fix(core): use catalog small model for session titles#36563
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rekram1-node wants to merge 5 commits into
Open
fix(core): use catalog small model for session titles#36563rekram1-node wants to merge 5 commits into
rekram1-node wants to merge 5 commits into
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Prefer Catalog.model.small over the session model when the title agent has no explicit model, falling back to the session model if small selection is unavailable.
Keep single-use model selection at the title generation call site.
Replace the opencode gpt-5-nano hardcode and cost/name heuristic with V1-style family priority: newest model in gpt-nano / gemini-flash / claude-haiku (with opencode and copilot family order, Bedrock region prefix handling, and Azure skip). No small_model config.
Match V1 copilot title behavior by preferring picker-disabled utility models before family priority, and cover title/small fallback edges.
Move copilot utility-model preference out of core selection into the github-copilot plugin by exposing catalog.model.small set/get/remove on the transform draft.
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Summary
Catalog.model.small(provider)when the title agent has no explicit modelTest plan
bun test test/session-title.test.tsinpackages/corebun typecheckinpackages/core