chore: package metadata for npm publish

package.json

@@ -3,6 +3,22 @@
     "version": "0.1.0",
     "description": "MCP server for PostgreSQL and MySQL with named connections and SSH tunnels",
     "license": "MIT",
+    "author": "smartass",
+    "repository": {
+        "type": "git",
+        "url": "git+https://git.smartass.pw/admin/dbmole-mcp.git"
+    },
+    "homepage": "https://git.smartass.pw/admin/dbmole-mcp",
+    "keywords": [
+        "mcp",
+        "model-context-protocol",
+        "postgres",
+        "postgresql",
+        "mysql",
+        "ssh-tunnel",
+        "database",
+        "stdio"
+    ],
     "type": "module",
     "bin": {
         "dbmole-mcp": "dist/index.js"
@@ -14,6 +30,7 @@
         "node": ">=20"
     },
     "scripts": {
+        "prepublishOnly": "npm run lint && npm run typecheck && npm run test:unit && npm run build",
         "build": "tsup",
         "dev": "tsx src/index.ts",
         "lint": "biome check src test",