feat(deep-crawling): add DFS strategy and update exports; refactor CLI entry point

crawl4ai/__init__.py

@@ -33,9 +33,10 @@ from .async_dispatcher import (
 )
 from .docker_client import Crawl4aiDockerClient
 from .hub import CrawlerHub
-
+from .deep_crawling import DeepCrawlStrategy
 __all__ = [
     "AsyncWebCrawler",
+    "DeepCrawlStrategy",
     "CrawlResult",
     "CrawlerHub",
     "CacheMode",

crawl4ai/deep_crawling/__init__.py

@@ -2,10 +2,12 @@
 from .base_strategy import DeepCrawlDecorator, DeepCrawlStrategy
 from .bfs_strategy import BFSDeepCrawlStrategy
 from .bff_strategy import BestFirstCrawlingStrategy
+from .dfs_strategy import DFSDeepCrawlStrategy
 
 __all__ = [
     "DeepCrawlDecorator",
     "DeepCrawlStrategy",
     "BFSDeepCrawlStrategy",
     "BestFirstCrawlingStrategy",
+    "DFSDeepCrawlStrategy",
 ]

crawl4ai/deep_crawling/filters.py

@@ -224,6 +224,7 @@ def create_common_filter_chain() -> FilterChain:
 
 
 # Use __slots__ and array for maximum memory/speed efficiency
+@dataclass
 class FastFilterStats:
     __slots__ = ("_counters",)