Lucas WintherandClaude Opus 5.5
d34a5c1f0c
New packages/feature-ai/migrations/0001_ai_message_citations.sql adds ai_messages.citations_json and folds v1 'sources' rows into the assistant row before them. The feature writes and reads the column directly. Co-Authored-By: Claude Opus 5.5 <[email protected]>
50 lines
2.7 KiB
TypeScript
50 lines
2.7 KiB
TypeScript
// Local dev server for the AI package until Phase 2 wires feature factories into apps/server.
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// STC_PORT=3464 STC_DATA_DIR=/tmp/stc-ai-data STC_COURSE_DIRS=./fixtures/courses:./overlays bun packages/feature-ai/scripts/dev.ts
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// STC_AI_DEV_USER=owner|learner|none picks the signed-in user (dev only). STC_AI_DEV_FAKE=1 uses a canned provider.
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import type { AiProvider, AuthService, ServerContext } from "@stc/contracts";
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import { createApp, createJobQueue, loadConfig } from "@stc/core";
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import { createCourseRepository } from "@stc/course-format";
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import { connect, migrate } from "@stc/db";
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import indexHtml from "../../../apps/web/index.html";
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import { aiFeature } from "../src/feature";
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import { migrationsDirs } from "../src/migrations";
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const config = loadConfig();
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const who = process.env.STC_AI_DEV_USER ?? "owner";
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const auth: AuthService = {
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userFromRequest: async () =>
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who === "none" ? null : { id: `dev-${who}`, email: `${who}@localhost`, name: who, roles: who === "owner" ? ["owner"] : ["learner"], groups: [] },
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};
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const fake: AiProvider = {
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id: "fake",
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async *chat(messages) {
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const sys = messages[0]?.content ?? "";
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if (sys.includes("=== FILE:")) {
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yield { text: "=== FILE: questions/adding-many-numbers.md ===\n# Check your understanding: adding many numbers\n\n1. Predict: what does `sum([])` return?\n2. What would break if `sum` used `a - b`?\n=== END FILE ===\n" };
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return;
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}
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const mentor = sys.includes("## Course mentor rules");
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const answer = mentor
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? "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]"
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: "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]";
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for (const part of answer.match(/.{1,12}/gs) ?? []) { await Bun.sleep(5); yield { text: part }; }
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},
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};
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const db = await connect(config.databaseUrl);
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await migrate(db, { "feature-ai": migrationsDirs });
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const courses = await createCourseRepository(config.courseDirs);
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const ctx = { config, db, courses, auth } as ServerContext;
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const feature = aiFeature(ctx, process.env.STC_AI_DEV_FAKE ? { providerFactory: () => fake } : {});
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const jobs = createJobQueue(db, feature.jobs ?? {});
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ctx.jobs = jobs;
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const app = createApp(ctx, [feature]);
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jobs.start();
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const server = Bun.serve({
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port: config.port,
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routes: { ...app.routes, "/api/*": (req) => app.fetch(req), "/*": indexHtml },
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fetch: (req) => app.fetch(req),
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});
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console.log(`STCourses (AI dev) on ${server.url} as ${who}`);
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