rename: spaghetti-ue5 → unreal-workbench (public name)

Searchable ('unreal' is the marketplace keyword), professional, short (16
chars). 'Spaghetti' stays as the brand layer (description + author fields).
Repo + plugin.json name aligned.

README.md

@@ -1,4 +1,4 @@
-# Spaghetti UE5 Agent Plugin
+# Unreal Workbench — Agent Plugin
 
 Agent Plugins 1.0.0 distribution package for [Spaghetti Unreal AI Workbench](https://spaghetti.gg) — AI-powered tools for Unreal Engine 5.8 developers.
 
@@ -15,13 +15,13 @@ Connects your AI coding assistant (Claude Code, Cursor, Codex, etc.) to the Spag
 
 ```bash
 # Universal installer (detects Claude Code, Cursor, Codex, VS Code, etc.)
-npx plugins add Tinirau/ue5-agent-plugin
+npx plugins add Tinirau/unreal-workbench
 
 # Dry-run to inspect before installing
-npx plugins discover Tinirau/ue5-agent-plugin
+npx plugins discover Tinirau/unreal-workbench
 
 # Or, in Claude Code:
-/plugin marketplace add Tinirau/ue5-agent-plugin
+/plugin marketplace add Tinirau/unreal-workbench
 ```
 
 ## Authentication
@@ -44,7 +44,7 @@ Get these from your [spaghetti.gg dashboard](https://spaghetti.gg/dashboard). Th
 ## Structure
 
 ```
-ue5-agent-plugin/
+unreal-workbench/
 ├── plugin.json          # Agent Plugins 1.0.0 manifest
 ├── mcp.json             # streamable-http → mcp.spaghetti.gg (OAuth, no embedded secrets)
 ├── skills/