release: secrets-mcp 0.5.2

Bump version: secrets-mcp-0.5.1 tag already existed while crates had further changes.

Made-with: Cursor

crates/secrets-core/src/error.rs

@@ -15,6 +15,18 @@ pub enum AppError {
     #[error("Entry not found")]
     NotFoundEntry,
 
+    #[error("User not found")]
+    NotFoundUser,
+
+    #[error("Secret not found")]
+    NotFoundSecret,
+
+    #[error("Authentication failed")]
+    AuthenticationFailed,
+
+    #[error("Unauthorized: insufficient permissions")]
+    Unauthorized,
+
     #[error("Validation failed: {message}")]
     Validation { message: String },
 
@@ -24,6 +36,9 @@ pub enum AppError {
     #[error("Decryption failed — the encryption key may be incorrect")]
     DecryptionFailed,
 
+    #[error("Encryption key not set — user must set passphrase first")]
+    EncryptionKeyNotSet,
+
     #[error(transparent)]
     Internal(#[from] anyhow::Error),
 }
@@ -119,6 +134,18 @@ mod tests {
         let err = AppError::NotFoundEntry;
         assert_eq!(err.to_string(), "Entry not found");
 
+        let err = AppError::NotFoundUser;
+        assert_eq!(err.to_string(), "User not found");
+
+        let err = AppError::NotFoundSecret;
+        assert_eq!(err.to_string(), "Secret not found");
+
+        let err = AppError::AuthenticationFailed;
+        assert_eq!(err.to_string(), "Authentication failed");
+
+        let err = AppError::Unauthorized;
+        assert!(err.to_string().contains("Unauthorized"));
+
         let err = AppError::Validation {
             message: "too long".to_string(),
         };
@@ -126,6 +153,9 @@ mod tests {
 
         let err = AppError::ConcurrentModification;
         assert!(err.to_string().contains("Concurrent modification"));
+
+        let err = AppError::EncryptionKeyNotSet;
+        assert!(err.to_string().contains("Encryption key not set"));
     }
 
     #[test]