clarify CLI docs and smoke command

Author: williamhzo

CONTRIBUTING.md

@@ -35,5 +35,5 @@ Use conventional commit format:
 
 ## Local Smoke Check
 ```bash
-node ./bin/create-shape-app.js my-app --yes --skip-git
+node ./bin/create-shape-app.js my-app --yes --skip-install --skip-git
 ```

README.md

@@ -29,10 +29,13 @@ Options:
 - `--skip-install`
 - `--skip-git`
 - `--template-ref <tag>`
+- `-h, --help`
+- `-v, --version`
 
 ## Behavior
 - Scaffolds from `shape-network/builder-kit` release tags only (`latest` by default).
 - Rejects non-release refs (for example `main`) and canary tags.
+- In non-interactive terminals, `--yes` is required.
 - Copies template files, excluding VCS/internal maintainer metadata.
 - Applies defaults:
   - Root `package.json` name is set from the project directory name.