v0.9.0

One memory across your machines, and a store that answers "why".

Added

• ygg sync --repo <your-git-repo> — cross-machine memory sync through a repo
  YOU own (GitHub private, Gitea, even a bare repo on a USB stick). The store
  travels as one byte-deterministic JSON file per memory plus a relations.jsonl
  (git union-merge driver); no relay, no account, no cloud in the loop. One
  command converges both machines: export → commit → pull → import with a
  deterministic merge policy (archive-anywhere-holds-everywhere, longer content
  wins, confidence max, pinned OR) → re-export → push. Counters and vectors stay
  per-machine by design.
• Relation graph — memories can SOLVE, SUPERSEDE, or CONTRADICT each other.
  Typed, idempotent edges answer why a memory exists and what replaced it:
  ygg remember --solves/--supersedes/--contradicts links at write time (also
  exposed on the ygg_remember MCP tool, so an agent saving a fix can close the
  follow-up it resolves); ygg supersede --by records the replacement;
  ygg review dup consolidation now leaves SUPERSEDES edges instead of bare
  archives. Inspect with ygg relations --id (both directions, with previews).
• ygg seed --schedule HH:MM — nightly auto-distill. Installs a
  calendar-fired LaunchAgent that distills what changed since the last run and
  exits; off removes it, status reports. Incremental state + dedup keep the
  nightly run cheap; a dead Ollama just means those files retry the next night.

Fixed

• Python 3.10 crash in ygg review / reports / materialize — the code used
  datetime.UTC, an alias that only exists on Python 3.11+. 0.8.0 on PyPI is
  affected on 3.10; upgrade.
• Windows: explicit UTF-8 everywhere. Text IO carrying memory content relied
  on the locale encoding (cp1252), which crashed ygg export-native on the 🌳 in
  the managed block; Codex session routing compared against str(path) and never
  matched Windows backslash paths (as_posix() now).
• The release pipeline itself: publishing from a detached HEAD (e.g. a checked-out
  tag) no longer fails with "not a full refname" — pushes name the target branch.