docs: separate user and contributor documentation paths (#1729)

* docs: expand public user and contributor guides

* docs: address public guide review feedback

* docs: align web e2e coverage guidance

* test: cover collapsed docs references

* fix: validate shortcut docs references

* fix: parse balanced docs links

* fix: handle indented docs code blocks

README.md

@@ -151,7 +151,7 @@ cd kandev
 make start
 ```
 
-**Prerequisites:** Go 1.26+, Node.js 18+, pnpm, Docker (optional - needed for container runtimes)
+**Prerequisites:** Go 1.26.0, Node.js 24, and pnpm 9.15.9 (pinned in `mise.toml`). Docker is optional and needed only for container runtimes.
 
 ## High level architecture
 
@@ -193,16 +193,16 @@ We also want to add support for this remote runtime:
 ```
 apps/
 ├── backend/    # Go backend (orchestrator, lifecycle, agentctl, WS gateway)
-├── web/        # Next.js frontend (SSR, Zustand, real-time subscriptions)
+├── web/        # Vite/React frontend (SPA, Zustand, real-time subscriptions)
 ├── cli/        # CLI tool (npx kandev launcher)
-├── landing/    # Landing page
+├── desktop/    # Tauri desktop shell
 └── packages/   # Shared UI components & types
 ```
 
 ### Prerequisites
 
 - [mise](https://mise.jdx.dev/) for the pinned toolchain in `mise.toml` (`make bootstrap` installs it when missing)
-- Go 1.26, Node.js 24, pnpm 9.15.9 (installed by `make bootstrap`)
+- Go 1.26.0, Node.js 24, pnpm 9.15.9 (installed by `make bootstrap`)
 - Docker (optional)
 
 ### Environment Setup