v0.3.2: keyboard dismissal fix and safer example-snippets toggle

Bugfix release. Full details in CHANGELOG.md.

Fixed

• Keyboard closing while typing on Samsung One UI 8.5 / Android 16 (#6, needs on-device confirmation).
• "Add example snippets" button now toggles to "Remove example snippets" and never wipes user-authored snippets (#7).

APK checksum
sha256: b22372f577a59c51a182cbfc89b835e53fb23a886ba72c3fbfc8499475da7660