v0.3.0

Changelog

• 09b0e0f Merge pull request #1 from jbrahy/feat/phaseflow-integration
• e35c521 docs: cut CHANGELOG 0.3.0 for the PhaseFlow release
• 0fe3457 fix(phaseflow): flip the leftmost checkbox, not a marker in the description
• aa2eccb fix(phaseflow): patch review findings (path traversal, error handling, privacy)
• b8c3a2c docs: add PROJECT.md conventions; gitignore local session state
• 8c6c8e2 docs: document phase done/sync/archive and full command surface
• 5babd29 docs(phaseflow): sharpen code comments to explain intent, not restate code
• ebdd370 feat(phaseflow): port deterministic state & milestone bookkeeping to Go
• 66dff35 feat(phaseflow): make the full embedded command surface runnable
• b27fdca docs: document PhaseFlow integration (README, CHANGELOG, CREDITS)
• 9c20516 feat(phaseflow): wire /phase TUI slash command
• dba61a1 feat(phaseflow): wire gophermind phase CLI subcommand
• be40993 feat(phaseflow): command engine (init, status, next, step prompts)
• 67ebb94 feat(phaseflow): embed vendored PhaseFlow command/agent/template assets
• 052f145 feat(phaseflow): native state model, roadmap parser, and config
• 3663538 docs: sync README/CHANGELOG/CONTRIBUTING/RELEASING with v0.2.0