45 lines
2.3 KiB
TypeScript
45 lines
2.3 KiB
TypeScript
// Local dev server for the AI package until Phase 2 wires feature factories into apps/server.
|
|
// STC_PORT=3464 STC_DATA_DIR=/tmp/stc-ai-data STC_COURSE_DIRS=./fixtures/courses:./overlays bun packages/feature-ai/scripts/dev.ts
|
|
// STC_AI_DEV_USER=owner|learner|none picks the signed-in user (dev only). STC_AI_DEV_FAKE=1 uses a canned provider.
|
|
import type { AiProvider, AuthService, ServerContext } from "@stc/contracts";
|
|
import { createApp, createJobQueue, loadConfig } from "@stc/core";
|
|
import { createCourseRepository } from "@stc/course-format";
|
|
import { connect, migrate } from "@stc/db";
|
|
import indexHtml from "../../../apps/web/index.html";
|
|
import { aiFeature } from "../src/feature";
|
|
|
|
const config = loadConfig();
|
|
const who = process.env.STC_AI_DEV_USER ?? "owner";
|
|
const auth: AuthService = {
|
|
userFromRequest: async () =>
|
|
who === "none" ? null : { id: `dev-${who}`, email: `${who}@localhost`, name: who, roles: who === "owner" ? ["owner"] : ["learner"], groups: [] },
|
|
};
|
|
|
|
const fake: AiProvider = {
|
|
id: "fake",
|
|
async *chat(messages) {
|
|
const sys = messages[0]?.content ?? "";
|
|
const mentor = sys.includes("## Course mentor rules");
|
|
const answer = mentor
|
|
? "Before I explain: what does the failing test give as input, and what did you expect `add` to return?\n\nThe lesson's nudge asks **which operator combines two numbers**. Try it, run the tests, and tell me what happens. [lessons/04-exercise.md · Adding numbers]"
|
|
: "Here is the whole answer.\n\n```js\nexport const add = (a, b) => a + b\n```\n\nIt returns the sum of its arguments. [lessons/04-exercise.md · Adding numbers]";
|
|
for (const part of answer.match(/.{1,12}/gs) ?? []) { await Bun.sleep(5); yield { text: part }; }
|
|
},
|
|
};
|
|
|
|
const db = await connect(config.databaseUrl);
|
|
await migrate(db);
|
|
const courses = await createCourseRepository(config.courseDirs);
|
|
const ctx = { config, db, courses, auth } as ServerContext;
|
|
const feature = aiFeature(ctx, process.env.STC_AI_DEV_FAKE ? { providerFactory: () => fake } : {});
|
|
const jobs = createJobQueue(db, feature.jobs ?? {});
|
|
ctx.jobs = jobs;
|
|
const app = createApp(ctx, [feature]);
|
|
jobs.start();
|
|
const server = Bun.serve({
|
|
port: config.port,
|
|
routes: { ...app.routes, "/api/*": (req) => app.fetch(req), "/*": indexHtml },
|
|
fetch: (req) => app.fetch(req),
|
|
});
|
|
console.log(`STCourses (AI dev) on ${server.url} as ${who}`);
|