v5.30.0

What's Changed

• Add payment requirements to tool catalog and implement x402 client by @asim in #2966
• feat(agent): loop detection guardrail + document/blog agent guardrails by @asim in #2968
• feat(agent): tool-execution wrappers via WrapTool by @asim in #2969
• Implement tool-execution wrappers and restructure ToolHandler by @asim in #2970
• Implement tool-execution wrappers and update documentation by @asim in #2971
• Implement durable execution and scoped state management for flows by @asim in #2972
• Update changelog and enhance retrospective blog on agentic features by @asim in #2973
• Implement A2A protocol gateway and update documentation by @asim in #2974

Full Changelog: v5.29.0...v5.30.0