diff --git a/buildDEV.bat b/buildDEV.bat
new file mode 100644
index 000000000..655e3e282
--- /dev/null
+++ b/buildDEV.bat
@@ -0,0 +1,168 @@
+rem Builds all packages and demos in dev mode (no minification, with source maps, no tests, no lint)
+rem Use this for browser debugging. The resulting bundles will be unminified and include source maps.
+
+call node --version
+call npm --version
+
+rem Install all demos first so that npm install can symlink the packages
+pushd demos\compareJSON
+call npm install
+popd
+
+pushd demos\compareSolutions
+call npm install
+popd
+
+pushd demos\copyItemInfo
+call npm install
+popd
+
+pushd demos\copySolutions
+call npm install
+popd
+
+pushd demos\createSolution
+call npm install
+popd
+
+pushd demos\deleteSolution
+call npm install
+popd
+
+pushd demos\deploySolution
+call npm install
+popd
+
+pushd demos\getItemInfo
+call npm install
+popd
+
+pushd demos\implementedTypes
+call npm install
+popd
+
+pushd demos\recreateSolution
+call npm install
+popd
+
+pushd demos\reuseDeployedItems
+call npm install
+popd
+
+pushd demos\verifySolution
+call npm install
+popd
+
+rem Install root and build all packages with source maps enabled
+call npm install
+
+rem Build packages (ESM + CJS) — pass dev-only compiler overrides
+call npm run build:esm -- -- --sourceMap --declarationMap
+call npm run build:cjs -- -- --sourceMap --declarationMap
+
+call commit-stamp.bat
+
+rem Delete dist package.json files (root, esm, and cjs) so that webpack does not
+rem treat the compiled output as strict ESM. The dist/esm/package.json contains
+rem {"type":"module"}, which forces webpack to require explicit .js extensions
+rem on every relative import — but the TypeScript output uses extensionless
+rem paths, so resolution fails. The standard build.bat deletes these for the
+rem same reason.
+del/q packages\common\dist\package.json 2>nul
+del/q packages\common\dist\cjs\package.json 2>nul
+del/q packages\common\dist\esm\package.json 2>nul
+del/q packages\creator\dist\package.json 2>nul
+del/q packages\creator\dist\cjs\package.json 2>nul
+del/q packages\creator\dist\esm\package.json 2>nul
+del/q packages\deployer\dist\package.json 2>nul
+del/q packages\deployer\dist\cjs\package.json 2>nul
+del/q packages\deployer\dist\esm\package.json 2>nul
+del/q packages\feature-layer\dist\package.json 2>nul
+del/q packages\feature-layer\dist\cjs\package.json 2>nul
+del/q packages\feature-layer\dist\esm\package.json 2>nul
+del/q packages\file\dist\package.json 2>nul
+del/q packages\file\dist\cjs\package.json 2>nul
+del/q packages\file\dist\esm\package.json 2>nul
+del/q packages\form\dist\package.json 2>nul
+del/q packages\form\dist\cjs\package.json 2>nul
+del/q packages\form\dist\esm\package.json 2>nul
+del/q packages\group\dist\package.json 2>nul
+del/q packages\group\dist\cjs\package.json 2>nul
+del/q packages\group\dist\esm\package.json 2>nul
+del/q packages\hub-types\dist\package.json 2>nul
+del/q packages\hub-types\dist\cjs\package.json 2>nul
+del/q packages\hub-types\dist\esm\package.json 2>nul
+del/q packages\simple-types\dist\package.json 2>nul
+del/q packages\simple-types\dist\cjs\package.json 2>nul
+del/q packages\simple-types\dist\esm\package.json 2>nul
+del/q packages\storymap\dist\package.json 2>nul
+del/q packages\storymap\dist\cjs\package.json 2>nul
+del/q packages\storymap\dist\esm\package.json 2>nul
+del/q packages\velocity\dist\package.json 2>nul
+del/q packages\velocity\dist\cjs\package.json 2>nul
+del/q packages\velocity\dist\esm\package.json 2>nul
+del/q packages\viewer\dist\package.json 2>nul
+del/q packages\viewer\dist\cjs\package.json 2>nul
+del/q packages\viewer\dist\esm\package.json 2>nul
+del/q packages\web-experience\dist\package.json 2>nul
+del/q packages\web-experience\dist\cjs\package.json 2>nul
+del/q packages\web-experience\dist\esm\package.json 2>nul
+del/q packages\web-tool\dist\package.json 2>nul
+del/q packages\web-tool\dist\cjs\package.json 2>nul
+del/q packages\web-tool\dist\esm\package.json 2>nul
+del/q packages\workflow\dist\package.json 2>nul
+del/q packages\workflow\dist\cjs\package.json 2>nul
+del/q packages\workflow\dist\esm\package.json 2>nul
+
+rem Build all demos in development mode (unminified, readable)
+pushd demos\compareJSON
+call npx webpack --mode=development
+popd
+
+pushd demos\compareSolutions
+call npx webpack --mode=development
+popd
+
+pushd demos\copyItemInfo
+call npx webpack --mode=development
+popd
+
+pushd demos\copySolutions
+call npx webpack --mode=development
+popd
+
+pushd demos\createSolution
+call npx webpack --mode=development
+popd
+
+pushd demos\deleteSolution
+call npx webpack --mode=development
+popd
+
+pushd demos\deploySolution
+call npm run prebuild
+call npx webpack --mode=development
+popd
+
+pushd demos\getItemInfo
+call npx webpack --mode=development
+popd
+
+pushd demos\implementedTypes
+call npx webpack --mode=development
+popd
+
+pushd demos\recreateSolution
+call npx webpack --mode=development
+popd
+
+pushd demos\reuseDeployedItems
+call npx webpack --mode=development
+popd
+
+pushd demos\verifySolution
+call npx webpack --mode=development
+popd
+
+echo.
+echo DEV build complete. All demo bundles are unminified with source maps.
diff --git a/demos/compareJSON/package-lock.json b/demos/compareJSON/package-lock.json
index 72d766ce1..f45be8f1d 100644
--- a/demos/compareJSON/package-lock.json
+++ b/demos/compareJSON/package-lock.json
@@ -2344,4 +2344,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/compareJSON/webpack.config.js b/demos/compareJSON/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/compareJSON/webpack.config.js
+++ b/demos/compareJSON/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/compareSolutions/package-lock.json b/demos/compareSolutions/package-lock.json
index 82c65007a..2d013873c 100644
--- a/demos/compareSolutions/package-lock.json
+++ b/demos/compareSolutions/package-lock.json
@@ -2328,4 +2328,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/compareSolutions/webpack.config.js b/demos/compareSolutions/webpack.config.js
index f668c93a1..77e238e19 100644
--- a/demos/compareSolutions/webpack.config.js
+++ b/demos/compareSolutions/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,12 +60,17 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
 
