Address code review feedback - add logging and constant for virtual branches

Co-authored-by: eliandoran <[email protected]>

Author: Copilot

apps/client/src/widgets/dialogs/branch_prefix.tsx

@@ -12,6 +12,9 @@ import { useTriliumEvent } from "../react/hooks.jsx";
 import FBranch from "../../entities/fbranch.js";
 import type { ContextMenuCommandData } from "../../components/app_context.js";
 
+// Virtual branches (e.g., from search results) start with this prefix
+const VIRTUAL_BRANCH_PREFIX = "virt-";
+
 export default function BranchPrefixDialog() {
     const [ shown, setShown ] = useState(false);
     const [ branches, setBranches ] = useState<FBranch[]>([]);
@@ -23,7 +26,7 @@ export default function BranchPrefixDialog() {
 
         if (data?.selectedOrActiveBranchIds && data.selectedOrActiveBranchIds.length > 0) {
             // Multi-select mode from tree context menu
-            branchIds = data.selectedOrActiveBranchIds.filter((branchId) => !branchId.startsWith("virt-"));
+            branchIds = data.selectedOrActiveBranchIds.filter((branchId) => !branchId.startsWith(VIRTUAL_BRANCH_PREFIX));
         } else {
             // Single branch mode from keyboard shortcut or when no selection
             const notePath = appContext.tabManager.getActiveContextNotePath();

apps/server/src/routes/api/branches.ts

@@ -278,18 +278,22 @@ function setPrefixBatch(req: Request) {
     }
 
     const normalizedPrefix = utils.isEmptyOrWhitespace(prefix) ? null : prefix;
+    let updatedCount = 0;
 
     for (const branchId of branchIds) {
         const branch = becca.getBranch(branchId);
         if (branch) {
             branch.prefix = normalizedPrefix;
             branch.save();
+            updatedCount++;
+        } else {
+            log.info(`Branch ${branchId} not found, skipping prefix update`);
         }
     }
 
     return {
         success: true,
-        count: branchIds.length
+        count: updatedCount
     };
 }