Add Project Issue Field updates

README.md

@@ -1133,7 +1133,7 @@ The following sets of tools are available:
   - `status`: The status of the project. Used for 'create_project_status_update' method. (string, optional)
   - `target_date`: The target date of the status update in YYYY-MM-DD format. Used for 'create_project_status_update' method. (string, optional)
   - `title`: The project title. Required for 'create_project' method. (string, optional)
-  - `updated_field`: The field/value to apply, using {"id": 123, "value": ...} or {"name": "Status", "value": ...}; null clears the field. Required for 'update_project_item' and 'update_project_items', where one top-level field/value applies to every item in a batch. For 'update_project_item' SINGLE_SELECT fields, the name form accepts option names; the ID form expects an option ID. (object, optional)
+  - `updated_field`: The field/value to apply, using {"id": 123, "value": ...} or {"name": "Status", "value": ...}; null clears the field. Required for 'update_project_item' and 'update_project_items', where one top-level field/value applies to every item in a batch. (object, optional)
 
 </details>
 

pkg/github/__toolsnaps__/projects_write.snap

@@ -186,7 +186,7 @@
         "type": "string"
       },
       "updated_field": {
-        "description": "The field/value to apply, using {\"id\": 123, \"value\": ...} or {\"name\": \"Status\", \"value\": ...}; null clears the field. Required for 'update_project_item' and 'update_project_items', where one top-level field/value applies to every item in a batch. For 'update_project_item' SINGLE_SELECT fields, the name form accepts option names; the ID form expects an option ID.",
+        "description": "The field/value to apply, using {\"id\": 123, \"value\": ...} or {\"name\": \"Status\", \"value\": ...}; null clears the field. Required for 'update_project_item' and 'update_project_items', where one top-level field/value applies to every item in a batch.",
         "oneOf": [
           {
             "additionalProperties": false,

pkg/github/issues_granular.go

@@ -1263,6 +1263,46 @@ type IssueFieldCreateOrUpdateInput struct {
 	Suggest              *githubv4.Boolean `json:"suggest,omitempty"`
 }
 
+type setIssueFieldValueMutation struct {
+	SetIssueFieldValue struct {
+		Issue struct {
+			ID     githubv4.ID
+			Number githubv4.Int
+			URL    githubv4.String
+		}
+		IssueFieldValues []struct {
+			TextValue struct {
+				Value string
+			} `graphql:"... on IssueFieldTextValue"`
+			SingleSelectValue struct {
+				Name string
+			} `graphql:"... on IssueFieldSingleSelectValue"`
+			DateValue struct {
+				Value string
+			} `graphql:"... on IssueFieldDateValue"`
+			NumberValue struct {
+				Value float64
+			} `graphql:"... on IssueFieldNumberValue"`
+		}
+	} `graphql:"setIssueFieldValue(input: $input)"`
+}
+
+// SetIssueFieldValues applies typed Issue Field values to an issue node.
+func SetIssueFieldValues(ctx context.Context, gqlClient *githubv4.Client, issueID githubv4.ID, issueFields []IssueFieldCreateOrUpdateInput) (MinimalResponse, error) {
+	var mutation setIssueFieldValueMutation
+	input := SetIssueFieldValueInput{
+		IssueID:     issueID,
+		IssueFields: issueFields,
+	}
+	if err := gqlClient.Mutate(ctx, &mutation, input, nil); err != nil {
+		return MinimalResponse{}, err
+	}
+	return MinimalResponse{
+		ID:  fmt.Sprintf("%v", mutation.SetIssueFieldValue.Issue.ID),
+		URL: string(mutation.SetIssueFieldValue.Issue.URL),
+	}, nil
+}
+
 // GranularSetIssueFields creates a tool to set issue field values on an issue using GraphQL.
 func GranularSetIssueFields(t translations.TranslationHelperFunc) inventory.ServerTool {
 	st := NewTool(
@@ -1486,47 +1526,13 @@ func GranularSetIssueFields(t translations.TranslationHelperFunc) inventory.Serv
 				return ghErrors.NewGitHubGraphQLErrorResponse(ctx, "failed to get issue", err), nil, nil
 			}
 
-			// Execute the setIssueFieldValue mutation
-			var mutation struct {
-				SetIssueFieldValue struct {
-					Issue struct {
-						ID     githubv4.ID
-						Number githubv4.Int
-						URL    githubv4.String
-					}
-					IssueFieldValues []struct {
-						TextValue struct {
-							Value string
-						} `graphql:"... on IssueFieldTextValue"`
-						SingleSelectValue struct {
-							Name string
-						} `graphql:"... on IssueFieldSingleSelectValue"`
-						DateValue struct {
-							Value string
-						} `graphql:"... on IssueFieldDateValue"`
-						NumberValue struct {
-							Value float64
-						} `graphql:"... on IssueFieldNumberValue"`
-					}
-				} `graphql:"setIssueFieldValue(input: $input)"`
-			}
-
-			mutationInput := SetIssueFieldValueInput{
-				IssueID:     issueID,
-				IssueFields: issueFields,
-			}
-
-			// The rationale and suggest input fields on IssueFieldCreateOrUpdateInput
-			// are gated behind the update_issue_suggestions GraphQL feature flag.
 			ctxWithFeatures := ghcontext.WithGraphQLFeatures(ctx, "update_issue_suggestions")
-			if err := gqlClient.Mutate(ctxWithFeatures, &mutation, mutationInput, nil); err != nil {
+			response, err := SetIssueFieldValues(ctxWithFeatures, gqlClient, issueID, issueFields)
+			if err != nil {
 				return ghErrors.NewGitHubGraphQLErrorResponse(ctx, "failed to set issue field values", err), nil, nil
 			}
 
-			r, err := json.Marshal(MinimalResponse{
-				ID:  fmt.Sprintf("%v", mutation.SetIssueFieldValue.Issue.ID),
-				URL: string(mutation.SetIssueFieldValue.Issue.URL),
-			})
+			r, err := json.Marshal(response)
 			if err != nil {
 				return utils.NewToolResultErrorFromErr("failed to marshal response", err), nil, nil
 			}