   config.experiments = {
     ...config.experiments,
     topLevelAwait: true
-  }
+  };
 
   return config;
 };
diff --git a/demos/copyItemInfo/package-lock.json b/demos/copyItemInfo/package-lock.json
index 19c4c8e84..386920eef 100644
--- a/demos/copyItemInfo/package-lock.json
+++ b/demos/copyItemInfo/package-lock.json
@@ -2344,4 +2344,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/copyItemInfo/webpack.config.js b/demos/copyItemInfo/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/copyItemInfo/webpack.config.js
+++ b/demos/copyItemInfo/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/copySolutions/package-lock.json b/demos/copySolutions/package-lock.json
index ee332b23f..855d9a769 100644
--- a/demos/copySolutions/package-lock.json
+++ b/demos/copySolutions/package-lock.json
@@ -2719,4 +2719,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/copySolutions/webpack.config.js b/demos/copySolutions/webpack.config.js
index de935d6d9..488dce1e3 100644
--- a/demos/copySolutions/webpack.config.js
+++ b/demos/copySolutions/webpack.config.js
@@ -1,22 +1,32 @@
-const CopyPlugin = require('copy-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
     path: path.resolve(__dirname, 'dist'),
   },
   plugins: [
-    new CopyPlugin({
-      patterns: [
-        { // Image assets
-          from: 'src/images'
-        },
-      ]
-    }),
     new HtmlWebpackPlugin({
       template: 'index.html',
     }),
@@ -24,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -40,6 +55,19 @@ const config = {
   },
 };
 
+module.exports = () => {
+  if (isProduction) {
+    config.mode = 'production';
+  } else {
+    config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
+  }
+  return config;
+};
 module.exports = () => {
   if (isProduction) {
     config.mode = 'production';
diff --git a/demos/createSolution/package-lock.json b/demos/createSolution/package-lock.json
index d112082c8..e9256150c 100644
--- a/demos/createSolution/package-lock.json
+++ b/demos/createSolution/package-lock.json
@@ -2350,4 +2350,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/createSolution/webpack.config.js b/demos/createSolution/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/createSolution/webpack.config.js
+++ b/demos/createSolution/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/deleteSolution/package-lock.json b/demos/deleteSolution/package-lock.json
index 5a4c5d014..33f87faef 100644
--- a/demos/deleteSolution/package-lock.json
+++ b/demos/deleteSolution/package-lock.json
@@ -2351,4 +2351,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/deleteSolution/webpack.config.js b/demos/deleteSolution/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/deleteSolution/webpack.config.js
+++ b/demos/deleteSolution/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/deploySolution/package-lock.json b/demos/deploySolution/package-lock.json
index b62da4706..d81c3f700 100644
--- a/demos/deploySolution/package-lock.json
+++ b/demos/deploySolution/package-lock.json
@@ -2357,4 +2357,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/deploySolution/webpack.config.js b/demos/deploySolution/webpack.config.js
index 05e474c26..8f594ec6c 100644
--- a/demos/deploySolution/webpack.config.js
+++ b/demos/deploySolution/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: {
     main: './src/index.ts',
@@ -26,7 +44,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -47,6 +70,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/getItemInfo/package-lock.json b/demos/getItemInfo/package-lock.json
index 87724023e..21f22acd5 100644
--- a/demos/getItemInfo/package-lock.json
+++ b/demos/getItemInfo/package-lock.json
@@ -2344,4 +2344,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/getItemInfo/webpack.config.js b/demos/getItemInfo/webpack.config.js
index f668c93a1..42b61a300 100644
--- a/demos/getItemInfo/webpack.config.js
+++ b/demos/getItemInfo/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
 
