[JJJ]

Summary

• bump the synchronized application versions to 1.2.2
• add the 1.2.2 changelog and stable announcement for the Linux tray and Welcome persistence fixes
• regenerate the third-party notice metadata and source SBOM for the release lockfiles

Validation

• npm run test:frontend
• npm run test:native
• npm run test:release
• npm run licenses:check
• npm run dependencies:check
• npm run sbom:check

[Copilot]

🟢 Approval recommended

No active review issues block the 1.2.2 release metadata and documentation updates.

No open issues 🎉

What changed in this PR

Prepares Pasted 1.2.2 by synchronizing release versions, documenting the Linux tray and Welcome persistence fixes, and refreshing dependency inventory metadata.

Changes:

• Bumps application versions from 1.2.1 to 1.2.2 across npm, Rust, and Tauri.
• Adds the release changelog and updates the stable announcement and download links.
• Updates license source hashes and the SBOM release identity.

File	Description
THIRD_PARTY_SBOM.spdx.json	Updates the SBOM name and namespace to 1.2.2.
THIRD_PARTY_LICENSES.json	Refreshes Cargo and npm lockfile hashes.
src-tauri/​tauri.conf.json	Sets the Tauri application version to 1.2.2.
src-tauri/​Cargo.toml	Bumps the Rust package version.
src-tauri/​Cargo.lock	Synchronizes the locked application version.
package.json	Bumps the npm package version.
package-lock.json	Synchronizes both root package version entries.
docs/​RELEASE_ANNOUNCEMENT.md	Announces the fixes and updates release links and marker.
CHANGELOG.md	Adds the dated 1.2.2 release notes.

_{Review effort: Balanced}