fix(decisions): make queue key restore-safe

Replace the referenced composite unique index with a table constraint so logical backups restore foreign keys reliably.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/db/src/migrations/0199_decision_queue_composite_key.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "decision_queue_items" DROP CONSTRAINT "decision_queue_items_queue_company_fk";--> statement-breakpoint
+DROP INDEX "decision_queues_id_company_uq";--> statement-breakpoint
+ALTER TABLE "decision_queues" ADD CONSTRAINT "decision_queues_id_company_uq" UNIQUE("id","company_id");--> statement-breakpoint
+ALTER TABLE "decision_queue_items" ADD CONSTRAINT "decision_queue_items_queue_company_fk" FOREIGN KEY ("queue_id","company_id") REFERENCES "public"."decision_queues"("id","company_id") ON DELETE cascade ON UPDATE no action;

packages/db/src/migrations/meta/_journal.json

@@ -1380,6 +1380,13 @@
       "when": 1785603158310,
       "tag": "0198_decision_queues_and_triage",
       "breakpoints": true
+    },
+    {
+      "idx": 199,
+      "version": "7",
+      "when": 1785605818353,
+      "tag": "0199_decision_queue_composite_key",
+      "breakpoints": true
     }
   ]
 }

packages/db/src/schema/decision_queues.ts

@@ -10,6 +10,7 @@ import {
   pgTable,
   text,
   timestamp,
+  unique,
   uniqueIndex,
   uuid,
 } from "drizzle-orm/pg-core";
@@ -41,7 +42,7 @@ export const decisionQueues = pgTable(
   (table) => ({
     companyKeyUq: uniqueIndex("decision_queues_company_key_uq").on(table.companyId, table.key),
     companyUpdatedIdx: index("decision_queues_company_updated_idx").on(table.companyId, table.updatedAt),
-    idCompanyUq: uniqueIndex("decision_queues_id_company_uq").on(table.id, table.companyId),
+    idCompanyUq: unique("decision_queues_id_company_uq").on(table.id, table.companyId),
     creatorCheck: check(
       "decision_queues_creator_check",
       sql`(