diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45d058d..364d25e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -230,6 +230,35 @@ jobs:
         run: pnpm exec tsc --noEmit -p tsconfig.lambda.json
         working-directory: templates/snippets
 
+  # Generates a real project per target with setup-project.sh and type-checks
+  # it. Unlike typecheck-templates this has no lockfile on purpose: it installs
+  # whatever `pnpm add` resolves today, so a dependency release that breaks
+  # freshly generated projects (e.g. the TypeScript 6 @types auto-include
+  # removal, #119) fails here instead of only on user machines.
+  generated-projects:
+    name: Generate & Type-check (${{ matrix.platform }})
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [cloudflare, node, lambda, railway, fly]
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 22
+
+      - run: corepack enable
+
+      - name: Generate project
+        run: ./scripts/setup-project.sh demo-${{ matrix.platform }} --${{ matrix.platform }}
+
+      - name: Type-check generated project
+        run: pnpm typecheck
+        working-directory: demo-${{ matrix.platform }}/api
+
   check-links:
     name: Check Markdown Links
     runs-on: ubuntu-latest
diff --git a/scripts/setup-project.sh b/scripts/setup-project.sh
old mode 100644
new mode 100755
index cb064ec..8f47778
--- a/scripts/setup-project.sh
+++ b/scripts/setup-project.sh
@@ -124,7 +124,16 @@ make_dirs "$TARGET_DIR/docs"
 success "Directory structure created."
 
 step "Copying shared configuration templates..."
-copy_file "$TEMPLATES_DIR/shared/tsconfig.json"      "$API_DIR/tsconfig.json"
+# TypeScript 6 no longer auto-includes node_modules/@types/*, so each target
+# gets a tsconfig.json that opts into its globals via "types" on top of the
+# shared base. templates/snippets/tsconfig.*.json extend the same per-target
+# files, so the typecheck-templates CI job checks exactly what ships here.
+copy_file "$TEMPLATES_DIR/shared/tsconfig.base.json" "$API_DIR/tsconfig.base.json"
+if [[ "$PLATFORM" == "cloudflare" ]]; then
+  copy_file "$TEMPLATES_DIR/shared/tsconfig.cloudflare.json" "$API_DIR/tsconfig.json"
+else
+  copy_file "$TEMPLATES_DIR/shared/tsconfig.node.json"       "$API_DIR/tsconfig.json"
+fi
 copy_file "$TEMPLATES_DIR/shared/eslint.config.js"   "$API_DIR/eslint.config.js"
 copy_file "$TEMPLATES_DIR/shared/prettier.config.js" "$API_DIR/prettier.config.js"
 copy_file "$TEMPLATES_DIR/shared/vitest.config.ts"   "$API_DIR/vitest.config.ts"
@@ -176,9 +185,12 @@ run_cmd pnpm add hono drizzle-orm postgres zod @hono/zod-validator
 success "Production dependencies installed."
 
 step "Installing dev dependencies..."
-# NOTE: @types/node and @cloudflare/workers-types (added per-platform below)
-# also live in templates/snippets/package.json — bump in both places.
-run_cmd pnpm add -D vitest typescript eslint prettier drizzle-kit @types/node tsx \
+# NOTE: @types/node and @cloudflare/workers-types (added in the cloudflare
+# branch below) also live in templates/snippets/package.json — bump in both
+# places. typescript is pinned to its major because a new major can change how
+# generated projects compile (TS 6 stopped auto-including @types/*); bump it
+# deliberately, together with the snippets and the shared tsconfig templates.
+run_cmd pnpm add -D vitest typescript@^6 eslint prettier drizzle-kit @types/node tsx \
   @eslint/js typescript-eslint @vitest/coverage-v8
 success "Dev dependencies installed."
 
