playback and import issues

sam-tool-tauri/src-tauri/src/settings.rs

@@ -22,7 +22,15 @@ fn default_sam_url() -> String {
 }
 
 fn default_cache_capacity() -> usize {
-    500
+    crate::decoder::DEFAULT_CACHE_CAPACITY
+}
+
+fn normalize(mut s: Settings) -> Settings {
+    s.cache_capacity = s.cache_capacity.clamp(
+        crate::decoder::MIN_CACHE_CAPACITY,
+        crate::decoder::MAX_CACHE_CAPACITY,
+    );
+    s
 }
 
 impl Default for Settings {
@@ -51,12 +59,15 @@ pub fn load(app: &AppHandle) -> Result<Settings, String> {
         return Ok(Settings::default());
     }
     let text = fs::read_to_string(&path).map_err(|e| format!("read {}: {e}", path.display()))?;
-    serde_json::from_str(&text).map_err(|e| format!("parse settings: {e}"))
+    serde_json::from_str(&text)
+        .map(normalize)
+        .map_err(|e| format!("parse settings: {e}"))
 }
 
 pub fn save(app: &AppHandle, s: &Settings) -> Result<(), String> {
     let path = settings_path(app)?;
-    let text = serde_json::to_string_pretty(s).map_err(|e| format!("serialize: {e}"))?;
+    let normalized = normalize(s.clone());
+    let text = serde_json::to_string_pretty(&normalized).map_err(|e| format!("serialize: {e}"))?;
     fs::write(&path, text).map_err(|e| format!("write {}: {e}", path.display()))
 }