feat(api): add versioned REST API with OpenAPI 3.1 spec

Expose /api/v1/* for feed and email management (feeds CRUD, email
list/get/delete, stats) so the service can be automated without scraping
the admin UI. Built on @hono/zod-openapi; the OpenAPI 3.1 spec is served at
/api/openapi.json with a Scalar reference at /api/docs.

Auth is token-based (Authorization: Bearer <ADMIN_PASSWORD>) plus the
existing reverse-proxy headers — no cookie, no CSRF. Extracted the auth
primitives into src/lib/auth.ts and the feed create/update/delete
orchestration into src/lib/feed-service.ts so the admin UI and the REST API
share a single source of truth.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Julien Herr
2026-05-23 23:01:15 +02:00
parent 7f5b913576
commit 45d2a14a12
14 changed files with 1398 additions and 234 deletions
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import { describe, it, expect, beforeEach } from "vitest";
import { Hono } from "hono";
import { apiApp } from "./index";
import { createMockEnv } from "../../test/setup";
import { Env } from "../../types";
const PASSWORD = "test-password";
const authHeaders = { Authorization: `Bearer ${PASSWORD}` };
describe("REST API (/api/v1)", () => {
let testApp: Hono;
let mockEnv: Env;
let request: (path: string, init?: RequestInit) => Promise<Response>;
beforeEach(() => {
mockEnv = createMockEnv() as unknown as Env;
testApp = new Hono();
testApp.route("/api", apiApp);
request = (path, init = {}) =>
Promise.resolve(testApp.request(path, init, mockEnv));
});
async function createFeed(title = "Test Feed"): Promise<string> {
const res = await request("/api/v1/feeds", {
method: "POST",
headers: { ...authHeaders, "Content-Type": "application/json" },
body: JSON.stringify({ title }),
});
expect(res.status).toBe(201);
const body = (await res.json()) as { id: string };
return body.id;
}
describe("Authentication", () => {
it("rejects requests without a token", async () => {
const res = await request("/api/v1/feeds");
expect(res.status).toBe(401);
expect((await res.json()) as { error: string }).toEqual({
error: "Unauthorized",
});
});
it("rejects requests with a wrong token", async () => {
const res = await request("/api/v1/feeds", {
headers: { Authorization: "Bearer nope" },
});
expect(res.status).toBe(401);
});
it("accepts a valid Bearer token", async () => {
const res = await request("/api/v1/feeds", { headers: authHeaders });
expect(res.status).toBe(200);
});
it("accepts proxy auth headers", async () => {
const proxyApp = new Hono();
proxyApp.route("/api", apiApp);
const proxyEnv = {
...createMockEnv(),
PROXY_TRUSTED_IPS: "10.0.0.1",
PROXY_AUTH_SECRET: "proxy-secret",
} as unknown as Env;
const res = await proxyApp.request(
"/api/v1/feeds",
{
headers: {
"CF-Connecting-IP": "10.0.0.1",
"X-Auth-Proxy-Secret": "proxy-secret",
"Remote-User": "alice",
},
},
proxyEnv,
);
expect(res.status).toBe(200);
});
});
describe("Feeds CRUD", () => {
it("creates, reads, lists, updates and deletes a feed", async () => {
// Create
const createRes = await request("/api/v1/feeds", {
method: "POST",
headers: { ...authHeaders, "Content-Type": "application/json" },
body: JSON.stringify({
title: "Daily Digest",
description: "news",
allowedSenders: ["News@Example.com"],
}),
});
expect(createRes.status).toBe(201);
const created = (await createRes.json()) as {
id: string;
title: string;
allowedSenders: string[];
emailAddress: string;
rssUrl: string;
atomUrl: string;
emailCount: number;
};
expect(created.title).toBe("Daily Digest");
// senders are normalized to lowercase
