feat: add ignore option for permission requests (UI-only dismissal)

server/routes/hooks-approval.ts

@@ -348,6 +348,31 @@ export async function handleHooksApprovalRespondPlan(req: Request): Promise<Resp
   }
 }
 
+// ── Ignore (remove from UI state only, don't respond to Claude Code) ──
+
+export async function handleHooksApprovalIgnore(req: Request): Promise<Response | null> {
+  if (req.method !== 'POST') return null
+
+  try {
+    const body = await req.json() as { requestId: string }
+
+    if (!body.requestId) {
+      return errorResponse('Missing requestId', 400)
+    }
+
+    console.log(`[HooksApproval] Ignoring ${body.requestId} (removing from UI state only)`)
+
+    // Remove from session state → broadcasts patch to all clients
+    // The long-poll promise stays alive and will timeout naturally (120s),
+    // at which point Claude Code gets {} and handles it with default behavior.
+    notifyResolveApproval(body.requestId, 'ignore')
+
+    return jsonResponse({ success: true, requestId: body.requestId })
+  } catch (e) {
+    return errorResponse('Invalid JSON body', 400)
+  }
+}
+
 // ── List pending (for state recovery) ──
 
 export async function handleHooksApprovalList(req: Request): Promise<Response | null> {