fix: slow thumbnail and analyser test

apps/indexer/src/analyzer.rs

@@ -67,7 +67,7 @@ async fn load_thumbnail_config(pool: &sqlx::PgPool) -> ThumbnailConfig {
 }
 
 async fn load_thumbnail_concurrency(pool: &sqlx::PgPool) -> usize {
-    let default_concurrency = 4;
+    let default_concurrency = 2;
     let row = sqlx::query(r#"SELECT value FROM app_settings WHERE key = 'limits'"#)
         .fetch_optional(pool)
         .await;
@@ -94,11 +94,11 @@ fn generate_thumbnail(image_bytes: &[u8], config: &ThumbnailConfig) -> anyhow::R
     let ratio = ratio_w.min(ratio_h);
     let new_w = (orig_w as f32 * ratio) as u32;
     let new_h = (orig_h as f32 * ratio) as u32;
-    let resized = img.resize(new_w, new_h, image::imageops::FilterType::Lanczos3);
+    let resized = img.resize(new_w, new_h, image::imageops::FilterType::Triangle);
     let rgba = resized.to_rgba8();
     let (w, h) = rgba.dimensions();
     let rgb_data: Vec<u8> = rgba.pixels().flat_map(|p| [p[0], p[1], p[2]]).collect();
-    let quality = f32::max(config.quality as f32, 85.0);
+    let quality = config.quality as f32;
     let webp_data = webp::Encoder::new(&rgb_data, webp::PixelLayout::Rgb, w, h).encode(quality);
     Ok(webp_data.to_vec())
 }

crates/parsers/src/lib.rs

@@ -200,8 +200,8 @@ fn list_cbr_images(path: &Path) -> Result<Vec<String>> {
         let stdout = String::from_utf8_lossy(&output.stdout);
         let images: Vec<String> = stdout
             .lines()
+            .map(|l| l.trim().to_string())
             .filter(|line| is_image_name(&line.to_ascii_lowercase()))
-            .map(|l| l.to_string())
             .collect();
         if !images.is_empty() {
             return Ok(images);
@@ -254,8 +254,8 @@ fn analyze_cbr(path: &Path) -> Result<(i32, Vec<u8>)> {
     match p_output {
         Ok(out) if out.status.success() && looks_like_image(&out.stdout) => Ok((count, out.stdout)),
         _ => {
-            // Fallback: full extraction with unar (handles special chars, encoding issues)
-            let image_bytes = extract_cbr_first_page(path)?;
+            // Fallback: targeted extraction with unar (handles special chars, encoding issues)
+            let image_bytes = extract_cbr_first_page(path, first_name)?;
             Ok((count, image_bytes))
         }
     }
@@ -348,7 +348,12 @@ fn is_image_name(name: &str) -> bool {
 pub fn extract_first_page(path: &Path, format: BookFormat) -> Result<Vec<u8>> {
     match format {
         BookFormat::Cbz => extract_cbz_first_page(path),
-        BookFormat::Cbr => extract_cbr_first_page(path),
+        BookFormat::Cbr => {
+            let mut image_names = list_cbr_images(path)?;
+            image_names.sort();
+            let first_name = image_names.into_iter().next().context("no images found in cbr")?;
+            extract_cbr_first_page(path, &first_name)
+        }
         BookFormat::Pdf => extract_pdf_first_page(path),
     }
 }
@@ -378,7 +383,7 @@ fn extract_cbz_first_page(path: &Path) -> Result<Vec<u8>> {
     Ok(buf)
 }
 
-fn extract_cbr_first_page(path: &Path) -> Result<Vec<u8>> {
+fn extract_cbr_first_page(path: &Path, first_name: &str) -> Result<Vec<u8>> {
     let tmp_dir = std::env::temp_dir().join(format!("stripstream-cbr-thumb-{}", Uuid::new_v4()));
     std::fs::create_dir_all(&tmp_dir).context("cannot create temp dir")?;