Merge pull request 'fix(moderation): windowValue must not fall back to the 30d total on a null column' (#97) from fix/window-value-null-column into main

Reviewed-on: #97
Reviewed-by: Colby Whitlock <whitlocktech@gmail.com>

server/src/model/moderation/moderation.pure.js

@@ -40,7 +40,7 @@ function reshapeWindows(rows) {
 // { d1, d7, d30 } sum row, coercing to a number and tolerating a null row.
 function windowValue(row, key) {
   if (!row) return 0
-  const col = { '24h': row.d1, '7d': row.d7 }[key] ?? row.d30
+  const col = { '24h': row.d1, '7d': row.d7, '30d': row.d30 }[key]
   return Number(col) || 0
 }
 

server/test/moderation.test.js

@@ -87,3 +87,12 @@ test('windowValue: null row (no rows in window) yields 0', () => {
 test('windowValue: null sum column yields 0', () => {
   assert.strictEqual(moderation.windowValue({ d1: null, d7: null, d30: null }, '7d'), 0)
 })
+
+test('windowValue: a null narrow-window column never falls back to the 30d total', () => {
+  // Regression: an earlier rewrite used `{...}[key] ?? row.d30`, so a null d1/d7
+  // returned the 30-day count instead of 0 — inflating the 24h/7d tiles.
+  const row = { d1: null, d7: null, d30: 5 }
+  assert.strictEqual(moderation.windowValue(row, '24h'), 0)
+  assert.strictEqual(moderation.windowValue(row, '7d'), 0)
+  assert.strictEqual(moderation.windowValue(row, '30d'), 5)
+})