diff --git a/app/src/App.tsx b/app/src/App.tsx
index 412be8e..2220612 100644
--- a/app/src/App.tsx
+++ b/app/src/App.tsx
@@ -717,13 +717,17 @@ function App() {
     [restackPr],
   );
 
-  // Open a review's workspace directly (row double-click / Enter, rail footer).
-  // The Briefing-vs-Diff landing decision lives in the workspace itself.
+  // Open a review's workspace (row double-click / Enter, rail footer). Routes
+  // by gate state exactly like the action button: an actionable review opens
+  // FOR REVIEW (Pending/Reworked → InReview — commenting is only enabled while
+  // InReview, so a bare navigate would land in a silently read-only diff);
+  // everything else just navigates. The Briefing-vs-Diff landing decision
+  // lives in the workspace itself.
   const handleOpenReview = useCallback(
     (pr: string) => {
-      void navigateToDiff(pr);
+      handleReviewAction(pr);
     },
-    [navigateToDiff],
+    [handleReviewAction],
   );
 
   const clearSelection = useCallback(() => {
@@ -735,9 +739,11 @@ function App() {
   const handleRailJump = useCallback(
     (pr: string, path: string, side: DiffSide, line: number) => {
       requestDiffJump(pr, path, side, line);
-      void navigateToDiff(pr);
+      // Same state-routed open as handleOpenReview: jumping to a finding's
+      // line is a prelude to commenting on it, which needs InReview.
+      handleReviewAction(pr);
     },
-    [requestDiffJump, navigateToDiff],
+    [requestDiffJump, handleReviewAction],
   );
 
   // Opening a project always routes to its plan gate. When the project has no