Add inactivity deletion endpoint

functions/api/inactivity/[id].ts

@@ -0,0 +1,26 @@
+export async function onRequestDelete(context: RequestContext) {
+  const kvResult = await context.env.DATA.get(
+    `inactivity_${context.params.id}`,
+  );
+
+  if (
+    !kvResult ||
+    (JSON.parse(kvResult).user.id !== context.data.current_user.id &&
+      !(context.data.current_user.permissions & (1 << 0)))
+  )
+    return new Response('{"error":"No inactivity notice with that ID"}', {
+      headers: {
+        "content-type": "application/json",
+      },
+      status: 404,
+    });
+
+  await context.env.DATA.delete(`inactivity_${context.params.id}`);
+  await context.env.D1.prepare("DELETE FROM inactivity_notices WHERE id = ?;")
+    .bind(context.params.id)
+    .run();
+
+  return new Response(null, {
+    status: 204,
+  });
+}