fix(telegram): aggregate split text messages before dispatching#1674
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fix(telegram): aggregate split text messages before dispatching#1674
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When a user sends a long message, Telegram clients split it into multiple updates that arrive within milliseconds of each other. Previously each chunk was dispatched independently — the first would start the agent, and subsequent chunks would interrupt or queue as separate turns, causing the agent to only see part of the message. Add text message batching to TelegramAdapter following the same pattern as the existing photo burst batching: - _enqueue_text_event() buffers text by session key, concatenating chunks that arrive in rapid succession - _flush_text_batch() dispatches the combined message after a 0.6s quiet period (configurable via HERMES_TELEGRAM_TEXT_BATCH_DELAY_SECONDS) - Timer resets on each new chunk, so all parts of a split arrive before the batch is dispatched Reported by NulledVector on Discord.
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What this PR does
Fixes the bug where Telegram splits a long user message into multiple updates and the agent only processes the first chunk.
The problem
When a user sends a message longer than ~4096 chars, Telegram clients split it into multiple messages that arrive as separate updates within milliseconds. Previously, each chunk was dispatched independently:
The fix
Add text message batching to
TelegramAdapter, following the exact same pattern as the existing photo burst batching:_enqueue_text_event()— buffers text by session key, concatenating chunks_flush_text_batch()— dispatches the combined message after a 0.6s quiet periodHERMES_TELEGRAM_TEXT_BATCH_DELAY_SECONDSenv var (default: 0.6s)Tests
5 new tests covering single message dispatch, 2-way and 3-way split aggregation, cross-chat isolation, and cleanup.
Reported by NulledVector on Discord.