v0.12.0

What's Changed

• feat: add property-based fuzzing harness, trace minimization, and CLI (#220, #221, #222, #217) by @dgenio in #223
• feat: benchmark evidence + maintained provider price table (#103, #156, #207) by @dgenio in #224
• feat: README/landing-page conversion overhaul (#225, #227, #228, #229, #232) by @dgenio in #235
• build: Python 3.14 support + library-grade dependency floors (#215, #236) by @dgenio in #237
• feat(executor): version-targeted execution, flow cancellation, and flow composition (#201, #142, #75) by @dgenio in #238
• feat: offline LLM-assisted flow compiler and description optimizer (#28, #100) by @dgenio in #239
• feat: runtime flow learning — ChainObserver, chainweaver record, ChainWeaverService (#78, #226, #101) by @dgenio in #240
• feat: real Weaver Stack interop via weaver-contracts (#233, #234) by @dgenio in #241
• feat: chainweaver serve MCP server + integrations distribution (#230, #231) by @dgenio in #242
• feat: chainweaver-action emits PR annotations + CI flow validation (#149) by @dgenio in #245
• feat(mcp): migrate FlowServer to standalone fastmcp 3.x (#243) by @dgenio in #246
• feat: lesson candidates from traces (#210) + ecosystem-validation research (#17) by @dgenio in #249
• build(deps): bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #247
• build(deps): bump actions/upload-artifact from 4 to 7 by @dependabot[bot] in #248
• fix(mcp): resolve [mcp] extra in registry manifest fresh-client launch (#250) by @dgenio in #251
• feat(playground): interactive zero-install Streamlit playground (#81) by @dgenio in #252

Full Changelog: v0.11.0...v0.12.0