472b6bce4d
Created comprehensive formal release notes for the v3.0.0 (Minimal Local Source-Code Workflow) and v3.1.0 (Actor Compiler + Full LLM Integration) milestones, along with a release notes index. New files: - docs/release-notes/index.md: Index of all release notes with release series overview and guidance on how to read release notes - docs/release-notes/v3.0.0.md: Full release notes for v3.0.0 covering plan lifecycle (Action→Strategize→Execute→Apply), git worktree sandbox, SQLite persistence, actor-based LLM path, ChangeSet tracking, Pydantic v2 domain models, CLI commands, and ADR references - docs/release-notes/v3.1.0.md: Full release notes for v3.1.0 covering Actor YAML→LangGraph compilation, MCP adapter, validation runner, multi-file generation, skill registry, Agent Skills standard, LSP integration, breaking changes, and migration guide Updated CHANGELOG.md: - Expanded [3.0.0] section with detailed bullet points for each major feature, ADR references, and a link to the full release notes - Expanded [3.1.0] section with detailed bullet points for each major feature, ADR references, breaking changes, and a link to the full release notes