feat(translate-mcp): scaffold per-tenant translation MCP (CF-3122)

Node.js MCP server exposing translate/search_tm/upsert_glossary/record_correction
over StreamableHTTP on :9222. Routes translation calls to gemini-2.5-flash via
LiteLLM, augmented with per-tenant TM + glossary + tone profile from the
SmartTranslate pgvector DB.

Schema migration in sql/001_schema.sql already applied to smarttranslate DB.
Fleet registration in Infrastructure/litellm/config.yaml.

Refs: CF-3122 CF-3123 CF-3124 CF-3125

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "translate-mcp",
+  "version": "0.1.0",
+  "type": "module",
+  "description": "Per-tenant translation MCP (TM + glossary + tone) routed to gemini-2.5-flash via LiteLLM",
+  "main": "src/server.js",
+  "scripts": {
+    "start": "node src/http-server.js",
+    "start:http": "node src/http-server.js"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/sdk": "^1.0.4",
+    "@sentry/node": "^10.39.0",
+    "express": "^4.19.2",
+    "pg": "^8.13.1",
+    "pgvector": "^0.2.0"
+  }
+}