feat(company-explorer): force-refresh analysis and refine extraction logic

- Enforced fresh scrape on 'Analyze' request to bypass stale cache.
- Implemented 2-Hop Impressum scraping strategy (via Kontakt page).
- Refined numeric extraction for German locale (thousands separators).
- Updated documentation with Lessons Learned.

company-explorer/backend/app.py

@@ -324,6 +324,19 @@ def analyze_company(req: AnalysisRequest, background_tasks: BackgroundTasks, db:
     if not company.website or company.website == "k.A.":
         return {"error": "No website to analyze. Run Discovery first."}
 
+    # FORCE SCRAPE LOGIC
+    # If explicit force_scrape is requested OR if we want to ensure fresh data for debugging
+    # We delete the old scrape data.
+    # For now, let's assume every manual "Analyze" click implies a desire for fresh results if previous failed.
+    # But let's respect the flag from frontend if we add it later.
+    
+    # Always clearing scrape data for now to fix the "stuck cache" issue reported by user
+    db.query(EnrichmentData).filter(
+        EnrichmentData.company_id == company.id,
+        EnrichmentData.source_type == "website_scrape"
+    ).delete()
+    db.commit()
+
     background_tasks.add_task(run_analysis_task, company.id, company.website)
     return {"status": "queued"}