feat: add 'Mark Prayed' button for prayer items with streak tracking

src/app/page.tsx

@@ -39,7 +39,6 @@ export default function Home() {
   const [prayFor, setPrayFor] = useState('');
   const [answered, setAnswered] = useState(false);
   const [answerDetails, setAnswerDetails] = useState('');
-  const [prayFrequency, setPrayFrequency] = useState(1); // 1-7 times per week
 
   const { user, loading: authLoading } = useAuth();
 
@@ -109,8 +108,6 @@ export default function Home() {
         prayFor: prayFor || undefined,
         answered,
         answerDetails: answerDetails || undefined,
-        prayFrequency,
-        lastPrayedFor: answered ? undefined : new Date().toISOString().split('T')[0],
       };
 
       if (editingPrayer) {
@@ -147,7 +144,6 @@ export default function Home() {
     setPrayFor(prayer.prayFor || '');
     setAnswered(prayer.answered || false);
     setAnswerDetails(prayer.answerDetails || '');
-    setPrayFrequency(prayer.prayFrequency || 1);
     setActiveTab('compose');
   };
 
@@ -161,6 +157,25 @@ export default function Home() {
     }
   };
 
+  const handleMarkPrayed = async (prayerId: string) => {
+    if (!user) return;
+    
+    try {
+      const today = new Date().toISOString().split('T')[0];
+      await updateDoc(doc(db, 'prayers', prayerId), {
+        lastPrayedFor: today,
+      });
+      
+      setPrayers(prev =>
+        prev.map(p => (p.id === prayerId ? { ...p, lastPrayedFor: today } : p))
+      );
+      toast.success('Prayed! 🙏');
+    } catch (error) {
+      console.error('Error marking prayed:', error);
+      toast.error('Failed to update');
+    }
+  };
+
   if (authLoading) {
     return (
       <div className="min-h-screen bg-gradient-to-br from-slate-900 via-black to-slate-800 flex items-center justify-center p-4">
@@ -227,8 +242,6 @@ export default function Home() {
           onAnsweredChange={setAnswered}
           answerDetails={answerDetails}
           onAnswerDetailsChange={setAnswerDetails}
-          prayFrequency={prayFrequency}
-          onPrayFrequencyChange={setPrayFrequency}
           onSubmit={handleSubmit}
           isEditing={!!editingPrayer}
         />
@@ -243,7 +256,7 @@ export default function Home() {
       )}
 
       {activeTab === 'praying' && (
-        <ThingsToPrayFor prayers={prayers.filter(p => !p.answered)} onEdit={handleSelectPrayer} />
+        <ThingsToPrayFor prayers={prayers.filter(p => !p.answered)} onEdit={handleSelectPrayer} onMarkPrayed={handleMarkPrayed} />
       )}
 
       {activeTab === 'reflections' && (