chore: consolidate docs, remove stale artifacts, and repo hygiene (#2665)
* fix(vscode): add extensionKind and error handler for Remote SSH support
* fix(vscode): reject failed RPC startup
* docs: consolidate docs, remove stale artifacts, and repo hygiene
- Remove docs-internal/ (duplicate of docs/); update pr-risk-check.mjs path
- Sync 9 diverged files to latest content (commands, config, troubleshooting, etc.)
- Fix pi --web → gsd --web naming in docs/README.md
- Copy FRONTIER-TECHNIQUES.md and ADR-004 to docs/ before removal
- Delete orphaned PR screenshot folders (pr-876/, pr-1530/) — unreferenced
- Remove committed pnpm-lock.yaml files (project uses npm)
- Move PLAN.md → .plans/doctor-cleanup-consolidation.md
- Move web/left-native-tui-main-session-plan.md → .plans/
- Delete .DS_Store and vscode-extension/dist/ from disk
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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