v2.1.0-alpha.617

Changes

docs: expand developer endpoints page with mapping pipeline (97a9ece6)
test: cover sendHaMessage timeout and pass-through behavior (bd33b806)
style: tighten comment and log voice across backend (8f5d0a4f)
test: cover bridge storage migrations v1 through v5 (1f166312)
chore: extend pnpm overrides to clear transitive cves (d65d9d7b)
chore: align node version across dockerfiles and docs workflow (4c485d7d)

⚠️ This is an alpha release - use at your own risk!