });
+    else if (['error', 'evicted'].includes(this.phase)) this.send(ws, { type: 'err', message: this.error || 'The run was terminated unexpectedly.' });
+  }
+
+  flush(force = false) {
+    if (this.flushTimer) { clearTimeout(this.flushTimer); this.flushTimer = null; }
+    if (this.pending) {
+      this.buffer.push({ seq: ++this.seq, text: this.pending });
+      this.bcast({ type: 'delta', seq: this.seq, text: this.pending });
+      this.pending = '';
+      this.lastFlushedAt = Date.now();
+    }
+    if (force) this.saveSnapshot();
+  }
+
+  queueDelta(text) {
+    if (!text) return;
+    this.pending += text;
+    if (this.pending.length >= BATCH_BYTES) this.flush(false);
+    else if (!this.flushTimer) this.flushTimer = setTimeout(() => this.flush(false), BATCH_MS);
+  }
+
+  async fetch(req) {
+    if (req.method === 'OPTIONS') return new Response(null, { status: 204, headers: CORS_HEADERS });
+    if (req.headers.get('Upgrade') === 'websocket') {
+      const [client, server] = Object.values(new WebSocketPair());
+      server.accept();
+      this.sockets.add(server);
+      server.addEventListener('close', () => this.sockets.delete(server));
+      server.addEventListener('message', e => this.state.waitUntil(this.onMessage(server, e)));
+      return new Response(null, { status: 101, webSocket: client });
+    }
+    if (req.method === 'GET') {
+      await this.autopsy();
+      const text = this.buffer.map(it => it.text).join('') + this.pending;
+      const isTerminal = ['done', 'error', 'evicted'].includes(this.phase);
+      const isError = ['error', 'evicted'].includes(this.phase);
+
+      return this.corsJSON({ rid: this.rid, seq: this.seq, phase: this.phase, done: isTerminal, error: isError ? (this.error || 'The run was terminated unexpectedly.') : null, text });
+    }
+    return this.corsJSON({ error: 'not allowed' }, 405);
+  }
+
+  async onMessage(ws, evt) {
+    await this.autopsy();
+    let msg;
+    try { msg = JSON.parse(String(evt.data || '')); }
+    catch { return this.send(ws, { type: 'err', message: 'bad_json' }); }
+
+    if (msg.type === 'stop') { if (msg.rid && msg.rid === this.rid) this.stop(); return; }
+    if (msg.type !== 'begin') return this.send(ws, { type: 'err', message: 'bad_type' });
+
+    const { rid, apiKey, or_body, model, messages, after, provider } = msg;
+    const body = or_body || (model && Array.isArray(messages) ? { model, messages, stream: true, ...msg } : null);
+
+    if (!rid || !apiKey || !body || !Array.isArray(body.messages) || body.messages.length === 0) return this.send(ws, { type: 'err', message: 'missing_fields' });
+    if (this.phase === 'running' && rid !== this.rid) return this.send(ws, { type: 'err', message: 'busy' });
+    if (rid === this.rid && this.phase !== 'idle') return this.replay(ws, Number.isFinite(+after) ? +after : -1);
+
+    this.reset();
+    this.rid = rid;
+    this.phase = 'running';
+    this.controller = new AbortController();
+    await this.saveSnapshot();
+
+    this.state.waitUntil(this.startHeartbeat());
+    this.state.waitUntil(this.stream({ apiKey, body, provider: provider || 'openrouter' }));
+  }
+
+  async stream({ apiKey, body, provider }) {
+    try {
+      if (provider === 'openai') await this.streamOpenAI({ apiKey, body });
+      else if (provider === 'google') await this.streamGoogle({ apiKey, body });
+      else await this.streamOpenRouter({ apiKey, body });
+      if (this.phase === 'running') this.stop();
+    } catch (e) {
+      if (this.phase === 'running') {
+        const msg = String(e?.message || 'stream_failed');
+        if (!((e && e.name === 'AbortError') || /abort/i.test(msg))) this.fail(msg);
+      }
+    }
+  }
+
+  isMultimodalMessage(m) { return m && Array.isArray(m.content) && m.content.some(p => p?.type && p.type !== 'text' && p.type !== 'input_text'); }
+
+  extractTextFromMessage(m) {
