feat(form-builder): form_field_configs relational table + non-validation key split + drop validation_rules JSON columns

apps/portal/src/components/public-form/FieldNumber.vue

@@ -43,8 +43,8 @@ function onUpdate(raw: string | number | null) {
     :label="field.label"
     :hint="field.help_text ?? undefined"
     persistent-hint
-    :min="field.validation_rules?.min ?? undefined"
-    :max="field.validation_rules?.max ?? undefined"
+    :min="field.validation_rules?.min_value ?? undefined"
+    :max="field.validation_rules?.max_value ?? undefined"
     :rules="rules"
     :error-messages="errorMessages"
     :required="field.is_required"

apps/portal/src/components/public-form/FieldSectionPriority.vue

@@ -54,7 +54,9 @@ watch(() => props.modelValue, v => {
 }, { deep: true })
 
 const maxPriorities = computed(() => {
-  const raw = props.field.validation_rules?.max_priorities
+  // WS-5b canonicalised the legacy `max_priorities` key to `max_selected`;
+  // the field's cap (if any) is surfaced under `validation_rules.max_selected`.
+  const raw = props.field.validation_rules?.max_selected
   if (typeof raw === 'number' && Number.isFinite(raw) && raw > 0) {
     return Math.min(raw, HARD_CAP)
   }

apps/portal/src/components/public-form/FieldText.vue

@@ -29,7 +29,7 @@ const model = computed({
     :rules="rules"
     :error-messages="errorMessages"
     :required="field.is_required"
-    :maxlength="field.validation_rules?.max ?? undefined"
+    :maxlength="field.validation_rules?.max_length ?? undefined"
     @blur="emit('blur')"
   />
 </template>

apps/portal/src/components/public-form/FieldTextarea.vue

@@ -31,7 +31,7 @@ const model = computed({
     :rules="rules"
     :error-messages="errorMessages"
     :required="field.is_required"
-    :maxlength="field.validation_rules?.max ?? undefined"
+    :maxlength="field.validation_rules?.max_length ?? undefined"
     @blur="emit('blur')"
   />
 </template>