add core features (#14)

Reviewed-on: #14
Co-authored-by: Nicholas Ward <nicholaspward@outlook.com>

scratch/test-fig-bars.mjs

@@ -0,0 +1,51 @@
+import fs from "node:fs";
+
+const doc = JSON.parse(fs.readFileSync("file.json", "utf8"));
+
+function isProcedureHeader(text, label) {
+  if (label !== "section_header") return false;
+  const s = text.trim();
+  if (/^chef's notes?:?$/i.test(s)) return false;
+  if (/^table of contents|foreword|introduction|acknowledgements|how to use/i.test(s)) return false;
+  return /procedure|assembly|variations?|baking|shaping|finishing|glaz|infusion/i.test(s) || s.endsWith(":");
+}
+
+function cleanProcedureHeader(raw) {
+  const t = raw.trim().replace(/^['"]+|['":]+$/g, "").trim();
+  if (/^procedure$/i.test(t)) return "";
+  const cleaned = t.replace(/\s+procedure$/i, "").trim();
+  return cleaned ? `${cleaned}:` : "";
+}
+
+function testPages(pages, title) {
+  const texts = doc.texts.filter(t => pages.includes(t.prov?.[0]?.page_no));
+  console.log(`\nTesting on ${title} (pages ${pages.join("-")}):`);
+
+  let inProcedure = false;
+  const steps = [];
+
+  for (const t of texts) {
+    const text = t.text.trim();
+    if (/^chef's notes?:?$/i.test(text)) {
+      inProcedure = false;
+      continue;
+    }
+    if (isProcedureHeader(text, t.label)) {
+      inProcedure = true;
+      const heading = cleanProcedureHeader(text);
+      if (heading) {
+        steps.push({ id: `step_${steps.length + 1}`, order: steps.length + 1, instruction: heading });
+      }
+      continue;
+    }
+    if (inProcedure && (t.label === "list_item" || t.label === "text") && !/^\d+$/.test(text) && !/^yields?:/i.test(text)) {
+      steps.push({ id: `step_${steps.length + 1}`, order: steps.length + 1, instruction: text });
+    }
+  }
+
+  console.log("Extracted steps count:", steps.length);
+  steps.forEach(s => console.log("  " + (s.instruction.endsWith(":") ? "📂 " : "   • ") + s.instruction));
+}
+
+testPages([312, 313], "Fig Bars");
+testPages([26, 27], "Chocolate Puff Pastry");