chore(main): release 0.15.0

[github-actions]

🤖 I have created a release beep boop

0.15.0 (2026-04-20)

Features

• add /scout issue slash-command workflow (#258) (57afa1e)
• add ado-aw run subcommand for local development (#266) (55db04c)
• add macOS x64 and arm64 release binaries in GitHub Actions (#264) (9bfe8ea)
• compile: add --skip-integrity flag for debug builds (#246) (8cae693)
• execute: add --dry-run flag to execute command (#265) (b2955d4)
• model GitHub and SafeOutputs as extensions, add --allow-tool for all MCP servers (#251) (2150cdb)

Bug Fixes

• add required 'domain' field to MCPG gateway config (#249) (e355b92)
• align MCPG integration with gh-aw reference implementation (#244) (bb4cccd)
• bypass MCPG run_containerized.sh to fix port validation with --network host (#250) (9b0568e)
• resolve compiler warnings and remove dead code (#268) (dd7df1f)

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