fix: add defensive fallbacks for missing database relationships

dockerfile

@@ -21,10 +21,13 @@ COPY . .
 # Wir müssen die Variablen als Build-Argumente definieren
 ARG NEXT_PUBLIC_SUPABASE_URL
 ARG NEXT_PUBLIC_SUPABASE_ANON_KEY
+ARG GEMINI_API_KEY
 
 # Und sie als Environment-Variablen für den Build-Prozess setzen
 ENV NEXT_PUBLIC_SUPABASE_URL=$NEXT_PUBLIC_SUPABASE_URL
 ENV NEXT_PUBLIC_SUPABASE_ANON_KEY=$NEXT_PUBLIC_SUPABASE_ANON_KEY
+ENV GEMINI_API_KEY=$GEMINI_API_KEY
+
 # --- NEU HINZUFÜGEN: ENDE ---
 
 ENV NEXT_TELEMETRY_DISABLED 1

src/app/bottles/[id]/page.tsx

@@ -39,7 +39,7 @@ export default async function BottlePage({
         notFound();
     }
 
-    const { data: tastings } = await supabase
+    const tastingsResult = await supabase
         .from('tastings')
         .select(`
             *,
@@ -57,6 +57,28 @@ export default async function BottlePage({
         .eq('bottle_id', params.id)
         .order('created_at', { ascending: false });
 
+    let tastings = tastingsResult.data;
+
+    if (tastingsResult.error) {
+        console.error('Error fetching tastings with sessions:', tastingsResult.error);
+        // Fallback: try without session join if relationship is missing
+        const fallbackResult = await supabase
+            .from('tastings')
+            .select(`
+                *,
+                tasting_tags (
+                    buddies (
+                        id,
+                        name
+                    )
+                )
+            `)
+            .eq('bottle_id', params.id)
+            .order('created_at', { ascending: false });
+
+        tastings = fallbackResult.data;
+    }
+
     return (
         <main className="min-h-screen bg-zinc-50 dark:bg-black p-4 md:p-12 lg:p-24">
             <div className="max-w-4xl mx-auto space-y-6 md:space-y-12">

src/components/SessionList.tsx

@@ -40,6 +40,24 @@ export default function SessionList() {
 
         if (error) {
             console.error('Error fetching sessions:', error);
+            // Fallback: try without tastings join if relationship is missing
+            const { data: fallbackData, error: fallbackError } = await supabase
+                .from('tasting_sessions')
+                .select(`
+                    *,
+                    session_participants (count)
+                `)
+                .order('scheduled_at', { ascending: false });
+
+            if (fallbackError) {
+                console.error('Error fetching sessions fallback:', fallbackError);
+            } else {
+                setSessions(fallbackData.map(s => ({
+                    ...s,
+                    participant_count: s.session_participants[0]?.count || 0,
+                    whisky_count: 0
+                })) || []);
+            }
         } else {
             setSessions(data.map(s => ({
                 ...s,