Memory Strategy: replace buggy Dropdown with Radio (4 stacked options); slider value text centered

app.py

@@ -674,14 +674,49 @@ gradio-app > div {
   padding: 0 !important;
   border-radius: 0 !important;
 }
-/* But keep the actual interactive control visible (the dropdown's select
-   container needs to keep its own border so users can see the box). */
-#quest-memory-strategy [data-testid="dropdown"],
-#quest-memory-strategy .gradio-dropdown {
-  background: var(--q-paper) !important;
-  border: 1px solid var(--q-line-strong) !important;
-  border-radius: var(--q-radius-md) !important;
-  min-height: 46px !important;
+/* Memory Strategy radio: stack vertically, terracotta-tinted check state. */
+#quest-memory-strategy .wrap,
+#quest-memory-strategy fieldset,
+#quest-memory-strategy [data-testid="radio"] {
+  display: flex !important;
+  flex-direction: column !important;
+  gap: 6px !important;
+  background: transparent !important;
+  border: 0 !important;
+  padding: 0 !important;
+}
+#quest-memory-strategy label {
+  background: transparent !important;
+  border: 1px solid var(--q-line) !important;
+  border-radius: 8px !important;
+  padding: 8px 12px !important;
+  cursor: pointer !important;
+  font-weight: 500 !important;
+  font-size: 0.95rem !important;
+  color: var(--q-text) !important;
+  text-transform: none !important;
+  letter-spacing: 0 !important;
+  display: flex !important;
+  align-items: center !important;
+  gap: 10px !important;
+  transition: border-color 120ms ease, background 120ms ease;
+}
+#quest-memory-strategy label:hover {
+  border-color: var(--q-accent-line) !important;
+  background: var(--q-accent-soft) !important;
+}
+#quest-memory-strategy input[type="radio"] {
+  accent-color: var(--q-accent) !important;
+  width: 16px !important;
+  height: 16px !important;
+}
+#quest-memory-strategy label.selected,
+#quest-memory-strategy input[type="radio"]:checked + span,
+#quest-memory-strategy label:has(input[type="radio"]:checked) {
+  border-color: var(--q-accent) !important;
+  background: var(--q-accent-soft) !important;
+  color: var(--q-text) !important;
+  font-weight: 600 !important;
 }
 
 /* Slider head input (the "[6 ↺]" / "[1 ↺]" pill next to the slider track):
@@ -697,7 +732,7 @@ gradio-app > div {
   padding: 0 !important;
   min-height: 0 !important;
   height: auto !important;
-  text-align: right !important;
+  text-align: center !important;
   width: 3.5em !important;
   font-weight: 600 !important;
   color: var(--q-text) !important;
@@ -1873,7 +1908,7 @@ with gr.Blocks(
                     value=QUEST_MODEL_ID,
                     interactive=False,
                 )
-                memory_strategy = gr.Dropdown(
+                memory_strategy = gr.Radio(
                     label="Memory Strategy",
                     choices=list(MEMORY_STRATEGIES),
                     value="condenser",