v0.17.0

תקציר מקורי באנגלית<h2>Key Changes</h2> <h3>Output-guardrail replay safety</h3> <p>Serialized output-bearing approval checkpoints now fail closed with <code>UserError</code> when the SDK cannot prove which response owns a pending terminal tool output. Continue with the live <code>RunState</code> when possible, or start a new run from safe input instead of replaying ambiguous serialized items. When an output guardrail rejects a completed function-tool result used as final output, the SDK replaces rejected content in SDK-owned replay surfaces with <code>Output withheld by an output guardrail.</code>, sanitizes current guardrail metadata, and preserves earlier accepted history. This does not undo external tool side effects or erase application-owned copies.</p> <h3>Complete guardrail batch results</h3> <p>Guard