fix(activities): keep comment and postpone open for assignees under creator-only edit

Allow dueAt/description patches for collaborators when editPolicy is creator-only, and show the no-edit warning only when they try to change locked fields—not as a permanent banner.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/src/views/ActivityDetailView.vue

@@ -29,7 +29,7 @@ import type {
   TeamDto,
 } from '@mento/shared';
 import { useAuthStore } from '@/stores/auth';
-import { canMutateActivity } from '@/lib/activity-access';
+import { canCollaborateOnActivity, canMutateActivity } from '@/lib/activity-access';
 import { canAssignToOthers } from '@/lib/assign-access';
 import { apiError } from '@/lib/routines';
 import { activityTypeView, typeColorStyle, useActivityTypes } from '@/lib/activity-types';
@@ -84,7 +84,20 @@ const saving = ref(false);
 const error = ref('');
 const activity = ref<ActivityDto | null>(null);
 const canMutate = computed(() => canMutateActivity(activity.value, auth.user));
+const canCollaborate = computed(() =>
+  canCollaborateOnActivity(activity.value, auth.user),
+);
 const editLocked = computed(() => saving.value || !canMutate.value);
+const collabLocked = computed(() => saving.value || !canCollaborate.value);
+
+function warnNoMutatePermission() {
+  error.value = 'شما مجوز ویرایش یا حذف این فعالیت را ندارید.';
+}
+
+/** کنترل‌های disabled کلیک نمی‌گیرند؛ روی والد اخطار می‌دهیم */
+function onLockedEditAttempt() {
+  if (!canMutate.value && !saving.value) warnNoMutatePermission();
+}
 const canReassign = computed(
   () => canMutate.value && canAssignToOthers(auth.user, 'activities'),
 );
@@ -436,7 +449,10 @@ function clearNoteEdit() {
 
 function canEditNote(entry: ActivityThreadEntry): boolean {
   return Boolean(
-    canMutate.value && entry.dateLabel && meName.value && entry.author === meName.value,
+    canCollaborate.value &&
+    entry.dateLabel &&
+    meName.value &&
+    entry.author === meName.value,
   );
 }
 
@@ -632,6 +648,10 @@ function onBeforeUnload(event: BeforeUnloadEvent) {
 async function toggleChecklistItem(key: string, itemId: string, done: boolean) {
   const a = activity.value;
   if (!a || fieldsBusy.value) return;
+  if (!canMutate.value) {
+    warnNoMutatePermission();
+    return;
+  }
   const list = (a.fields?.[key] as ActivityChecklistItem[] | undefined) ?? [];
   const nextFields = {
     ...(a.fields ?? {}),
@@ -839,6 +859,10 @@ async function complete(kind: 'share' | 'force' | 'undo' = 'share') {
 
 async function setCompletionMode(mode: 'any' | 'all') {
   if (!id.value || activity.value?.completionMode === mode) return;
+  if (!canMutate.value) {
+    warnNoMutatePermission();
+    return;
+  }
   saving.value = true;
   error.value = '';
   try {
@@ -856,7 +880,7 @@ async function setCompletionMode(mode: 'any' | 'all') {
 async function reopen() {
   if (!id.value || !activity.value || activity.value.status === 'open') return;
   if (!canMutate.value) {
-    error.value = 'شما مجوز ویرایش این فعالیت را ندارید.';
+    warnNoMutatePermission();
     return;
   }
   saving.value = true;
@@ -1062,7 +1086,7 @@ onUnmounted(() => {
       <article class="card">
         <header class="hero">
           <div>
-            <h2>
+            <h2 @click.capture="onLockedEditAttempt">
               <input
                 v-model="draftTitle"
                 class="title-input"
@@ -1072,9 +1096,6 @@ onUnmounted(() => {
                 :disabled="editLocked"
               />
             </h2>
-            <p v-if="!canMutate" class="error" role="status">
-              شما مجوز ویرایش یا حذف این فعالیت را ندارید.
-            </p>
             <p v-if="subtitle" class="sub">
               <UiIcon name="building" :size="14" />
               {{ subtitle }}
@@ -1106,7 +1127,7 @@ onUnmounted(() => {
           />
         </div>
 
-        <dl class="meta">
+        <dl class="meta" @click.capture="onLockedEditAttempt">
           <div>
             <dt>
               <UiIcon :name="draftTypeView!.icon" :size="15" />
@@ -1646,7 +1667,7 @@ onUnmounted(() => {
         v-if="isDone || activity.status === 'canceled'"
         class="act primary"
         type="button"
-        :disabled="editLocked"
+        :disabled="saving"
         @click="reopen"
       >
         <UiIcon name="clock" :size="16" />
@@ -1675,7 +1696,7 @@ onUnmounted(() => {
       <button
         class="act ghost"
         type="button"
-        :disabled="editLocked || isDone"
+        :disabled="collabLocked || isDone"
         @click="postponeOpen = true"
       >
         <UiIcon name="refresh" :size="16" />
@@ -1684,7 +1705,7 @@ onUnmounted(() => {
       <button
         class="act ghost"
         type="button"
-        :disabled="editLocked"
+        :disabled="collabLocked"
         @click="commentOpen = true"
       >
         <UiIcon name="chat" :size="16" />