docs: update CHANGELOG and ROADMAP for v2.0.2 release

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

CHANGELOG.md

@@ -19,6 +19,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## [2.0.2] - 2026-02-10
+
+### Changed
+- Exclude generated JSON schema files from git tracking
+- Add `packages/spec/json-schema/` to `.gitignore` (1277 generated files, 5MB)
+- JSON schema files are still generated during `pnpm build` and included in npm publish
+- Fix studio module resolution logic for better compatibility
+- Updated all packages to version 2.0.2 with unified versioning
+
 ## [2.0.1] - 2026-02-09
 
 ### Changed
@@ -231,7 +240,9 @@ Mark breaking changes clearly:
 
 ---
 
-[Unreleased]: https://github.com/objectstack-ai/spec/compare/v0.9.1...HEAD
+[Unreleased]: https://github.com/objectstack-ai/spec/compare/v2.0.2...HEAD
+[2.0.2]: https://github.com/objectstack-ai/spec/compare/v2.0.1...v2.0.2
+[2.0.1]: https://github.com/objectstack-ai/spec/compare/v0.9.1...v2.0.1
 [0.9.1]: https://github.com/objectstack-ai/spec/compare/v0.9.0...v0.9.1
 [0.9.0]: https://github.com/objectstack-ai/spec/compare/v0.8.2...v0.9.0
 [0.8.2]: https://github.com/objectstack-ai/spec/compare/v0.8.1...v0.8.2

ROADMAP.md

@@ -1,7 +1,7 @@
 # ObjectStack — Next-Phase Optimization & Improvement Roadmap
 
-> **Date:** 2026-02-09  
-> **Current Version:** 2.0.1  
+> **Date:** 2026-02-10  
+> **Current Version:** 2.0.2  
 > **Based On:** Full codebase scan of 18 packages (96 Zod schemas, 73 test files, ~26,500 LOC in spec)  
 > **Previous Plan Status:** `packages/spec/DEVELOPMENT_PLAN.md` Phase 1–4 ✅ **Complete**