feat: move Harness skills into the CLI

[V3RON]

Summary

• React Native Harness users should not have to manually sync installed agent skills with the version of Harness already present in their project; moving the guidance into the CLI keeps agents on version-matched instructions and avoids stale test-writing advice.
• Add bundled harness skill guides to the CLI, including list and get, so agents can discover and load the right guidance directly from the installed package.
• Replace the repo SKILL.md with a thin router and update the docs to point agents at the CLI-backed workflow.

Testing

• pnpm exec tsc -p packages/cli/tsconfig.lib.json --noEmit
• pnpm nx build @react-native-harness/cli
• node packages/react-native-harness/bin.js skill list
• node packages/react-native-harness/bin.js skill get core

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Project	Deployment	Actions	Updated (UTC)
react-native-harness	Ready	Preview, Comment	May 8, 2026 6:48am