fix migration

db/migrate/20260206100322_create_dynamic_documents.rb

@@ -3,11 +3,11 @@
 class CreateDynamicDocuments < ActiveRecord::Migration[8.1]
   def change
     create_table :dynamic_documents do |t|
-      t.uuid :uuid, null: false
+      t.string :uuid, null: false
       t.references :template, null: false, foreign_key: true, index: true
       t.text :body, null: false
       t.text :head
-      t.text :sha1, null: false
+      t.string :sha1, null: false
 
       t.timestamps
     end

db/schema.rb

@@ -181,10 +181,10 @@ ActiveRecord::Schema[8.1].define(version: 2026_02_26_193537) do
     t.text "body", null: false
     t.datetime "created_at", null: false
     t.text "head"
-    t.text "sha1", null: false
+    t.string "sha1", null: false
     t.bigint "template_id", null: false
     t.datetime "updated_at", null: false
-    t.uuid "uuid", null: false
+    t.string "uuid", null: false
     t.index ["template_id"], name: "index_dynamic_documents_on_template_id"
   end