Q30: documents keep every version

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/main/database/schema.ts

@@ -63,6 +63,7 @@ import { taskRunContextSchema } from "./migrations/061-task-run-context";
 import { providerContextWindowSchema } from "./migrations/062-provider-context-window";
 import { knowledgeScopeSchema } from "./migrations/063-knowledge-scope";
 import { knowledgeRevisionsSchema } from "./migrations/064-knowledge-revisions";
+import { documentVersionsSchema } from "./migrations/065-document-versions";
 
 interface Migration {
   version: number;
@@ -135,6 +136,7 @@ const MIGRATIONS: Migration[] = [
   { version: 62, name: "provider_context_window", sql: providerContextWindowSchema },
   { version: 63, name: "knowledge_scope", sql: knowledgeScopeSchema },
   { version: 64, name: "knowledge_revisions", sql: knowledgeRevisionsSchema },
+  { version: 65, name: "document_versions", sql: documentVersionsSchema },
 ];
 
 const SCHEMA_VERSION = MIGRATIONS[MIGRATIONS.length - 1].version;