fix: update to comfy-env and fix unicode characters

- Replace comfyui-isolation with comfy-env in requirements.txt
- Update install.py references from comfyui-isolation to comfy-env
- Fix smart quotes in masked_sdpa.py for Windows compatibility
- Update comfy-env.toml comment

Author: PozzettiAndrea

comfy-env.toml

@@ -1,7 +1,7 @@
 # SAM3D Objects - Isolated Environment Configuration
 #
 # This file defines the isolated Python environment for SAM3D inference.
-# The comfyui-isolation library auto-discovers and loads this file.
+# The comfy-env library auto-discovers and loads this file.
 
 [env]
 name = "sam3dobjects"

install.py

@@ -6,7 +6,7 @@
 required for SAM 3D Objects. The environment is completely isolated from
 ComfyUI's main environment, preventing any dependency conflicts.
 
-Uses comfyui-isolation package for environment management.
+Uses comfy-env package for environment management.
 """
 
 import sys
@@ -152,20 +152,20 @@ def ensure_vcredist():
 # =============================================================================
 
 def ensure_comfy_env():
-    """Install comfyui-isolation package if not already installed."""
+    """Install comfy-env package if not already installed."""
     try:
         import comfy_env
         return True
     except ImportError:
-        print("[SAM3DObjects] Installing comfyui-isolation package...")
+        print("[SAM3DObjects] Installing comfy-env package...")
         try:
             subprocess.check_call([
                 sys.executable, "-m", "pip", "install",
-                "git+https://github.com/PozzettiAndrea/comfyui-isolation"
+                "comfy-env"
             ])
             return True
         except subprocess.CalledProcessError as e:
-            print(f"[SAM3DObjects] Failed to install comfyui-isolation: {e}")
+            print(f"[SAM3DObjects] Failed to install comfy-env: {e}")
             return False
 
 
@@ -176,9 +176,9 @@ def main():
         print("[SAM3DObjects] WARNING: VC++ Redistributable installation failed.")
         print("[SAM3DObjects] Some features may not work. Continuing anyway...")
 
-    # Ensure comfyui-isolation is installed
+    # Ensure comfy-env is installed
     if not ensure_comfy_env():
-        print("[SAM3DObjects] Cannot continue without comfyui-isolation package.")
+        print("[SAM3DObjects] Cannot continue without comfy-env package.")
         return 1
 
     from comfy_env import IsolatedEnvManager, discover_env_config

requirements.txt

@@ -47,7 +47,7 @@ numpy>=1.24.0,<2.0
 lightning>=2.0.0
 
 # Process isolation for ComfyUI nodes
-comfyui-isolation>=0.2.1
+comfy-env>=0.0.11
 
 # Visualization
 seaborn>=0.13.0

vendor/sam3d_objects/model/backbone/tdfy_dit/modules/sparse/attention/masked_sdpa.py

@@ -37,14 +37,14 @@ def masked_sdpa(q, k, v, q_seqlen, kv_seqlen):
         q_seqlen, kv_seqlen, device=q.device, dtype=q.dtype
     )
 
-    # PyTorch’s scaled_dot_product_attention expects a mask broadcastable to
+    # PyTorch's scaled_dot_product_attention expects a mask broadcastable to
     # [batch_size, n_heads, q_len, kv_len]. For a single batch, single head:
     attn_mask_4d = attn_mask_2d.unsqueeze(0).unsqueeze(0)
     q = q.permute(0, 2, 1, 3)  # [N, H, L, C]
     k = k.permute(0, 2, 1, 3)  # [N, H, L, C]
     v = v.permute(0, 2, 1, 3)  # [N, H, L, C]
 
-    # Now call PyTorch 2.0’s built-in SDPA
+    # Now call PyTorch 2.0's built-in SDPA
     # By default, it will automatically apply the "1/sqrt(dim)" scaling internally.
     out = F.scaled_dot_product_attention(
         query=q,