diff --git a/packages/runtime/src/services/database/migrations/migrations.001-init.ts b/packages/runtime/src/services/database/migrations/migrations.001-init.ts
index 19b3594..74f93a9 100644
--- a/packages/runtime/src/services/database/migrations/migrations.001-init.ts
+++ b/packages/runtime/src/services/database/migrations/migrations.001-init.ts
@@ -26,7 +26,7 @@ const init: Migration = {
       table.text('text').nullable();
       table.string('source').nullable();
       table.string('sourceId').nullable();
-      table.string('type').notNullable();
+      table.string('type').nullable();
       table.integer('typeVersion').nullable();
       table.jsonb('metadata').nullable();
 
@@ -78,9 +78,9 @@ type DocumentRow = {
   text: string | null;
   source: string | null;
   sourceId: string | null;
-  type: string;
+  type: string | null;
   typeVersion: number | null;
-  metadata: unknown;
+  metadata: unknown | null;
 };
 
 type DocumentChunkRow = {
diff --git a/packages/runtime/src/services/documents/documents.schemas.ts b/packages/runtime/src/services/documents/documents.schemas.ts
index db749f4..9f9fcee 100644
--- a/packages/runtime/src/services/documents/documents.schemas.ts
+++ b/packages/runtime/src/services/documents/documents.schemas.ts
@@ -14,9 +14,9 @@ const documentSchema = z
     text: z.string().nullable(),
     source: z.string().nullable(),
     sourceId: z.string().nullable(),
-    type: z.string(),
+    type: z.string().nullable(),
     typeVersion: z.int().nullable(),
-    metadata: z.unknown(),
+    metadata: z.unknown().nullable(),
   })
   .meta({ id: 'Document' });
 
@@ -31,7 +31,7 @@ const documentUpsertSchema = z
     text: z.string().nullish(),
     source: z.string().nullish(),
     sourceId: z.string().nullish(),
-    type: z.string().optional(),
+    type: z.string().nullish(),
     typeVersion: z.int().nullish(),
     metadata: z.unknown().nullish(),
   })
diff --git a/packages/runtime/src/services/documents/documents.ts b/packages/runtime/src/services/documents/documents.ts
index e24ba8b..55983c6 100644
--- a/packages/runtime/src/services/documents/documents.ts
+++ b/packages/runtime/src/services/documents/documents.ts
@@ -120,8 +120,6 @@ class DocumentsService extends EventEmitter<DocumentsServiceEvents> {
         } as const;
       } else {
         await trx<TableRows['documents']>(tableNames.documents).insert({
-          metadata: {},
-          type: 'raw',
           ...document,
           content: base64ToMaybeBuffer(document.content),
           id,
@@ -136,7 +134,7 @@ class DocumentsService extends EventEmitter<DocumentsServiceEvents> {
           source: null,
           sourceId: null,
           typeVersion: null,
-          metadata: {},
+          metadata: null,
           ...document,
           content: base64ToMaybeBuffer(document.content) || null,
           deletedAt: null,