feat: Update resource path handling for React build directory and clean up main.spec

main.py

@@ -58,9 +58,6 @@ CORS(
 )
 app.secret_key = "plc_streamer_secret_key"
 
-# React build directory (for Vite production build)
-REACT_DIST_DIR = os.path.join(os.path.abspath("."), "frontend", "dist")
-
 
 def resource_path(relative_path):
     """Get absolute path to resource, works for dev and for PyInstaller"""
@@ -80,6 +77,18 @@ def project_path(*parts: str) -> str:
     return os.path.join(base_dir, *parts)
 
 
+# React build directory (for Vite production build)
+# Use resource_path to handle both development and PyInstaller scenarios
+REACT_DIST_DIR = resource_path(os.path.join("frontend", "dist"))
+
+
+# Global instances
+streamer = None
+historical_cache = None
+json_manager = JSONManager()
+schema_manager = SchemaManager()
+
+
 # Global instances
 streamer = None
 historical_cache = None
@@ -108,8 +117,8 @@ def serve_favicon():
       1) frontend/public/favicon.ico
       2) frontend/public/record.png
     """
-    # Use absolute paths for reliability (works in dev and bundled)
-    public_dir = project_path("frontend", "public")
+    # Use resource_path for files embedded in PyInstaller bundle
+    public_dir = resource_path(os.path.join("frontend", "public"))
     public_favicon = os.path.join(public_dir, "favicon.ico")
     public_record = os.path.join(public_dir, "record.png")
 
@@ -125,7 +134,7 @@ def serve_favicon():
 @app.route("/record.png")
 def serve_public_record_png():
     """Serve /record.png from the React public folder."""
-    public_dir = project_path("frontend", "public")
+    public_dir = resource_path(os.path.join("frontend", "public"))
     public_record = os.path.join(public_dir, "record.png")
 
     if os.path.exists(public_record):
@@ -137,7 +146,7 @@ def serve_public_record_png():
 @app.route("/SIDEL.png")
 def serve_public_sidel_png():
     """Serve /SIDEL.png from the React public folder."""
-    public_dir = project_path("frontend", "public")
+    public_dir = resource_path(os.path.join("frontend", "public"))
     sidel_file = os.path.join(public_dir, "SIDEL.png")
     if os.path.exists(sidel_file):
         return send_from_directory(public_dir, "SIDEL.png")

main.spec

@@ -28,8 +28,6 @@ a = Analysis(
         ('translation.json', '.'),
         ('i18n.js', '.'),
         
-        # Create records directory structure
-        ('records', 'records'),
     ],
     hiddenimports=[
         # Flask and web dependencies