Release v0.16.37 · TVScoundrel/agentforge

Added focused builder public-behavior coverage in packages/core/tests/tools/builder-basic.test.ts, builder-metadata.test.ts, builder-validation.test.ts, builder-typing.test.ts, builder-safe.test.ts, and builder-relations.test.ts
Added story documentation in docs/st09050-tool-builder-modularization.md capturing the file split, validation evidence, and no-regression baseline outcome
Added targeted metadata regressions covering .tags(...).tag(...), .limitations(...).limitation(...), and repeated .example(...) accumulation so builder append semantics stay stable after the modularization split

Reduced packages/core/src/tools/builder.ts from a mixed-responsibility 434 line implementation to a small public facade below the 300 line planning cutoff
Extracted focused internal builder modules in packages/core/src/tools/builder-metadata.ts, builder-implementation.ts, and builder-finalize.ts
Preserved the public ToolBuilder and toolBuilder export surface while making metadata cloning, invoke wrapping, and build-time validation easier to review and evolve in smaller slices

Replaced the 697 line packages/core/tests/tools/builder.test.ts monolith with focused suites that mirror builder metadata, validation, typing, safe execution, and relation boundaries
Switched the new builder internals to explicit type-only imports to keep the module boundaries aligned with the rest of packages/core/src/tools
Removed brittle hard-coded line counts from the story evidence doc and restored in-place append semantics for tags, limitations, and examples in the extracted metadata helpers
Kept builder behavior and the explicit-any baseline stable at workspace 84/289 and core 23/119

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