   config.experiments = {
@@ -45,4 +73,4 @@ module.exports = () => {
   }
 
   return config;
-};
+};
\ No newline at end of file
diff --git a/demos/implementedTypes/package-lock.json b/demos/implementedTypes/package-lock.json
index c4a6ae46e..a305740bc 100644
--- a/demos/implementedTypes/package-lock.json
+++ b/demos/implementedTypes/package-lock.json
@@ -2336,4 +2336,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/implementedTypes/webpack.config.js b/demos/implementedTypes/webpack.config.js
index f668c93a1..77e238e19 100644
--- a/demos/implementedTypes/webpack.config.js
+++ b/demos/implementedTypes/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,12 +60,17 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
 
   config.experiments = {
     ...config.experiments,
     topLevelAwait: true
-  }
+  };
 
   return config;
 };
diff --git a/demos/recreateSolution/package-lock.json b/demos/recreateSolution/package-lock.json
index bee5e6fc2..a6c11efa0 100644
--- a/demos/recreateSolution/package-lock.json
+++ b/demos/recreateSolution/package-lock.json
@@ -2314,4 +2314,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/recreateSolution/webpack.config.js b/demos/recreateSolution/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/recreateSolution/webpack.config.js
+++ b/demos/recreateSolution/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/reuseDeployedItems/package-lock.json b/demos/reuseDeployedItems/package-lock.json
index fbdfe09dd..ae5543681 100644
--- a/demos/reuseDeployedItems/package-lock.json
+++ b/demos/reuseDeployedItems/package-lock.json
@@ -2379,4 +2379,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/reuseDeployedItems/webpack.config.js b/demos/reuseDeployedItems/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/reuseDeployedItems/webpack.config.js
+++ b/demos/reuseDeployedItems/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/demos/verifySolution/package-lock.json b/demos/verifySolution/package-lock.json
index cdb673910..1e4e195d3 100644
--- a/demos/verifySolution/package-lock.json
+++ b/demos/verifySolution/package-lock.json
@@ -2350,4 +2350,4 @@
       "license": "MIT"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/demos/verifySolution/webpack.config.js b/demos/verifySolution/webpack.config.js
index 3cbc672d8..0c840fea8 100644
--- a/demos/verifySolution/webpack.config.js
+++ b/demos/verifySolution/webpack.config.js
@@ -3,6 +3,24 @@ const path = require('path');
 
 const isProduction = process.env.NODE_ENV == 'production';
 
