docs(api): update swagger docs with field descriptions and operationId rename

- Add minimum: 0 validation to LogRetention properties (days, keep_size, last)
- Add "interned" descriptions to fstype, path, and name fields
- Rename operationId and x-id from "routes" to "list" for GET /route endpoint

internal/api/v1/docs/swagger.json

@@ -2946,8 +2946,8 @@
             }
           }
         },
-        "x-id": "routes",
-        "operationId": "routes"
+        "x-id": "list",
+        "operationId": "list"
       }
     },
     "/route/playground": {
@@ -4844,16 +4844,19 @@
       "properties": {
         "days": {
           "type": "integer",
+          "minimum": 0,
           "x-nullable": false,
           "x-omitempty": false
         },
         "keep_size": {
           "type": "integer",
+          "minimum": 0,
           "x-nullable": false,
           "x-omitempty": false
         },
         "last": {
           "type": "integer",
+          "minimum": 0,
           "x-nullable": false,
           "x-omitempty": false
         }
@@ -6644,11 +6647,13 @@
           "x-omitempty": false
         },
         "fstype": {
+          "description": "interned",
           "type": "string",
           "x-nullable": false,
           "x-omitempty": false
         },
         "path": {
+          "description": "interned",
           "type": "string",
           "x-nullable": false,
           "x-omitempty": false
@@ -6995,6 +7000,7 @@
           "x-omitempty": false
         },
         "name": {
+          "description": "interned",
           "type": "string",
           "x-nullable": false,
           "x-omitempty": false