@@ -248,7 +260,8 @@ success "Initial source files created."
 # ---- Platform-specific setup ----
 if [[ "$PLATFORM" == "cloudflare" ]]; then
   step "Setting up Cloudflare Workers..."
-  run_cmd pnpm add -D wrangler
+  # @cloudflare/workers-types backs the "types" entry in the cloudflare tsconfig
+  run_cmd pnpm add -D wrangler @cloudflare/workers-types
   copy_file "$TEMPLATES_DIR/cloudflare-workers/wrangler.toml" "$API_DIR/wrangler.toml"
 
   write_file "$API_DIR/.dev.vars.example" << 'DVEOF'
diff --git a/templates/docker/Dockerfile b/templates/docker/Dockerfile
index 6639989..fe3bd11 100644
--- a/templates/docker/Dockerfile
+++ b/templates/docker/Dockerfile
@@ -13,7 +13,7 @@ COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 
 # Copy source code
-COPY tsconfig.json drizzle.config.ts ./
+COPY tsconfig.json tsconfig.base.json drizzle.config.ts ./
 COPY src/ ./src/
 
 # Build the application
diff --git a/templates/node-server/Dockerfile b/templates/node-server/Dockerfile
index 6639989..fe3bd11 100644
--- a/templates/node-server/Dockerfile
+++ b/templates/node-server/Dockerfile
@@ -13,7 +13,7 @@ COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 
 # Copy source code
-COPY tsconfig.json drizzle.config.ts ./
+COPY tsconfig.json tsconfig.base.json drizzle.config.ts ./
 COPY src/ ./src/
 
 # Build the application
diff --git a/templates/shared/tsconfig.json b/templates/shared/tsconfig.base.json
similarity index 100%
rename from templates/shared/tsconfig.json
rename to templates/shared/tsconfig.base.json
diff --git a/templates/shared/tsconfig.cloudflare.json b/templates/shared/tsconfig.cloudflare.json
new file mode 100644
index 0000000..fdeb566
--- /dev/null
+++ b/templates/shared/tsconfig.cloudflare.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "types": [
+      "@cloudflare/workers-types",
+      "node"
+    ]
+  }
+}
diff --git a/templates/shared/tsconfig.node.json b/templates/shared/tsconfig.node.json
new file mode 100644
index 0000000..14e2c7f
--- /dev/null
+++ b/templates/shared/tsconfig.node.json
@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "types": [
+      "node"
+    ]
+  }
+}
diff --git a/templates/snippets/tsconfig.cloudflare.json b/templates/snippets/tsconfig.cloudflare.json
index 0ac4652..fb0639b 100644
--- a/templates/snippets/tsconfig.cloudflare.json
+++ b/templates/snippets/tsconfig.cloudflare.json
@@ -1,9 +1,8 @@
 {
-  "extends": "../shared/tsconfig.json",
+  "extends": "../shared/tsconfig.cloudflare.json",
   "compilerOptions": {
     "noEmit": true,
     "moduleResolution": "bundler",
-    "types": ["@cloudflare/workers-types", "node"],
     "rootDir": ".",
     "rootDirs": ["shared/src", "cloudflare/src"],
     "paths": {}
diff --git a/templates/snippets/tsconfig.lambda.json b/templates/snippets/tsconfig.lambda.json
index a9c627e..3abc9a1 100644
--- a/templates/snippets/tsconfig.lambda.json
+++ b/templates/snippets/tsconfig.lambda.json
@@ -1,9 +1,8 @@
 {
-  "extends": "../shared/tsconfig.json",
+  "extends": "../shared/tsconfig.node.json",
   "compilerOptions": {
     "noEmit": true,
     "moduleResolution": "bundler",
-    "types": ["node"],
     "rootDir": ".",
     "rootDirs": ["shared/src", "aws-lambda/src"],
     "paths": {}
diff --git a/templates/snippets/tsconfig.node.json b/templates/snippets/tsconfig.node.json
index 8899b3e..a2987a0 100644
--- a/templates/snippets/tsconfig.node.json
+++ b/templates/snippets/tsconfig.node.json
@@ -1,9 +1,8 @@
 {
-  "extends": "../shared/tsconfig.json",
+  "extends": "../shared/tsconfig.node.json",
   "compilerOptions": {
     "noEmit": true,
     "moduleResolution": "bundler",
-    "types": ["node"],
     "rootDir": ".",
     "rootDirs": ["shared/src", "node/src"],
     "paths": {}