add DRC exclusion comment to JSON report

closes #22330.

(cherry picked from commit 80e148fb68)

common/rc_item.cpp

@@ -174,6 +174,9 @@ void RC_ITEM::GetJsonViolation( RC_JSON::VIOLATION& aViolation, UNITS_PROVIDER*
     aViolation.type = GetSettingsKey();
     aViolation.excluded = ( m_parent && m_parent->IsExcluded() );
 
+    if( m_parent && m_parent->IsExcluded() && !m_parent->GetComment().IsEmpty() )
+        aViolation.comment = m_parent->GetComment();
+
     EDA_ITEM* mainItem = nullptr;
     EDA_ITEM* auxItem = nullptr;
 

include/rc_json_schema.h

@@ -56,6 +56,7 @@ struct VIOLATION
     wxString                   severity;
     std::vector<AFFECTED_ITEM> items;
     bool                       excluded;
+    wxString                   comment;
 };
 
 inline void to_json( nlohmann::json& aJson, const VIOLATION& aViolation )
@@ -66,7 +67,10 @@ inline void to_json( nlohmann::json& aJson, const VIOLATION& aViolation )
     aJson["items"] = aViolation.items;
 
     if( aViolation.excluded )
+    {
         aJson["excluded"] = aViolation.excluded;
+        aJson["comment"] = aViolation.comment;
+    }
 }
 inline void from_json( const nlohmann::json& aJson, VIOLATION& aViolation )
 {
@@ -75,6 +79,7 @@ inline void from_json( const nlohmann::json& aJson, VIOLATION& aViolation )
     aJson.at( "severity" ).get_to( aViolation.severity );
     aJson.at( "items" ).get_to( aViolation.items );
     aJson.at( "excluded" ).get_to( aViolation.excluded );
+    aJson.at( "comment" ).get_to( aViolation.comment );
 }
 
 struct REPORT_BASE

resources/schemas/drc.v1.json

@@ -86,6 +86,10 @@
         "excluded": {
           "type": "boolean",
           "default": false
+        },
+        "comment": {
+          "type": "string",
+          "description": "Comment added when excluding the violation"
         }
       },
       "required": [