Update apps/aura_measure.js

apps/aura_measure.js

@@ -142,10 +142,34 @@ router.post('/analyze', async (req, res) => {
         let promptText = 'Analyze this image and calculate my Aura. Return JSON.';
         let imagesToProcess = [media_base64];
 
+        // Handles Threads & Challenges context
         if ((context_type === 'challenge' || context_type === 'thread') && reference_data) {
+            let refBase64 = reference_data.image_base64;
+
+            // FIX: If the frontend sent an HTTP URL instead of pure base64, fetch and convert it!
+            if (refBase64 && refBase64.startsWith('http')) {
+                try {
+                    console.log('[Analyze] Downloading reference image URL for thread...');
+                    const imgRes = await fetch(refBase64);
+                    if (!imgRes.ok) throw new Error(`HTTP ${imgRes.status}`);
+                    const arrayBuffer = await imgRes.arrayBuffer();
+                    refBase64 = Buffer.from(arrayBuffer).toString('base64');
+                    console.log('[Analyze] Successfully downloaded and encoded reference image.');
+                } catch (e) {
+                    console.error('[Analyze] Failed to fetch reference image URL:', e);
+                    return res.status(400).json({ success: false, error: 'Failed to load the reference image for this thread.' });
+                }
+            }
+
             systemPrompt = AURA_PROMPT_CONTEXTUAL;
-            promptText = `CONTEXT TITLE: ${reference_data.title}\nCONTEXT DESCRIPTION: ${reference_data.description}\nEvaluate Image 2 against Image 1.`;
-            imagesToProcess = [reference_data.image_base64, media_base64];
+            
+            // Fallback for description if it wasn't provided or passed as 'undefined'
+            const descText = reference_data.description && reference_data.description !== 'undefined'
+                ? reference_data.description
+                : 'Match the style, outfit, or vibe of the reference image.';
+                
+            promptText = `CONTEXT TITLE: ${reference_data.title}\nCONTEXT DESCRIPTION: ${descText}\nEvaluate Image 2 against Image 1.`;
+            imagesToProcess = [refBase64, media_base64];
         }
 
         console.log('[Analyze] Running AI...');