expect(created.allowedSenders).toEqual(["news@example.com"]);
expect(created.emailCount).toBe(0);
expect(created.rssUrl).toContain(`/rss/${created.id}`);
// Get
const getRes = await request(`/api/v1/feeds/${created.id}`, {
headers: authHeaders,
});
expect(getRes.status).toBe(200);
expect((await getRes.json()) as { id: string }).toMatchObject({
id: created.id,
title: "Daily Digest",
});
// List
const listRes = await request("/api/v1/feeds", { headers: authHeaders });
const list = (await listRes.json()) as { feeds: { id: string }[] };
expect(list.feeds.map((f) => f.id)).toContain(created.id);
// Update
const patchRes = await request(`/api/v1/feeds/${created.id}`, {
method: "PATCH",
headers: { ...authHeaders, "Content-Type": "application/json" },
body: JSON.stringify({ title: "Renamed" }),
});
expect(patchRes.status).toBe(200);
expect((await patchRes.json()) as { title: string }).toMatchObject({
title: "Renamed",
});
// Delete
const delRes = await request(`/api/v1/feeds/${created.id}`, {
method: "DELETE",
headers: authHeaders,
});
expect(delRes.status).toBe(200);
expect((await delRes.json()) as { ok: boolean }).toEqual({ ok: true });
// Gone from the list
const after = await request("/api/v1/feeds", { headers: authHeaders });
const afterList = (await after.json()) as { feeds: { id: string }[] };
expect(afterList.feeds.map((f) => f.id)).not.toContain(created.id);
});
it("returns 400 for an invalid create body", async () => {
const res = await request("/api/v1/feeds", {
method: "POST",
headers: { ...authHeaders, "Content-Type": "application/json" },
body: JSON.stringify({ title: "" }),
});
expect(res.status).toBe(400);
expect((await res.json()) as { error: string }).toHaveProperty("error");
});
it("returns 404 when getting a missing feed", async () => {
const res = await request("/api/v1/feeds/does-not-exist", {
headers: authHeaders,
});
expect(res.status).toBe(404);
});
it("returns 404 when deleting a missing feed", async () => {
const res = await request("/api/v1/feeds/does-not-exist", {
method: "DELETE",
headers: authHeaders,
});
expect(res.status).toBe(404);
});
it("returns 404 when updating a missing feed", async () => {
const res = await request("/api/v1/feeds/does-not-exist", {
method: "PATCH",
headers: { ...authHeaders, "Content-Type": "application/json" },
body: JSON.stringify({ title: "x" }),
});
expect(res.status).toBe(404);
});
});
describe("Emails", () => {
it("lists, reads and deletes an email", async () => {
const feedId = await createFeed();
// Seed an email directly into KV (mirrors storeEmail's key shape).
const receivedAt = 1737000000000;
const key = `feed:${feedId}:email:${receivedAt}`;
await mockEnv.EMAIL_STORAGE.put(
key,
JSON.stringify({
subject: "Hello",
from: "news@example.com",
content: "<p>hi</p>",
receivedAt,
headers: {},
}),
);
await mockEnv.EMAIL_STORAGE.put(
`feed:${feedId}:metadata`,
JSON.stringify({
emails: [{ key, subject: "Hello", receivedAt }],
}),
);
// List
const listRes = await request(`/api/v1/feeds/${feedId}/emails`, {
headers: authHeaders,
});
expect(listRes.status).toBe(200);
const list = (await listRes.json()) as {
emails: { entryId: number; subject: string }[];
};
expect(list.emails).toHaveLength(1);
expect(list.emails[0]).toMatchObject({
entryId: receivedAt,
subject: "Hello",
});
// Get single
const getRes = await request(
`/api/v1/feeds/${feedId}/emails/${receivedAt}`,
{ headers: authHeaders },
);
expect(getRes.status).toBe(200);
expect((await getRes.json()) as { content: string }).toMatchObject({
from: "news@example.com",
content: "<p>hi</p>",
});
// Delete
