feat: grid override file — .codedb/model_grid.toml (#269)#422
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feat: grid override file — .codedb/model_grid.toml (#269)#422
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…ides (#269) Adds TOML-based model override system to runtime/grid.zig: - parseOverrides(): parses minimal TOML format with [role] sections, model = "tier" and rationale = "reason" keys. Strips quotes, skips comments, validates tier names. - loadOverrides(): lazy-loads from .codedb/model_grid.toml with caching - overrideTierForRole(): looks up override tier for a role - resolveModel() updated: override file → grid → mode → fallback Override files can be hand-written or generated by evolve_agent. Supports up to 32 role overrides. 7 new tests covering: basic TOML parsing, invalid tier skipping, empty content, rationale ordering, quote stripping, unquoted values, and existing resolveModel behavior preservation. All 14 grid tests pass (4 existing + 3 types + 7 new). Made-with: Cursor
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Summary
parseOverrides(): Parses minimal TOML format with[role]sections,model = "tier"andrationale = "reason"keysloadOverrides(): Lazy-loads from.codedb/model_grid.toml, caches after first readoverrideTierForRole(): Lookup override tier by role nameresolveModel(): Updated resolution chain: override file -> grid -> mode -> fallbackresetOverrides(): Clears cache for testingExample
.codedb/model_grid.toml:Test plan
zig test src/runtime/grid.zig— 14/14 tests passCloses #269
Made with Cursor