chore: update package version and dependencies; add env-config for dynamic config keys

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@kevisual/use-config",
-  "version": "1.0.28",
+  "version": "1.0.29",
   "types": "dist/config.d.ts",
   "scripts": {
     "build": "npm run clean && code-builder build --dts",
@@ -18,8 +18,9 @@
   "license": "UNLICENSED",
   "type": "module",
   "devDependencies": {
+    "@kevisual/code-builder": "^0.0.3",
     "@kevisual/context": "^0.0.4",
-    "@types/node": "^25.0.7",
+    "@types/node": "^25.2.0",
     "dotenv": "^17.2.3"
   },
   "exports": {
@@ -29,7 +30,8 @@
     },
     "./context": "./dist/app.js",
     "./file-store": "./dist/app.js",
-    "./env": "./dist/app.js"
+    "./env": "./dist/app.js",
+    "./env-config": "./src/env-config.ts"
   },
   "peerDependencies": {
     "dotenv": "^17"