const delRes = await request(
`/api/v1/feeds/${feedId}/emails/${receivedAt}`,
{ method: "DELETE", headers: authHeaders },
);
expect(delRes.status).toBe(200);
expect(await mockEnv.EMAIL_STORAGE.get(key)).toBeNull();
// Gone
const after = await request(
`/api/v1/feeds/${feedId}/emails/${receivedAt}`,
{ headers: authHeaders },
);
expect(after.status).toBe(404);
});
it("returns 404 listing emails for a missing feed", async () => {
const res = await request("/api/v1/feeds/missing/emails", {
headers: authHeaders,
});
expect(res.status).toBe(404);
});
});
describe("Stats", () => {
it("returns monitoring counters", async () => {
await createFeed();
const res = await request("/api/v1/stats", { headers: authHeaders });
expect(res.status).toBe(200);
const stats = (await res.json()) as {
feeds_created: number;
active_feeds: number;
attachments_enabled: boolean;
};
expect(stats.feeds_created).toBeGreaterThanOrEqual(1);
expect(stats.active_feeds).toBeGreaterThanOrEqual(1);
expect(typeof stats.attachments_enabled).toBe("boolean");
});
});
describe("OpenAPI document", () => {
it("serves a public OpenAPI 3.1 spec", async () => {
const res = await request("/api/openapi.json");
expect(res.status).toBe(200);
const doc = (await res.json()) as {
openapi: string;
paths: Record<string, unknown>;
};
expect(doc.openapi).toBe("3.1.0");
expect(doc.paths).toHaveProperty("/v1/feeds");
expect(doc.paths).toHaveProperty("/v1/feeds/{feedId}");
expect(doc.paths).toHaveProperty("/v1/stats");
});
});
});
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import { OpenAPIHono, createRoute, z } from "@hono/zod-openapi";
import { Scalar } from "@scalar/hono-api-reference";
import { Env, FeedConfig } from "../../types";
import { apiAuthMiddleware } from "../../lib/auth";
import {
createFeedRecord,
updateFeedRecord,
deleteFeedRecord,
} from "../../lib/feed-service";
import { listAllFeeds, deleteAttachmentsForEmails } from "../admin/helpers";
import {
getFeedConfig,
getFeedMetadata,
getEmailData,
} from "../../utils/storage";
import { getStats } from "../../utils/stats";
import { feedEmailAddress, feedRssUrl, feedAtomUrl } from "../../utils/urls";
import {
ErrorSchema,
FeedIdParam,
EntryIdParam,
FeedCreateSchema,
FeedUpdateSchema,
FeedSchema,
FeedListSchema,
EmailListSchema,
EmailSchema,
StatsSchema,
} from "./schemas";
type AppEnv = { Bindings: Env };
const OkSchema = z.object({ ok: z.boolean() }).openapi("Ok");
const jsonContent = <T>(schema: T, description: string) => ({
content: { "application/json": { schema } },
description,
});
const bearer = [{ bearerAuth: [] }];
function normalizeSenders(senders?: string[]): string[] | undefined {
return senders?.map((s) => s.trim().toLowerCase()).filter(Boolean);
}
function toFeed(
id: string,
config: FeedConfig,
emailCount: number,
env: Env,
): z.infer<typeof FeedSchema> {
return {
id,
title: config.title,
description: config.description,
language: config.language,
allowedSenders: config.allowed_senders ?? [],
blockedSenders: config.blocked_senders ?? [],
createdAt: config.created_at,
updatedAt: config.updated_at,
expiresAt: config.expires_at,
emailCount,
emailAddress: feedEmailAddress(id, env),
rssUrl: feedRssUrl(id, env),
atomUrl: feedAtomUrl(id, env),
};
}
export const apiApp = new OpenAPIHono<AppEnv>({
defaultHook: (result, c) => {
if (!result.success) {
const message = result.error.issues
.map((i) => `${i.path.join(".")}: ${i.message}`)
.join("; ");
return c.json({ error: `Validation failed: ${message}` }, 400);
}
},
});
// Token auth on every /v1 route. The spec + docs stay public.
