Add end-to-end tests for Frigate config writer
Covers every writer in pkg/generate/writer.go through the public Generate
entry-point: inputs/roles, needMP4 (bubble), ffmpeg, live, detect
(including the Objects auto-enable branch), objects, motion, record
(retain, alerts, detections, fractional days), snapshots, audio,
birdseye, onvif (host-gated emission, default port, credentials,
autotracking, required zones), ptz (only inside onvif), notifications,
ui, Frigate/Go2RTC overrides, Name override, extractIP fallbacks,
Added line numbers, and top-level/camera section ordering.
eduard256
397f9dd78b