v2.2.2

Fix touch navigation in DmChatView so a finger can select a conversation turn continuously and jump once on release.

• Add a 48-pixel-wide touch region with immediate candidate feedback on press and move.
• Keep the conversation still while touching; release commits once and cancellation never jumps.
• Hold near an edge to reveal overflowed markers while preserving mouse, keyboard, accessibility and selected-turn behavior.

Resolves #25.

Validation: 2,004 tests across all 14 workspace members, fatal-info analysis, formatting, and Pub archive preflight for all 12 packages passed. All 12 published 2.2.2 packages were independently checked against the release tag: archive SHA256 values matched registry metadata, and 3,506 archived files matched byte for byte.

A fresh hosted-only consumer passed all 17 Chrome acceptance tests, built an Android arm64 APK, and passed all 22 physical Pixel Fold acceptance stages using Android OS touchscreen events through ADB. Candidate highlighting, release selection and actual message navigation screenshots were visually checked. This device evidence uses OS-injected touch events, not human-finger interaction.