seat-card-arc fan driven by data-card-count (0/1/2/3); active arc glows/floats;dual CSS class aliases: .table-seat/.table-position, .seat-portrait/.position-portrait etc.; seat_role_counts context var; room.html arcs populated server-side on load; per-position inventory model: assigned_seats=[] always; JS clears #id_inv_role_card on turn_changed; _notify_turn_changed includes seat_counts (str keys) for observer arc sync; selectRole() increments active arc immediately + disables stack to prevent double-picks; room.js WS auto-reconnect with exponential backoff (1s->30s); _applet_menu.html extracted from gameboard/_applets.html and wallet/_applets.html (menu now sibling of applets container, not nested inside it); partial fix for mask clip bug — deferred; commented out footer background-gradient (revealed underlying clip bug); removed landscape .room-page .gear-btn bottom override; FT 3d: assert arc data-card-count=1 on re-entry instead of inventory cards

src/templates/apps/gameboard/_partials/_applet_menu.html

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+<div id="id_game_applet_menu" style="display:none;">
+    <form
+        hx-post="{% url "toggle_game_applets" %}"
+        hx-target="#id_game_applets_container"
+        hx-swap="outerHTML"
+    >
+        {% csrf_token %}
+        {% for entry in applets %}
+            <label>
+                <input
+                    type="checkbox"
+                    name="applets"
+                    value="{{ entry.applet.slug }}"
+                    {% if entry.visible %}checked{% endif %}
+                >
+                {{ entry.applet.name }}
+            </label>
+        {% endfor %}
+        <div class="menu-btns">
+            <button type="submit" class="btn btn-confirm">OK</button>
+            <button type="button" id="id_game_applet_menu_cancel" class="btn btn-cancel applet-menu-cancel">NVM</button>
+        </div>
+    </form>
+</div>

src/templates/apps/wallet/_partials/_applet_menu.html

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+<div id="id_wallet_applet_menu" style="display:none;">
+    <form
+        hx-post="{% url "toggle_wallet_applets" %}"
+        hx-target="#id_wallet_applets_container"
+        hx-swap="outerHTML"
+    >
+        {% csrf_token %}
+        {% for entry in applets %}
+            <label>
+                <input
+                    type="checkbox"
+                    name="applets"
+                    value="{{ entry.applet.slug }}"
+                    {% if entry.visible %}checked{% endif %}
+                >
+                {{ entry.applet.name }}
+            </label>
+        {% endfor %}
+        <div class="menu-btns">
+            <button type="submit" class="btn btn-confirm">OK</button>
+            <button type="button" class="btn btn-cancel applet-menu-cancel">NVM</button>
+        </div>
+    </form>
+</div>