apiApp.use("/v1/*", apiAuthMiddleware);
apiApp.openAPIRegistry.registerComponent("securitySchemes", "bearerAuth", {
type: "http",
scheme: "bearer",
description: "Use the admin password as the bearer token.",
});
// ── Feeds ─────────────────────────────────────────────────────────────────────
apiApp.openapi(
createRoute({
method: "get",
path: "/v1/feeds",
tags: ["Feeds"],
summary: "List all feeds",
security: bearer,
responses: {
200: jsonContent(FeedListSchema, "The list of feeds"),
401: jsonContent(ErrorSchema, "Unauthorized"),
},
}),
async (c) => {
const env = c.env;
const feeds = await listAllFeeds(env.EMAIL_STORAGE);
return c.json(
{
feeds: feeds.map((f) => ({
id: f.id,
title: f.title,
description: f.description,
expiresAt: f.expires_at,
emailAddress: feedEmailAddress(f.id, env),
rssUrl: feedRssUrl(f.id, env),
atomUrl: feedAtomUrl(f.id, env),
})),
},
200,
);
},
);
apiApp.openapi(
createRoute({
method: "post",
path: "/v1/feeds",
tags: ["Feeds"],
summary: "Create a feed",
security: bearer,
request: {
body: { content: { "application/json": { schema: FeedCreateSchema } } },
},
responses: {
201: jsonContent(FeedSchema, "The created feed"),
400: jsonContent(ErrorSchema, "Invalid request body"),
401: jsonContent(ErrorSchema, "Unauthorized"),
},
}),
async (c) => {
const env = c.env;
const body = c.req.valid("json");
const { feedId, config } = await createFeedRecord(env, {
title: body.title,
description: body.description,
language: body.language,
allowedSenders: normalizeSenders(body.allowedSenders) ?? [],
blockedSenders: normalizeSenders(body.blockedSenders) ?? [],
lifetimeHours: body.lifetimeHours,
});
return c.json(toFeed(feedId, config, 0, env), 201);
},
);
apiApp.openapi(
createRoute({
method: "get",
path: "/v1/feeds/{feedId}",
tags: ["Feeds"],
summary: "Get a feed",
security: bearer,
request: { params: FeedIdParam },
responses: {
200: jsonContent(FeedSchema, "The feed"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Feed not found"),
},
}),
async (c) => {
const env = c.env;
const { feedId } = c.req.valid("param");
const config = await getFeedConfig(env.EMAIL_STORAGE, feedId);
if (!config) return c.json({ error: "Feed not found" }, 404);
const metadata = await getFeedMetadata(env.EMAIL_STORAGE, feedId);
return c.json(
toFeed(feedId, config, metadata?.emails.length ?? 0, env),
200,
);
},
);
apiApp.openapi(
createRoute({
method: "patch",
path: "/v1/feeds/{feedId}",
tags: ["Feeds"],
summary: "Update a feed",
security: bearer,
request: {
params: FeedIdParam,
body: { content: { "application/json": { schema: FeedUpdateSchema } } },
},
responses: {
200: jsonContent(FeedSchema, "The updated feed"),
400: jsonContent(ErrorSchema, "Invalid request body"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Feed not found"),
409: jsonContent(ErrorSchema, "Feed has expired"),
},
}),
async (c) => {
const env = c.env;
const { feedId } = c.req.valid("param");
const body = c.req.valid("json");
const result = await updateFeedRecord(env, feedId, {
title: body.title,
description: body.description,
language: body.language,
allowedSenders: normalizeSenders(body.allowedSenders),
blockedSenders: normalizeSenders(body.blockedSenders),
lifetimeHours: body.lifetimeHours,
});
if (result.status === "not_found")
return c.json({ error: "Feed not found" }, 404);
if (result.status === "expired")
return c.json({ error: "Feed has expired and cannot be modified" }, 409);
const metadata = await getFeedMetadata(env.EMAIL_STORAGE, feedId);
return c.json(
toFeed(feedId, result.config, metadata?.emails.length ?? 0, env),
200,
);
},
);
apiApp.openapi(
createRoute({
method: "delete",
path: "/v1/feeds/{feedId}",
tags: ["Feeds"],
summary: "Delete a feed",
security: bearer,
request: { params: FeedIdParam },
responses: {
200: jsonContent(OkSchema, "The feed was deleted"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Feed not found"),
},
}),
async (c) => {
const env = c.env;
const { feedId } = c.req.valid("param");
