feat(project): Jump to Source in the project view menu; hide deleted files from Recent Files (#167)

The project view context menu gains Jump to Source (F4) for files. Recent Files
no longer lists files deleted since they were opened, including files removed
while the IDE was closed; virtual documents stay listed.

crates/ide-index/src/lib.rs

@@ -218,9 +218,11 @@ impl ProjectIndex {
         self.shared.enqueue(Job::SaveRecent);
     }
 
-    /// Recently opened files, most recent first.
+    /// Recently opened files, most recent first; files deleted since (also while
+    /// the IDE was closed) are left out. Virtual documents are always listed.
     pub fn recent_files(&self) -> Vec<PathBuf> {
-        self.shared.recent.lock().clone()
+        let recent = self.shared.recent.lock().clone();
+        recent.into_iter().filter(|p| p.to_str().is_some_and(ide_core::text::is_virtual_uri) || p.exists()).collect()
     }
 
     /// Blocks until the initial scan and every queued update has been applied

crates/ide-index/src/tests.rs

@@ -178,6 +178,19 @@ fn symbol_ranking_is_idea_like() {
     assert!(idx.find_symbols("", SymbolFilter::All, 5).is_empty());
 }
 
+#[test]
+fn recent_files_skip_deleted_files_but_keep_virtual_documents() {
+    let fx = sample();
+    let idx = fx.open();
+    let app = fx.root.join("web/app.py");
+    let virt = PathBuf::from("jdt://contents/rt.jar/java.lang/String.class");
+    idx.mark_recent(&app);
+    idx.mark_recent(&virt);
+    assert_eq!(idx.recent_files(), vec![virt.clone(), app.clone()]);
+    std::fs::remove_file(&app).unwrap();
+    assert_eq!(idx.recent_files(), vec![virt]);
+}
+
 #[test]
 fn persistence_skips_unchanged_files_on_reopen() {
     let fx = sample();

src/features/project-tree/contextMenu.test.ts

@@ -84,6 +84,7 @@ describe("project view context menu", () => {
       "Copy Path/Reference…",
       "Paste",
       "-",
+      "Jump to Source",
       "Find Usages",
       "Find in Files…",
       "Replace in Files…",

src/features/project-tree/contextMenu.ts

@@ -20,6 +20,7 @@ import {
   findFileUsages,
   folderOf,
   openCopyDialog,
+  openFile,
   openMoveDialog,
   openRenameDialog,
   paste,
@@ -196,8 +197,15 @@ export function contextMenuItems(nodes: ProjectNode[]): MenuItem[] {
     { kind: "separator" },
   );
 
-  // Find Usages / Find in Files… / Replace in Files…
+  // Jump to Source / Find Usages / Find in Files… / Replace in Files…
   push(
+    files.length > 0 && {
+      id: "jumpToSource",
+      label: "Jump to Source",
+      icon: "edit",
+      shortcut: keyLabel("project.open"),
+      run: () => files.forEach((f) => void openFile(f.path)),
+    },
     inProject &&
       singleFile && {
         id: "findUsages",