prevent re-auto-activation after manual station release

Introduce a manual-release reservation hold on station state so auto slot activation is suppressed for the current reserved user until the reservation window ends or is removed. Clear the hold on activation/reservation updates and backfill missing hold fields for existing station state files.

server/index.js

@@ -2465,8 +2465,32 @@ async function autoActivateReservationSlotIfNeededUnlocked(options = {}) {
   await persistStationReservationsIfChanged(reservations, { lastAction: "reserve-sync" });
   const activeEntry = findActiveReservationEntry(reservations, nowMs);
   if (!activeEntry) {
+    if (runtime.station.manualReleaseReservationUserId || runtime.station.manualReleaseReservationUntil) {
+      runtime.station.manualReleaseReservationUserId = null;
+      runtime.station.manualReleaseReservationUntil = null;
+      runtime.station.updatedAt = new Date().toISOString();
+      await writeJson(files.station, runtime.station);
+    }
     return false;
   }
+
+  const holdUserId = String(runtime.station.manualReleaseReservationUserId || "");
+  const holdUntilMs = parseIsoMs(runtime.station.manualReleaseReservationUntil);
+  if (
+    holdUserId
+    && Number.isFinite(holdUntilMs)
+    && holdUntilMs > nowMs
+    && String(activeEntry.userId || "") === holdUserId
+  ) {
+    return false;
+  }
+  if (holdUserId || runtime.station.manualReleaseReservationUntil) {
+    runtime.station.manualReleaseReservationUserId = null;
+    runtime.station.manualReleaseReservationUntil = null;
+    runtime.station.updatedAt = new Date().toISOString();
+    await writeJson(files.station, runtime.station);
+  }
+
   if (excludeUserId && String(activeEntry.userId || "") === excludeUserId) {
     return false;
   }
@@ -2491,6 +2515,8 @@ async function autoActivateReservationSlotIfNeededUnlocked(options = {}) {
     startedAt: activeEntry.from,
     endsAt: activeEntry.to,
     reservations,
+    manualReleaseReservationUserId: null,
+    manualReleaseReservationUntil: null,
     updatedAt: new Date().toISOString(),
     lastAction: "activate-auto-slot"
   };
@@ -2520,6 +2546,14 @@ async function reconcileStationLeaseOnStartup() {
     runtime.station.endsAt = null;
     changed = true;
   }
+  if (!Object.prototype.hasOwnProperty.call(runtime.station, "manualReleaseReservationUserId")) {
+    runtime.station.manualReleaseReservationUserId = null;
+    changed = true;
+  }
+  if (!Object.prototype.hasOwnProperty.call(runtime.station, "manualReleaseReservationUntil")) {
+    runtime.station.manualReleaseReservationUntil = null;
+    changed = true;
+  }
   if (runtime.station.isInUse && runtime.station.startedAt && !runtime.station.endsAt) {
     runtime.station.endsAt = computeLeaseEndIso(runtime.station.startedAt);
     changed = true;
@@ -2766,6 +2800,8 @@ async function runActivationJob(job, user) {
         startedAt,
         endsAt,
         reservations: reservationsAfterActivate,
+        manualReleaseReservationUserId: null,
+        manualReleaseReservationUntil: null,
         updatedAt: new Date().toISOString(),
         lastAction: "activate"
       };
@@ -2870,6 +2906,12 @@ async function handleStationRelease(res, user) {
       startedAt: null,
       endsAt: null,
       reservations: lockInfo.reservations,
+      manualReleaseReservationUserId: lockInfo.activeEntry && String(lockInfo.activeEntry.userId || "") === String(user && user.id ? user.id : "")
+        ? String(user.id || "")
+        : null,
+      manualReleaseReservationUntil: lockInfo.activeEntry && String(lockInfo.activeEntry.userId || "") === String(user && user.id ? user.id : "")
+        ? String(lockInfo.activeEntry.to || "")
+        : null,
       updatedAt: new Date().toISOString(),
       lastAction: "deactivate"
     };
@@ -2961,6 +3003,12 @@ async function handleDeleteOwnReservation(res, user) {
         startedAt: null,
         endsAt: null,
         reservations: removed.reservations,
+        manualReleaseReservationUserId: String(runtime.station.manualReleaseReservationUserId || "") === String(user && user.id ? user.id : "")
+          ? null
+          : (runtime.station.manualReleaseReservationUserId || null),
+        manualReleaseReservationUntil: String(runtime.station.manualReleaseReservationUserId || "") === String(user && user.id ? user.id : "")
+          ? null
+          : (runtime.station.manualReleaseReservationUntil || null),
         updatedAt: new Date().toISOString(),
         lastAction: "reserve-remove-current"
       };
@@ -2978,6 +3026,12 @@ async function handleDeleteOwnReservation(res, user) {
     runtime.station = {
       ...runtime.station,
       reservations: removed.reservations,
+      manualReleaseReservationUserId: String(runtime.station.manualReleaseReservationUserId || "") === String(user && user.id ? user.id : "")
+        ? null
+        : (runtime.station.manualReleaseReservationUserId || null),
+      manualReleaseReservationUntil: String(runtime.station.manualReleaseReservationUserId || "") === String(user && user.id ? user.id : "")
+        ? null
+        : (runtime.station.manualReleaseReservationUntil || null),
       updatedAt: new Date().toISOString(),
       lastAction: "reserve-remove"
     };
@@ -6957,6 +7011,8 @@ function buildDefaultStationState() {
     startedAt: null,
     endsAt: null,
     reservations: [],
+    manualReleaseReservationUserId: null,
+    manualReleaseReservationUntil: null,
     updatedAt: new Date().toISOString(),
     lastAction: "init"
   };