Fix event content extraction and history handling in Cartesia agent

Author: sreedharsreeram

packages/cartesia-sdk-python/.gitignore

@@ -0,0 +1,57 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Type checking
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# macOS
+.DS_Store
+
+# Logs
+*.log

packages/cartesia-sdk-python/src/supermemory_cartesia/__init__.py

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+"""Supermemory Cartesia SDK - Memory-enhanced voice agents with Cartesia Line.
+
+This package provides seamless integration between Supermemory and Cartesia Line,
+enabling persistent memory and context enhancement for voice AI applications.
+
+Example:
+    ```python
+    from supermemory_cartesia import SupermemoryCartesiaAgent, MemoryConfig
+    from line.llm_agent import LlmAgent, LlmConfig
+
+    # Create base LLM agent
+    base_agent = LlmAgent(
+        model="gemini/gemini-2.5-flash-preview-09-2025",
+        config=LlmConfig(
+            system_prompt="You are a helpful assistant.",
+            introduction="Hello!"
+        )
+    )
+
+    # Wrap with Supermemory
+    memory_agent = SupermemoryCartesiaAgent(
+        agent=base_agent,
+        api_key=os.getenv("SUPERMEMORY_API_KEY"),
+        user_id="user-123",
+    )
+    ```
+"""
+
+from .agent import SupermemoryCartesiaAgent
+from .exceptions import (
+    APIError,
+    ConfigurationError,
+    MemoryRetrievalError,
+    MemoryStorageError,
+    NetworkError,
+    SupermemoryCartesiaError,
+)
+from .utils import (
+    deduplicate_memories,
+    format_memories_to_text,
+    format_relative_time,
+    get_last_user_message,
+)
+
+__version__ = "0.1.0"
+
+__all__ = [
+    # Main agent
+    "SupermemoryCartesiaAgent",
+    # Exceptions
+    "SupermemoryCartesiaError",
+    "ConfigurationError",
+    "MemoryRetrievalError",
+    "MemoryStorageError",
+    "APIError",
+    "NetworkError",
+    # Utilities
+    "get_last_user_message",
+    "deduplicate_memories",
+    "format_memories_to_text",
+    "format_relative_time",
+]