Initial Claude NPC plugin for Hytale

Creates an AI-controlled NPC named "Claude" that:
- Listens to nearby player chat and responds via LiteLLM (GLM-4.7-Flash)
- Can be controlled via HTTP API endpoints
- Provides world perception data for external AI control

Components:
- ClaudeNpcPlugin: Main plugin entry point
- ClaudeNpc: NPC entity management
- ClaudeController: Behavior state machine
- LiteLlmClient: HTTP client for LiteLLM API
- WorldView: Perception system
- ClaudeApiHandler: HTTP endpoint handlers

API endpoints:
- POST /spawn, /move, /chat, /look, /emote
- GET /status, /world

Includes Ansible role updates for deployment.

src/main/resources/plugin.json

@@ -0,0 +1,20 @@
+{
+  "id": "subnet.claudenpc",
+  "name": "SubNet:ClaudeNpc",
+  "version": "${project.version}",
+  "author": "Sub-Net",
+  "description": "An AI-controlled NPC that responds to player chat via LiteLLM",
+  "main": "at.subnet.hytale.claude.ClaudeNpcPlugin",
+  "dependencies": [
+    "nitrado.webserver"
+  ],
+  "permissions": [
+    "subnet.claudenpc.web.spawn",
+    "subnet.claudenpc.web.move",
+    "subnet.claudenpc.web.chat",
+    "subnet.claudenpc.web.look",
+    "subnet.claudenpc.web.emote",
+    "subnet.claudenpc.web.status",
+    "subnet.claudenpc.web.world"
+  ]
+}