Sprint 272: fitness-routed polyglot test projects — Phase 2 (steps 1888-1892)
Added PolyglotProjectSpec data model and three concrete 2-language test
project fixtures, all routing correctly via LanguageFitnessScorer.
New headers:
- PolyglotProjectSpec.h: PolyglotInterface, PolyglotSection, PolyglotProjectSpec,
PolyglotFitnessRouter (explicit override + auto-routing via scorer)
- PolySortProject.h: sort-core → Rust, data-gen → Python
- PolyApiProject.h: http-server → Go, api-client → TypeScript
- PolyParseProject.h: lexer → C++, ast-transform → Haskell
- Sprint272IntegrationSummary.h
25/25 tests passing (steps 1888-1892). All new headers ≤ 600 lines.
tools/claude/tools.json: added whetstone_score_language_fitness (tool 91).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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