diff --git a/packages/api-client/package.json b/packages/api-client/package.json
new file mode 100644
index 0000000..6a9acde
--- /dev/null
+++ b/packages/api-client/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@repo/api-client",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/api-client/src/index.ts b/packages/api-client/src/index.ts
new file mode 100644
index 0000000..6a22c42
--- /dev/null
+++ b/packages/api-client/src/index.ts
@@ -0,0 +1,2 @@
+// @repo/api-client — Shared React Query hooks
+export {};
diff --git a/packages/api-client/tsconfig.json b/packages/api-client/tsconfig.json
new file mode 100644
index 0000000..58343b5
--- /dev/null
+++ b/packages/api-client/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "@repo/typescript-config/react-library.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/api/package.json b/packages/api/package.json
new file mode 100644
index 0000000..8219d3e
--- /dev/null
+++ b/packages/api/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@repo/api",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/api/src/index.ts b/packages/api/src/index.ts
new file mode 100644
index 0000000..9e6a672
--- /dev/null
+++ b/packages/api/src/index.ts
@@ -0,0 +1,2 @@
+// @repo/api — tRPC router definitions
+export {};
diff --git a/packages/api/tsconfig.json b/packages/api/tsconfig.json
new file mode 100644
index 0000000..4f4ddbc
--- /dev/null
+++ b/packages/api/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "@repo/typescript-config/base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/cms-client/package.json b/packages/cms-client/package.json
new file mode 100644
index 0000000..f80cb23
--- /dev/null
+++ b/packages/cms-client/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@repo/cms-client",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/cms-client/src/index.ts b/packages/cms-client/src/index.ts
new file mode 100644
index 0000000..aff6975
--- /dev/null
+++ b/packages/cms-client/src/index.ts
@@ -0,0 +1,2 @@
+// @repo/cms-client — Dual-mode Payload client (local + HTTP)
+export {};
diff --git a/packages/cms-client/tsconfig.json b/packages/cms-client/tsconfig.json
new file mode 100644
index 0000000..4f4ddbc
--- /dev/null
+++ b/packages/cms-client/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "@repo/typescript-config/base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/cms-core/package.json b/packages/cms-core/package.json
new file mode 100644
index 0000000..7dc9e35
--- /dev/null
+++ b/packages/cms-core/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@repo/cms-core",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/cms-core/src/index.ts b/packages/cms-core/src/index.ts
new file mode 100644
index 0000000..5a55285
--- /dev/null
+++ b/packages/cms-core/src/index.ts
@@ -0,0 +1,2 @@
+// @repo/cms-core — Payload CMS config, collections, hooks, globals
+export {};
diff --git a/packages/cms-core/tsconfig.json b/packages/cms-core/tsconfig.json
new file mode 100644
index 0000000..4f4ddbc
--- /dev/null
+++ b/packages/cms-core/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "@repo/typescript-config/base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/core/package.json b/packages/core/package.json
new file mode 100644
index 0000000..70efefb
--- /dev/null
+++ b/packages/core/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@repo/core",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "test": "vitest run",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
new file mode 100644
index 0000000..b2cb5e7
--- /dev/null
+++ b/packages/core/src/index.ts
@@ -0,0 +1,3 @@
+// @repo/core — Clean Architecture core package
+// Layers: entities, application, infrastructure, interface-adapters, di
+export {};
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
new file mode 100644
index 0000000..fd3ed84
--- /dev/null
+++ b/packages/core/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "extends": "@repo/typescript-config/base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "types": ["reflect-metadata"]
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/ui/package.json b/packages/ui/package.json
new file mode 100644
index 0000000..87e53b3
--- /dev/null
+++ b/packages/ui/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@repo/ui",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "test": "vitest run",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*"
+  }
+}
diff --git a/packages/ui/src/index.ts b/packages/ui/src/index.ts
new file mode 100644
index 0000000..0bb7a18
--- /dev/null
+++ b/packages/ui/src/index.ts
@@ -0,0 +1,2 @@
+// @repo/ui — shadcn/ui + Atomic Design component library
+export {};
diff --git a/packages/ui/tsconfig.json b/packages/ui/tsconfig.json
new file mode 100644
index 0000000..58343b5
--- /dev/null
+++ b/packages/ui/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "@repo/typescript-config/react-library.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx"],
+  "exclude": ["node_modules", "dist"]
+}