Fix #3: save prompt after implant build (GenerateResult.File, Regenerate fallback name, auto Save-to-disk)

app.go

@@ -1323,8 +1323,12 @@ func (a *App) RegenerateBuild(name string) TransferResult {
 	if resp.File == nil {
 		return TransferResult{Error: "no stored build for " + name}
 	}
+	defaultName := resp.File.Name
+	if defaultName == "" {
+		defaultName = name
+	}
 	savePath, err := a.safeSaveFileDialog(runtime.SaveDialogOptions{
-		DefaultFilename: resp.File.Name,
+		DefaultFilename: defaultName,
 		Title:           "Save regenerated implant",
 	})
 	if err != nil || savePath == "" {
@@ -2086,7 +2090,7 @@ func (a *App) GenerateImplant(req GenerateRequest) GenerateResult {
 	// calls RegenerateBuild(name) on a user click — a dialog raised by a direct
 	// gesture gets focus, and the spinner is already gone.
 	a.audit.log("generate", genReq.Name, fmt.Sprintf("%s/%s", req.GOOS, req.GOARCH))
-	return GenerateResult{Name: genReq.Name}
+	return GenerateResult{Name: genReq.Name, File: genReq.Name}
 }
 
 // randSuffix returns 8 random hex chars, used to make auto-generated implant

frontend/dist/main.js

@@ -2791,8 +2791,15 @@ function openGeneratePanel() {
       const r = await App().GenerateImplant(req).catch(e => ({error:String(e)}));
       document.getElementById('gen-status').style.display = 'none';
       const res = document.getElementById('gen-result');
-      res.textContent = r.error ? `[ERROR] ${r.error}` : `[OK] ${r.file}`;
-      res.style.color = r.error ? 'var(--accent)' : 'var(--ok)';
+      if (r.error) {
+        res.textContent = `[ERROR] ${r.error}`;
+        res.style.color = 'var(--accent)';
+      } else {
+        res.style.color = 'var(--ok)';
+        res.innerHTML = `<span>[OK] Build created: ${esc(r.name || r.file)}</span> <button class="btn small" style="margin-left:10px" onclick="buildRegen('${esc(r.name || r.file)}')">⬇ Save to disk</button>`;
+        // Auto-trigger the native save dialog immediately
+        buildRegen(r.name || r.file);
+      }
     });
   }, 0);
 }