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rzuastiandClaude Opus 4.7
ca83009944
Introduce a second discovery module that passively listens for mDNS multicast announcements (224.0.0.251:5353) and feeds discovered devices into the existing devices/events/notifications pipeline, running in its own task alongside the ARP scanner. Since mDNS carries an IP and hostname but no MAC (the device key), the module resolves IP->MAC via the OS ARP cache with a targeted ARP-probe fallback. The advertised hostname is stored in a new optional `name` column on devices (blank for ARP-only devices); the single `update` writes `name` only when set so ARP rescans never clobber it. Device names are included in event/notification messages. Adds a GET /api/mdns_scanner/status endpoint (is_listening, devices_seen, last_device_seen_seconds_ago) wired into OpenAPI, an optional [mdns_scanner] config section, and the corresponding Nix module option. Also aligns the Nix module's stale `timings` section with the current `arp_scanner` schema. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>