{"version":"2.1.228","anchor":"streaming-shape-tweaks-for-thinking-usage-and-compaction","canonical_anchor":"streaming-shape-tweaks-for-thinking-usage-and-compaction","heading":"Streaming shape tweaks for thinking, usage and compaction","tier":"internal","area":"Elsewhere","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.228\/e\/streaming-shape-tweaks-for-thinking-usage-and-compaction","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.228","markdown":"### Streaming shape tweaks for thinking, usage and compaction\n\nThinking updates always carry a token estimate, and compacted blocks keep their encrypted content.\n\n**What**\n\nThinking deltas now always carry an estimated token count, sending null when there is none rather than omitting the field, and readers turn that back into an absent value. Usage records default to a null output token breakdown, and accumulated compaction blocks now keep the encrypted content from the delta.\n\n**Evidence**\n\n`output_tokens_details: null`\n\n- Area: Elsewhere\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 2\/5"}