+const createDevAliases = () => ({
+  '@esri/solution-common': path.resolve(__dirname, '../../packages/common/src/index.ts'),
+  '@esri/solution-creator': path.resolve(__dirname, '../../packages/creator/src/index.ts'),
+  '@esri/solution-deployer': path.resolve(__dirname, '../../packages/deployer/src/index.ts'),
+  '@esri/solution-feature-layer': path.resolve(__dirname, '../../packages/feature-layer/src/index.ts'),
+  '@esri/solution-file': path.resolve(__dirname, '../../packages/file/src/index.ts'),
+  '@esri/solution-form': path.resolve(__dirname, '../../packages/form/src/index.ts'),
+  '@esri/solution-group': path.resolve(__dirname, '../../packages/group/src/index.ts'),
+  '@esri/solution-hub-types': path.resolve(__dirname, '../../packages/hub-types/src/index.ts'),
+  '@esri/solution-simple-types': path.resolve(__dirname, '../../packages/simple-types/src/index.ts'),
+  '@esri/solution-storymap': path.resolve(__dirname, '../../packages/storymap/src/index.ts'),
+  '@esri/solution-velocity': path.resolve(__dirname, '../../packages/velocity/src/index.ts'),
+  '@esri/solution-viewer': path.resolve(__dirname, '../../packages/viewer/src/index.ts'),
+  '@esri/solution-web-experience': path.resolve(__dirname, '../../packages/web-experience/src/index.ts'),
+  '@esri/solution-web-tool': path.resolve(__dirname, '../../packages/web-tool/src/index.ts'),
+  '@esri/solution-workflow': path.resolve(__dirname, '../../packages/workflow/src/index.ts'),
+});
+
 const config = {
   entry: './src/index.ts',
   output: {
@@ -16,7 +34,12 @@ const config = {
   module: {
     rules: [{
       test: /\.(ts|tsx)$/i,
-      loader: 'ts-loader',
+      use: {
+        loader: 'ts-loader',
+        options: {
+          transpileOnly: !isProduction,
+        },
+      },
       exclude: ['/node_modules/'],
     },{
       test: /\.css$/i,
@@ -37,6 +60,11 @@ module.exports = () => {
     config.mode = 'production';
   } else {
     config.mode = 'development';
+    config.devtool = 'source-map';
+    config.resolve.alias = {
+      ...(config.resolve.alias || {}),
+      ...createDevAliases(),
+    };
   }
   return config;
 };
diff --git a/packages/common/src/arcgisRestJS.ts b/packages/common/src/arcgisRestJS.ts
index d8cf45449..2716c39d5 100644
--- a/packages/common/src/arcgisRestJS.ts
+++ b/packages/common/src/arcgisRestJS.ts
@@ -68,6 +68,14 @@ import {
   queryRelated as restQueryRelated,
 } from "@esri/arcgis-rest-feature-service";
 export {
+  createFeatureService as svcAdminCreateFeatureService,
+  queryFeatures,
+  addFeatures,
+  applyEdits,
+} from "@esri/arcgis-rest-feature-service";
+// TypeScript interfaces (no runtime export); use type-only re-exports to avoid
+// webpack "was not found" warnings.
+export type {
   IAddToServiceDefinitionOptions,
   IAddToServiceDefinitionResult,
   ICreateServiceParams,
@@ -78,12 +86,33 @@ export {
   IQueryRelatedOptions,
   IQueryRelatedResponse,
   IRelatedRecordGroup,
-  createFeatureService as svcAdminCreateFeatureService,
-  queryFeatures,
-  addFeatures,
-  applyEdits,
 } from "@esri/arcgis-rest-feature-service";
 export {
+  addItemData as restAddItemData,
+  addItemRelationship,
+  createFolder,
+  createGroup,
+  createItem,
+  createItemInFolder,
+  moveItem,
+  protectItem,
+  SearchQueryBuilder,
+  getGroupCategorySchema as restGetGroupCategorySchema,
+  getItem,
+  getItemData,
+  getItemResources as restGetItemResources,
+  getUserContent,
+  getPortal as restGetPortal,
+  getPortalUrl,
+  searchGroupContent,
+  setItemAccess,
+  searchGroups as restSearchGroups,
+  removeGroupUsers,
+  removeItem as restRemoveItem,
+} from "@esri/arcgis-rest-portal";
+// TypeScript interfaces / type aliases (no runtime export); use type-only
+// re-exports to avoid webpack "was not found" warnings.
+export type {
   IAddFolderResponse,
   IAddItemDataOptions,
   ICreateItemOptions,
@@ -120,37 +149,11 @@ export {
   IUserGroupOptions,
   IGroupSharingOptions,
   IUserItemOptions,
-  addItemData as restAddItemData,
-  addItemRelationship,
-  createFolder,
-  createGroup,
-  createItem,
-  createItemInFolder,
-  moveItem,
-  protectItem,
-  SearchQueryBuilder,
-  getGroupCategorySchema as restGetGroupCategorySchema,
-  getItem,
-  getItemData,
-  getItemResources as restGetItemResources,
-  getUserContent,
-  getPortal as restGetPortal,
-  getPortalUrl,
-  searchGroupContent,
-  setItemAccess,
-  searchGroups as restSearchGroups,
-  removeGroupUsers,
-  removeItem as restRemoveItem,
 } from "@esri/arcgis-rest-portal";
-export {
-  IArcGISIdentityManagerOptions,
-  ICredential,
-  IRequestOptions,
-  IParams,
-  ArcGISAuthError,
-  encodeFormData,
-  ArcGISIdentityManager as UserSession,
-} from "@esri/arcgis-rest-request";
+export { ArcGISAuthError, encodeFormData, ArcGISIdentityManager as UserSession } from "@esri/arcgis-rest-request";
+// These are TypeScript interfaces (no runtime export from arcgis-rest-request),
+// so re-export them as type-only exports to avoid webpack "was not found" warnings.
+export type { IArcGISIdentityManagerOptions, ICredential, IRequestOptions, IParams } from "@esri/arcgis-rest-request";
 export interface IFolderSuccessResult {
   success: boolean;
   folder: {