You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
CompactionArea: what it touches
ImprovementsKind: in v2.1.232,
ImprovementsSection of the release
What
When the conversation is over budget, the warning now says which kind of limit was hit: a hard token limit produces the "Context exceeds the N-token limit" wording, and anything else produces the compaction-window wording.
Details
The same distinction is exposed to tooling as an over-limit object carrying how many tokens over you are and which kind it is.
The field is documented as describing how the window was resolved, not as a prediction of whether the API will accept the request.
Evidence
"Present when total_tokens exceeds raw_max_tokens. kind says how the window was resolved
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
