diff --git a/apps/todo/packages/shared/tsconfig.json b/apps/todo/packages/shared/tsconfig.json
index 8c8de8cfe..4ef2d8bfd 100644
--- a/apps/todo/packages/shared/tsconfig.json
+++ b/apps/todo/packages/shared/tsconfig.json
@@ -3,6 +3,10 @@
 		"target": "ES2022",
 		"module": "ESNext",
 		"moduleResolution": "bundler",
+		// shared-types re-exports with explicit .ts paths (Tailwind v4
+		// module resolver needs them). Consumers need this opt-in;
+		// noEmit:true means no rewrite flag is required.
+		"allowImportingTsExtensions": true,
 		"strict": true,
 		"esModuleInterop": true,
 		"skipLibCheck": true,
diff --git a/games/arcade/apps/web/tsconfig.json b/games/arcade/apps/web/tsconfig.json
index a8f10c8e3..9637d322e 100644
--- a/games/arcade/apps/web/tsconfig.json
+++ b/games/arcade/apps/web/tsconfig.json
@@ -9,6 +9,7 @@
 		"skipLibCheck": true,
 		"sourceMap": true,
 		"strict": true,
-		"moduleResolution": "bundler"
+		"moduleResolution": "bundler",
+		"allowImportingTsExtensions": true
 	}
 }
diff --git a/packages/shared-types/tsconfig.json b/packages/shared-types/tsconfig.json
index c828b6630..321216a6c 100644
--- a/packages/shared-types/tsconfig.json
+++ b/packages/shared-types/tsconfig.json
@@ -3,6 +3,12 @@
 		"target": "ES2022",
 		"module": "ESNext",
 		"moduleResolution": "bundler",
+		// src/index.ts re-exports with explicit .ts extensions (needed so
+		// Tailwind's module resolver can follow the package out of its
+		// bundler when scanning branded components). noEmit:true means
+		// the rewrite flag isn't needed — this is the matching compiler
+		// opt-in that lets tsc see the .ts imports without erroring.
+		"allowImportingTsExtensions": true,
 		"lib": ["ES2022"],
 		"strict": true,
 		"esModuleInterop": true,
diff --git a/services/mana-landing-builder/tsconfig.json b/services/mana-landing-builder/tsconfig.json
index 137403b56..f0ae77488 100644
--- a/services/mana-landing-builder/tsconfig.json
+++ b/services/mana-landing-builder/tsconfig.json
@@ -6,6 +6,8 @@
 		"emitDecoratorMetadata": true,
 		"experimentalDecorators": true,
 		"allowSyntheticDefaultImports": true,
+		"allowImportingTsExtensions": true,
+		"rewriteRelativeImportExtensions": true,
 		"target": "ES2022",
 		"sourceMap": true,
 		"outDir": "./dist",