bermudalambandClaude Opus 5
5988f4a545
Pure and separately tested, because this is where the correctness of every draft is decided. Nothing downstream can distinguish an observed detail from an invented one — the description arrives as prose either way — so the instruction is the only place that distinction can be enforced, and the tests assert it is actually present. On a one-of-a-kind item an invented "1930s hand-thrown stoneware" is not a cosmetic error but a false claim on a public shop, and the shop answers for it rather than the model. Visible damage is called out for the same reason in reverse: a buyer finding a chip on arrival is worse than reading about it beforehand. Categories and tags are listed rather than described, so the model chooses from what exists instead of inventing a taxonomy the storefront filters know nothing about, and declining is explicitly allowed so a model with no matching option does not pick the closest wrong one. The note is quoted and labelled as the sender's rather than merged into the instruction: it is untrusted text from an unauthenticated stranger and should read as evidence to weigh, not as something the shop asserts. A whitespace-only note counts as no note. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
72 lines
2.6 KiB
TypeScript
72 lines
2.6 KiB
TypeScript
import { buildSystemPrompt, buildUserContent } from '../../src/intake/draftPrompt';
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describe('buildSystemPrompt', () => {
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const prompt = buildSystemPrompt(['Ceramics', 'Textiles'], ['vintage', 'blue']);
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// The whole reason this function is tested rather than inlined. On a
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// one-of-a-kind item an invented age or maker is a false claim on a
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// storefront, and nothing downstream can tell an invented detail from an
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// observed one.
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it('forbids inventing what is neither visible nor in the note', () => {
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expect(prompt).toMatch(/do not (state|invent)/i);
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expect(prompt).toMatch(/material/i);
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expect(prompt).toMatch(/age/i);
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expect(prompt).toMatch(/maker/i);
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expect(prompt).toMatch(/provenance/i);
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});
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it('offers the categories it may choose from', () => {
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expect(prompt).toContain('Ceramics');
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expect(prompt).toContain('Textiles');
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});
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it('offers the tags it may choose from', () => {
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expect(prompt).toContain('vintage');
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expect(prompt).toContain('blue');
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});
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// Otherwise a model with no matching option picks the closest wrong one.
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it('permits declining a category', () => {
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expect(prompt).toMatch(/null/i);
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});
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it('survives a shop with no categories or tags yet', () => {
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expect(() => buildSystemPrompt([], [])).not.toThrow();
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});
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});
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describe('buildUserContent', () => {
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const photo = { mediaType: 'image/jpeg', base64: 'AAAA' };
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type Block = { type: string; source?: { media_type: string; data: string } };
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it('sends every photo as an image block', () => {
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const images = (buildUserContent([photo, photo], 'a note') as Block[]).filter(
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(block) => block.type === 'image'
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);
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expect(images).toHaveLength(2);
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expect(images[0]?.source?.media_type).toBe('image/jpeg');
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expect(images[0]?.source?.data).toBe('AAAA');
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});
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it('includes the note verbatim', () => {
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const text = JSON.stringify(buildUserContent([photo], 'Chipped base, bought 1998'));
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expect(text).toContain('Chipped base, bought 1998');
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});
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// A submission with no note is ordinary — the field is optional — and the
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// model has to be told so rather than left to read an empty string as a fact
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// about the item.
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it('says so when there is no note', () => {
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const text = JSON.stringify(buildUserContent([photo], null));
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expect(text).toMatch(/no note/i);
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});
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// A whitespace-only note is the same thing as no note. Sending it would let
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// the model treat an accidental space as something the sender meant to say.
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it('treats a blank note as no note', () => {
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const text = JSON.stringify(buildUserContent([photo], ' '));
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expect(text).toMatch(/no note/i);
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});
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});
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