add is not operand on numeric fields (#16299)

closes https://github.com/twentyhq/twenty/issues/16162

packages/twenty-server/src/modules/workflow/workflow-executor/workflow-actions/filter/utils/__tests__/evaluate-filter-conditions.util.spec.ts

@@ -484,6 +484,31 @@ describe('evaluateFilterConditions', () => {
         expect(evaluateFilterConditions({ filters: [filter2] })).toBe(false);
         expect(evaluateFilterConditions({ filters: [filter3] })).toBe(false);
       });
+
+      it('should handle IsNot operand correctly', () => {
+        const filter1 = createFilter(
+          ViewFilterOperand.IS_NOT,
+          25,
+          25,
+          'NUMBER',
+        );
+        const filter2 = createFilter(
+          ViewFilterOperand.IS_NOT,
+          20,
+          25,
+          'NUMBER',
+        );
+        const filter3 = createFilter(
+          ViewFilterOperand.IS_NOT,
+          30,
+          25,
+          'NUMBER',
+        );
+
+        expect(evaluateFilterConditions({ filters: [filter1] })).toBe(false);
+        expect(evaluateFilterConditions({ filters: [filter2] })).toBe(true);
+        expect(evaluateFilterConditions({ filters: [filter3] })).toBe(true);
+      });
     });
 
     describe('string and array operands', () => {

packages/twenty-server/src/modules/workflow/workflow-executor/workflow-actions/filter/utils/evaluate-filter-conditions.util.ts

@@ -349,6 +349,9 @@ function evaluateNumberFilter(filter: ResolvedFilter): boolean {
     case ViewFilterOperand.IS:
       return Number(leftValue) === Number(rightValue);
 
+    case ViewFilterOperand.IS_NOT:
+      return Number(leftValue) !== Number(rightValue);
+
     default:
       throw new Error(
         `Operand ${filter.operand} not supported for number filter`,