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xCyanGrizzly
106700b13f
After the TDLib upgrade in 18a0efb, getForumTopicList returned 0 topics
for every forum channel. Confirmed in production logs:
"title":"Model Printing Emporium","topicCount":0
"title":"GB_Butler_Bot2","topicCount":0
"title":"Darnascus 2 : Flamigos Miniatures","topicCount":0
Cycle results: messagesScanned=0, zipsFound=0 — main account's entire
ingestion pipeline was a no-op because all source channels are forums.
Root cause: TDLib 1.8.64 renamed three fields without bumping the
breaking-change indicator we'd notice:
Request offset_message_thread_id → offset_forum_topic_id
Response next_offset_message_thread_id → next_offset_forum_topic_id
Response topics[].info.message_thread_id → topics[].info.forum_topic_id
The old field names became no-ops in the new TDLib, so every request
came back with an empty topic list and the "stuck pagination" detection
correctly bailed out.
Fix: send the new field name on the request side, read both old and
new names on the response side (so a future TDLib version change in
either direction stays handled).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>