update hfh definition adding release date

CHANGELOG.md

@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Added optional `release_date` field (ISO `YYYY-MM-DD` string) to `HFHResponse.Version` in the Scanning v2 service, exposing the per-version release date returned by Folder Hashing scans
+- Added optional `url_hash` field (string) to `HFHResponse.Version` in the Scanning v2 service, exposing the per-version URL hash returned by Folder Hashing scans
 
 ## [0.42.0] - 2026-04-20
 ### Added

protobuf/scanoss/api/scanning/v2/scanoss-scanning.proto

@@ -143,6 +143,10 @@ message HFHResponse {
         float score = 2;
         // Licenses
         repeated License licenses = 3;
+        // Component version release date. Optional ISO date in YYYY-MM-DD format; may be empty when unknown or not provided by the upstream source.
+        string release_date = 4 [json_name = "release_date"];
+        // Hash of the URL associated with this component version. Optional; may be empty when not provided by the upstream source.
+        string url_hash = 5 [json_name = "url_hash"];
     }
     // Matched component details
     message Component {

protobuf/scanoss/api/scanning/v2/scanoss-scanning.swagger.json

@@ -218,6 +218,14 @@
             "$ref": "#/definitions/HFHResponseVersionLicense"
           },
           "title": "Licenses"
+        },
+        "release_date": {
+          "type": "string",
+          "description": "Component version release date. Optional ISO date in YYYY-MM-DD format; may be empty when unknown or not provided by the upstream source."
+        },
+        "url_hash": {
+          "type": "string",
+          "description": "Hash of the URL associated with this component version. Optional; may be empty when not provided by the upstream source."
         }
       },
       "title": "Component version details"