correct thinking modes for each model

src/app/view/preferences.rs

@@ -114,7 +114,7 @@ impl App {
                         "Thinking mode selected when this model becomes active. Chat can switch it for later turns.",
                     ),
                     pick_list(
-                        &REASONING_MODES[..],
+                        self.preference_draft.model.reasoning_modes(),
                         Some(self.preference_draft.default_reasoning_mode),
                         Message::PreferenceDefaultReasoningChanged,
                     )
@@ -462,7 +462,7 @@ impl App {
                 row![
                     text("Thinking mode").size(13).width(Length::Fill),
                     pick_list(
-                        &REASONING_MODES[..],
+                        self.preference_draft.generation_model.reasoning_modes(),
                         Some(self.preference_draft.generation_reasoning_mode),
                         Message::PreferenceGenerationReasoningChanged,
                     )
@@ -513,7 +513,7 @@ impl App {
                     text_input("Random", &self.preference_draft.seed)
                         .on_input(Message::PreferenceSeedChanged),
                 ),
-                text("Blank sampling values retain DS4's model-family defaults. Think Max needs at least 393216 context tokens.")
+                text("Blank sampling values retain the model-family defaults.")
                     .size(12),
                 text(turn.map_or_else(
                     || "Effective settings will appear after valid values are entered.".to_owned(),