fix discrepancy ui

backend/app/services/scanner.py

@@ -11,7 +11,7 @@ from typing import Any, Dict, List, Optional, Tuple
 import psutil
 from loguru import logger
 from sqlalchemy.orm import Session
-from sqlalchemy.orm.exc import StaleDataError
+from sqlalchemy.orm.exc import ObjectDeletedError, StaleDataError
 
 from app.db import models
 from app.db.database import SessionLocal
@@ -911,6 +911,16 @@ class ScannerService:
                     )
                     JobManager.complete_job(hashing_job.id)
 
+        except ObjectDeletedError:
+            logger.debug(
+                "Background hashing aborted: Job was deleted by another process"
+            )
+            # Exit gracefully - another process cancelled this job
+            try:
+                with self._metrics_lock:
+                    self.is_hashing = False
+            except Exception:
+                pass
         except Exception as e:
             logger.error(f"Background hashing failed: {e}")
             # Try to report failure, but don't blow up if JobManager fails too

frontend/src/lib/components/file-browser/FileBrowser.svelte

@@ -35,7 +35,7 @@
                 onNavigate = (path: string) => {},
                 onToggleTrack = (item: FileItem) => {},
                 onSelect = (item: FileItem) => {},
-                onUndoDismiss = (item: FileItem) => {},
+                onAddToCart = (item: FileItem) => {},
                 onDelete = (item: FileItem) => {},
                 mode = "host",
                 isSearching = false,
@@ -47,7 +47,7 @@
                 onNavigate?: (path: string) => void;
                 onToggleTrack?: (item: FileItem) => void;
                 onSelect?: (item: FileItem) => void;
-                onUndoDismiss?: (item: FileItem) => void;
+                onAddToCart?: (item: FileItem) => void;
                 onDelete?: (item: FileItem) => void;
                 mode?: "host" | "index" | "cart" | "live" | "discrepancies";
                 isSearching?: boolean;
@@ -605,7 +605,7 @@
                                                                         onClick={(e) => handleRowClick(e, item)}
                                                                         onDoubleClick={() => handleRowDoubleClick(item)}
                                                                         onToggleTrack={() => onToggleTrack(item)}
-                                                                        onUndoDismiss={() => onUndoDismiss(item)}
+                                                                        onAddToCart={() => onAddToCart(item)}
                                                                         onDelete={() => onDelete(item)}
                                                                 />
                                                         {/each}

frontend/src/lib/components/file-browser/FileBrowserRowItem.svelte

@@ -14,7 +14,6 @@
                 ShieldAlert,
                 Square,
                 EyeOff,
-                Undo2,
                 Trash2
         } from "lucide-svelte";
         import { Checkbox } from "$lib/components/ui/checkbox";
@@ -29,7 +28,7 @@
                 onClick = (e: MouseEvent) => {},
                 onDoubleClick = () => {},
                 onToggleTrack = () => {},
-                onUndoDismiss = () => {},
+                onAddToCart = () => {},
                 onDelete = () => {},
                 mode = "host",
                 colWidths = { mtime: 200, type: 150, size: 120 }
@@ -40,7 +39,7 @@
                 onClick?: (e: MouseEvent) => void;
                 onDoubleClick?: () => void;
                 onToggleTrack?: () => void;
-                onUndoDismiss?: () => void;
+                onAddToCart?: () => void;
                 onDelete?: () => void;
                 mode?: "host" | "index" | "live" | "cart" | "discrepancies";
                 colWidths?: { mtime: number; type: number; size: number };
@@ -251,15 +250,15 @@
         <!-- QUICK ACTIONS -->
         <div class="w-24 shrink-0 flex items-center justify-end gap-1 px-2">
                 {#if mode === "discrepancies"}
-                        {#if item.discrepancy_id}
+                        {#if item.discrepancy_id && item.has_versions && !item.is_deleted}
                                 <Button
                                         variant="ghost"
                                         size="icon"
-                                        class="h-7 w-7 text-text-secondary hover:text-blue-400 hover:bg-blue-500/10"
-                                        onclick={(e: MouseEvent) => { e.stopPropagation(); onUndoDismiss(); }}
-                                        title="Undo dismiss"
+                                        class="h-7 w-7 text-text-secondary hover:text-green-400 hover:bg-green-500/10"
+                                        onclick={(e: MouseEvent) => { e.stopPropagation(); onAddToCart(); }}
+                                        title="Add to restore cart"
                                 >
-                                        <Undo2 size={14} />
+                                        <CassetteTape size={14} />
                                 </Button>
                         {/if}
                         {#if item.is_deleted}

frontend/src/routes/discrepancies/+page.svelte

@@ -80,16 +80,15 @@
         }
     }
 
-    async function undoDismiss(item: FileItem) {
+    async function addToCart(item: FileItem) {
         if (!item.discrepancy_id) return;
         try {
-            await dismissDiscrepancySystemDiscrepanciesFileIdDismissPost({
+            await addFileToRecoveryQueueRestoresQueueFileFileIdPost({
                 path: { file_id: item.discrepancy_id }
             });
-            toast.success("Dismissal undone");
-            await loadDiscrepancies();
+            toast.success("Added to restore cart");
         } catch (error: any) {
-            toast.error(error.body?.detail || "Failed to undo dismiss");
+            toast.error(error.body?.detail || "Failed to add to restore cart");
         }
     }
 
@@ -184,7 +183,7 @@
                 files={files}
                 mode="discrepancies"
                 onNavigate={navigateTo}
-                onUndoDismiss={undoDismiss}
+                onAddToCart={addToCart}
                 onDelete={deletePermanently}
             />
         </div>

frontend/tests/discrepancies.test.ts

@@ -330,8 +330,8 @@ test.describe('Discrepancies', () => {
     await expect(page.getByText('Files missing from disk or confirmed deleted')).toBeVisible();
 
     console.log('Step 3: Verify summary cards are visible');
-    await expect(page.locator('span').filter({ hasText: 'Missing from disk' }).first()).toBeVisible();
-    await expect(page.locator('span').filter({ hasText: 'Pending confirmation' }).first()).toBeVisible();
+    await expect(page.locator('span').filter({ hasText: 'Missing with no backup' }).first()).toBeVisible();
+    await expect(page.locator('span').filter({ hasText: 'Missing with backup' }).first()).toBeVisible();
 
     await requestContext.dispose();
   });