.

packages/devices/attendance/core/strategies/intervals/cross-day.mjs

@@ -0,0 +1,29 @@
+// cross-day.mjs
+// Pares ordenados para jornadas que pueden cruzar medianoche.
+// rows: [{ doc, name, isoDate, dt_ms, ... }, ...]
+export function buildIntervalsCrossDay(rows){
+  const byDoc = new Map();
+  rows.forEach(r => {
+    (byDoc.get(r.doc) || byDoc.set(r.doc, []).get(r.doc))
+      .push({ ms: r.dt_ms, date: r.isoDate, name: r.name });
+  });
+
+  const out = [];
+  for (const [doc, arr] of byDoc.entries()){
+    arr.sort((a,b)=>a.ms-b.ms);
+    for (let i=0;i<arr.length;i+=2){
+      const a = arr[i], b = arr[i+1];
+      if (!b){
+        out.push({doc, name:a.name, fecha:a.date, desde_ms:a.ms, hasta_ms:null, durMins:null, obs:'incompleto'});
+        break;
+      }
+      const dur = Math.max(0,(b.ms-a.ms)/60000);
+      out.push({doc, name:a.name, fecha:a.date, desde_ms:a.ms, hasta_ms:b.ms, durMins:dur, obs:''});
+    }
+  }
+
+  out.sort((x,y)=> x.doc.localeCompare(y.doc) ||
+                   x.fecha.localeCompare(y.fecha) ||
+                   (x.desde_ms - y.desde_ms));
+  return out;
+}

packages/devices/attendance/core/strategies/intervals/same-day.mjs

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+// same-day.mjs
+// Agrupa por (doc, fecha) y arma pares 1-2, 3-4, ...
+export function buildIntervals(rows) {
+  const nameByDoc = new Map();
+  const byKey = new Map(); // doc|isoDate -> [ms]
+
+  for (const r of rows) {
+    nameByDoc.set(r.doc, r.name);
+    const key = `${r.doc}|${r.isoDate}`;
+    (byKey.get(key) || byKey.set(key, []).get(key)).push(r.dt_ms);
+  }
+
+  const result = [];
+  for (const [key, arr] of byKey.entries()) {
+    arr.sort((a,b)=>a-b);
+    const [doc, isoDate] = key.split('|');
+    const name = nameByDoc.get(doc) || '';
+    for (let i=0; i<arr.length; i+=2) {
+      const desde = arr[i];
+      const hasta = arr[i+1] ?? null;
+      let durMins = null, obs = '';
+      if (hasta != null) durMins = Math.max(0, (hasta - desde)/60000);
+      else obs = 'incompleto';
+      result.push({ doc, name, isoDate, desde_ms: desde, hasta_ms: hasta, durMins, obs });
+    }
+  }
+
+  result.sort((a,b)=>{
+    if (a.doc !== b.doc) return a.doc.localeCompare(b.doc);
+    if (a.isoDate !== b.isoDate) return a.isoDate.localeCompare(b.isoDate);
+    return (a.desde_ms||0) - (b.desde_ms||0);
+  });
+  return result;
+}

packages/devices/attendance/core/strategies/parsers/LineParserInterface.mjs

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+// LineParserInterface.mjs
+export class LineParserInterface {
+  parseLine(/* line:string */) {
+    throw new Error('parseLine not implemented');
+  }
+}