diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index fe9c9ec..00e3693 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -20,7 +20,9 @@ jobs:
           node-version: 24
       - name: Install dependencies
         run: yarn --immutable
-      - name: Run checks
+      - name: Run lint
         run: yarn lint
+      - name: Run typecheck
+        run: yarn typecheck
       - name: Run tests
         run: yarn test
diff --git a/package.json b/package.json
index 54ad9b9..7235ee3 100644
--- a/package.json
+++ b/package.json
@@ -91,6 +91,7 @@
     "coverage:badge": "node ./scripts/generate-coverage-badge.mjs",
     "lint": "eslint --ignore-path .gitignore --ext .ts,.tsx,.yml,.yaml .",
     "fix": "yarn lint --fix",
+    "typecheck": "tsc --noEmit",
     "test": "vitest run",
     "test:coverage": "vitest run --coverage",
     "test:watch": "vitest watch",
diff --git a/src/resources/reports.tsx b/src/resources/reports.tsx
index f3cc077..bff19e8 100644
--- a/src/resources/reports.tsx
+++ b/src/resources/reports.tsx
@@ -88,11 +88,13 @@ const ReportShowActions = () => {
   );
 };
 
+const ReceivedTsField = (props: any) => <DateField {...props} showTime options={DATE_FORMAT} />;
+
 export const ReportList = (props: ListProps) => (
   <List {...props} pagination={<ReportPagination />} sort={{ field: "received_ts", order: "DESC" }}>
     <DataTable rowClick="show" bulkActionButtons={false}>
       <DataTable.Col source="id" />
-      <DataTable.Col source="received_ts" field={DateField} fieldProps={{ showTime: true, options: DATE_FORMAT }} />
+      <DataTable.Col source="received_ts" field={ReceivedTsField} />
       <DataTable.Col source="user_id" />
       <DataTable.NumberCol source="score" />
       <DataTable.Col source="name" />
diff --git a/src/synapse/dataProvider.test.ts b/src/synapse/dataProvider.test.ts
index c61f768..45a9b5f 100644
--- a/src/synapse/dataProvider.test.ts
+++ b/src/synapse/dataProvider.test.ts
@@ -376,37 +376,37 @@ describe("dataProvider", () => {
   it("deletes various resources using their custom configurations", async () => {
     fetchMock.mockResponse(JSON.stringify({}));
 
-    await dataProvider.delete("rooms", { id: "room1", previousData: {} });
+    await dataProvider.delete("rooms", { id: "room1", previousData: { id: "room1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v2/rooms/room1",
       expect.objectContaining({ method: "DELETE", body: '{"block":false}' })
     );
 
-    await dataProvider.delete("users_media", { id: "media1", previousData: {} });
+    await dataProvider.delete("users_media", { id: "media1", previousData: { id: "media1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v1/media/matrix.example.com/media1",
       expect.objectContaining({ method: "DELETE" })
     );
 
-    await dataProvider.delete("protect_media", { id: "media1", previousData: {} });
+    await dataProvider.delete("protect_media", { id: "media1", previousData: { id: "media1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v1/media/unprotect/media1",
       expect.objectContaining({ method: "POST" })
     );
 
-    await dataProvider.delete("quarantine_media", { id: "media1", previousData: {} });
+    await dataProvider.delete("quarantine_media", { id: "media1", previousData: { id: "media1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v1/media/unquarantine/matrix.example.com/media1",
       expect.objectContaining({ method: "POST" })
     );
 
-    await dataProvider.delete("forward_extremities", { id: "room1", previousData: {} });
+    await dataProvider.delete("forward_extremities", { id: "room1", previousData: { id: "room1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v1/rooms/room1/forward_extremities",
       expect.objectContaining({ method: "DELETE" })
     );
 
-    await dataProvider.delete("destinations", { id: "dest1", previousData: {} });
+    await dataProvider.delete("destinations", { id: "dest1", previousData: { id: "dest1" } });
     expect(fetchMock).toHaveBeenCalledWith(
       "http://localhost/_synapse/admin/v1/federation/destinations/dest1/reset_connection",
       expect.objectContaining({ method: "POST" })
@@ -415,11 +415,11 @@ describe("dataProvider", () => {
 
   it("deletes single resources using custom methods and fallback body logic", async () => {
     fetchMock.mockResponseOnce(JSON.stringify({}));
-    await deleteResource("devices", { id: "D1", previousData: { user_id: "@u:example.com" } });
+    await deleteResource("devices", { id: "D1", previousData: { id: "D1", user_id: "@u:example.com" } });
     expect(fetchMock.mock.calls[0]?.[1]?.body).toBeNull();
 
     fetchMock.mockResponseOnce(JSON.stringify({ id: "deleted" }));
-    await deleteResource("users", { id: "@user:matrix.example.com", previousData: {} });
+    await deleteResource("users", { id: "@user:matrix.example.com", previousData: { id: "@user:matrix.example.com" } });
     expect(fetchMock.mock.calls[1]?.[1]?.method).toBe("POST");
     expect(fetchMock.mock.calls[1]?.[1]?.body).toBe('{"erase":true}');
   });
diff --git a/tsconfig.json b/tsconfig.json
index 2b59fee..f8676cf 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -57,7 +57,7 @@
     /* Experimental Options */
     // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
     // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
-    "skipLibCheck": false
+    "skipLibCheck": true
   },
   "include": ["src"],
   "references": [{ "path": "./tsconfig.vite.json" }]