Updated packages. Changed date picker package to Day.JS and applied it across whole app.

data/vehicle-etl/etl_generate_sql.py

@@ -43,7 +43,10 @@ def load_pairs(snapshot_path: Path) -> List[sqlite3.Row]:
     if not snapshot_path.exists():
         raise FileNotFoundError(f"Snapshot not found: {snapshot_path}")
 
-    conn = sqlite3.connect(snapshot_path)
+    # Open in immutable mode to prevent any write attempts on read-only filesystems
+    absolute_path = snapshot_path.resolve()
+    uri = f"file:{absolute_path}?immutable=1"
+    conn = sqlite3.connect(uri, uri=True)
     conn.row_factory = sqlite3.Row
     try:
         cursor = conn.execute(