Refactor and enhance SnapForm functionality

- Introduced MODEL_NUMBERS for better model indexing.
- Improved enum_items function to cache results and handle download status.
- Updated ActiveJob class to manage temporary input paths and added displacement_via property.
- Changed IMAGE_DEPTH_PROCESS_RES_METHOD from "lower_bound_resize" to "upper_bound_resize".
- Enhanced RunJob operator to include new properties and improved error messages.
- Modified panel layout for better user experience and added runtime installation checks.
- Updated SnapFormSettings to reflect new model properties and defaults.
- Added temporary input path management in runtime.
- Refined worker functions to improve error handling and messaging.
- Expanded tests to cover new functionality and ensure backward compatibility.
- Fixed packaging script to align with versioning conventions.

tests/test_worker.py

@@ -43,7 +43,7 @@ class WorkerTest(unittest.TestCase):
         source = inspect.getsource(self.worker.reconstruct)
 
         self.assertLess(
-            source.index('"Starting DA3 runtime"'),
+            source.index('"Starting AI runtime"'),
             source.index("import torch"),
         )