still initial commit

app.py

@@ -1,18 +1,32 @@
+import os
 import gradio as gr
 import cv2
 import numpy as np
 import modal
 
-# ── Modal Connection ────────────────────────────────────────────────────────
-try:
-    # Hook directly into your remote Modal class
-    VoxelModelCls = modal.Cls.from_name("flux-klein-voxel-backend", "VoxelModel")
-    voxel_backend = VoxelModelCls().process_frame
-    status_text = "🟢 Connected"
-except Exception as e:
-    print(f"Failed to connect to Modal: {e}")
+# ── Authentication & Modal Connection ───────────────────────────────────────
+# Modal automatically authenticates using MODAL_TOKEN_ID and MODAL_TOKEN_SECRET 
+# from the environment. We check them here to ensure your HF Secrets are loaded.
+
+token_id = os.environ.get("MODAL_TOKEN_ID")
+token_secret = os.environ.get("MODAL_TOKEN_SECRET")
+
+if not token_id or not token_secret:
+    print("⚠️ [AUTH ERROR] Modal tokens missing! Check your Hugging Face Secrets.")
     voxel_backend = None
-    status_text = "🔴 Offline"
+    status_text = "🔴 Offline (Missing Tokens)"
+else:
+    try:
+        print("🔑 Tokens found. Connecting to Modal...")
+        # Hook directly into your remote Modal class
+        VoxelModelCls = modal.Cls.from_name("flux-klein-voxel-backend", "VoxelModel")
+        voxel_backend = VoxelModelCls().process_frame
+        status_text = "🟢 Connected"
+        print("✅ Successfully connected to Modal backend.")
+    except Exception as e:
+        print(f"❌ Failed to connect to Modal: {e}")
+        voxel_backend = None
+        status_text = "🔴 Offline (Connection Error)"
 
 
 # ── Core Backend Execution ──────────────────────────────────────────────────
@@ -43,7 +57,7 @@ def run_modal_backend(frame: np.ndarray) -> np.ndarray:
 
 # ── Activation & Pre-Warming Logic ──────────────────────────────────────────
 def start_and_warmup_container():
-    """Forces the Modal container to start up before enabling the webcam stream stream."""
+    """Forces the Modal container to start up before enabling the webcam stream."""
     print("🚀 [START CLICKED] Waking up Modal container to prevent cold-start lag...")
     
     if voxel_backend is not None: