chore: Add sessions/ and .claudiomiro/ to gitignore

Exclude runtime-generated session logs and local config from version control.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.gitignore

@@ -64,9 +64,11 @@ imgui.ini
 *.aac
 *.m4a
 denoised/
+sessions/
 
 # Claude Code local settings
 .claude/settings.local.json
+.claudiomiro/
 
 # Build scripts (local)
 run_build.ps1