Scope manual sync buttons to current view dates only

Sync rota and pull timesheets now operate on the 7-day view window rather
than rolling default windows — reduces API calls and allows backdating.
Cron job still uses rolling defaults via runRotaSync()/runTimesheetSync().

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/lib/syncJobs.js

@@ -5,25 +5,37 @@ function fmtDate(d) {
   return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`
 }
 
-export async function runRotaSync() {
+function defaultRotaWindow() {
+  const today = new Date()
+  const from = new Date(today); from.setDate(from.getDate() - 7)
+  const to   = new Date(today); to.setDate(to.getDate() + 28)
+  return { from: fmtDate(from), to: fmtDate(to) }
+}
+
+function defaultTimesheetWindow() {
+  const today = new Date()
+  const from = new Date(today); from.setDate(from.getDate() - 7)
+  return { from: fmtDate(from), to: fmtDate(today) }
+}
+
+// from/to: 'YYYY-MM-DD' strings — defaults to rolling window if omitted
+export async function runRotaSync(from, to) {
   const deptIds = (await getConfig('workforce_departments', [])) || []
   if (!deptIds.length) throw new Error('No HK departments selected — configure in Category Settings')
 
-  const today = new Date()
-  const fromDate = new Date(today); fromDate.setDate(fromDate.getDate() - 7)
-  const toDate   = new Date(today); toDate.setDate(toDate.getDate() + 28)
-  const from = fmtDate(fromDate)
-  const to   = fmtDate(toDate)
+  if (!from || !to) ({ from, to } = defaultRotaWindow())
+
+  const fromDate = new Date(from + 'T00:00:00')
+  const toDate   = new Date(to   + 'T00:00:00')
 
   // API limit: max 7 days per request — split into weekly chunks
   const chunks = []
   const cur = new Date(fromDate)
   while (cur <= toDate) {
     const chunkFrom = fmtDate(cur)
-    const chunkToDate = new Date(cur)
-    chunkToDate.setDate(chunkToDate.getDate() + 6)
-    if (chunkToDate > toDate) chunkToDate.setTime(toDate.getTime())
-    chunks.push({ from: chunkFrom, to: fmtDate(chunkToDate) })
+    const chunkEnd  = new Date(cur); chunkEnd.setDate(chunkEnd.getDate() + 6)
+    if (chunkEnd > toDate) chunkEnd.setTime(toDate.getTime())
+    chunks.push({ from: chunkFrom, to: fmtDate(chunkEnd) })
     cur.setDate(cur.getDate() + 7)
   }
 
@@ -62,14 +74,15 @@ export async function runRotaSync() {
   return { ok: true, from, to, dates_synced: dailyRows.length }
 }
 
-export async function runTimesheetSync(days = 7) {
+// from/to: 'YYYY-MM-DD' strings — defaults to last 7 days if omitted
+export async function runTimesheetSync(from, to) {
   const deptIds = (await getConfig('workforce_departments', [])) || []
   if (!deptIds.length) throw new Error('No HK departments selected — configure in Category Settings')
 
-  const today = new Date()
-  const fromDate = new Date(today); fromDate.setDate(fromDate.getDate() - days)
-  const from = fmtDate(fromDate)
-  const to   = fmtDate(today)
+  if (!from || !to) ({ from, to } = defaultTimesheetWindow())
+
+  const fromDate = new Date(from + 'T00:00:00')
+  const toDate   = new Date(to   + 'T00:00:00')
 
   const staffList = await fetchTimesheetShifts(from, to, deptIds)
 
@@ -83,7 +96,7 @@ export async function runTimesheetSync(days = 7) {
 
   const dailyRows = []
   const day = new Date(fromDate)
-  while (day <= today) {
+  while (day <= toDate) {
     const d = fmtDate(day)
     dailyRows.push({ date: d, staff: byDate[d] || [], source: 'timesheet' })
     day.setDate(day.getDate() + 1)

backend/src/routes/workforce.js

@@ -23,19 +23,21 @@ export async function workforceRoutes(app) {
   // ── POST /api/workforce/sync — rolling rota window: today-7 → today+28 ──────
 
   app.post('/api/workforce/sync', { preHandler: requireCap('planner') }, async (req, reply) => {
+    const { start, end } = req.query
     try {
-      return await runRotaSync()
+      return await runRotaSync(start, end)
     } catch (err) {
       req.log.error({ err: err.message }, 'rota sync failed')
       return reply.status(errStatus(err.message)).send({ error: err.message })
     }
   })
 
-  // ── POST /api/workforce/sync-timesheets — last 7 days of actual hours ────────
+  // ── POST /api/workforce/sync-timesheets?start=&end= ──────────────────────────
 
   app.post('/api/workforce/sync-timesheets', { preHandler: requireCap('planner') }, async (req, reply) => {
+    const { start, end } = req.query
     try {
-      return await runTimesheetSync()
+      return await runTimesheetSync(start, end)
     } catch (err) {
       req.log.error({ err: err.message }, 'timesheet sync failed')
       return reply.status(errStatus(err.message)).send({ error: err.message })