update ai insight migration for all page

utils/__tests__/insightScopeAggregate.test.ts

@@ -0,0 +1,80 @@
+import { describe, it, expect } from 'vitest';
+import { scopeScalarsToTimeframe, UNAVAILABLE } from '../insightScope.ts';
+
+/**
+ * Real shape of the FCR page's 7-day history for this cycle: the IoT scale
+ * stopped reporting at day 38 and has written 0 ever since, and the flock was
+ * fully harvested on day 48 so `ayam` ends at 0 too.
+ */
+const ROWS = [
+  { day: 42, fcr: 1.8, pakan: 1064, bobot_kg: 0, ayam: 1424 },
+  { day: 44, fcr: 1.81, pakan: 1067, bobot_kg: 0, ayam: 1314 },
+  { day: 46, fcr: 1.82, pakan: 1072, bobot_kg: 0, ayam: 1253 },
+  { day: 47, fcr: 1.78, pakan: 1073, bobot_kg: 1.38, ayam: 822 },
+  { day: 48, fcr: 1.7, pakan: 1073, bobot_kg: 0, ayam: 0 },
+];
+
+const spec = (agg: 'last' | 'lastValid') => ({
+  historyKey: 'tren',
+  derive: {
+    bobot_kg_out: { field: 'bobot_kg', agg },
+    ayam_out: { field: 'ayam', agg },
+  },
+});
+
+describe('lastValid aggregation', () => {
+  it('last takes the trailing zero — the reported bug', () => {
+    const out = scopeScalarsToTimeframe({ tren: ROWS }, 'mingguan', spec('last'));
+    expect(out.bobot_kg_out).toBe(0);
+    expect(out.ayam_out).toBe(0);
+  });
+
+  it('lastValid walks back past the zeros', () => {
+    const out = scopeScalarsToTimeframe({ tren: ROWS }, 'mingguan', spec('lastValid'));
+    expect(out.bobot_kg_out).toBe(1.38);
+    expect(out.ayam_out).toBe(822);
+  });
+
+  it('reports unavailable when every reading in the window is zero', () => {
+    const allZero = [
+      { day: 47, bobot_kg: 0, ayam: 0 },
+      { day: 48, bobot_kg: 0, ayam: 0 },
+    ];
+    const out = scopeScalarsToTimeframe({ tren: allZero }, 'mingguan', spec('lastValid'));
+    expect(out.bobot_kg_out).toBe(UNAVAILABLE);
+    expect(out.ayam_out).toBe(UNAVAILABLE);
+  });
+
+  it('leaves a genuine non-zero final reading alone', () => {
+    const rows = [
+      { day: 47, bobot_kg: 1.3, ayam: 900 },
+      { day: 48, bobot_kg: 1.45, ayam: 850 },
+    ];
+    const out = scopeScalarsToTimeframe({ tren: rows }, 'mingguan', spec('lastValid'));
+    expect(out.bobot_kg_out).toBe(1.45);
+    expect(out.ayam_out).toBe(850);
+  });
+});
+
+describe('harian periode label starts at day 0', () => {
+  it('labels cumulative window as hari ke-0 s/d ke-N even if first row is day 2', () => {
+    const rows = [
+      { day: 2, fcr: 1.1 },
+      { day: 5, fcr: 1.2 },
+      { day: 8, fcr: 1.3 },
+    ];
+    const out = scopeScalarsToTimeframe(
+      { tren: rows, fcr_terakhir: 1.3 },
+      'harian',
+      {
+        historyKey: 'tren',
+        derive: {
+          fcr_out: { field: 'fcr', agg: 'lastValid', replaces: 'fcr_terakhir' },
+        },
+      },
+      8
+    );
+    expect(out.periode).toBe('hari ke-0 s/d ke-8');
+    expect(out.fcr_out).toBe(1.3);
+  });
+});