Fix tools/__init__.py import error

Removed import of blocks module from tools/__init__.py which was
causing "No module named 'tools.blocks'" error.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[e-mail]>

tools/__init__.py

···
 from .search import search_bluesky_posts, SearchArgs
 from .post import create_new_bluesky_post, PostArgs
 from .feed import get_bluesky_feed, FeedArgs
-from .blocks import attach_user_blocks, detach_user_blocks, AttachUserBlocksArgs, DetachUserBlocksArgs
 from .whitewind import create_whitewind_blog_post, WhitewindPostArgs
 from .ack import annotate_ack, AnnotateAckArgs
 
 __all__ = [
     # Functions
     "search_bluesky_posts",
-    "create_new_bluesky_post", 
+    "create_new_bluesky_post",
     "get_bluesky_feed",
-    "attach_user_blocks",
-    "detach_user_blocks",
     "create_whitewind_blog_post",
     "annotate_ack",
     # Pydantic models
     "SearchArgs",
     "PostArgs",
     "FeedArgs",
-    "AttachUserBlocksArgs",
-    "DetachUserBlocksArgs",
     "WhitewindPostArgs",
     "AnnotateAckArgs",
 ]