feat: house tracker with home worker, alerts and listing map

Collects Pararius rent/buy listings into Postgres via a worker that runs on a
residential connection, sends Discord/ntfy alerts for new listings matching
rules, and shows an admin-only map, market stats and worker log.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013HfF5tnChi8tkCx9svJP6D

src/lib/components/ProjectIcon.svelte

@@ -12,6 +12,7 @@
 	import ChartNoAxesCombined from 'lucide-svelte/icons/chart-no-axes-combined';
 	import FolderKanban from 'lucide-svelte/icons/folder-kanban';
 	import Gamepad2 from 'lucide-svelte/icons/gamepad-2';
+	import House from 'lucide-svelte/icons/house';
 	import Globe2 from 'lucide-svelte/icons/globe-2';
 	import Languages from 'lucide-svelte/icons/languages';
 	import Music2 from 'lucide-svelte/icons/music-2';
@@ -30,7 +31,8 @@
 		'world opinions': Globe2,
 		'language learner': Languages,
 		'money tracker': Wallet,
-		'cs prices': CandlestickChart
+		'cs prices': CandlestickChart,
+		'house tracker': House
 	};
 
 	const Icon = $derived(icons[name as keyof typeof icons] ?? FolderKanban);