add hard capacity ceiling to weight limit rules

apps/edr-freight-web/backoffice/src/pages/ruleEngine/RuleEngineResourcePage.tsx

@@ -341,6 +341,10 @@ const RuleEngineResourcePage = () => {
     } else if (config.slug === "priority-configs") {
       // Label is required by the backend but hidden in the UI for now.
       payload = { ...values, label: String(Date.now()) };
+    } else if (config.slug === "weight-limit-rules") {
+      // Empty max capacity means "no ceiling" — send null explicitly so an
+      // edit can clear a previously-set ceiling (omitting the key keeps it).
+      payload = { ...values, maxCapacityTons: values.maxCapacityTons ?? null };
     }
 
     if (editing?.id) {

apps/edr-freight-web/backoffice/src/pages/ruleEngine/config/resources.ts

@@ -374,6 +374,12 @@ export const RULE_ENGINE_RESOURCES: RuleEngineResourceConfig[] = [
       },
       { id: "tradeDirection", header: "Direction", accessorKey: "tradeDirection" },
       { id: "maxVgmTons", header: "Max VGM (t)", accessorKey: "maxVgmTons", format: "number" },
+      {
+        id: "maxCapacityTons",
+        header: "Max capacity (t)",
+        accessorKey: "maxCapacityTons",
+        format: "number",
+      },
     ],
     formFields: [
       {
@@ -391,6 +397,14 @@ export const RULE_ENGINE_RESOURCES: RuleEngineResourceConfig[] = [
         options: TRADE_DIRECTIONS,
       },
       { name: "maxVgmTons", label: "Max VGM (tons)", type: "number", required: true },
+      {
+        name: "maxCapacityTons",
+        label: "Max capacity (tons)",
+        type: "number",
+        optional: true,
+        description:
+          "Hard ceiling — a booking whose line weight exceeds this cannot be created at all. Leave empty for no ceiling (overweight surcharge only).",
+      },
     ],
   },
   {