Fix 29 audit findings across all severity tiers
Critical: fix unsquashfs arg order, quote Exec paths with spaces,
fix compare_versions antisymmetry, chunk-based signature detection,
bounded ELF header reads.
High: handle NULL CVE severity, prevent pipe deadlock in inspector,
fix glob_match edge case, fix backup archive path collisions, async
crash detection with stderr capture.
Medium: gate scan on auto-scan setting, fix window size persistence,
fix announce() for Stack containers, claim lightbox gesture, use
serde_json for CLI output, remove dead CSS @media blocks, add
detail-tab persistence, remove invalid metainfo categories, byte-level
fuse signature search.
Low: tighten Wayland env var detection, ELF magic validation,
timeout for update info extraction, quoted arg parsing, stop watcher
timer on window destroy, GSettings choices/range constraints, remove
unused CSS classes, define status-ok/status-attention CSS.
e9343da249