Adds Linux/macOS selection as first field in bug reports, feature
requests, and feedback forms. Adapts Linux-specific fields (DE, display
server) to indicate they are Linux-only and adds macOS options to
install method and audio backend dropdowns.
cc
Replaces placeholder-text markdown templates with structured YAML
issue forms. Dropdowns for installation method, display server, and
audio backend. Required fields for description, steps, and version.
Same output format when reading submitted issues.
cc