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

global_products.sql

@@ -0,0 +1,29 @@
+-- Global Products for caching searches
+CREATE TABLE IF NOT EXISTS global_products (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  wb_id TEXT UNIQUE NOT NULL,
+  full_name TEXT NOT NULL,
+  search_vector tsvector GENERATED ALWAYS AS (to_tsvector('simple', full_name)) STORED,
+  image_hash TEXT,
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now())
+);
+
+-- Index for search vector
+CREATE INDEX IF NOT EXISTS idx_global_products_search_vector ON global_products USING GIN (search_vector);
+
+-- Enable RLS
+ALTER TABLE global_products ENABLE ROW LEVEL SECURITY;
+
+-- Policies for global_products
+-- Enable Read Access for all users (SELECT)
+DROP POLICY IF EXISTS "Enable Read Access for all users" ON global_products;
+CREATE POLICY "Enable Read Access for all users"
+ON global_products FOR SELECT
+USING (true);
+
+-- Disable Insert/Update for normal users (only Service Role/Admins)
+DROP POLICY IF EXISTS "Enable Admin Insert/Update" ON global_products;
+CREATE POLICY "Enable Admin Insert/Update"
+ON global_products FOR ALL
+USING (EXISTS (SELECT 1 FROM admin_users WHERE user_id = (SELECT auth.uid())))
+WITH CHECK (EXISTS (SELECT 1 FROM admin_users WHERE user_id = (SELECT auth.uid())));