fix: code review round 2 - logging, cleanup, TOC, simplify converter

bookish/routes/convert.py

@@ -1,15 +1,14 @@
 import os
 import uuid
+import logging
 import threading
 from flask import Blueprint, request, jsonify, Response, send_file, render_template, current_app
 from werkzeug.utils import secure_filename
 from config import SUPPORTED_FORMATS, OUTPUT_FORMATS_BY_INPUT
-from bookish.services.sse_manager import (
-    create_task, generate_sse_events, update_progress,
-    mark_error, get_status, cleanup_task
-)
+from bookish.services.sse_manager import create_task, generate_sse_events, get_status
 from bookish.services.converter import run_conversion, get_format_from_ext
 
+logger = logging.getLogger(__name__)
 convert_bp = Blueprint("convert", __name__)
 
 ALLOWED_EXTENSIONS = set(SUPPORTED_FORMATS.keys())
@@ -82,6 +81,8 @@ def upload():
     )
     thread.start()
 
+    logger.info("Conversione avviata: %s -> %s (task=%s)", input_ext, output_format, task_id)
+
     return jsonify({
         "task_id": task_id,
         "input_format": input_ext,
@@ -115,6 +116,7 @@ def download(filename):
         return jsonify({"error": "File non trovato o già rimosso"}), 404
 
     ext = os.path.splitext(safe)[1].lower().lstrip(".")
+    logger.info("Download: %s.%s", safe, ext)
     mime = SUPPORTED_FORMATS.get(ext, {}).get("mime", "application/octet-stream")
     download_name = f"converted.{ext}"