v0.3.0 — Typed Exceptions, Retries, Intelligence API

What's New

Typed Exception Hierarchy

• MemgraphAuthError (401/403) — bad API key or token
• MemgraphConnectionError — cannot reach server
• MemgraphRateLimitError (429) — with retry_after field
• MemgraphValidationError (4xx) — bad request data
• MemgraphAPIError (5xx) — server errors

Automatic Retries

• Exponential backoff on rate limits, server errors, and connection errors
• Configurable max_retries (default: 3)
• Auth and validation errors are NOT retried

Memory Intelligence Methods

• health() — memory health metrics
• contradictions() — contradiction report
• evaluate(query, user_id) — retrieval scoring breakdown
• mcis() — Memgraph Cognitive Integrity Score (0-100)
• benchmark(scenario) — run benchmark scenarios

CLI Improvements

• Non-interactive init mode for CI/CD (reads from env vars)

New Integration Examples

• CrewAI integration
• LlamaIndex integration
• Updated LangChain and MCP server examples

Full Changelog: v0.2.0...v0.3.0