fix(company-explorer): handle inconsistent LLM list responses in scraper

- Added logic to automatically flatten list-wrapped JSON responses from LLM in Impressum extraction.
- Fixed 'Unknown Legal Name' issue by ensuring property access on objects, not lists.
- Finalized v0.3.0 features and updated documentation with Lessons Learned.

company-explorer/backend/services/scraping.py

@@ -169,7 +169,15 @@ class ScraperService:
             
             response_text = call_gemini(prompt, json_mode=True, temperature=0.1)
             logger.debug(f"Impressum LLM raw response ({len(response_text)} chars): {response_text[:500]}...")
-            return json.loads(clean_json_response(response_text))
+            
+            result = json.loads(clean_json_response(response_text))
+            
+            # --- FIX: Handle List vs Dict ---
+            # If LLM returns a list like [{...}], take the first element
+            if isinstance(result, list) and len(result) > 0:
+                result = result[0]
+            
+            return result
             
         except Exception as e:
             logger.error(f"Impressum scrape failed for {url}: {e}", exc_info=True) # Log full traceback