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feat: Add prompt support with typed argument handling #314

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Motivation and Context

How Has This Been Tested?

Breaking Changes

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Documentation update

Checklist

  • I have read the MCP Documentation
  • My code follows the repository's style guidelines
  • New and existing tests pass locally
  • I have added appropriate error handling
  • I have added or updated documentation as needed

Additional context

@snowmead @claude
feat: Add prompt support with typed argument handling
d37a6fb 
- Implement #[prompt], #[prompt_router], and #[prompt_handler] macros
- Add automatic JSON schema generation from Rust types for arguments
- Support flexible async handler signatures with automatic adaptation
- Create PromptRouter for efficient prompt dispatch
- Include comprehensive tests and example implementation

This enables MCP servers to provide reusable prompt templates that
LLMs can discover and invoke with strongly-typed parameters, similar
to the existing tool system but optimized for prompt use cases.

🤖 Generated with Claude Code
Co-Authored-By: Claude <[email protected]>
@github-actions github-actions bot added T-documentation Documentation improvements T-dependencies Dependencies related changes T-test Testing related changes T-config Configuration file changes T-core Core library changes T-examples Example code changes T-handler Handler implementation changes T-macros Macro changes labels Jul 12, 2025
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