Restructured src to more logical heirachy

core/resource_path.py

@@ -0,0 +1,18 @@
+"""Resolve file paths for both development and PyInstaller frozen modes."""
+
+import sys
+from pathlib import Path
+
+
+def get_resource_path(relative_path: str) -> Path:
+    """Return absolute path to a bundled resource.
+
+    In frozen mode (PyInstaller), resolves from sys._MEIPASS.
+    In dev mode, resolves from the project root (3 parents up from this file:
+    src/core/resource_path.py → src/core → src → project root).
+    """
+    if getattr(sys, "frozen", False):
+        base = Path(sys._MEIPASS)
+    else:
+        base = Path(__file__).resolve().parents[2]
+    return base / relative_path