Files
optimclaw/channels-src/telegram/telegram.capabilities.json
T
serrrfiratandClaude Opus 4.6 bbb2d5c4dd feat: add audio transcription pipeline with OpenAI Whisper and Telegram voice notes (#90)
Adds speech-to-text support so WASM channels can emit audio attachments
that get automatically transcribed before reaching the agent. Telegram
voice notes are the first integration — downloaded via Bot API and
transcribed via OpenAI Whisper.

- Extend WIT with attachment-kind, attachment records on emitted-message
- Add Attachment/AttachmentKind types to channel.rs and IncomingMessage
- Add TranscriptionProvider trait, AudioFormat enum, TranscriptionMiddleware
- Implement OpenAI Whisper provider (multipart POST, 25MB limit)
- Add TranscriptionConfig + TranscriptionSettings with env var overrides
- Parse Telegram voice messages, download via getFile, emit as attachments
- Apply transcription in both process/dispatch emitted message paths
- Graceful degradation: download failures show "[Voice note: download failed]"
- Validate attachment sizes (10MB max), drop oversized without losing message

Co-Authored-By: Claude Opus 4.6 <[email protected]>
2026-02-21 14:56:08 +04:00

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{"type":"channel","name":"telegram","description":"Telegram Bot API channel for receiving and responding to Telegram messages","capabilities":{"http":{"allowlist":[{"host":"api.telegram.org","path_prefix":"/bot"},{"host":"api.telegram.org","path_prefix":"/file/bot"}],"credentials":{"telegram_bot":{"secret_name":"telegram_bot_token","location":{"type":"url_path","placeholder":"{TELEGRAM_BOT_TOKEN}"},"host_patterns":["api.telegram.org"]}},"rate_limit":{"requests_per_minute":30,"requests_per_hour":1000}},"secrets":{"allowed_names":["telegram_*"]},"channel":{"allowed_paths":["/webhook/telegram"],"allow_polling":true,"min_poll_interval_ms":30000,"workspace_prefix":"channels/telegram/","emit_rate_limit":{"messages_per_minute":100,"messages_per_hour":5000}}},"config":{"bot_username":null,"owner_id":null,"respond_to_all_group_messages":false,"polling_enabled":false,"poll_interval_ms":30000,"dm_policy":"pairing","allow_from":[]}}