- Kept `resolveDialect("auto")` on the legacy GLM fallback when a tool-less model has no catalog-recognized dialect.
- Added `sdk-dialect` coverage for unclassified tool-less models alongside MiniMax preferred dialect routing.
- Updated the coding-agent changelog entry to mention MiniMax auto-mode routing.
- Routed `resolveDialect("auto")` through `preferredDialect(model.id)` when a tool-less model exposes an id, preserving the legacy GLM fallback for id-less models.
- Added `sdk-dialect` coverage for MiniMax and Qwen auto owned dialect selection while keeping native and explicit dialect behavior unchanged.
- Renamed ToolCallSyntax type to Dialect and Grammar interface to DialectDefinition across all packages.
- Moved grammar directory to dialect and updated all import paths in agent, ai, catalog, and coding-agent packages.
- Added renderTranscript and renderThinking methods to DialectDefinition, enabling native dialect-aware conversation serialization.
- Consolidated rendering utilities into new dialect/rendering.ts with shared helpers for ChatML, legacy text, and dialect-specific formatting.
- Updated conversation serialization in agent and coding-agent to use dialect.renderTranscript() for native turn envelope rendering.
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