debug: Add detailed logging and HTML dump for Amazon scraping

- Add debug logs for each step of product extraction
- Log ASIN, title, link extraction failures
- Save HTML to /tmp/amazon_debug_*.html for inspection
- Enable DEBUG logging level temporarily
- Will help identify why 48 cards found but 0 products extracted

app/main.py

@@ -20,7 +20,7 @@ from app.services.scheduler import start_scheduler as start_catalog_scheduler, s
 
 # Configure logging
 logging.basicConfig(
-    level=os.getenv("LOG_LEVEL", "INFO").upper(),
+    level=os.getenv("LOG_LEVEL", "DEBUG").upper(),  # Temporarily DEBUG for Amazon debugging
     format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
 )
 logger = logging.getLogger(__name__)

app/services/amazon_scraper.py

@@ -277,6 +277,15 @@ async def scrape_amazon_search(query: str, max_results: int = 20) -> list[Amazon
             # Parse HTML with BeautifulSoup
             soup = BeautifulSoup(result.html, 'html.parser')
 
+            # Debug: Save HTML to file for inspection
+            debug_file = f"/tmp/amazon_debug_{query[:20]}.html"
+            try:
+                with open(debug_file, 'w', encoding='utf-8') as f:
+                    f.write(result.html)
+                logger.debug(f"📝 HTML saved to {debug_file} for debugging")
+            except Exception as e:
+                logger.debug(f"Could not save debug HTML: {e}")
+
             # Amazon uses data-component-type="s-search-result" for product cards
             product_cards = soup.find_all('div', {'data-component-type': 's-search-result'})
 
@@ -301,20 +310,25 @@ async def scrape_amazon_search(query: str, max_results: int = 20) -> list[Amazon
                     # Extract ASIN (Amazon Standard Identification Number)
                     asin = card.get('data-asin', '')
                     if not asin:
+                        logger.debug(f"  ⏭️ Card {idx}: No ASIN found, skipping")
                         continue
 
+                    logger.debug(f"  🔍 Card {idx}: Processing ASIN {asin}")
+
                     # Check if sponsored
                     sponsored = bool(card.select_one('[data-component-type="sp-sponsored-result"]'))
 
                     # Extract title
                     title_elem = card.select_one('h2 a span, h2 span')
                     if not title_elem:
+                        logger.debug(f"  ⏭️ Card {idx} ({asin}): No title found, skipping")
                         continue
                     title = title_elem.get_text(strip=True)
 
                     # Extract URL
                     link_elem = card.select_one('h2 a')
                     if not link_elem:
+                        logger.debug(f"  ⏭️ Card {idx} ({asin}): No link found, skipping")
                         continue
                     href = link_elem.get('href', '')
                     product_url = f"{AMAZON_FR_BASE_URL}{href}" if href.startswith('/') else href