fix(site): reset installation guide to implemented features (#707)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

site/src/content/docs/concepts/under-construction.mdx

@@ -1,6 +0,0 @@
----
-title: 'Under Construction'
-description: 'Video.js 10 docs are coming soon!'
----
-
-Please pardon our dust as we build this all out.

site/src/content/docs/concepts/v10-roadmap.mdx

@@ -18,29 +18,18 @@ Video.js v10 is a complete rebuild from the ground up, designed to be more modul
 - Reserved only for urgent API-breaking changes that cannot be avoided
 - Acts as a stopgap between v8 and the new v10 rebuild
 
-## October 30, 2025: Technical preview
-
-
-**First public look** at Video.js v10, rebuilt from the ground up.
-
-**Goal:** Get feedback from early adopters and plugin authors.
-
-**What to expect:**
-- Limited feature set
-- Not production-ready
-- Existing plugins and integrations will not work with v10
-- Developers encouraged to check it out and give feedback
-
-## February 2026: v10 Beta Release
+## March 2026: v10 Beta Release
 
 Wider testing release to the community.
 
 **Core feature parity target:**
+
 - Basic control set (play, pause, seek, volume, fullscreen)
 - Adaptive streaming support via existing community engines
 - No plugin migrations yet, without plugin author contribution
 
 **What to expect:**
+
 - Close to stable, but API changes are still possible
 - Intended for experimental adoption in real-world projects
 - Developers encouraged to try it out and report issues
@@ -50,18 +39,21 @@ Wider testing release to the community.
 **Stable release** of Video.js v10
 
 **Feature targets:**
+
 - Core feature parity with v8 in terms of fundamentals
 - Feature parity with Media Chrome, Vidstack, Plyr, and Mux Player
 - Community encouraged to begin full reintegration projects
 - Plugin ecosystem migration begins in earnest
 
 **Engine development focus:**
+
 - Lightweight adaptive streaming
 - MoQ (Media over QUIC) support
 
 ## Late-2026: Feature parity with v8 Contrib
 
 **Extended feature parity** with Video.js "contrib" plugins:
+
 - Ads integration
 - Analytics support
 - Further community plugin migration dependent on contributions
@@ -69,10 +61,12 @@ Wider testing release to the community.
 ## End-of-life plan for Video.js v8
 
 ### Mid-2026
+
 - v8/v9 moved to "video.js-legacy" repository and package
 - Hosted CDN copies will remain available
 
 ### 2027 and beyond
+
 - Security patches only
 - Community contributions de-prioritized
 

site/src/content/docs/how-to/installation.mdx

@@ -74,22 +74,22 @@ Video.js supports a wide range of file types and hosting services. It's easy to
     </TabsList>
     <TabsPanel client:idle value="npm" initial>
       ```bash
-      npm install @videojs/react
+      npm install @videojs/react@next
       ```
     </TabsPanel>
     <TabsPanel client:idle value="pnpm">
       ```bash
-      pnpm add @videojs/react
+      pnpm add @videojs/react@next
       ```
     </TabsPanel>
     <TabsPanel client:idle value="yarn">
       ```bash
-      yarn add @videojs/react
+      yarn add @videojs/react@next
       ```
     </TabsPanel>
     <TabsPanel client:idle value="bun">
       ```bash
-      bun add @videojs/react
+      bun add @videojs/react@next
       ```
     </TabsPanel>
   </TabsRoot>