docs(skills): simplify bundled docs lookup

Author: chenjiahan

.agents/skills/rstack-cli-best-practices/SKILL.md

@@ -11,23 +11,17 @@ Before any Rstack work, find and read the relevant Markdown documentation shippe
 installed `rstack` package. Model knowledge and summaries in this skill can be outdated; the
 installed documentation is the source of truth for the project's Rstack version.
 
-1. Resolve the documentation root from the project or workspace directory:
+1. Read only the pages relevant to the task under `node_modules/rstack/dist/docs` before proposing
+   or making changes.
 
-   ```sh
-   node -p "require('node:path').join(require('node:path').dirname(require.resolve('rstack/package.json')), 'dist/docs')"
-   ```
-
-   The usual location is `node_modules/rstack/dist/docs`.
-
-2. Read only the pages relevant to the task before proposing or making changes. If the correct
-   page is unclear, start with the documentation index and search the documentation root with
-   `rg -n "<keyword>" <docs-root>`.
+2. If the correct page is unclear, start with the documentation index and search the documentation
+   root with `rg -n "<keyword>" <docs-root>`.
 
 3. For exact CLI flags and behavior, also run `rs -h` or `rs <command> -h` when supported.
 
-If the package or bundled documentation cannot be resolved, verify that `rstack` is installed,
-report the installed version, and use CLI help plus the online Rstack documentation as a fallback.
-Do not guess from model memory.
+If the bundled docs are not available at that path, locate the installed `rstack` package. If they
+are still unavailable, verify that `rstack` is installed, report the installed version, and use CLI
+help plus the online Rstack documentation as a fallback. Do not guess from model memory.
 
 ## Documentation map