Summary

• add --schema to print operation input shapes before profile resolution
• add --examples with curated examples for common operations including documents.search, presets.create, and api.call
• add tests for schema rendering and command-specific examples
• add a CLI patch changeset

Verification

• pnpm check
• node packages/cli/dist/cli.js documents.search --schema
• node packages/cli/dist/cli.js presets.create --examples

Closes #13