Add purpose-bound form evidence storage

tests/test_router_contract.py

@@ -7,9 +7,14 @@ from inspect import signature
 from govoplan_files.backend.router import router
 from govoplan_files.backend.routes.assets import router as assets_router
 from govoplan_files.backend.routes.connector_io import router as connector_io_router
-from govoplan_files.backend.routes.connector_profiles import router as connector_profiles_router
-from govoplan_files.backend.routes.connector_settings import router as connector_settings_router
+from govoplan_files.backend.routes.connector_profiles import (
+    router as connector_profiles_router,
+)
+from govoplan_files.backend.routes.connector_settings import (
+    router as connector_settings_router,
+)
 from govoplan_files.backend.routes.folders import router as folders_router
+from govoplan_files.backend.routes.form_evidence import router as form_evidence_router
 from govoplan_files.backend.routes.integrity import router as integrity_router
 from govoplan_files.backend.routes.listing import router as listing_router
 from govoplan_files.backend.routes.shares import router as shares_router
@@ -31,6 +36,7 @@ class FilesRouterContractTests(unittest.TestCase):
         workflow_routers = (
             spaces_router,
             folders_router,
+            form_evidence_router,
             integrity_router,
             listing_router,
             uploads_router,
@@ -49,22 +55,23 @@ class FilesRouterContractTests(unittest.TestCase):
         actual = self._operation_keys(router)
 
         self.assertEqual(expected, actual)
-        self.assertEqual(52, len(actual))
+        self.assertEqual(53, len(actual))
         self.assertFalse(
             [operation for operation, count in Counter(actual).items() if count > 1]
         )
 
     def test_archive_preview_and_confirmation_routes_are_exposed(self) -> None:
         routes = {
-            (tuple(sorted(route.methods or ())), route.path)
-            for route in router.routes
+            (tuple(sorted(route.methods or ())), route.path) for route in router.routes
         }
 
         self.assertIn((("POST",), "/files/archive-preview"), routes)
         self.assertIn((("POST",), "/files/archive-confirm"), routes)
 
     def test_connector_routes_keep_existing_api_paths(self) -> None:
-        routes = {(tuple(sorted(route.methods or ())), route.path) for route in router.routes}
+        routes = {
+            (tuple(sorted(route.methods or ())), route.path) for route in router.routes
+        }
 
         expected = {
             (("GET",), "/files/connectors/providers"),
@@ -83,13 +90,17 @@ class FilesRouterContractTests(unittest.TestCase):
         self.assertTrue(expected.issubset(routes))
 
     def test_bulk_organize_routes_keep_existing_api_paths(self) -> None:
-        routes = {(tuple(sorted(route.methods or ())), route.path) for route in router.routes}
+        routes = {
+            (tuple(sorted(route.methods or ())), route.path) for route in router.routes
+        }
 
         self.assertIn((("POST",), "/files/bulk-rename"), routes)
         self.assertIn((("POST",), "/files/transfer"), routes)
 
     def test_share_lifecycle_routes_are_exposed(self) -> None:
-        routes = {(tuple(sorted(route.methods or ())), route.path) for route in router.routes}
+        routes = {
+            (tuple(sorted(route.methods or ())), route.path) for route in router.routes
+        }
 
         self.assertIn((("GET",), "/files/{file_id}/shares"), routes)
         self.assertIn((("POST",), "/files/{file_id}/shares"), routes)