refactor: update test setup, introduce system environment for commands, and streamline frontend build configuration.

app/gateway-api/package.json

@@ -3,6 +3,14 @@
     "private": true,
     "version": "0.0.0",
     "type": "module",
+    "main": "dist/index.js",
+    "types": "dist/index.d.ts",
+    "exports": {
+        ".": {
+            "types": "./dist/index.d.ts",
+            "default": "./dist/index.js"
+        }
+    },
     "scripts": {
         "build": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/gateway-api",
         "dev": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/gateway-api --watch",

app/gateway-api/tsconfig.json

@@ -2,13 +2,24 @@
     "extends": "../../tsconfig.paths.json",
     "compilerOptions": {
         "outDir": "dist",
-        "composite": true
+        "composite": true,
+        "rootDir": "src"
     },
-    "include": ["src", "test", "*.ts"],
+    "include": [
+        "src"
+    ],
     "references": [
-        { "path": "../../packages/common" },
-        { "path": "../../packages/infra" },
-        { "path": "../../packages/logic" },
-        { "path": "../../app/game-engine" }
+        {
+            "path": "../../packages/common"
+        },
+        {
+            "path": "../../packages/infra"
+        },
+        {
+            "path": "../../packages/logic"
+        },
+        {
+            "path": "../../app/game-engine"
+        }
     ]
-}
+}