feat: LinkedIn scraper retry with random delays + authwall detection

3 attempts with 2-5s random delay between retries. Detects authwall
and rate limit (429/999) responses. Updated status message to explain
LinkedIn's inconsistent availability to users.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

blueprints/admin/routes_social.py

@@ -992,7 +992,7 @@ def _run_enrichment_background(company_ids):
                             elif platform_name == 'instagram':
                                 profile_result['reason'] = 'Instagram wymaga logowania. Podłącz Meta API (OAuth), aby pobierać dane.'
                             elif platform_name == 'linkedin':
-                                profile_result['reason'] = 'LinkedIn blokuje dostęp publiczny dla botów.'
+                                profile_result['reason'] = 'LinkedIn blokuje boty (3 próby z opóźnieniem). Wyniki mogą się różnić między skanami.'
                             else:
                                 profile_result['reason'] = f'{profile.platform} — brak danych publicznych do pobrania.'
 

scripts/social_media_audit.py

@@ -1201,17 +1201,32 @@ class SocialProfileEnricher:
         return result
 
     def _enrich_linkedin(self, url: str) -> Dict[str, Any]:
-        """Enrich LinkedIn company page data."""
+        """Enrich LinkedIn company page data.
+
+        LinkedIn aggressively blocks bots — retries with random delays
+        to improve success rate. Returns empty dict if all attempts fail.
+        """
+        import random
+
         result = {}
+        max_retries = 3
+        for attempt in range(max_retries):
             try:
+                if attempt > 0:
+                    delay = random.uniform(2, 5)
+                    time.sleep(delay)
                 resp = self.session.get(url, timeout=REQUEST_TIMEOUT)
                 if resp.status_code == 200:
                     html = resp.text
+                    # Check if LinkedIn returned a login wall instead of data
+                    if 'authwall' in html[:2000].lower() or 'sign in' in html[:2000].lower():
+                        logger.debug(f"LinkedIn authwall on attempt {attempt+1} for {url}")
+                        continue
                     og_desc = re.search(r'<meta\s+(?:property|name)="og:description"\s+content="([^"]+)"', html)
                     if og_desc:
                         desc = og_desc.group(1).strip()
                         # LinkedIn descriptions often have follower count
-                    followers_match = re.search(r'([\d,\.]+)\s+followers', desc, re.IGNORECASE)
+                        followers_match = re.search(r'([\d,\.]+)\s+(?:followers|obserwujących)', desc, re.IGNORECASE)
                         if followers_match:
                             result['followers_count'] = self._parse_count(followers_match.group(1))
                         result['profile_description'] = desc[:500]
@@ -1221,8 +1236,16 @@ class SocialProfileEnricher:
                     name_match = re.search(r'<meta\s+(?:property|name)="og:title"\s+content="([^"]+)"', html)
                     if name_match:
                         result['page_name'] = name_match.group(1)
+                    if result:
+                        break  # Got data, no need to retry
+                elif resp.status_code in (429, 999):
+                    logger.debug(f"LinkedIn rate-limited ({resp.status_code}) attempt {attempt+1} for {url}")
+                    continue
+                else:
+                    logger.debug(f"LinkedIn HTTP {resp.status_code} attempt {attempt+1} for {url}")
+                    break  # Non-retryable status
             except Exception as e:
-            logger.debug(f"LinkedIn enrichment failed: {e}")
+                logger.debug(f"LinkedIn enrichment attempt {attempt+1} failed: {e}")
         return result
 
     def _enrich_tiktok(self, url: str) -> Dict[str, Any]: