Initial HCFS project scaffold

🚀 Generated with Claude Code

- Project plan and architecture documentation
- Python package structure with core modules
- API design and basic usage examples
- Development environment configuration
- Literature review and research foundation

Ready for Phase 1 implementation.

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

src/hcfs/api/__init__.py

@@ -0,0 +1,13 @@
+"""
+HCFS API module - Agent-facing APIs for context navigation and manipulation.
+"""
+
+from .context_api import ContextAPI
+from .models import ContextBlob, ContextPath, ContextQuery
+
+__all__ = [
+    "ContextAPI",
+    "ContextBlob", 
+    "ContextPath",
+    "ContextQuery",
+]