feat(history): add Discard selected button to cancel pending BC syncs

src/components/HistoryView.tsx

@@ -15,13 +15,14 @@ interface HistoryViewProps {
   onEdit?: (rowIndex: number) => void;
 }
 
-type HistorySyncStatus = 'bc_pending' | 'previewed' | 'syncing' | 'synced' | 'failed';
+type HistorySyncStatus = 'bc_pending' | 'previewed' | 'preview_only' | 'syncing' | 'synced' | 'failed';
 
 interface HistorySyncRecord {
   selected: boolean;
   status: HistorySyncStatus;
   previewToken?: string;
   error?: string;
+  warning?: string;
 }
 
 type HistorySyncMap = Record<string, HistorySyncRecord>;
@@ -45,7 +46,7 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
   const [expandedId, setExpandedId] = useState<string | null>(null);
   const [search, setSearch] = usePersistentState('history-search', '');
   const [userFilter, setUserFilter] = usePersistentState('history-userFilter', '');
-  const [statusFilter, setStatusFilter] = usePersistentState<'all' | 'bc_pending' | 'previewed' | 'synced' | 'failed'>('history-statusFilter', 'all');
+  const [statusFilter, setStatusFilter] = usePersistentState<'all' | 'bc_pending' | 'previewed' | 'preview_only' | 'synced' | 'failed'>('history-statusFilter', 'all');
   const [bcHistorySync, setBcHistorySync] = useState<HistorySyncMap>(() => readStoredHistorySyncMap());
   const [bcSyncBusy, setBcSyncBusy] = useState(false);
   const [isFullscreen, setIsFullscreen] = useState(false);
@@ -163,7 +164,7 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
   );
 
   const statusCounts = useMemo(() => {
-    const counts = { bc_pending: 0, previewed: 0, synced: 0, failed: 0 };
+    const counts = { bc_pending: 0, previewed: 0, preview_only: 0, synced: 0, failed: 0 };
     history.forEach(entry => {
       const status = getEntryStatus(entry);
       if (status in counts) counts[status as keyof typeof counts] += 1;
@@ -196,12 +197,26 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
           status: next[key]?.status ?? 'bc_pending',
           previewToken: next[key]?.previewToken,
           error: next[key]?.error,
+          warning: next[key]?.warning,
         };
       });
       return next;
     });
   };
 
+  const discardSelected = () => {
+    if (selectedEntries.length === 0) return;
+    if (!window.confirm(`Discard ${selectedEntries.length} pending sync(s)? They will be reset to "Pending BC" and will not be synced to Business Central.`)) return;
+    setBcHistorySync(prev => {
+      const next = { ...prev };
+      selectedEntries.forEach(entry => {
+        const key = getEntryKey(entry);
+        next[key] = { selected: false, status: 'bc_pending' };
+      });
+      return next;
+    });
+  };
+
   const previewSelected = async () => {
     if (selectedEntries.length === 0) return;
     setBcSyncBusy(true);
@@ -213,13 +228,14 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
       })) {
         const preview = await previewBusinessCentralSync(headers, entry.new_data);
         if (!preview.success) {
-          updateEntry(entry, { status: 'failed', error: preview.error || 'Preview failed', selected: true });
+          updateEntry(entry, { status: 'failed', error: preview.error || 'Preview failed', warning: undefined, selected: true });
           continue;
         }
         updateEntry(entry, {
           status: 'previewed',
           previewToken: preview.previewToken,
           error: undefined,
+          warning: undefined,
           selected: true,
         });
       }
@@ -247,11 +263,11 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
         if (!previewToken) {
           const preview = await previewBusinessCentralSync(headers, entry.new_data);
           if (!preview.success) {
-            updateEntry(entry, { status: 'failed', error: preview.error || 'Preview failed', selected: true });
+            updateEntry(entry, { status: 'failed', error: preview.error || 'Preview failed', warning: undefined, selected: true });
             continue;
           }
           previewToken = preview.previewToken;
-          updateEntry(entry, { status: 'previewed', previewToken, error: undefined, selected: true });
+          updateEntry(entry, { status: 'previewed', previewToken, error: undefined, warning: undefined, selected: true });
         }
 
         const apply = await applyBusinessCentralSync(headers, entry.new_data, previewToken);
@@ -263,6 +279,7 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
                 status: 'previewed',
                 previewToken: refreshedPreview.previewToken,
                 error: undefined,
+                warning: undefined,
                 selected: true,
               });
               const retryApply = await applyBusinessCentralSync(headers, entry.new_data, refreshedPreview.previewToken);
@@ -270,22 +287,24 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
                 updateEntry(entry, {
                   status: 'synced',
                   error: undefined,
+                  warning: retryApply.warning,
                   selected: false,
                   previewToken: retryApply.previewToken || refreshedPreview.previewToken,
                 });
                 continue;
               }
-              updateEntry(entry, { status: 'failed', error: retryApply.error || 'BC sync failed', selected: true });
+              updateEntry(entry, { status: 'failed', error: retryApply.error || 'BC sync failed', warning: retryApply.warning, selected: true });
               continue;
             }
           }
-          updateEntry(entry, { status: 'failed', error: apply.error || 'BC sync failed', selected: true });
+          updateEntry(entry, { status: 'failed', error: apply.error || 'BC sync failed', warning: apply.warning, selected: true });
           continue;
         }
 
         updateEntry(entry, {
           status: 'synced',
           error: undefined,
+          warning: apply.warning,
           selected: false,
           previewToken: apply.previewToken || previewToken,
         });
@@ -392,6 +411,7 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
           <span className="text-slate-600">·</span>
           <span>{statusCounts.bc_pending} pending</span>
           <span>{statusCounts.previewed} previewed</span>
+          <span>{statusCounts.preview_only} preview only</span>
           <span>{statusCounts.synced} synced</span>
           <span>{statusCounts.failed} failed</span>
         </div>
@@ -404,6 +424,7 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
             <option value="all">All statuses</option>
             <option value="bc_pending">Pending BC</option>
             <option value="previewed">Previewed</option>
+            <option value="preview_only">Preview only</option>
             <option value="synced">Synced BC</option>
             <option value="failed">Failed</option>
           </select>
@@ -419,6 +440,18 @@ export function HistoryView({ headers, data, onRevert, onEdit }: HistoryViewProp
           >
             Clear selection
           </button>
+          <button
+            onClick={discardSelected}
+            disabled={selectedEntries.length === 0}
+            className={cn(
+              "px-3 py-2 rounded-md text-xs border transition-colors",
+              selectedEntries.length === 0
+                ? "bg-slate-700 text-slate-500 border-slate-600 cursor-not-allowed"
+                : "bg-slate-800 hover:bg-red-900/40 text-red-400 border-red-500/30 hover:border-red-500/60"
+            )}
+          >
+            Discard selected
+          </button>
           <button
             onClick={previewSelected}
             disabled={bcSyncBusy || selectedEntries.length === 0}