v0.9.2

Fixed

• memorius serve single-instance guard — exclusive flock on <storage.path>/serve.lock stamped with the incumbent PID (#43)

Changed

• Dropped the sentence-transformers FutureWarning by migrating to the current task-label API (#45)
• Planning docs consolidated under dev-notes/ (#42, #45, #47)
• Repo-wide pyright cleanup: 152 → 0 errors across memorius/ and tests/ — zero behavior change (#46)
• Walkable first-person vault library with realistic shelves (#50)
• Bookcase page/run instructions