const removed = await deleteFeedRecord(c, env, feedId);
if (!removed) return c.json({ error: "Feed not found" }, 404);
return c.json({ ok: true }, 200);
},
);
// ── Emails ──────────────────────────────────────────────────────────────────
apiApp.openapi(
createRoute({
method: "get",
path: "/v1/feeds/{feedId}/emails",
tags: ["Emails"],
summary: "List a feed's emails",
security: bearer,
request: { params: FeedIdParam },
responses: {
200: jsonContent(EmailListSchema, "The feed's emails"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Feed not found"),
},
}),
async (c) => {
const env = c.env;
const { feedId } = c.req.valid("param");
const metadata = await getFeedMetadata(env.EMAIL_STORAGE, feedId);
if (!metadata) return c.json({ error: "Feed not found" }, 404);
return c.json(
{
emails: metadata.emails.map((e) => ({
entryId: e.receivedAt,
subject: e.subject,
receivedAt: e.receivedAt,
size: e.size,
attachmentIds: e.attachmentIds,
})),
},
200,
);
},
);
apiApp.openapi(
createRoute({
method: "get",
path: "/v1/feeds/{feedId}/emails/{entryId}",
tags: ["Emails"],
summary: "Get a single email",
security: bearer,
request: { params: EntryIdParam },
responses: {
200: jsonContent(EmailSchema, "The email"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Email not found"),
},
}),
async (c) => {
const env = c.env;
const { feedId, entryId } = c.req.valid("param");
const receivedAt = parseInt(entryId, 10);
const metadata = await getFeedMetadata(env.EMAIL_STORAGE, feedId);
const metaEntry = metadata?.emails.find((e) => e.receivedAt === receivedAt);
if (!metaEntry) return c.json({ error: "Email not found" }, 404);
const data = await getEmailData(env.EMAIL_STORAGE, metaEntry.key);
if (!data) return c.json({ error: "Email not found" }, 404);
return c.json(
{
entryId: receivedAt,
subject: data.subject,
from: data.from,
receivedAt: data.receivedAt,
content: data.content,
attachments: (data.attachments ?? []).map((a) => ({
id: a.id,
filename: a.filename,
contentType: a.contentType,
size: a.size,
url: `/files/${a.id}/${encodeURIComponent(a.filename)}`,
})),
},
200,
);
},
);
apiApp.openapi(
createRoute({
method: "delete",
path: "/v1/feeds/{feedId}/emails/{entryId}",
tags: ["Emails"],
summary: "Delete a single email",
security: bearer,
request: { params: EntryIdParam },
responses: {
200: jsonContent(OkSchema, "The email was deleted"),
401: jsonContent(ErrorSchema, "Unauthorized"),
404: jsonContent(ErrorSchema, "Email not found"),
},
}),
async (c) => {
const env = c.env;
const emailStorage = env.EMAIL_STORAGE;
const { feedId, entryId } = c.req.valid("param");
const receivedAt = parseInt(entryId, 10);
const metadata = await getFeedMetadata(emailStorage, feedId);
const metaEntry = metadata?.emails.find((e) => e.receivedAt === receivedAt);
if (!metadata || !metaEntry)
return c.json({ error: "Email not found" }, 404);
await emailStorage.delete(metaEntry.key);
await deleteAttachmentsForEmails(env, metadata.emails, [metaEntry.key]);
metadata.emails = metadata.emails.filter((e) => e.key !== metaEntry.key);
await emailStorage.put(`feed:${feedId}:metadata`, JSON.stringify(metadata));
return c.json({ ok: true }, 200);
},
);
// ── Stats ─────────────────────────────────────────────────────────────────────
apiApp.openapi(
createRoute({
method: "get",
path: "/v1/stats",
tags: ["Stats"],
summary: "Read monitoring counters",
security: bearer,
responses: {
200: jsonContent(StatsSchema, "Monitoring counters"),
401: jsonContent(ErrorSchema, "Unauthorized"),
},
}),
async (c) => {
return c.json(await getStats(c.env), 200);
},
);
// ── OpenAPI document + docs (public) ───────────────────────────────────────────
apiApp.doc31("/openapi.json", {
openapi: "3.1.0",
info: {
title: "kill-the-news API",
version: "1.0.0",
description:
"REST API for managing email-to-RSS feeds, their emails, and monitoring counters.",
},
servers: [{ url: "/api" }],
});
apiApp.get(
"/docs",
Scalar({
url: "/api/openapi.json",
pageTitle: "kill-the-news API",
}),
