feat(notes): let organizations define their own note fields

The note form was fixed. Owners can add fields and each note keeps those values.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/prisma/migrations/20261101120000_note_custom_fields/migration.sql

@@ -0,0 +1,3 @@
+ALTER TYPE "CustomFieldEntity" ADD VALUE IF NOT EXISTS 'note';
+
+ALTER TABLE "Note" ADD COLUMN IF NOT EXISTS "customFields" JSONB NOT NULL DEFAULT '{}';

apps/api/prisma/schema.prisma

@@ -52,6 +52,7 @@ enum CustomFieldEntity {
   person
   company
   deal
+  note
 }
 
 enum CustomFieldType {
@@ -941,6 +942,8 @@ model Note {
   checklist      Json?
   locationText   String?
   analyzeEnabled Boolean           @default(true)
+  /// مقادیر فیلدهای سفارشی یادداشت
+  customFields   Json              @default("{}")
   personId       String?
   person         Person?           @relation(fields: [personId], references: [id], onDelete: SetNull)
   companyId      String?