diff --git a/backend/__pycache__/api_routes.cpython-314.pyc b/backend/__pycache__/api_routes.cpython-314.pyc
index 3aa3bae..1ffef2e 100644
Binary files a/backend/__pycache__/api_routes.cpython-314.pyc and b/backend/__pycache__/api_routes.cpython-314.pyc differ
diff --git a/backend/api_routes.py b/backend/api_routes.py
index bfce130..13cc0e1 100644
--- a/backend/api_routes.py
+++ b/backend/api_routes.py
@@ -96,6 +96,16 @@ def _build_prompt(transcript_text: str, title: str) -> str:
         f"{transcript_text}\n\n"
         "Answer user questions grounded in this transcript."
     )
+def _add_audio_url(post: Dict[str, Any]) -> Dict[str, Any]:
+    """Add signed audio URL to post if ready"""
+    if post.get("status") == "ready":
+        try:
+            audio_data = get_original_audio_url(post["post_id"], expires_in=3600)
+            post["audio_url"] = audio_data["signed_url"]
+        except:
+            pass
+    return post
+
 
 
 @api.get("/health")
@@ -397,20 +407,32 @@ def api_create_post():
         return _error(str(e), 500)
 
 
+
 @api.get("/posts")
 def api_list_posts():
     page = request.args.get("page", default=1, type=int)
     limit = request.args.get("limit", default=20, type=int)
     visibility = request.args.get("visibility")
-    user_id = request.args.get("user_id", type=int)
-
+    current_user_id = request.args.get("current_user_id", type=int)  # NEW LINE
+    
     try:
-        rows = list_audio_posts(page=page, limit=limit, visibility=visibility, user_id=user_id)
+        rows = list_audio_posts(page=page, limit=limit, visibility=visibility)
+        
+        # NEW: Filter private posts
+        if current_user_id:
+            rows = [p for p in rows if p.get('visibility') == 'public' or p.get('user_id') == current_user_id]
+        else:
+            rows = [p for p in rows if p.get('visibility') == 'public']
+        
+        # NEW: Add audio URLs - CHANGE THIS LINE ONLY
+        rows = [_add_audio_url(post) for post in rows]
+        
         return jsonify({"posts": rows, "page": page, "limit": min(max(1, limit), 100)})
     except Exception as e:
         return _error(str(e), 500)
 
 
+
 @api.get("/posts/<int:post_id>")
 def api_get_post(post_id: int):
     row = get_audio_post_by_id(post_id)
@@ -583,20 +605,3 @@ def api_post_audit(post_id: int):
         return jsonify({"logs": list_audit_logs(post_id=post_id, page=page, limit=limit)})
     except Exception as e:
         return _error(str(e), 500)
-
-@api.get("/posts/<int:post_id>/audio")
-def api_get_audio_url(post_id: int):
-    """
-    Get a signed URL for the original audio file.
-    """
-    expires_in = request.args.get("expires_in", default=3600, type=int)
-    
-    try:
-        audio_data = get_original_audio_url(post_id, expires_in=expires_in)
-        return jsonify(audio_data)
-    except ValueError as e:
-        return _error(str(e), 404)
-    except RuntimeError as e:
-        return _error(str(e), 500)
-    except Exception as e:
-        return _error(f"Failed to get audio URL: {e}", 500)
diff --git a/frontend/src/api.js b/frontend/src/api.js
index 9e0ef6f..9bcd624 100644
--- a/frontend/src/api.js
+++ b/frontend/src/api.js
@@ -137,6 +137,10 @@ class ApiClient {
     return this.request(`/posts/${postId}/metadata`);
   }
 
+  async getAudioUrl(postId, expiresIn = 3600) {
+    return this.request(`/posts/${postId}/audio?expires_in=${expiresIn}`);
+  }
+
   // ==================== Post Files ====================
 
   async getPostFiles(postId) {
diff --git a/frontend/src/components/AudioPostCard.jsx b/frontend/src/components/AudioPostCard.jsx
index 3bba9ab..33bcac0 100644
--- a/frontend/src/components/AudioPostCard.jsx
+++ b/frontend/src/components/AudioPostCard.jsx
@@ -12,6 +12,13 @@ export default function AudioPostCard({ post }) {
   const [transcriptExpanded, setTranscriptExpanded] = useState(false)
   const audioRef = useRef(null)
 
+  // DEBUG: Log post data to console
+  useEffect(() => {
+    console.log('Post data:', post)
+    console.log('Audio URL:', post.audio_url)
+    console.log('Status:', post.status)
+  }, [post])
+
   const formatDate = (dateString) => {
     const date = new Date(dateString)
     const now = new Date()
@@ -35,7 +42,14 @@ export default function AudioPostCard({ post }) {
     if (post.status === 'ready' && !transcript && !loadingTranscript) {
       loadTranscript()
     }
-  }, [post.post_id, post.status])
+    
+    // Set audio source if available
+    if (post.audio_url && audioRef.current) {
+      console.log('Setting audio src to:', post.audio_url)
+      audioRef.current.src = post.audio_url
+      audioRef.current.load() // Force reload
+    }
+  }, [post.post_id, post.status, post.audio_url])
 
   const loadTranscript = async () => {
     setLoadingTranscript(true)
@@ -78,10 +92,16 @@ export default function AudioPostCard({ post }) {
 
   const handleLoadedMetadata = () => {
     if (audioRef.current) {
+      console.log('Audio metadata loaded, duration:', audioRef.current.duration)
       setDuration(audioRef.current.duration)
     }
   }
 
+  const handleAudioError = (e) => {
+    console.error('Audio error:', e)
+    console.error('Audio element error:', audioRef.current?.error)
+  }
+
   const handleSeek = (e) => {
     const rect = e.currentTarget.getBoundingClientRect()
     const x = e.clientX - rect.left
@@ -155,11 +175,13 @@ export default function AudioPostCard({ post }) {
               {/* Hidden audio element */}
               <audio
                 ref={audioRef}
-                src={post.audio_path}
                 onTimeUpdate={handleTimeUpdate}
                 onLoadedMetadata={handleLoadedMetadata}
                 onEnded={handleEnded}
+                onError={handleAudioError}
+                onCanPlay={() => console.log('Audio can play')}
                 preload="metadata"
+                crossOrigin="anonymous"
               />
 
               <div className="flex items-center gap-4">