Pantry units and recipes: amounts in pounds, cups and so on, Use some, and Cooked it with a preview of what comes out

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tools/recipes-test.js

@@ -68,6 +68,11 @@ const fake = http.createServer((req, res) => {
       j = await (await get('/plan/pantry?from=2027-05-03&to=2027-05-09')).json(); assert.deepEqual(j.items.map(i => i.text), ['3 cups flour']); assert.equal(j.items[0].have.toLowerCase(), 'flour');
       fs.writeFileSync(pf, JSON.stringify([{ id: 'a1', name: 'Flour', qty: 0, low: 1, codes: [] }])); assert.deepEqual((await (await get('/plan/pantry?from=2027-05-03&to=2027-05-09')).json()).items, [], 'an empty one is not "had"');
       fs.writeFileSync(pf, '[]'); assert.deepEqual((await (await get('/plan/pantry?from=2027-05-03&to=2027-05-09')).json()).items, [], 'an empty pantry flags nothing');
+      // what cooking a recipe would take out of the pantry (shown first; nothing changes until it is confirmed in the pantry)
+      fs.writeFileSync(pf, JSON.stringify([{ id: 'fl', name: 'Flour', qty: 10, unit: 'lb', low: 2, codes: [] }, { id: 'bu', name: 'Butter', qty: 1, unit: 'lb', low: null, codes: [] }, { id: 'ca', name: 'Cocoa', qty: null, unit: '', low: null, codes: [] }]));
+      j = await (await get('/cook-plan?slug=bread')).json(); assert.equal(j.name, 'Bread'); assert.deepEqual(j.rows.map(r => [r.item.name, r.ok]), [['Flour', true], ['Butter', true]], 'the glaze heading and anything not in the pantry are left out');
+      assert.ok(Math.abs(j.rows[0].take - 3 * 120 / 453.592) < 0.01, '3 cups of flour in pounds'); assert.equal(j.rows[0].unit, 'lb'); assert.match(j.rows[0].takeLabel, /^(12|13) oz$/); assert.ok(Math.abs(j.rows[1].take - 0.0326) < 0.002, '1 tbsp of butter in pounds (Mealie gave it already split up)');
+      j = await (await get('/cook-plan?slug=bread&scale=2')).json(); assert.ok(Math.abs(j.rows[0].take - 6 * 120 / 453.592) < 0.01, 'doubled'); assert.equal((await get('/cook-plan?slug=..%2Fx')).status, 400);
       // a wrong token is explained
       process.env.MEALIE_TOKEN = 'bad'; r = await get('/'); assert.equal(r.status, 502); assert.match((await r.json()).error, /token/);
       process.env.MEALIE_TOKEN = ''; assert.equal((await get('/')).status, 503);