feat(keyring): 集成系统密钥环安全存储 API key

test_keyring.rs

@@ -0,0 +1,18 @@
+use keyring::Entry;
+
+fn main() {
+    println!("Testing keyring functionality...");
+    
+    // Test storing password
+    let entry = Entry::new("test-service", "test-user").unwrap();
+    println!("Created entry successfully");
+    
+    entry.set_password("test-password").unwrap();
+    println!("Stored password successfully");
+    
+    // Test retrieving password
+    let retrieved = entry.get_password().unwrap();
+    println!("Retrieved password: {}", retrieved);
+    
+    println!("Keyring test completed successfully!");
+}