feat(forge): add safe Go stringers

Co-Authored-By: Virgil <virgil@lethean.io>

client.go

@@ -172,6 +172,13 @@ func (c *Client) String() string {
 	return core.Concat("forge.Client{baseURL=", strconv.Quote(c.baseURL), ", token=", tokenState, ", userAgent=", strconv.Quote(c.userAgent), "}")
 }
 
+// GoString returns a safe Go-syntax summary of the client configuration.
+//
+// Usage:
+//
+//	s := fmt.Sprintf("%#v", client)
+func (c *Client) GoString() string { return c.String() }
+
 // HasToken reports whether the client was configured with an API token.
 //
 // Usage:

client_test.go

@@ -236,6 +236,9 @@ func TestClient_String_Good(t *testing.T) {
 	if got := c.String(); got != want {
 		t.Fatalf("got String()=%q, want %q", got, want)
 	}
+	if got := fmt.Sprintf("%#v", c); got != want {
+		t.Fatalf("got GoString=%q, want %q", got, want)
+	}
 }
 
 func TestAPIError_Error_Good(t *testing.T) {

forge.go

@@ -119,3 +119,10 @@ func (f *Forge) HasToken() bool { return f.client.HasToken() }
 func (f *Forge) String() string {
 	return "forge.Forge{" + f.client.String() + "}"
 }
+
+// GoString returns a safe Go-syntax summary of the Forge client.
+//
+// Usage:
+//
+//	s := fmt.Sprintf("%#v", f)
+func (f *Forge) GoString() string { return f.String() }

forge_test.go

@@ -92,6 +92,9 @@ func TestForge_String_Good(t *testing.T) {
 	if got := f.String(); got != want {
 		t.Fatalf("got String()=%q, want %q", got, want)
 	}
+	if got := fmt.Sprintf("%#v", f); got != want {
+		t.Fatalf("got GoString=%q, want %q", got, want)
+	}
 }
 
 func TestRepoService_ListOrgRepos_Good(t *testing.T) {