+    if (!m) return '';
+    if (typeof m.content === 'string') return String(m.content);
+    if (!Array.isArray(m.content)) return '';
+    return m.content.filter(p => p && ['text', 'input_text'].includes(p.type)).map(p => String(p.type === 'text' ? (p.text ?? p.content ?? '') : (p.text ?? ''))).join('');
+  }
+
+  mapContentPartToResponses(part) {
+    const type = part?.type || 'text';
+    if (['image_url', 'input_image'].includes(type)) return (part?.image_url?.url || part?.image_url) ? { type: 'input_image', image_url: String(part?.image_url?.url || part?.image_url) } : null;
+    if (['text', 'input_text'].includes(type)) return { type: 'input_text', text: String(type === 'text' ? (part.text ?? part.content ?? '') : (part.text ?? '')) };
+    return { type: 'input_text', text: `[${type}:${part?.file?.filename || 'file'}]` };
+  }
+
+  buildInputForResponses(messages) {
+    if (!Array.isArray(messages) || messages.length === 0) return '';
+    if (!messages.some(m => this.isMultimodalMessage(m))) {
+      if (messages.length === 1) return this.extractTextFromMessage(messages[0]);
+      return messages.map(m => ({ role: m.role, content: this.extractTextFromMessage(m) }));
+    }
+    return messages.map(m => ({ role: m.role, content: Array.isArray(m.content) ? m.content.map(p => this.mapContentPartToResponses(p)).filter(Boolean) : [{ type: 'input_text', text: String(m.content || '') }] }));
+  }
+
+  mapToGoogleContents(messages) {
+    const contents = messages.reduce((acc, m) => {
+      const role = m.role === 'assistant' ? 'model' : 'user', text = this.extractTextFromMessage(m);
+      if (!text) return acc;
+      if (acc.length > 0 && acc.at(-1).role === role) acc.at(-1).parts.push({ text });
+      else acc.push({ role, parts: [{ text }] });
+      return acc;
+    }, []);
+    if (contents.at(-1)?.role !== 'user') contents.pop();
+    return contents;
+  }
+
+  async streamOpenAI({ apiKey, body }) {
+    const client = new OpenAI({ apiKey });
+    const params = { model: body.model, input: this.buildInputForResponses(body.messages || []), temperature: body.temperature, stream: true };
+    if (Number.isFinite(+body.max_tokens) && +body.max_tokens > 0) params.max_output_tokens = +body.max_tokens;
+    if (Number.isFinite(+body.top_p)) params.top_p = +body.top_p;
+    if (body.reasoning?.effort) params.reasoning = { effort: body.reasoning.effort };
+    if (body.verbosity) params.text = { verbosity: body.verbosity };
+
+    this.oaStream = await client.responses.stream(params);
+    try {
+      for await (const event of this.oaStream) {
+        if (this.phase !== 'running') break;
+        if (event.type.endsWith('.delta') && event.delta) this.queueDelta(event.delta);
+      }
+    } finally {
+      try { this.oaStream?.controller?.abort(); } catch {}
+      this.oaStream = null;
+    }
+  }
+
+  async streamGoogle({ apiKey, body }) {
+    const generationConfig = Object.entries({ temperature: body.temperature, topP: body.top_p, maxOutputTokens: body.max_tokens }).reduce((acc, [k, v]) => (Number.isFinite(+v) && +v >= 0 ? { ...acc, [k]: +v } : acc), {});
+    const payload = { contents: this.mapToGoogleContents(body.messages), ...(Object.keys(generationConfig).length && { generationConfig }) };
+    const resp = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/${body.model}:streamGenerateContent?alt=sse`, { method: 'POST', headers: { 'Content-Type': 'application/json', 'x-goog-api-key': apiKey }, body: JSON.stringify(payload), signal: this.controller.signal });
+    if (!resp.ok) throw new Error(`Google API error: ${resp.status} ${await resp.text()}`);
+    const reader = resp.body.getReader();
+    const decoder = new TextDecoder();
+    let buffer = '';
+    while (this.phase === 'running') {
+      const { done, value } = await reader.read();
+      if (done) break;
