Add resumable background model downloads

src/database.rs

@@ -14,7 +14,7 @@ pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations");
 pub struct AppPreferences {
     pub id: i32,
     pub selected_model: String,
-    pub dflash_enabled: bool,
+    pub dspark_enabled: bool,
     pub idle_timeout_minutes: i32,
 }
 
@@ -23,7 +23,7 @@ impl Default for AppPreferences {
         Self {
             id: 1,
             selected_model: "deepseek-v4-flash".into(),
-            dflash_enabled: false,
+            dspark_enabled: false,
             idle_timeout_minutes: 10,
         }
     }
@@ -33,7 +33,7 @@ impl Default for AppPreferences {
 #[diesel(table_name = preferences)]
 struct PreferenceChanges<'a> {
     selected_model: &'a str,
-    dflash_enabled: bool,
+    dspark_enabled: bool,
     idle_timeout_minutes: i32,
 }
 
@@ -135,13 +135,13 @@ impl Database {
     pub fn update_preferences(
         &mut self,
         selected_model: &str,
-        dflash_enabled: bool,
+        dspark_enabled: bool,
         idle_timeout_minutes: i32,
     ) -> Result<AppPreferences, String> {
         diesel::update(preferences::table.find(1))
             .set(PreferenceChanges {
                 selected_model,
-                dflash_enabled,
+                dspark_enabled,
                 idle_timeout_minutes,
             })
             .returning(AppPreferences::as_returning())
@@ -200,7 +200,7 @@ mod tests {
 
         let preferences = database.load_preferences().unwrap();
         assert_eq!(preferences.selected_model, "deepseek-v4-flash");
-        assert!(!preferences.dflash_enabled);
+        assert!(!preferences.dspark_enabled);
         assert_eq!(preferences.idle_timeout_minutes, 10);
         assert!(database.update_preferences("glm-5.2", true, 30).is_err());
         assert!(