feat(runtime): add local agentic process discovery

[ramizpolic]

This PR serves as a base for local agentic process discovery, including metadata, services, network/socket details, etc.

This is just a sample boilerplate and needs to be extended with improvements around OS-process data extraction and rules for agentic protocol discovery (e.g. what data is needed for A2A/MCP session)

Current Status

• Supports discovery of all local processes that were spawned in the format of __AGNTCY_DISCOVERY__=true <command> <args>
• Fetching network and socket information is unreliable so only common metadata is discovered about a process
• Some process details are OS-specific and may not be available across all systems
• Review requirements and adjust accordingly

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf CI / verify-proto (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	⏩ skipped	⏩ skipped	✅ passed	Apr 8, 2026, 9:17 PM