merge: wave 2 executor (01-02) into main

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

paperclip-reference/packages/db/src/schema/document_revisions.ts

@@ -0,0 +1,30 @@
+import { pgTable, uuid, text, integer, timestamp, index, uniqueIndex } from "drizzle-orm/pg-core";
+import { companies } from "./companies.js";
+import { agents } from "./agents.js";
+import { documents } from "./documents.js";
+
+export const documentRevisions = pgTable(
+  "document_revisions",
+  {
+    id: uuid("id").primaryKey().defaultRandom(),
+    companyId: uuid("company_id").notNull().references(() => companies.id),
+    documentId: uuid("document_id").notNull().references(() => documents.id, { onDelete: "cascade" }),
+    revisionNumber: integer("revision_number").notNull(),
+    body: text("body").notNull(),
+    changeSummary: text("change_summary"),
+    createdByAgentId: uuid("created_by_agent_id").references(() => agents.id, { onDelete: "set null" }),
+    createdByUserId: text("created_by_user_id"),
+    createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
+  },
+  (table) => ({
+    documentRevisionUq: uniqueIndex("document_revisions_document_revision_uq").on(
+      table.documentId,
+      table.revisionNumber,
+    ),
+    companyDocumentCreatedIdx: index("document_revisions_company_document_created_idx").on(
+      table.companyId,
+      table.documentId,
+      table.createdAt,
+    ),
+  }),
+);