fix: rename Toast.tsx to toast.tsx to fix case-sensitive CI build

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

chore: update version to 3.0.18 in tauri configuration

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fix build error

fix: allow unused variables in get_output_device_and_config function

Add configurable recording save path

chore: update version to v0.1.7

feat: add ARM64 Linux support

- Add ubuntu-22.04-arm runner to release workflow for aarch64-unknown-linux-gnu
- Add ARM64 Linux test entry in test-release workflow
- Detect architecture in installer.sh for arm64 deb/rpm URLs

Closes #959

Co-authored-by: Claude <noreply@anthropic.com>

fix: detect sona crash during model load and surface stderr

When sona dies mid-session, check if the process is still alive before
retrying. Capture stderr output and include it in the error message so
it flows through to analytics.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bump ver

missing dep