update: 3 -> 4 weeks in calendar

public/js/calendar.js

@@ -15,7 +15,7 @@ async function loadPeople() {
 }
 
 async function loadSlots() {
-  state.slots = await api.get('/api/calendar/slots?weeks=3');
+  state.slots = await api.get('/api/calendar/slots?weeks=4');
   renderCalendar();
 }
 

src/lib/calendarAvailability.js

@@ -8,9 +8,9 @@ const DEFAULT_SLOT_CONFIG = {
   weekday: { startHour: 18, startMinute: 30, endHour: 21, endMinute: 0 },
   weekend: { startHour: 15, startMinute: 0, endHour: 19, endMinute: 0 },
 };
-const MAX_WEEKS = 3;
+const MAX_WEEKS = 4;
 
-// One slot per day for the next `weeks` weeks (capped at 3, same as the rest
+// One slot per day for the next `weeks` weeks (capped at 4, same as the rest
 // of the calendar feature), starting from today's Paris-local calendar date
 // — not the server's own timezone, which may not be Europe/Paris.
 function generateSlots(weeks = MAX_WEEKS, slotConfig = DEFAULT_SLOT_CONFIG) {

src/repositories/calendarRepo.js

@@ -84,8 +84,8 @@ async function ingestSlots(slots) {
   return summary;
 }
 
-async function getSlots({ minPeople = 0, personIds = null, weeks = 3 } = {}) {
+async function getSlots({ minPeople = 0, personIds = null, weeks = 4 } = {}) {
-  const cappedWeeks = Math.min(weeks || 3, 3);
+  const cappedWeeks = Math.min(weeks || 4, 4);
   const now = new Date();
   const end = new Date(now);
   end.setDate(end.getDate() + cappedWeeks * 7);

src/routes/calendar.js

@@ -22,7 +22,7 @@ router.get(
     // ingested slot (heat-colored by availability ratio on the frontend),
     // not just slots where at least one person happens to be free.
     const minPeople = req.query.min_people !== undefined ? parseInt(req.query.min_people, 10) : 0;
-    const weeks = req.query.weeks !== undefined ? parseInt(req.query.weeks, 10) : 3;
+    const weeks = req.query.weeks !== undefined ? parseInt(req.query.weeks, 10) : 4;
     const personIds = req.query.person_ids
       ? req.query.person_ids.split(',').map(Number).filter((n) => !Number.isNaN(n))
       : null;

src/services/calendarSync.js

@@ -3,7 +3,7 @@ const calendarRepo = require('../repositories/calendarRepo');
 const { generateSlots, isBusyDuring, widenWindow } = require('../lib/calendarAvailability');
 const { parisWallClockToUTC } = require('../lib/calendarDates');
 
-const RANGE_DAYS = 22; // slightly more than the 3 weeks generateSlots() covers
+const RANGE_DAYS = 29; // slightly more than the 4 weeks generateSlots() covers
 const FETCH_TIMEOUT_MS = 15000;
 
 // Fetches one ICS feed and parses it into node-ical's raw component map.
@@ -84,7 +84,7 @@ function dateOnlyToParisSpan(dateOnly) {
 }
 
 // Fetches every registered feed, derives per-person busy/free for each of the
-// next 3 weeks' slots (using the admin-configured rehearsal hours, falling
+// next 4 weeks' slots (using the admin-configured rehearsal hours, falling
 // back to calendarAvailability's defaults if none are set), and ingests the
 // result via calendarRepo.ingestSlots — the same sink the old n8n-webhook flow
 // used to feed. A feed that fails to fetch is logged by id only (never its
@@ -113,7 +113,7 @@ async function syncAvailability() {
     intervalsByUser.set(feed.user_id, existing.concat(result.value));
   });
 
-  const slots = generateSlots(3, slotConfig);
+  const slots = generateSlots(4, slotConfig);
   const slotPayload = slots.map((slot) => {
     // The margin only widens the *check* window (to account for travel time
     // between back-to-back calendar events) — the slot itself, as stored and

test/calendarAvailability.test.js

@@ -2,14 +2,14 @@ const { test } = require('node:test');
 const assert = require('node:assert/strict');
 const { generateSlots, isBusyDuring, widenWindow } = require('../src/lib/calendarAvailability');
 
-test('generateSlots: default 3 weeks produces one slot per day for 21 days', () => {
+test('generateSlots: default 4 weeks produces one slot per day for 28 days', () => {
   const slots = generateSlots();
-  assert.equal(slots.length, 21);
+  assert.equal(slots.length, 28);
 });
 
-test('generateSlots: caps weeks at 3 even if a larger value is requested', () => {
+test('generateSlots: caps weeks at 4 even if a larger value is requested', () => {
   const slots = generateSlots(10);
-  assert.equal(slots.length, 21);
+  assert.equal(slots.length, 28);
 });
 
 test('generateSlots: every slot has upper strictly after lower', () => {