feat: public split visibility, RLS recursion fixes, and consolidated tasting permission management

- Added public discovery section for active splits on the landing page
- Refactored split detail page for guest support and login redirects
- Extracted SplitCard component for reuse
- Consolidated RLS policies for bottles and tastings to resolve permission errors
- Added unified SQL consolidation script for RLS and naming fixes
- Enhanced service logging for better database error diagnostics

rls_split_participant_access.sql

@@ -0,0 +1,9 @@
+-- Allow participants to see the split record even if it's not active anymore
+DROP POLICY IF EXISTS "bottle_splits_participant_view" ON bottle_splits;
+CREATE POLICY "bottle_splits_participant_view" ON bottle_splits
+FOR SELECT USING (
+  EXISTS (
+    SELECT 1 FROM split_participants 
+    WHERE split_id = bottle_splits.id AND user_id = (SELECT auth.uid())
+  )
+);