+      buffer += decoder.decode(value, { stream: true });
+      const lines = buffer.split('\n');
+      buffer = lines.pop();
+      lines.forEach(line => {
+        if (!line.startsWith('data: ')) return;
+        try { this.queueDelta(JSON.parse(line.substring(6)).candidates?.[0]?.content?.parts?.[0]?.text ?? ''); } catch {}
+      });
+    }
+  }
+
+  async streamOpenRouter({ apiKey, body }) {
+    const client = new OpenAI({ apiKey, baseURL: 'https://openrouter.ai/api/v1' });
+    const stream = await client.chat.completions.create({ ...body, stream: true }, { signal: this.controller.signal });
+    for await (const chunk of stream) {
+      if (this.phase !== 'running') break;
+      const delta = chunk?.choices?.[0]?.delta?.content ?? '';
+      if (delta) this.queueDelta(delta);
+    }
+  }
+
+  stop() {
+    if (this.phase !== 'running') return;
+    this.flush(true);
+    this.phase = 'done';
+    this.error = null;
+    try { this.controller?.abort(); } catch {}
+    try { this.oaStream?.controller?.abort(); } catch {}
+    this.saveSnapshot();
+    this.bcast({ type: 'done' });
+    this.state.waitUntil(this.stopHeartbeat());
+  }
+
+  fail(message) {
+    if (this.phase === 'error') return;
+    this.flush(true);
+    this.phase = 'error';
+    this.error = String(message || 'stream_failed');
+    try { this.controller?.abort(); } catch {}
+    try { this.oaStream?.controller?.abort(); } catch {}
+    this.saveSnapshot();
+    this.bcast({ type: 'err', message: this.error });
+    this.state.waitUntil(this.stopHeartbeat());
+  }
+
+  async startHeartbeat() {
+    if (this.hbActive || this.phase !== 'running') return;
+    this.hbActive = true;
+    try { await this.state.storage.setAlarm(Date.now() + HB_INTERVAL_MS); } catch {}
+  }
+
+  async stopHeartbeat() {
+    this.hbActive = false;
+    try { await this.state.storage.setAlarm(null); } catch {}
+  }
+
+  async Heart() {
+    if (this.phase !== 'running' || !this.hbActive) return await this.stopHeartbeat();
+    if (++this.age * HB_INTERVAL_MS >= MAX_RUN_MS) return this.fail('Run timed out after 15 minutes.');
+    try { await this.state.storage.setAlarm(Date.now() + HB_INTERVAL_MS); } catch {}
+  }
+
+  async alarm() {
+    await this.autopsy();
+    await this.Heart();
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..c8ea38b
--- /dev/null
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "orp",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "deploy": "wrangler deploy",
+    "dev": "wrangler dev",
+    "start": "wrangler dev"
+  },
+  "dependencies": {
+    "openai": "5.16.*"
+  },
+  "devDependencies": {
+    "wrangler": "4.33.*"
+  }
+}
diff --git a/wrangler.toml b/wrangler.toml
new file mode 100644
index 0000000..a398e4b
--- /dev/null
+++ b/wrangler.toml
@@ -0,0 +1,41 @@
+# For more details on how to configure Wrangler, refer to:
+# https://developers.cloudflare.com/workers/wrangler/configuration/
+
+name = "orp"
+main = "index.js"
+compatibility_date = "2025-08-24"
+
+# Durable Objects
+[[migrations]]
+tag = "v1"
+new_sqlite_classes = ["MyDurableObject"]
+
+[durable_objects]
+bindings = [
+  { name = "MY_DURABLE_OBJECT", class_name = "MyDurableObject" }
+]
+
+[observability]
+enabled = true
+
+# Smart Placement
+# Docs: https://developers.cloudflare.com/workers/configuration/smart-placement/#smart-placement
+# [placement]
+# mode = "smart"
+
+# Environment Variables
+# https://developers.cloudflare.com/workers/wrangler/configuration/#environment-variables
+# [vars]
+# MY_VARIABLE = "production_value"
+
+# Static Assets
+# https://developers.cloudflare.com/workers/static-assets/binding/
+# [assets]
+# directory = "./public/"
+# binding = "ASSETS"
+
+# Service Bindings (communicate between multiple Workers)
+# https://developers.cloudflare.com/workers/wrangler/configuration/#service-bindings
+# [[services]]
+# binding = "MY_SERVICE"
+# service = "my-service"