What
Filters out orphaned assistant thinking blocks that don't have associated content.
Details
- Removes assistant messages that contain only thinking/redacted_thinking blocks
- Logs filtered messages via
tengu_filtered_orphaned_thinking_messagetelemetry - Prevents display issues from incomplete responses
Evidence
Su2() at line 510058 (filtering logic, contains "tengu_filtered_orphaned_thinking")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.