Phase 2 build initial

hcfs-python/hcfs/sdk/__init__.py

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+"""
+HCFS Python Agent SDK
+
+A comprehensive SDK for AI agents to interact with the HCFS API.
+Provides high-level abstractions, caching, async support, and utilities.
+"""
+
+from .client import HCFSClient
+from .async_client import HCFSAsyncClient
+from .models import *
+from .exceptions import *
+from .utils import *
+from .decorators import *
+
+__version__ = "2.0.0"
+__all__ = [
+    # Core clients
+    "HCFSClient",
+    "HCFSAsyncClient",
+    
+    # Models and data structures
+    "Context",
+    "SearchResult", 
+    "ContextFilter",
+    "PaginationOptions",
+    "CacheConfig",
+    "RetryConfig",
+    
+    # Exceptions
+    "HCFSError",
+    "HCFSConnectionError",
+    "HCFSAuthenticationError",
+    "HCFSNotFoundError",
+    "HCFSValidationError",
+    "HCFSRateLimitError",
+    
+    # Utilities
+    "context_similarity",
+    "batch_processor",
+    "text_chunker",
+    "embedding_cache",
+    
+    # Decorators
+    "cached_context",
+    "retry_on_failure",
+    "rate_limited",
+    "context_manager"
+]