fix: add CREATE_NO_WINDOW flag to prevent child console windows from flashing on Windows background operations

Author: anujsingh-cse

ghostcoder/backends/gpu_tier.py

@@ -82,11 +82,14 @@ def detect(cls) -> GPUTier:
 
         try:
             # Query nvidia-smi for total VRAM (in MiB) and GPU Name
+            import sys
+            creation_flags = 0x08000000 if sys.platform == "win32" else 0
             res = subprocess.run(
                 ["nvidia-smi", "--query-gpu=name,memory.total", "--format=csv,noheader,nounits"],
                 capture_output=True,
                 text=True,
-                check=True
+                check=True,
+                creationflags=creation_flags
             )
             output = res.stdout.strip()
             if not output:

ghostcoder/session.py

@@ -34,27 +34,32 @@ def _ensure_session_dir(self):
     def load_git_context(self):
         """Read Git status using subprocess or fallback gracefully."""
         import subprocess
+        import sys
+        creation_flags = 0x08000000 if sys.platform == "win32" else 0
         try:
             # Branch
             branch_proc = subprocess.run(
                 ["git", "rev-parse", "--abbrev-ref", "HEAD"],
-                cwd=self.project_path, capture_output=True, text=True, timeout=2
+                cwd=self.project_path, capture_output=True, text=True, timeout=2,
+                creationflags=creation_flags
             )
             if branch_proc.returncode == 0:
                 self.git_branch = branch_proc.stdout.strip()
 
             # Last commit
             commit_proc = subprocess.run(
                 ["git", "log", "-1", "--pretty=format:%h - %s"],
-                cwd=self.project_path, capture_output=True, text=True, timeout=2
+                cwd=self.project_path, capture_output=True, text=True, timeout=2,
+                creationflags=creation_flags
             )
             if commit_proc.returncode == 0:
                 self.git_last_commit = commit_proc.stdout.strip()
 
             # Status
             status_proc = subprocess.run(
                 ["git", "status", "--short"],
-                cwd=self.project_path, capture_output=True, text=True, timeout=2
+                cwd=self.project_path, capture_output=True, text=True, timeout=2,
+                creationflags=creation_flags
             )
             if status_proc.returncode == 0:
                 self.git_status = status_proc.stdout.strip()