fix: reject stale user-installed plugins with outdated PluginKit version

Author: datlechin

TablePro/Core/Plugins/PluginManager.swift

@@ -12,7 +12,7 @@ import TableProPluginKit
 @MainActor @Observable
 final class PluginManager {
     static let shared = PluginManager()
-    static let currentPluginKitVersion = 1
+    static let currentPluginKitVersion = 2
     private static let disabledPluginsKey = "com.TablePro.disabledPlugins"
     private static let legacyDisabledPluginsKey = "disabledPlugins"
 
@@ -161,6 +161,15 @@ final class PluginManager {
         }
 
         if source == .userInstalled {
+            // User-installed plugins compiled against an older DriverPlugin protocol
+            // have stale witness tables — accessing protocol properties crashes with
+            // EXC_BAD_ACCESS. Reject them before loading the bundle.
+            if pluginKitVersion < Self.currentPluginKitVersion {
+                throw PluginError.incompatibleVersion(
+                    required: Self.currentPluginKitVersion,
+                    current: pluginKitVersion
+                )
+            }
             try verifyCodeSignature(bundle: bundle)
         }
 
@@ -191,6 +200,12 @@ final class PluginManager {
         }
 
         if source == .userInstalled {
+            if pluginKitVersion < Self.currentPluginKitVersion {
+                throw PluginError.incompatibleVersion(
+                    required: Self.currentPluginKitVersion,
+                    current: pluginKitVersion
+                )
+            }
             try verifyCodeSignature(bundle: bundle)
         }