chore(release/candidate): release 0.5.0

[haranrk]

🤖 I have created a release beep boop

0.5.0 (2026-05-20)

Features

• add AgentGovernancePlugin for tool-call governance (#141) (f9bfa20)
• add S3ArtifactService with native async and atomic versioning (#115) (d07ad02)
• spraay: Add Spraay batch payment tools for Base (#95) (8172fd3)

Misc

• ci: update gemini-review workflow and resolve CI test failures (#120, #122, #123, #124, #125) (0ad6813, 6acdb23, 1a824e0, 57df5aa, 0624450)

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[github-actions]

🤖 Hi @haranrk, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

[github-actions]

I have reviewed the code for the new features included in this release candidate (0.5.0):

Findings:

1. AgentGovernancePlugin:

   • robust policy enforcement using agentmesh-platform.
   • Good use of fail_open and strict modes for flexibility.
   • Offloads sync evaluation to thread pools correctly.

2. S3ArtifactService:

   • Atomic versioning via IfNoneMatch prevents race conditions.
   • Correct handling of S3 metadata limits and case-insensitivity.
   • Comprehensive test suite with robust mocking.

3. Spraay Tools:

   • Proper use of Decimal for financial precision.
   • Critical security check for Chain ID before transactions.
   • Clean integration as ADK FunctionTools.

Overall, the release looks solid and follows best practices.

[github-actions]

Adding specific line comments to the release candidate review.