chengyongru f824a629a8 feat(memory): add git-backed version control for dream memory files
- Add GitStore class wrapping dulwich for memory file versioning
- Auto-commit memory changes during Dream consolidation
- Add /dream-log and /dream-restore commands for history browsing
- Pass tracked_files as constructor param, generate .gitignore dynamically
2026-04-03 00:32:54 +08:00
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