feat(labs): PDF upload, text extraction, LLM draft pipeline

server/test/extract.test.ts

@@ -0,0 +1,46 @@
+import { describe, expect, test } from "bun:test";
+import { mkdtempSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { openDb } from "../src/db";
+import { loadOrCreateKey } from "../src/lib/crypto";
+import { extractFromText } from "../src/lib/extract";
+
+const FIXTURE_TEXT = `
+Sample Diagnostics — Final Report
+Collected: 15 Jan 2026
+CHEMISTRY
+Glucose (Fasting)   100  mg/dL   (70-99)  H
+LIPIDS
+LDL Cholesterol     3.1  mmol/L  (<3.4)
+`;
+
+describe("extractFromText", () => {
+  test("passes text to LLM and validates the draft shape", async () => {
+    let userPrompt = "";
+    const mock = (async (_: any, init: any) => {
+      userPrompt = JSON.parse(String(init.body)).messages[1].content;
+      return new Response(JSON.stringify({ choices: [{ message: { content: JSON.stringify({
+        collectedDate: "2026-01-15",
+        labName: "Sample Diagnostics",
+        markers: [
+          { panel: "chemistry", name: "Glucose (Fasting)", value: "100", unit: "mg/dL", referenceRange: "70-99", flagged: true },
+          { panel: "lipids", name: "LDL Cholesterol", value: "3.1", unit: "mmol/L", referenceRange: "<3.4", flagged: false },
+        ],
+      }) } }] }), { status: 200 });
+    }) as typeof fetch;
+
+    const dir = mkdtempSync(join(tmpdir(), "helios-"));
+    const draft = await extractFromText({ db: openDb(dir), key: loadOrCreateKey(dir), fetchImpl: mock }, FIXTURE_TEXT);
+    expect(userPrompt).toContain("Glucose (Fasting)");
+    expect(draft.markers).toHaveLength(2);
+    expect(draft.collectedDate).toBe("2026-01-15");
+    expect(draft.markers[0].flagged).toBe(true);
+  });
+
+  test("malformed LLM output → llm_error, not a crash", async () => {
+    const mock = (async () => new Response(JSON.stringify({ choices: [{ message: { content: '{"markers": "not an array"}' } }] }), { status: 200 })) as unknown as typeof fetch;
+    const dir = mkdtempSync(join(tmpdir(), "helios-"));
+    expect(extractFromText({ db: openDb(dir), key: loadOrCreateKey(dir), fetchImpl: mock }, "x")).rejects.toThrow(/llm_error/);
+  });
+});