improved completion

src/main/kotlin/dev/hgh/jai/settings/JaiProjectSettings.kt

@@ -1,6 +1,7 @@
 package dev.hgh.jai.settings
 
 import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.components.PathMacroManager
 import com.intellij.openapi.components.PersistentStateComponent
 import com.intellij.openapi.components.State
 import com.intellij.openapi.components.Storage
@@ -62,7 +63,7 @@ class JaiProjectSettings(
         val trimmed = rawPath.trim()
         if (trimmed.isEmpty()) return null
 
-        val expanded =
+        var expanded =
             when {
                 trimmed == "~" -> {
                     System.getProperty("user.home")
@@ -76,6 +77,20 @@ class JaiProjectSettings(
                     trimmed
                 }
             }
+        // Workspace files may persist project-relative roots using IntelliJ path macros. The
+        // settings UI normally supplies absolute paths, but loading a project saved elsewhere
+        // must expand these before the resolver tries to find the VFS root.
+        expanded = PathMacroManager.getInstance(project).expandPath(expanded)
+        expanded =
+            expanded
+                .replace("\$USER_HOME\$", System.getProperty("user.home"))
+                .replace("\$USER_HOME", System.getProperty("user.home"))
+                .let { value ->
+                    val basePath = project.basePath ?: return@let value
+                    value
+                        .replace("\$PROJECT_DIR\$", basePath)
+                        .replace("\$PROJECT_DIR", basePath)
+                }
         val file = File(expanded)
         val absolute =
             if (file.isAbsolute) {