fix:continuously watch location

src/lib/components/LocationManager.svelte

@@ -0,0 +1,81 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import { browser } from '$app/environment';
+	import { locationActions, isWatching, coordinates } from '$lib/stores/location';
+
+	interface Props {
+		autoStart?: boolean;
+		enableHighAccuracy?: boolean;
+		timeout?: number;
+		maximumAge?: number;
+	}
+
+	let {
+		autoStart = true,
+		enableHighAccuracy = true,
+		timeout = 15000,
+		maximumAge = 60000
+	}: Props = $props();
+
+	// Location watching options
+	const watchOptions = {
+		enableHighAccuracy,
+		timeout,
+		maximumAge
+	};
+
+	onMount(() => {
+		if (!browser || !autoStart) return;
+
+		// Check if geolocation is supported
+		if (!navigator.geolocation) {
+			console.warn('Geolocation is not supported by this browser');
+			return;
+		}
+
+		// Check if we already have coordinates and aren't watching
+		if ($coordinates && !$isWatching) {
+			// Start watching immediately if we have previous coordinates
+			startLocationWatching();
+			return;
+		}
+
+		// If no coordinates, try to get current location first
+		if (!$coordinates) {
+			getCurrentLocationThenWatch();
+		}
+	});
+
+	async function getCurrentLocationThenWatch() {
+		try {
+			const result = await locationActions.getCurrentLocation(watchOptions);
+			if (result) {
+				// Successfully got location, now start watching
+				startLocationWatching();
+			}
+		} catch {
+			// If we can't get location due to permissions, don't auto-start watching
+			console.log('Could not get initial location, location watching not started automatically');
+		}
+	}
+
+	function startLocationWatching() {
+		if (!$isWatching) {
+			locationActions.startWatching(watchOptions);
+		}
+	}
+
+	// Cleanup function to stop watching when component is destroyed
+	function cleanup() {
+		if ($isWatching) {
+			locationActions.stopWatching();
+		}
+	}
+
+	// Stop watching when the component is destroyed
+	onMount(() => {
+		return cleanup;
+	});
+</script>
+
+<!-- This component doesn't render anything, it just manages location watching -->