feat: add signed Discord command foundation and daily check-ins

src/discord/test-fixture.ts

@@ -0,0 +1,35 @@
+import { generateKeyPairSync, sign } from 'node:crypto';
+import { eq } from 'drizzle-orm';
+import { fixture } from '../habits/test-fixture';
+import { users } from '../db/schema';
+import { createDiscordRoutes } from './routes';
+import type { Interaction } from './types';
+export function discordFixture() {
+  const f = fixture();
+  const { publicKey, privateKey } = generateKeyPairSync('ed25519');
+  const key = publicKey.export({ format: 'der', type: 'spki' }).subarray(-32).toString('hex');
+  let time = Date.parse('2026-09-04T12:00:00Z'), sequence = 10000000000000000n;
+  const alice = '111111111111111111', bob = '222222222222222222', applicationId = '333333333333333333';
+  f.db.update(users).set({ discordId: alice }).where(eq(users.id, 'alice')).run();
+  f.db.update(users).set({ discordId: bob }).where(eq(users.id, 'bob')).run();
+  const changed: string[] = [];
+  let app = createDiscordRoutes(f.db, { publicKey: key, applicationId, origin: f.origin }, () => time, id => changed.push(id));
+  function payload(data: Partial<Interaction>, guild = false, user = alice): Interaction {
+    const profile = { id: user, username: user === alice ? 'alice' : 'bob' };
+    return { id: String(++sequence), application_id: applicationId, type: 2, ...(guild ? { guild_id: '444444444444444444', member: { user: profile } } : { user: profile }), ...data };
+  }
+  async function request(i: Interaction, headers: Record<string, string> = {}) {
+    const body = JSON.stringify(i), timestamp = String(time / 1000);
+    return app.request('http://localhost/', { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-Signature-Timestamp': timestamp, 'X-Signature-Ed25519': sign(null, Buffer.from(timestamp + body), privateKey).toString('hex'), ...headers }, body });
+  }
+  async function run(data: Partial<Interaction>, guild = false, user = alice): Promise<any> { return (await request(payload(data, guild, user))).json(); }
+  return { ...f, alice, bob, changed, payload, requestDiscord: request, run, restart: () => { app = createDiscordRoutes(f.db, { publicKey: key, applicationId, origin: f.origin }, () => time, id => changed.push(id)); }, setDiscordTime: (value: string) => { time = Date.parse(value); f.setTime(value); } };
+}
+export function control(reply: any, label: string): string {
+  const item = reply.data.components.flatMap((r: any) => r.components ?? []).find((c: any) => c.label === label || c.placeholder === label);
+  if (!item) throw new Error(`Missing control ${label}: ${JSON.stringify(reply)}`);
+  return item.custom_id;
+}
+export function submit(custom_id: string, values: Record<string, string>) {
+  return { type: 5, message: { id: '123' }, data: { custom_id, components: Object.entries(values).map(([custom_id, value]) => ({ type: 1, components: [{ type: 4, custom_id, value }] })) } };
+}