feat(forms): merge notes tab into main info for activity and deal forms; show activity hashtags

- Activity form: notes/tags card inline, live hashtag preview, focus notes when required
- Hashtags shown in activity detail (clickable search) and list rows; search accepts #tag
- Deal form: remove mobile tabs

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

apps/web/src/views/ActivitiesView.vue

@@ -983,6 +983,10 @@ onUnmounted(() => {
                 {{ item.title }}
               </RouterLink>
               <p v-if="subtitle(item)" class="sub">{{ subtitle(item) }}</p>
+              <p v-if="item.tags?.length" class="row-tags">
+                <span v-for="t in item.tags.slice(0, 3)" :key="t">#{{ t }}</span>
+                <span v-if="item.tags.length > 3">+{{ toFaDigits(item.tags.length - 3) }}</span>
+              </p>
             </div>
           </div>
           <div v-if="colOn('who')" class="who">
@@ -1727,6 +1731,22 @@ time.note {
   gap: 0.25rem;
 }
 
+.row-tags {
+  margin: 0.2rem 0 0;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.25rem;
+}
+
+.row-tags span {
+  background: #f0fdfa;
+  color: #0f766e;
+  border-radius: 999px;
+  padding: 0.05rem 0.45rem;
+  font-size: 0.7rem;
+  font-weight: 600;
+}
+
 .customer {
   display: grid;
   gap: 0.15rem;