feat: add filter to Issues column in Pricing view

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/PricingView.tsx

@@ -82,6 +82,7 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
   const [outerLFilter, setOuterLFilter] = useState<string[]>([]);
   const [outerHFilter, setOuterHFilter] = useState<string[]>([]);
   const [dynamicColFilters, setDynamicColFilters] = useState<Record<number, string[]>>({});
+  const [weightIssueFilter, setWeightIssueFilter] = useState<'all' | 'with' | 'without'>('all');
   const [editingType, setEditingType] = useState<{ rowIndex: number; value: string } | null>(null);
   const [typeSuggestions, setTypeSuggestions] = useState<string[]>([]);
   const typeInputRef = useRef<HTMLInputElement>(null);
@@ -345,8 +346,15 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
       }
     });
 
+    // Weight issue filter
+    if (weightIssueFilter === 'with') {
+      result = result.filter(r => r.unitErrors.some(e => e.startsWith('NW')));
+    } else if (weightIssueFilter === 'without') {
+      result = result.filter(r => !r.unitErrors.some(e => e.startsWith('NW')));
+    }
+
     return result;
-  }, [analyzedRows, filterMode, search, nameColFilter, lineMultiFilter, classificationFilter, unitsOuterFilter, outerWFilter, outerLFilter, outerHFilter, dynamicColFilters]);
+  }, [analyzedRows, filterMode, search, nameColFilter, lineMultiFilter, classificationFilter, unitsOuterFilter, outerWFilter, outerLFilter, outerHFilter, dynamicColFilters, weightIssueFilter]);
 
   // ── Sorted rows ──────────────────────────────────────────────────────────
   const sortedRows = useMemo(() => {
@@ -1057,8 +1065,35 @@ export function PricingView({ data, headers, onSaveRow, onCaptureState, onEdit,
                   );
                 })}
 
-                <th style={{ width: 180 }} className="text-left px-3 py-3 text-xs font-semibold text-red-400 uppercase tracking-wider border-b border-slate-700 whitespace-nowrap relative">
+                <th style={{ width: 180 }} className="text-left px-3 py-3 text-xs font-semibold text-red-400 uppercase tracking-wider border-b border-slate-700 whitespace-nowrap group relative">
-                  Issues
+                  <div className="flex items-center gap-1">
+                    <span>Issues</span>
+                    <button
+                      onClick={() => setOpenFilter(openFilter === 'weightIssue' ? null : 'weightIssue')}
+                      className={cn(
+                        'p-0.5 rounded hover:bg-slate-700 transition-colors shrink-0',
+                        weightIssueFilter !== 'all' ? 'text-red-400 bg-red-400/10' : 'text-slate-500 opacity-0 group-hover:opacity-100'
+                      )}
+                    >
+                      <Filter className="w-3 h-3" />
+                    </button>
+                  </div>
+                  {openFilter === 'weightIssue' && (
+                    <div className="absolute top-full left-0 mt-1 w-44 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl z-50 p-1 flex flex-col gap-0.5 animate-in fade-in zoom-in-95 duration-100">
+                      {(['all', 'with', 'without'] as const).map(opt => (
+                        <button
+                          key={opt}
+                          onClick={() => { setWeightIssueFilter(opt); setOpenFilter(null); }}
+                          className={cn(
+                            'w-full text-left px-3 py-1.5 rounded text-xs transition-colors',
+                            weightIssueFilter === opt ? 'bg-red-500/20 text-red-400' : 'text-slate-300 hover:bg-slate-700'
+                          )}
+                        >
+                          {opt === 'all' ? 'All' : opt === 'with' ? 'With weight issue' : 'No weight issue'}
+                        </button>
+                      ))}
+                    </div>
+                  )}
                 </th>
 
                 <th style={{ width: columnWidths.check }} className="text-left px-3 py-3 text-xs font-semibold text-blue-400 uppercase tracking-wider group cursor-pointer hover:bg-slate-800/50 transition-colors relative" onClick={() => handleSort(COLUMNS.VALIDATED_CHECK)}>