fix: auto-clear KRS people (zarząd/wspólnicy) when CEIDG data is fetched

JDG companies don't have board members or shareholders. When CEIDG
returns data for a company, automatically remove company_people
records sourced from ekrs.ms.gov.pl.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

blueprints/api/routes_company.py

@@ -472,6 +472,16 @@ def api_enrich_company_registry(company_id):
                     company.legal_form = 'JEDNOOSOBOWA DZIAŁALNOŚĆ GOSPODARCZA'
                     updated_fields.append('forma prawna → JDG')
 
+                # --- Clear KRS-sourced people (zarząd, wspólnicy — not applicable to JDG) ---
+                krs_people = db.query(CompanyPerson).filter(
+                    CompanyPerson.company_id == company.id,
+                    CompanyPerson.source == 'ekrs.ms.gov.pl'
+                ).all()
+                if krs_people:
+                    for cp in krs_people:
+                        db.delete(cp)
+                    updated_fields.append(f'usunięto {len(krs_people)} osób z KRS (zarząd/wspólnicy)')
+
                 # --- Clear KRS data (CEIDG = JDG, not a spółka) ---
                 if company.krs:
                     company.krs = None