Stabilize discovery lifecycle and rescan summary

openapi.json

@@ -176,7 +176,9 @@
             "description": "Successful Response",
             "content": {
               "application/json": {
-                "schema": {}
+                "schema": {
+                  "$ref": "#/components/schemas/RescanResponse"
+                }
               }
             }
           }
@@ -1307,6 +1309,49 @@
         "title": "KeyActionRequest",
         "description": "Тело запроса для операций с ключом (чтобы токен не летел в URL)."
       },
+      "RescanResponse": {
+        "properties": {
+          "status": {
+            "const": "ok",
+            "title": "Status"
+          },
+          "found": {
+            "type": "integer",
+            "title": "Found"
+          },
+          "added": {
+            "type": "integer",
+            "title": "Added"
+          },
+          "updated": {
+            "type": "integer",
+            "title": "Updated"
+          },
+          "removed_offline": {
+            "type": "integer",
+            "title": "Removed Offline"
+          },
+          "pending_removal": {
+            "type": "integer",
+            "title": "Pending Removal"
+          },
+          "online": {
+            "type": "integer",
+            "title": "Online"
+          }
+        },
+        "type": "object",
+        "required": [
+          "status",
+          "found",
+          "added",
+          "updated",
+          "removed_offline",
+          "pending_removal",
+          "online"
+        ],
+        "title": "RescanResponse"
+      },
       "ScheduleCreateResponse": {
         "properties": {
           "status": {