* docs(install): revamp installer internals for readability and accuracy
Restructure the installer internals page with better flow and Mintlify
components (CardGroup, Steps, Tabs, AccordionGroup). All flags, env vars,
and behavioral descriptions cross-checked against install.sh,
install-cli.sh, and install.ps1 source code.
- Add CardGroup chooser and Quick Commands section at top
- Organize each script into consistent Flow → Examples → Reference pattern
- Move flags/env var tables into collapsible Accordions
- Consolidate troubleshooting into AccordionGroup at bottom
- Add missing flags (--version, --beta, --verbose, --help, etc.)
- Add missing env vars (OPENCLAW_VERSION, OPENCLAW_BETA, etc.)
- Document install-cli.sh fully (was one paragraph)
- Fix non-interactive checkout detection behavior (defaults to npm)
- Use --proto/--tlsv1.2 in curl examples to match script usage
- No content deleted; all original info preserved or relocated
* fix(docs): correct in-page anchor hrefs for installer cards
* docs(install): replace CardGroup with table for installer overview