remove wrapup video rendering (ffmpeg)

SPA handles wrapup visuals client-side; server-side
renderer was dead code pulling in ffmpeg + image crates.

crates/worker/src/main.rs

@@ -107,38 +107,6 @@ async fn main() -> anyhow::Result<()> {
             event_publisher: event_publisher_arc,
             diary_exporter: Arc::new(ExportAdapter) as Arc<dyn DiaryExporter>,
             document_parser: Arc::new(ImporterDocumentParser) as Arc<dyn DocumentParser>,
-            video_renderer: {
-                let wc = &app_config.wrapup;
-                let ffmpeg = &wc.ffmpeg_path;
-                if std::process::Command::new(ffmpeg)
-                    .arg("-version")
-                    .output()
-                    .is_ok()
-                {
-                    let renderer_cfg = wrapup_renderer::RendererConfig {
-                        slide_duration_secs: 4,
-                        transition_duration_secs: 0.8,
-                        resolution: (1080, 1920),
-                        ffmpeg_path: ffmpeg.clone(),
-                        font_path: wc.font_path.clone(),
-                        logo_path: wc.logo_path.clone(),
-                        bg_dir: wc.bg_dir.clone(),
-                    };
-                    match wrapup_renderer::FfmpegWrapUpRenderer::new(renderer_cfg) {
-                        Ok(r) => {
-                            tracing::info!("wrapup video renderer enabled (ffmpeg={ffmpeg})");
-                            Some(Arc::new(r) as Arc<dyn domain::ports::WrapUpVideoRenderer>)
-                        }
-                        Err(e) => {
-                            tracing::warn!("wrapup video renderer init failed: {e}");
-                            None
-                        }
-                    }
-                } else {
-                    tracing::info!("wrapup video renderer disabled (ffmpeg not found)");
-                    None
-                }
-            },
         },
         config: app_config,
     };