Hadamard Agent SDKStable contracts for real agent runtimes

Build provider-neutral, durable, observable, multi-agent systems with Hadamard 1.0.

Hadamard 1.0 Runtime

Compose immutable agents, capability-checked providers, lazy services, durable state, tools, and orchestration around one runtime.

Read full guides in English and Chinese, including step-by-step practical project walkthroughs.

Follow the architecture plan, 1.0 migration guide, security/failure policy, and JSON-to-SQLite cutover runbook.