feat(ingest): extract stated yield descriptions and servings count across recipes

scripts/ingest-docling-book.mjs

@@ -506,16 +506,36 @@ export function parseDoclingBook(doclingJson, targetPages = null) {
         textSources.push(...nextPage.texts);
       }
 
+const WORD_TO_NUMBER = {
+  "one": 1, "two": 2, "three": 3, "four": 4, "five": 5, "six": 6, "seven": 7, "eight": 8, "nine": 9, "ten": 10, "dozen": 12, "half": 0.5
+};
+
+function parseYieldServings(yieldText) {
+  if (!yieldText) return null;
+  const s = yieldText.replace(/^yields?:\s*/i, "").trim().toLowerCase();
+  const digitMatch = s.match(/^(\d+)/);
+  if (digitMatch) return parseInt(digitMatch[1], 10);
+  const wordMatch = s.match(/^(one|two|three|four|five|six|seven|eight|nine|ten|dozen|half)/);
+  if (wordMatch && WORD_TO_NUMBER[wordMatch[1]]) return WORD_TO_NUMBER[wordMatch[1]];
+  return null;
+}
+
       const steps = [];
       let currentSectionPrefix = "";
       let inProcedure = false;
       let inChefNotes = false;
+      let yieldDescription = null;
       const chefNotesList = [];
       const narrativeTexts = [];
 
       for (const textNode of textSources) {
         const text = textNode.text.trim();
         
+        if (/^yields?:\s*/i.test(text)) {
+          yieldDescription = text;
+          continue;
+        }
+
         // Match procedure section headers like "Dough Packet Procedure:", "Assembly Procedure:", "Procedure:"
         if (/procedure:?$/i.test(text)) {
           inProcedure = true;
@@ -552,27 +572,38 @@ export function parseDoclingBook(doclingJson, targetPages = null) {
 
       const sumWeight = allItems.reduce((s, i) => s + (i.unit_id === "gram" ? i.quantity : 0), 0);
       const yieldQuantity = totalYieldGrams || (sumWeight > 0 ? sumWeight : 1000);
+      const yieldServings = parseYieldServings(yieldDescription);
+
+      const allNotes = [...chefNotesList];
+      if (yieldDescription) {
+        allNotes.unshift(yieldDescription);
+      }
+
+      const summary = narrativeTexts.length > 0
+        ? (yieldDescription ? `${yieldDescription}. ${narrativeTexts.join(" ")}` : narrativeTexts.join(" "))
+        : yieldDescription || null;
 
       recipes.push({
         id: slugId,
         title,
         page_no: pageNo,
         chapter: chapterInfo.name,
-        summary: narrativeTexts.length > 0 ? narrativeTexts.join(" ") : null,
+        summary,
         categories: [chapterInfo.category],
         tags: ["pastry_chefs_little_black_book", chapterInfo.category, "classic"],
         yield_quantity: Math.round(yieldQuantity * 100) / 100,
         yield_unit_id: "gram",
-        yield_servings: null,
+        yield_servings: yieldServings,
         yield_basis: "theoretical",
         yield: {
           quantity: Math.round(yieldQuantity * 100) / 100,
           unit_id: "gram",
+          servings: yieldServings,
           basis: "theoretical",
         },
         components: formattedComponents,
         steps: steps.length > 0 ? steps : [{ id: "step_1", order: 1, instruction: "Prepare formulation according to standard pastry method.", equipment_ids: [] }],
-        notes: chefNotesList,
+        notes: allNotes,
         shelf_life: parseShelfLife(chefNotesList),
       });
     }