Sync adabot changes on top of origin/main

Includes:
- memory-neo4j: four-phase sleep cycle (dedup, decay, extraction, cleanup)
- memory-neo4j: full plugin implementation with hybrid search
- memory-lancedb: updates and benchmarks
- OpenSpec workflow skills and commands
- Session memory hooks
- Various CLI and config improvements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

package.json

@@ -209,7 +209,7 @@
   "engines": {
     "node": ">=22.12.0"
   },
-  "packageManager": "pnpm@10.23.0",
+  "packageManager": "pnpm@10.28.2",
   "pnpm": {
     "minimumReleaseAge": 2880,
     "overrides": {