feat: implement advanced tagging system, tag weighting, and app focus refactoring

- Implemented reusable TagSelector component with i18n support
- Added tag weighting system (popularity scores 1-5)
- Created admin panel for tag management
- Integrated Nebius AI and Brave Search for 'Magic Scan'
- Refactored app focus: removed bottle status, updated counters, and displayed extended bottle details
- Updated i18n for German and English
- Added database migration scripts

src/services/brave-search.ts

@@ -0,0 +1,60 @@
+'use server';
+
+/**
+ * Service to search Brave for a Whiskybase link and extract the ID.
+ */
+export async function searchBraveForWhiskybase(query: string) {
+    const apiKey = process.env.BRAVE_API_KEY;
+
+    if (!apiKey) {
+        console.error('BRAVE_API_KEY is not configured.');
+        return { success: false, error: 'Brave Search API Key missing.' };
+    }
+
+    try {
+        const url = `https://api.search.brave.com/res/v1/web/search?q=${encodeURIComponent(query + ' site:whiskybase.com')}`;
+
+        const response = await fetch(url, {
+            headers: {
+                'X-Subscription-Token': apiKey,
+                'Accept': 'application/json',
+            }
+        });
+
+        if (!response.ok) {
+            const errorData = await response.json();
+            throw new Error(errorData.message || `Brave API error: ${response.status}`);
+        }
+
+        const data = await response.json();
+
+        if (!data.web || !data.web.results || data.web.results.length === 0) {
+            return { success: false, error: 'No results found on Brave.' };
+        }
+
+        // Try to find a Whiskybase ID in the results
+        const wbRegex = /whiskybase\.com\/whiskies\/whisky\/(\d+)\//;
+
+        for (const result of data.web.results) {
+            const url = result.url;
+            const match = url.match(wbRegex);
+
+            if (match && match[1]) {
+                return {
+                    success: true,
+                    id: match[1],
+                    url: url,
+                    title: result.title
+                };
+            }
+        }
+
+        return { success: false, error: 'No valid Whiskybase ID found in results.' };
+    } catch (error) {
+        console.error('Brave Search Error:', error);
+        return {
+            success: false,
+            error: error instanceof Error ? error.message : 'Unknown error during Brave search.'
+        };
+    }
+}