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pb_migrations/1739999000002_add_estimatedDuration_to_repairOrders.js

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+/// <reference path="../pb_data/types.d.ts" />
+//
+// M2 — Add integer-minutes `estimatedDuration` column to `repairOrders`.
+//
+// Today the duration is stored as `estimatedTime` (a HOURS STRING such as
+// "0.3"), converted back to minutes via Math.round(hours*60) on read. That
+// round-trip is lossy: 15 min → "0.3" → 18 min, drifting the due time every
+// reload. This migration adds a numeric `estimatedDuration` (integer minutes)
+// column and backfills it from `estimatedTime`.
+//
+// The frontend still writes BOTH columns after this migration (for backward
+// compat with older clients), but reads prefer `estimatedDuration` when
+// present. A follow-up cleanup can drop the `estimatedTime` writes once all
+// clients are upgraded.
+//
+migrate(
+  (db) => {
+    const col = db.findCollectionByNameOrId('repairOrders');
+    if (!col) {
+      console.warn('[M2] repairOrders collection not found — skipping');
+      return;
+    }
+
+    if (!col.fields.find((f) => f.name === 'estimatedDuration')) {
+      const field = new NumberField({
+        name: 'estimatedDuration',
+        required: false,
+        min: 0,
+      });
+      col.fields.push(field);
+      db.save(col);
+      console.log('[M2] added estimatedDuration field');
+    }
+
+    const records = Array.from(db.findRecordsByFilter(
+      "repairOrders",
+      "1=1",
+      "id",
+      500
+    ));
+    let backfilled = 0;
+    for (const rec of records) {
+      if (rec.get('estimatedDuration') != null) continue; // don't overwrite
+      const raw = rec.get('estimatedTime');
+      const hours = parseFloat(String(raw || '0')) || 0;
+      rec.set('estimatedDuration', Math.round(hours * 60));
+      db.saveRecord(rec);
+      backfilled++;
+    }
+    console.log(`[M2] backfilled ${backfilled} records`);
+  },
+  (db) => {
+    const col = db.findCollectionByNameOrId('repairOrders');
+    if (!col) return;
+    const idx = col.fields.findIndex((f) => f.name === 'estimatedDuration');
+    if (idx >= 0) {
+      col.fields.splice(idx, 1);
+      db.save(col);
+    }
+  }
+);