feat: Add unified agent integration with Prometheus, Every Code, and Dexto

This commit adds comprehensive integration of three major AI agent platforms:

## MCP Servers (3)
- Prometheus MCP: Knowledge graph code reasoning with AST analysis
- Every Code MCP: Fast terminal-based coding agent with Auto Drive
- Dexto MCP: Agent harness with orchestration and session management

## Claude Code Skills (6)
- /agent-plan: Generate implementation plans
- /agent-fix-bug: Fix bugs end-to-end
- /agent-solve: Solve complex problems
- /agent-review: Review code quality
- /agent-context: Get code context
- /agent-orchestrate: Orchestrate workflows

## Ralph Auto-Integration
- Pattern-based auto-trigger for all three platforms
- Intelligent backend selection
- Multi-platform coordination
- Configuration in ralph/ralph.yml

## Documentation
- Complete integration guides
- Ralph auto-integration documentation
- Setup scripts
- Usage examples

Co-Authored-By: Claude <noreply@anthropic.com>

mcp-servers/dexto-mcp/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "@unified-agents/dexto-mcp",
+  "version": "0.1.0",
+  "description": "MCP server integration for Dexto agent harness",
+  "type": "module",
+  "main": "dist/index.js",
+  "bin": {
+    "dexto-mcp": "dist/cli.js"
+  },
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsc --watch",
+    "start": "node dist/cli.js",
+    "test": "vitest"
+  },
+  "keywords": [
+    "mcp",
+    "dexto",
+    "agent",
+    "harness"
+  ],
+  "author": "Unified Agents Integration",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@modelcontextprotocol/sdk": "^1.0.4",
+    "zod": "^3.22.4"
+  },
+  "devDependencies": {
+    "@types/node": "^20.11.0",
+    "typescript": "^5.3.3",
+    "vitest": "^1.1.0"
+  },
+  "engines": {
+    "node": ">=20.0.0"
+  }
+}