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Until this PR (or some other fix) is merged, a simple workaround can help: select a different model which has a larger context window than the current one. Then compression will work. After the successful compression, the original model can be used again to continue the work. |
…ntext When the serialized conversation head no longer fits the model's usable context, compaction gave up with "Session too large to compact" and the session became unusable. Shrink the head from the oldest complete turns instead so the summarizer request fits the model context. Assisted-by: OpenCode / qwen3.8-27b-thinking (Alibaba Cloud) Signed-off-by: Stefan Weil <sw@weilnetz.de>
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When the serialized conversation head no longer fits the model's usable context, compaction gave up with "Session too large to compact" and the session became unusable. Shrink the head from the oldest complete turns instead so the summarizer request fits the model context.
Assisted-by: OpenCode / qwen3.8-27b-thinking (Alibaba Cloud)
Issue for this PR
Fixes #29857, #48844 and maybe some more
Type of change
What does this PR do?
When the serialized conversation head no longer fits the model's usable context, compaction gave up with "Session too large to compact" and the session became unusable. Shrink the head from the oldest complete turns instead so the summarizer request fits the model context.
How did you verify your code works?
Tested in local work.
Screenshots / recordings
No UI change.
Checklist