Docs: add nav titles across docs (#5689)

docs/install/ansible.md

@@ -4,6 +4,7 @@ read_when:
   - You want automated server deployment with security hardening
   - You need firewall-isolated setup with VPN access
   - You're deploying to remote Debian/Ubuntu servers
+title: "Ansible"
 ---
 
 # Ansible Installation

docs/install/bun.md

@@ -3,6 +3,7 @@ summary: "Bun workflow (experimental): installs and gotchas vs pnpm"
 read_when:
   - You want the fastest local dev loop (bun + watch)
   - You hit Bun install/patch/lifecycle script issues
+title: "Bun (Experimental)"
 ---
 
 # Bun (experimental)

docs/install/development-channels.md

@@ -3,6 +3,7 @@ summary: "Stable, beta, and dev channels: semantics, switching, and tagging"
 read_when:
   - You want to switch between stable/beta/dev
   - You are tagging or publishing prereleases
+title: "Development Channels"
 ---
 
 # Development channels

docs/install/docker.md

@@ -3,6 +3,7 @@ summary: "Optional Docker-based setup and onboarding for OpenClaw"
 read_when:
   - You want a containerized gateway instead of local installs
   - You are validating the Docker flow
+title: "Docker"
 ---
 
 # Docker (optional)

docs/install/index.md

@@ -3,6 +3,7 @@ summary: "Install OpenClaw (recommended installer, global install, or from sourc
 read_when:
   - Installing OpenClaw
   - You want to install from GitHub
+title: "Install"
 ---
 
 # Install

docs/install/installer.md

@@ -4,6 +4,7 @@ read_when:
   - You want to understand `openclaw.bot/install.sh`
   - You want to automate installs (CI / headless)
   - You want to install from a GitHub checkout
+title: "Installer Internals"
 ---
 
 # Installer internals

docs/install/migrating.md

@@ -3,6 +3,7 @@ summary: "Move (migrate) a OpenClaw install from one machine to another"
 read_when:
   - You are moving OpenClaw to a new laptop/server
   - You want to preserve sessions, auth, and channel logins (WhatsApp, etc.)
+title: "Migration Guide"
 ---
 
 # Migrating OpenClaw to a new machine

docs/install/nix.md

@@ -4,6 +4,7 @@ read_when:
   - You want reproducible, rollback-able installs
   - You're already using Nix/NixOS/Home Manager
   - You want everything pinned and managed declaratively
+title: "Nix"
 ---
 
 # Nix Installation

docs/install/uninstall.md

@@ -3,6 +3,7 @@ summary: "Uninstall OpenClaw completely (CLI, service, state, workspace)"
 read_when:
   - You want to remove OpenClaw from a machine
   - The gateway service is still running after uninstall
+title: "Uninstall"
 ---
 
 # Uninstall

docs/install/updating.md

@@ -3,6 +3,7 @@ summary: "Updating OpenClaw safely (global install or source), plus rollback str
 read_when:
   - Updating OpenClaw
   - Something breaks after an update
+title: "Updating"
 ---
 
 # Updating