feat: add local server fallback to AI analyzer, include_paths support, config_path in reports

- ai_analyzer: OpenRouter primary + localhost:8001/:8002 as dev fallback
- crawler: support include_paths for targeted crawling
- __main__: pass config_path through report pipeline
- tests: 266 tests passing

scanner/config.py

@@ -20,6 +20,7 @@ DEFAULT_CONFIG: dict = {
             ".mp4", ".mp3", ".webm", ".avi", ".mov",
         ],
         "exclude_paths": [],
+        "include_paths": [],
         "sitemap": True,
     },
     "scoring": {
@@ -79,9 +80,10 @@ DEFAULT_CONFIG: dict = {
             "url": "",
         },
     },
-    # KI-gestützte semantische Inhaltsanalyse (OpenRouter). Optional, opt-in.
+    # KI-gestützte semantische Inhaltsanalyse (OpenRouter, primär).
     # Hash-gegated: nur neue/geänderte Inhalte lösen einen API-Call aus — siehe
     # ai_ledger.json. Der API-Key kommt NUR aus der Umgebungsvariable (nie in config.yaml).
+    # Lokale Server (localhost:8001, :8002) dienen nur als Dev-Fallback.
     "ai_analysis": {
         "enabled": False,
         "api_key_env": "OPENROUTER_API_KEY",
@@ -138,7 +140,7 @@ DEFAULT_CONFIG: dict = {
         "audio": {
             "enabled": False,
             "models": ["google/gemini-2.5-flash"],
-            "max_files_per_scan": 5,
+            "max_files_per_scan": 0,   # 0 = unbegrenzt
         },
         "video": {
             "enabled": False,