);
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import { z } from "@hono/zod-openapi";
// ── Shared ──────────────────────────────────────────────────────────────────
export const ErrorSchema = z
.object({
error: z.string().openapi({ example: "Feed not found" }),
})
.openapi("Error");
export const FeedIdParam = z.object({
feedId: z
.string()
.min(1)
.openapi({
param: { name: "feedId", in: "path" },
example: "happy-otter-1234",
}),
});
export const EntryIdParam = FeedIdParam.extend({
entryId: z
.string()
.regex(/^\d+$/, "entryId must be the email's receivedAt timestamp")
.openapi({
param: { name: "entryId", in: "path" },
example: "1737000000000",
}),
});
// ── Feeds ───────────────────────────────────────────────────────────────────
export const FeedCreateSchema = z
.object({
title: z.string().min(1).openapi({ example: "Daily Tech Digest" }),
description: z.string().optional(),
language: z.string().optional().default("en"),
allowedSenders: z.array(z.string()).optional().default([]),
blockedSenders: z.array(z.string()).optional().default([]),
lifetimeHours: z.number().int().positive().optional().openapi({
description:
"Hours until the feed expires. Ignored when the server enforces a fixed FEED_TTL_HOURS.",
}),
})
.openapi("FeedCreate");
export const FeedUpdateSchema = z
.object({
title: z.string().min(1).optional(),
description: z.string().optional(),
language: z.string().optional(),
allowedSenders: z.array(z.string()).optional(),
blockedSenders: z.array(z.string()).optional(),
lifetimeHours: z.number().int().positive().optional().openapi({
description: "Reset the feed's lifetime to this many hours from now.",
}),
})
.openapi("FeedUpdate");
export const FeedSummarySchema = z
.object({
id: z.string(),
title: z.string(),
description: z.string().optional(),
expiresAt: z.number().optional(),
emailAddress: z.string(),
rssUrl: z.string(),
atomUrl: z.string(),
})
.openapi("FeedSummary");
export const FeedListSchema = z
.object({ feeds: z.array(FeedSummarySchema) })
.openapi("FeedList");
export const FeedSchema = z
.object({
id: z.string(),
title: z.string(),
description: z.string().optional(),
language: z.string(),
allowedSenders: z.array(z.string()),
blockedSenders: z.array(z.string()),
createdAt: z.number(),
updatedAt: z.number().optional(),
expiresAt: z.number().optional(),
emailCount: z.number(),
emailAddress: z.string(),
rssUrl: z.string(),
atomUrl: z.string(),
})
.openapi("Feed");
// ── Emails ──────────────────────────────────────────────────────────────────
export const EmailSummarySchema = z
.object({
entryId: z.number().openapi({
description: "Email receivedAt timestamp; used as the path id.",
}),
subject: z.string(),
receivedAt: z.number(),
size: z.number().optional(),
attachmentIds: z.array(z.string()).optional(),
})
.openapi("EmailSummary");
export const EmailListSchema = z
.object({ emails: z.array(EmailSummarySchema) })
.openapi("EmailList");
export const AttachmentSchema = z
.object({
id: z.string(),
filename: z.string(),
contentType: z.string(),
size: z.number(),
url: z.string(),
})
.openapi("Attachment");
export const EmailSchema = z
.object({
entryId: z.number(),
subject: z.string(),
from: z.string(),
receivedAt: z.number(),
content: z.string(),
attachments: z.array(AttachmentSchema),
})
.openapi("Email");
// ── Stats ───────────────────────────────────────────────────────────────────
export const StatsSchema = z
.object({
feeds_created: z.number(),
feeds_deleted: z.number(),
emails_received: z.number(),
emails_rejected: z.number(),
unsubscribes_sent: z.number(),
active_feeds: z.number(),
websub_subscriptions_active: z.number(),
attachments_enabled: z.boolean(),
last_email_at: z.string().optional(),
last_feed_created_at: z.string().optional(),
first_seen: z.string().optional(),
attachments_bytes: z.number().optional(),
attachments_count: z.number().optional(),
kv_bytes_estimated: z.number().optional(),
storage_scanned_at: z.string().optional(),
})
.openapi("Stats");