diff --git a/TODO.md b/TODO.md
index 7eff558..de8dd22 100644
--- a/TODO.md
+++ b/TODO.md
@@ -32,9 +32,9 @@ This file is the single source of truth for roadmap and delivery progress.
 - [x] [P1] First-start onboarding route for initial owner creation (`/welcome`)
 - [x] [P1] Split auth entry points (`/welcome`, `/login`, `/register`) with cross-links
 - [x] [P2] Support fallback sign-in route (`/support/:key`) as break-glass access
-- [~] [P1] Reusable CRUD base patterns (list/detail/editor/service/repository)
-- [~] [P1] Shared CRUD validation strategy (Zod + server-side enforcement)
-- [~] [P1] Shared error and audit hooks for CRUD mutations
+- [x] [P1] Reusable CRUD base patterns (list/detail/editor/service/repository)
+- [x] [P1] Shared CRUD validation strategy (Zod + server-side enforcement)
+- [x] [P1] Shared error and audit hooks for CRUD mutations
 
 ### Admin App
 
diff --git a/docs/product-engineering/crud-baseline.md b/docs/product-engineering/crud-baseline.md
index 3c5c41d..aff07ab 100644
--- a/docs/product-engineering/crud-baseline.md
+++ b/docs/product-engineering/crud-baseline.md
@@ -7,6 +7,8 @@ MVP0 now includes a shared CRUD foundation package: `@cms/crud`.
 Current baseline:
 
 - Shared service factory: `createCrudService`
+- Repository contract: `list`, `findById`, `create`, `update`, `delete`
+- Service surface for list/detail/editor flows: `list`, `getById`, `create`, `update`, `delete`
 - Shared validation error type: `CrudValidationError`
 - Shared not-found error type: `CrudNotFoundError`
 - Shared mutation audit hook contract: `CrudAuditHook`
@@ -24,6 +26,11 @@ Current baseline:
 - `registerPostCrudAuditHook`
 
 Validation for create/update is enforced by `@cms/content` schemas.
+Contract tests validate:
+
+- repository list/detail behavior via CRUD service
+- validation and not-found errors
+- audit payload propagation (`actor`, `metadata`)
 
 The admin dashboard currently includes a temporary posts CRUD sandbox to validate this flow through a real app UI.
 
diff --git a/packages/crud/src/service.test.ts b/packages/crud/src/service.test.ts
index b636774..a094052 100644
--- a/packages/crud/src/service.test.ts
+++ b/packages/crud/src/service.test.ts
@@ -63,6 +63,32 @@ function createMemoryRepository() {
 }
 
 describe("createCrudService", () => {
+  it("supports list and detail lookups through the repository contract", async () => {
+    const service = createCrudService({
+      resource: "fake-entity",
+      repository: createMemoryRepository(),
+      schemas: {
+        create: z.object({
+          title: z.string().min(3),
+        }),
+        update: z.object({
+          title: z.string().min(3).optional(),
+        }),
+      },
+    })
+
+    const createdA = await service.create({ title: "First" })
+    const createdB = await service.create({ title: "Second" })
+
+    expect(await service.getById(createdA.id)).toEqual(createdA)
+    expect(await service.getById("missing")).toBeNull()
+
+    const listed = await service.list()
+    expect(listed).toHaveLength(2)
+    expect(listed).toContainEqual(createdA)
+    expect(listed).toContainEqual(createdB)
+  })
+
   it("validates create and update payloads", async () => {
     const service = createCrudService({
       resource: "fake-entity",
@@ -106,8 +132,13 @@ describe("createCrudService", () => {
   })
 
   it("emits audit events for create, update and delete", async () => {
-    const events: Array<{ action: string; beforeTitle: string | null; afterTitle: string | null }> =
-      []
+    const events: Array<{
+      action: string
+      beforeTitle: string | null
+      afterTitle: string | null
+      actorRole: string | null
+      requestId: string | null
+    }> = []
     const service = createCrudService({
       resource: "fake-entity",
       repository: createMemoryRepository(),
@@ -125,6 +156,9 @@ describe("createCrudService", () => {
             action: event.action,
             beforeTitle: event.before?.title ?? null,
             afterTitle: event.after?.title ?? null,
+            actorRole: event.actor?.role ?? null,
+            requestId:
+              typeof event.metadata?.requestId === "string" ? event.metadata.requestId : null,
           })
         },
       ],
@@ -134,6 +168,9 @@ describe("createCrudService", () => {
       { title: "Created" },
       {
         actor: { id: "u-1", role: "owner" },
+        metadata: {
+          requestId: "req-1",
+        },
       },
     )
 
@@ -145,16 +182,22 @@ describe("createCrudService", () => {
         action: "create",
         beforeTitle: null,
         afterTitle: "Created",
+        actorRole: "owner",
+        requestId: "req-1",
       },
       {
         action: "update",
         beforeTitle: "Created",
         afterTitle: "Updated",
+        actorRole: null,
+        requestId: null,
       },
       {
         action: "delete",
         beforeTitle: "Updated",
         afterTitle: null,
+        actorRole: null,
+        requestId: null,
       },
     ])
   })