fix: refresh actor snapshots without unavailable revert command

Send a post-save filesystem change notification with a newer mtime so clean inspection editors reload the canonical server snapshot. Assert the real VS Code save restores protected fields without reporting refresh errors.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

CHANGELOG.md

@@ -33,6 +33,8 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
+- Refresh saved actor inspection JSON through filesystem notifications instead
+  of an unavailable VS Code revert command.
 - Always prompt for JSON state when Spawn with State is invoked from a source
   context menu, including multi-selection menu arguments.
 - Close extension connections with a WebSocket handshake on disconnect,

vscode/integration/host.ts

@@ -188,8 +188,21 @@ export async function run(): Promise<void> {
     const unsaved = document.getText();
     await vscode.commands.executeCommand("runa.refresh");
     assert.equal(document.getText(), unsaved, "refresh must preserve unsaved inspection edits");
+    const window = vscode.window as { showErrorMessage: (...args: unknown[]) => unknown };
+    const showError = window.showErrorMessage;
+    const saveErrors: unknown[][] = [];
+    window.showErrorMessage = async (...args: unknown[]) => {
+      saveErrors.push(args);
+      return undefined;
+    };
+    try {
       assert.equal(await document.save(), true);
       await canonical;
+      assert.deepEqual(saveErrors, [], "successful inspection save must not report refresh errors");
+      assert.equal(document.isDirty, false);
+    } finally {
+      window.showErrorMessage = showError;
+    }
     const recovered = documentChanged(document, (text) => {
       const actor = JSON.parse(text).actor;
       return (

vscode/src/extension.ts

@@ -662,7 +662,7 @@ export function activate(context: vscode.ExtensionContext): { sourceTree: ImageS
     vscode.workspace.registerFileSystemProvider(SOURCE_SCHEME, sources, { isCaseSensitive: true }),
     vscode.workspace.registerFileSystemProvider("runa", documents, { isCaseSensitive: true }),
     vscode.workspace.onDidSaveTextDocument((document) => {
-      void documents.didSave(document).catch(report);
+      documents.didSave(document);
     }),
     vscode.workspace.registerTextDocumentContentProvider(REVISION_SCHEME, revisions),
     vscode.workspace.onDidCloseTextDocument((document) => {

vscode/src/snapshotProvider.ts

@@ -128,9 +128,12 @@ export class SnapshotDocuments implements vscode.FileSystemProvider {
     this.changed(uri);
   }
 
-  async didSave(document: vscode.TextDocument): Promise<void> {
-    if (document.uri.scheme === "runa" && !document.isDirty)
-      await vscode.commands.executeCommand("workbench.action.files.revertResource", document.uri);
+  didSave(document: vscode.TextDocument): void {
+    if (document.uri.scheme !== "runa" || document.isDirty) return;
+    const snapshot = this.snapshot(document.uri);
+    // Notify after the save completes so VS Code reloads the now-clean editor.
+    snapshot.mtime = Math.max(Date.now(), snapshot.mtime + 1);
+    this.changed(document.uri);
   }
 
   watch(): vscode.Disposable {