feat(config): persistent directories, auto-open files, and strict project scope

- Implemented persistent directory memory for Action Model and Dataset generators (per project).
- Added configuration to automatically open generated files in the editor with a customizable limit.
- Enforced strict project-scope file selection for i18n and XSD settings.
- Switched to relative path storage for i18n/XSD configuration to enhance project portability.
- Improved File Browser logic to start at the current directory or fallback to project root.
- Fixed compilation errors and optimized imports in configuration classes.
- Bumped plugin version to 3.2.4.

src/main/resources/META-INF/plugin.xml

@@ -34,6 +34,13 @@
     ]]></description>
 
     <change-notes><![CDATA[
+      <h2>[3.2.4]</h2>
+        <ul>
+          <li><strong>Persistent Generation Directories:</strong> Generator now remembers the last used directory for Action Beans and Dataset XMLs independently per project.</li>
+          <li><strong>Auto-Open Generated Files:</strong> Added configuration to automatically open newly created files in the editor, with a customizable limit on the number of files.</li>
+          <li><strong>Strict Project-Relative Paths:</strong> I18n and XSD configuration now strictly enforces file selection within the project root and stores paths as relative for maximum portability.</li>
+          <li><strong>Smart File Browser:</strong> Improved file picker logic to automatically start at the current configured directory if it's within the project, falling back to the project root otherwise.</li>
+        </ul>
       <h2>[3.2.3]</h2>
         <ul>
           <li><strong>Advanced Data Referencing:</strong> Implemented comprehensive reference and completion support for <code>&lt;FOREIGN-DATASETS&gt;</code> and <code>&lt;MASTER-DATA&gt;</code> structures.</li>