[chore] Modernize tsconfig + add native TS7 type-check

web/ee/css-modules.d.ts

@@ -0,0 +1,14 @@
+/**
+ * Ambient CSS module declarations for the app.
+ * Classic tsc tolerates untyped side-effect CSS imports under moduleResolution:bundler;
+ * the native compiler (TS7) requires a declaration. This mirrors packages/css-modules.d.ts.
+ */
+declare module "*.module.css" {
+    const classes: {[key: string]: string}
+    export default classes
+}
+
+declare module "*.css" {
+    const content: {[key: string]: string}
+    export default content
+}

web/ee/tsconfig.json

@@ -1,10 +1,9 @@
 {
     "extends": "../oss/tsconfig.json",
     "compilerOptions": {
-        "baseUrl": "..",
         "paths": {
-            "@/oss/*": ["./ee/src/*", "./oss/src/*"],
-            "@/agenta-oss-common/*": ["./ee/src/*", "./oss/src/*"]
+            "@/oss/*": ["./src/*", "../oss/src/*"],
+            "@/agenta-oss-common/*": ["./src/*", "../oss/src/*"]
         }
     },
     "include": ["next-env.d.ts", "**/*.d.ts", "**/*.ts", "**/*.tsx"],

web/oss/css-modules.d.ts

@@ -0,0 +1,14 @@
+/**
+ * Ambient CSS module declarations for the app.
+ * Classic tsc tolerates untyped side-effect CSS imports under moduleResolution:bundler;
+ * the native compiler (TS7) requires a declaration. This mirrors packages/css-modules.d.ts.
+ */
+declare module "*.module.css" {
+    const classes: {[key: string]: string}
+    export default classes
+}
+
+declare module "*.css" {
+    const content: {[key: string]: string}
+    export default content
+}

web/oss/tsconfig.json

@@ -14,10 +14,9 @@
         "isolatedModules": true,
         "jsx": "preserve",
         "incremental": true,
-        "baseUrl": ".",
         "paths": {
-            "@/oss/*": ["src/*", "src/lib/noop/index.tsx"],
-            "@/agenta-oss-common/*": ["../ee/src/*", "src/*", "src/lib/noop/index.tsx"]
+            "@/oss/*": ["./src/*", "./src/lib/noop/index.tsx"],
+            "@/agenta-oss-common/*": ["../ee/src/*", "./src/*", "./src/lib/noop/index.tsx"]
         }
     },
     "include": ["next-env.d.ts", "**/*.d.ts", "**/*.ts", "**/*.tsx"],

web/package.json

@@ -25,6 +25,7 @@
         "@next/eslint-plugin-next": "15.5.18",
         "@typescript-eslint/eslint-plugin": "^8.61.0",
         "@typescript-eslint/parser": "^8.61.0",
+        "@typescript/native-preview": "7.0.0-dev.20260707.2",
         "eslint": "^9.39.4",
         "eslint-config-next": "15.5.18",
         "eslint-config-prettier": "^10.1.8",
@@ -51,6 +52,8 @@
         "dev-oss": "turbo run dev --filter=@agenta/oss",
         "lint": "turbo run lint",
         "lint-fix": "turbo run lint -- --fix",
+        "type-check": "pnpm --filter @agenta/oss exec tsc --noEmit && pnpm --filter @agenta/ee exec tsc --noEmit",
+        "type-check:native": "pnpm --filter @agenta/oss exec tsgo --noEmit && pnpm --filter @agenta/ee exec tsgo --noEmit",
         "test:revision-centric": "tsx --tsconfig oss/tsconfig.json oss/tests/datalayer/test-revision-centric.ts",
         "test:apps": "tsx --tsconfig oss/tsconfig.json oss/tests/datalayer/test-apps.ts",
         "test:environments": "tsx --tsconfig oss/tsconfig.json oss/tests/datalayer/test-environments.ts",