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Features: - /ai setup - Setup wizard via private chat for security - /ai status - Show current config (API key masked) - /ai on/off - Enable/disable AI per chat - /ai random <1-10> - Set random trigger probability (admins) - /ai help - Detailed help - /ask-ai [text] - Generate AI response Security: - API keys only entered in private chat - API keys masked in status display - Admin-only configuration Architecture: - OpenAI-compatible client (OpenAI, Ollama, OpenRouter) - Global system prompt (.env) + group prompt (DB) - 50 message context per chat - SQLite tables: ai_settings, message_context, setup_sessions Defaults: - AI disabled by default - Trigger word: ask-ai - Random probability: 1% Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
115 lines
3.5 KiB
Markdown
115 lines
3.5 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Project Overview
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Telegram bot built with TypeScript and [Telegraf](https://telegraf.js.org/). Uses Markov chains with trigrams to generate sentences from learned messages. Optional KI/LLM integration via OpenAI-compatible API. Each chat has its own isolated data.
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## Commands
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```bash
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npm run dev # Development with hot-reload (tsx watch)
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npm run build # Compile TypeScript to dist/
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npm start # Run production build
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docker compose up -d --build # Docker deployment
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```
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## Architecture
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```
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src/
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├── index.ts # Bot entry point, commands, setup wizard
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├── markov.ts # Markov chain with trigram support
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├── database.ts # SQLite persistence layer
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└── ai.ts # OpenAI-compatible client
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```
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**Data flow (Markov):**
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1. Message received → `chain.learn(text)` → SQLite
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2. Trigger check (reply/mention/random)
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3. If triggered → `chain.generate()` → reply
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**Data flow (AI):**
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1. `/ask-ai` or trigger word detected
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2. Load last 50 messages as context
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3. Build prompt (global + group prompt)
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4. Call OpenAI-compatible API → reply
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**Per-chat isolation:**
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- Each chat has separate Markov chain data
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- Each chat has separate AI settings
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- Each chat has separate message context (50 messages)
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## Key Implementation Details
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### Markov Chain (markov.ts)
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- Uses **trigrams** (order=2): "word1 word2" → "word3"
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- Weighted random selection based on frequency
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- Generates sentences up to 20 words
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### Database (database.ts)
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- SQLite with `better-sqlite3` (synchronous API)
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- Tables:
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- `chat_settings` - Markov probability
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- `markov_transitions` - Word transitions
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- `markov_starts` - Sentence starts
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- `ai_settings` - KI configuration per chat
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- `message_context` - Last 50 messages per chat
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- `setup_sessions` - Setup wizard state
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- Automatic cleanup every 24h
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### AI Client (ai.ts)
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- OpenAI-compatible API (works with OpenAI, Ollama, OpenRouter, etc.)
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- Prompt system: Global (.env) + Group-specific (DB)
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- API key masking for security
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- Context: Last 50 messages
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### Setup Wizard
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- Started via `/ai setup` in group
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- Continues in private chat for security
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- API keys never shown in full
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- Steps: Provider → API Key → Model → URL → Trigger/Prob → Group Prompt
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## Environment
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```env
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BOT_TOKEN= # Telegram bot token (required)
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AI_DEFAULT_API_KEY= # Default API key (optional)
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AI_DEFAULT_BASE_URL= # Default API URL (default: OpenAI)
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AI_DEFAULT_MODEL= # Default model (default: gpt-4o-mini)
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AI_SYSTEM_PROMPT= # Global system prompt
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```
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## Database Schema
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```sql
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-- Markov
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chat_settings (chat_id, probability)
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markov_transitions (chat_id, key, next_word, count)
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markov_starts (chat_id, key, count)
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-- AI
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ai_settings (chat_id, enabled, trigger_word, random_prob, group_prompt, provider, base_url, model, api_key)
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message_context (chat_id, role, content, timestamp)
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setup_sessions (user_id, chat_id, step, data)
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```
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## Response Triggers
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### Markov (always active)
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1. Reply to bot's message → always respond
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2. @username mention → always respond
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3. Random probability (configurable per chat)
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### AI (when enabled)
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1. `/ask-ai [text]` command
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2. Trigger word (configurable, default: "ask-ai")
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3. Random probability (configurable, default: 0%)
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## Security
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- API keys stored in database, never logged
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- API keys masked in `/ai status` output: `sk-***...***xyz`
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- Setup only via private chat
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- Admin-only configuration commands |