2026.06.29.2

Dependency maintenance.

Gems — bundle update across all gems within Gemfile constraints:
rubocop 1.85→1.88, rubocop-rails 2.34.3→2.35.5, google-protobuf 4.34→4.35.1, rdoc 7.2→8.0, globalid 1.3→1.4, marcel 1.1→1.2, parallel 1.27→2.1, plus action_text-trix, crass, ffi, fugit, msgpack, net-ssh, parser, regexp_parser, rubyzip, websocket-driver. (jwt held at <3.0 by livekit-server-sdk; Rails already on latest 8.1.3.)

Ruby — 3.4.8 → 3.4.9.

Verified: bundler-audit clean, rubocop clean, brakeman 0 warnings, 394 tests pass.