feat(fields): мягкое удаление полей формы — архив удалённых с восстановлением и блок «Удалённые поля» в задаче

server/services/contract-number.service.ts

@@ -1,5 +1,5 @@
 import { db } from "../db";
-import { eq, and, sql } from "drizzle-orm";
+import { eq, and, sql, isNull } from "drizzle-orm";
 import { tasks, taskFieldValues, contractNumberCounters, forms, formFields } from "@shared/schema";
 
 export interface ContractNumberConfig {
@@ -50,7 +50,8 @@ async function getTaskFieldValueByCode(
     .where(
       and(
         eq(formFields.formId, task.tasks.formId),
-        eq(formFields.code, fieldCode)
+        eq(formFields.code, fieldCode),
+        isNull(formFields.deletedAt)
       )
     )
     .limit(1);

server/services/gantt-shift.service.ts

@@ -44,7 +44,8 @@ export async function getGanttFieldsByForm(formIds: number[], organizationId: nu
     .where(and(
       inArray(formFields.formId, formIds),
       eq(forms.organizationId, organizationId),
-      sql`${formFields.ganttRole} IS NOT NULL`
+      sql`${formFields.ganttRole} IS NOT NULL`,
+      isNull(formFields.deletedAt)
     ));
 
   return rows
@@ -146,7 +147,8 @@ export async function shiftRelatedTasks(
     .innerJoin(forms, eq(formFields.formId, forms.id))
     .where(and(
       eq(forms.organizationId, organizationId),
-      sql`${formFields.ganttRole} IS NOT NULL`
+      sql`${formFields.ganttRole} IS NOT NULL`,
+      isNull(formFields.deletedAt)
     ));
 
   const validFields: GanttFieldInfo[] = allGanttFields