fix(plugins): reconcile SSLHandshakeError client-key cases across PluginKit copies

Author: J2TeamNNL

Packages/TableProCore/Sources/TableProPluginKit/SSLHandshakeError.swift

@@ -8,6 +8,9 @@ public enum SSLHandshakeError: Error, LocalizedError, Sendable {
     case clientCertRequired(serverMessage: String)
     case cipherMismatch(serverMessage: String)
     case unknown(serverMessage: String)
+    case clientKeyPassphraseRequired(serverMessage: String)
+    case clientKeyPassphraseIncorrect(serverMessage: String)
+    case clientKeyInvalid(serverMessage: String)
 
     public var serverMessage: String {
         switch self {
@@ -16,6 +19,9 @@ public enum SSLHandshakeError: Error, LocalizedError, Sendable {
              .untrustedCertificate(let msg),
              .hostnameMismatch(let msg),
              .clientCertRequired(let msg),
+             .clientKeyPassphraseRequired(let msg),
+             .clientKeyPassphraseIncorrect(let msg),
+             .clientKeyInvalid(let msg),
              .cipherMismatch(let msg),
              .unknown(let msg):
             return msg
@@ -34,6 +40,12 @@ public enum SSLHandshakeError: Error, LocalizedError, Sendable {
             return String(localized: "The server's TLS certificate does not match the hostname being connected to.")
         case .clientCertRequired:
             return String(localized: "The server requires a client certificate for TLS mutual authentication.")
+        case .clientKeyPassphraseRequired:
+            return String(localized: "The client private key is encrypted and needs a passphrase.")
+        case .clientKeyPassphraseIncorrect:
+            return String(localized: "The passphrase for the client private key is incorrect.")
+        case .clientKeyInvalid:
+            return String(localized: "The client private key could not be read. It may be malformed or in an unsupported format.")
         case .cipherMismatch:
             return String(localized: "The server and TablePro could not agree on a TLS cipher or protocol version.")
         case .unknown:
@@ -86,6 +98,12 @@ public enum SSLHandshakeError: Error, LocalizedError, Sendable {
             return String(localized: "Switch SSL Mode to Verify CA (validates the CA chain but skips hostname check), or update the host field to match the certificate.")
         case .clientCertRequired:
             return String(localized: "Provide the client certificate and key paths in the SSL tab.")
+        case .clientKeyPassphraseRequired:
+            return String(localized: "Open the connection editor, switch to the SSL tab, and enter the Key Passphrase.")
+        case .clientKeyPassphraseIncorrect:
+            return String(localized: "Open the connection editor, switch to the SSL tab, and correct the Key Passphrase.")
+        case .clientKeyInvalid:
+            return String(localized: "Check that the Client Key path points to a valid PEM private key.")
         case .cipherMismatch:
             return String(localized: "Update the server's TLS configuration or use a newer database server version that supports modern ciphers.")
         case .unknown: