personal memory agent

release: bump to 0.6.5 master

Comprehensive main delta since v0.6.4 (34 commits): support deterministic-send arc (model drafts / owner confirms / code submits), journal pipeline-robustness watchdogs + catchup-rescan-loop fix, convey web-UI password removal, PL pairing CA-fingerprint pin, multi-address v05 pair-link + by-code pairing removal, sol-ring status mark, consent handoff show-link fix, aarch64 CUDA install arch-gate, plus smaller fixes. CHANGELOG drafted via the CMO changelog-voice recipe. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>