Merge #5: Reconcile AuthData::BearerToken with upstream AuthData::None

Author: AlexMikhalev

.gitignore

@@ -86,3 +86,4 @@ __pycache__/
 # Allow vscode
 # !.vscode # Commented by default
 CLAUDE.md
+CLAUDE.md

CLAUDE.md

@@ -1,7 +1,7 @@
 # rust-genai Agent Instructions
 
 ## Your Task
-You are implementing issue #1 for the rust-genai Rust library.
+You are implementing issue #5 for the rust-genai Rust library.
 Focus ALL your effort on writing production-quality Rust code and tests.
 Do NOT run gitea-robot, tea, or any task-tracking commands.
 The orchestrator handles all task tracking.

src/resolver/auth_data.rs

@@ -63,6 +63,8 @@ impl AuthData {
 				Ok(value)
 			}
 			AuthData::Key(value) => Ok(value.to_string()),
+			// No-auth providers return an empty string
+			AuthData::None => Ok(String::new()),
 			_ => Err(Error::ResolverAuthDataNotSingleValue),
 		}
 	}
@@ -126,6 +128,25 @@ mod tests {
 		let value = auth.single_key_value().unwrap();
 		assert_eq!(value, "");
 	}
+	#[test]
+	fn test_none_single_key_value_returns_empty() {
+		let auth = AuthData::None;
+		let value = auth.single_key_value().unwrap();
+		assert_eq!(value, "");
+	}
+
+	#[test]
+	fn test_none_debug() {
+		let auth = AuthData::None;
+		let debug = format!("{:?}", auth);
+		assert_eq!(debug, "None");
+	}
+
+	#[test]
+	fn test_multi_keys_single_key_value_errors() {
+		let auth = AuthData::from_multi(HashMap::new());
+		assert!(auth.single_key_value().is_err());
+	}
 }
 
 // endregion: --- Tests