refactor: reorganize project structure by moving core modules and update import paths in API server

.temp/test_caching.py

@@ -0,0 +1,25 @@
+import os
+import sys
+sys.path.insert(0, os.getcwd())
+import new_import_ODC
+import time
+import xarray as xr
+
+# Mock minimal params to test load_data
+date_range = ('2023-01-01', '2023-01-31')
+longtitude_range = (105.0, 105.1)
+latitude_range = (9.5, 9.6)
+
+print("--- First Call (Downloading & Caching) ---")
+start = time.time()
+data1 = new_import_ODC.load_data(None, date_range, longtitude_range, latitude_range)
+end = time.time()
+print(f"Time taken: {end - start:.2f}s")
+
+print("--- Second Call (Loading from Cache) ---")
+start = time.time()
+data2 = new_import_ODC.load_data(None, date_range, longtitude_range, latitude_range)
+end = time.time()
+print(f"Time taken: {end - start:.2f}s")
+
+print("✅ Test completed")