diff --git a/tests/p0/aud0-outbox-postgres.realinfra.test.ts b/tests/p0/aud0-outbox-postgres.realinfra.test.ts
new file mode 100644
index 0000000..b3f0855
--- /dev/null
+++ b/tests/p0/aud0-outbox-postgres.realinfra.test.ts
@@ -0,0 +1,94 @@
+import fs from "node:fs/promises";
+import path from "node:path";
+import postgres from "postgres";
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
+
+import { PostgresAud0OutboxRepository } from "@/src/evidence/aud0-outbox";
+
+const TEST_DATABASE_URL = process.env.TEST_DATABASE_URL;
+const describeReal = TEST_DATABASE_URL ? describe : describe.skip;
+const schema = `opt_outbox_test_${process.pid}_${Date.now()}`.replace(/[^a-zA-Z0-9_]/g, "_");
+let sql: ReturnType<typeof postgres>;
+let repo: PostgresAud0OutboxRepository;
+
+const baseEvent = {
+  event_id: "evt-real-1",
+  event_type: "0pt.test",
+  tenant_id: "tenant-real-a",
+  project_id: "project-a",
+  actor_id: "tester",
+  app_id: "0pt",
+  capability_id: "0pt.test.v1",
+  resource_type: "test",
+  resource_id: "r1",
+  risk_level: "L1",
+  created_at: "2026-09-07T12:00:00.000Z",
+  idempotency_key: "idem-real-1",
+};
+
+describeReal("AUD0 outbox Postgres integration", () => {
+  beforeAll(async () => {
+    const admin = postgres(TEST_DATABASE_URL!, { max: 1, onnotice: () => undefined });
+    await admin.unsafe(`CREATE SCHEMA ${schema}`);
+    await admin.end();
+    sql = postgres(TEST_DATABASE_URL!, {
+      max: 3,
+      prepare: false,
+      onnotice: () => undefined,
+      connection: { search_path: schema },
+    });
+    const migration = await fs.readFile(path.join(process.cwd(), "sql/011_aud0_evidence_outbox.sql"), "utf8");
+    await sql.unsafe(migration);
+    repo = new PostgresAud0OutboxRepository(sql);
+  });
+
+  afterAll(async () => {
+    if (sql) await sql.end({ timeout: 5 });
+    if (TEST_DATABASE_URL) {
+      const admin = postgres(TEST_DATABASE_URL, { max: 1, onnotice: () => undefined });
+      await admin.unsafe(`DROP SCHEMA IF EXISTS ${schema} CASCADE`);
+      await admin.end();
+    }
+  });
+
+  it("deduplicates identical producer replays and rejects same-key payload drift", async () => {
+    const first = await repo.enqueueEvent(baseEvent);
+    const replay = await repo.enqueueEvent({ ...baseEvent });
+    expect(replay.outbox_id).toBe(first.outbox_id);
+
+    await expect(
+      repo.enqueueEvent({ ...baseEvent, resource_id: "different" }),
+    ).rejects.toMatchObject({ code: "CONFLICT" });
+  });
+
+  it("leases rows to only one worker and recovers retry state", async () => {
+    await repo.enqueueEvent({ ...baseEvent, event_id: "evt-real-2", idempotency_key: "idem-real-2" });
+    const a = await repo.claimPending({ workerId: "worker-a", limit: 100, leaseMs: 60_000 });
+    expect(a.length).toBeGreaterThanOrEqual(2);
+
+    const b = await repo.claimPending({ workerId: "worker-b", limit: 100, leaseMs: 60_000 });
+    expect(b).toHaveLength(0);
+
+    const target = a.find((r) => r.idempotency_key === "idem-real-2")!;
+    await repo.markRetry(target.outbox_id, "worker-a", "DEPENDENCY_UNAVAILABLE:aud0", 0);
+    const reclaimed = await repo.claimPending({ workerId: "worker-b", limit: 100, leaseMs: 60_000 });
+    expect(reclaimed.some((r) => r.outbox_id === target.outbox_id)).toBe(true);
+  });
+
+  it("keeps delivered/dead rows as visible terminal evidence-delivery state", async () => {
+    const delivered = await repo.enqueueEvent({ ...baseEvent, event_id: "evt-real-3", idempotency_key: "idem-real-3" });
+    const dead = await repo.enqueueEvent({ ...baseEvent, event_id: "evt-real-4", idempotency_key: "idem-real-4" });
+
+    const claimed = await repo.claimPending({ workerId: "terminal-worker", limit: 100, leaseMs: 60_000 });
+    if (claimed.some((r) => r.outbox_id === delivered.outbox_id)) {
+      await repo.markDelivered(delivered.outbox_id, "terminal-worker");
+    }
+    if (claimed.some((r) => r.outbox_id === dead.outbox_id)) {
+      await repo.markDead(dead.outbox_id, "terminal-worker", "INVALID_REQUEST:aud0");
+    }
+
+    const stats = await repo.stats();
+    expect(stats.delivered).toBeGreaterThanOrEqual(1);
+    expect(stats.dead).toBeGreaterThanOrEqual(1);
+  });
+});