diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000000..8b83dea584
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,108 @@
+{
+    "env": {
+        "browser": true,
+        "es6": true,
+        "node": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:prettier/recommended"
+    ],
+    "overrides": [
+        {
+            "extends": ["plugin:jsonc/recommended-with-jsonc"],
+            "files": ["*.json"],
+            "parser": "jsonc-eslint-parser",
+            "rules": {
+                "jsonc/sort-keys": ["warn"]
+            }
+        },
+        {
+            "extends": ["plugin:jsonc/recommended-with-jsonc"],
+            "files": ["package.json"],
+            "parser": "jsonc-eslint-parser",
+            "rules": {
+                "jsonc/sort-keys": [
+                    "warn",
+                    {
+                        "hasProperties": ["type"],
+                        "order": [
+                            "$schema",
+                            "name",
+                            "version",
+                            "private",
+                            "description",
+                            "license",
+                            "author",
+                            "maintainers",
+                            "contributors",
+                            "homepage",
+                            "repository",
+                            "bugs",
+                            "type",
+                            "exports",
+                            "main",
+                            "module",
+                            "browser",
+                            "man",
+                            "preferGlobal",
+                            "bin",
+                            "files",
+                            "directories",
+                            "scripts",
+                            "config",
+                            "sideEffects",
+                            "types",
+                            "typings",
+                            "workspaces",
+                            "resolutions",
+                            "dependencies",
+                            "bundleDependencies",
+                            "bundledDependencies",
+                            "peerDependencies",
+                            "peerDependenciesMeta",
+                            "optionalDependencies",
+                            "devDependencies",
+                            "keywords",
+                            "engines",
+                            "engineStrict",
+                            "os",
+                            "cpu",
+                            "publishConfig"
+                        ],
+                        "pathPattern": "^$"
+                    },
+                    {
+                        "order": { "type": "asc" },
+                        "pathPattern": "^(?!exports\\[).*"
+                    }
+                ]
+            }
+        },
+        {
+            "extends": ["./first-gen/.eslintrc.json"],
+            "files": ["first-gen/**/*"]
+        },
+        {
+            "extends": ["./second-gen/.eslintrc.json"],
+            "files": ["second-gen/**/*"]
+        }
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 2020,
+        "sourceType": "module"
+    },
+    "plugins": ["@typescript-eslint"],
+    "root": true,
+    "rules": {
+        "no-console": [
+            "error",
+            {
+                "allow": ["warn", "error"]
+            }
+        ],
+        "no-debugger": 2
+    }
+}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a2176b65a7..914016401d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -122,4 +122,4 @@ jobs:
                   level: error
                   reporter: github-pr-review
                   filter_mode: diff_context
-                  eslint_flags: '${{ needs.changed_files.outputs.eslint_added_files }} ${{ needs.changed_files.outputs.eslint_modified_files }}'
+                  eslint_flags: '--config .eslintrc.json ${{ needs.changed_files.outputs.eslint_added_files }} ${{ needs.changed_files.outputs.eslint_modified_files }}'
diff --git a/first-gen/package.json b/first-gen/package.json
index 0dd61c2951..2b711c9449 100644
--- a/first-gen/package.json
+++ b/first-gen/package.json
@@ -18,6 +18,7 @@
     "scripts": {
         "analyze": "lit-analyzer \"{packages,tools}/*/src/**/!(*.css).ts\"",
         "build": "wireit",
+        "prebuild": "wireit",
         "build:clear-cache": "rimraf packages/*/tsconfig.tsbuildinfo && rimraf tools/*/tsconfig.tsbuildinfo",
         "build:confirm": "node ./scripts/confirm-build.js",
         "build:css": "wireit",
@@ -62,7 +63,8 @@
         "process-icons": "wireit",
         "publish:react": "yarn changeset publish --no-git-tag --tag latest --no-push",
         "push-to-remote": "git add . && git commit -m \"chore: release new versions #publish\" && git push",
-        "start": "yarn storybook",
+        "dev:core": "yarn workspace @swc/core dev",
+        "start": "run-p dev:core storybook",
         "storybook": "wireit",
         "storybook:build": "NODE_ENV=production storybook build -o projects/documentation/dist/storybook -c storybook",
         "storybook:quick": "run-p build:watch storybook:run",
@@ -82,7 +84,7 @@
         "test:visual:clean:current": "rimraf test/visual/screenshots-current",
         "test:watch": "yarn test:watch:focus unit",
         "test:watch:flags:focus": "yarn build && run-p build:watch \"test:start --watch --group {1} --config web-test-runner.config.ci-chromium-flags.js\" --",
-        "test:watch:focus": "yarn build && run-p build:watch \"test:start --watch --group {1}\" --",
+        "test:watch:focus": "yarn dev:core & yarn build && run-p build:watch \"test:start --watch --group {1}\" --",
         "version:update": "genversion --verbose --semi --esm ./tools/base/src/version.js",
         "vrt:preview": "yarn wds --config test/visual/wds-vrt.config.js"
     },
@@ -221,10 +223,21 @@
     "wireit": {
         "build": {
             "dependencies": [
+                "prebuild",
                 "build:ts",
                 "build:types"
             ]
         },
+        "prebuild": {
+            "command": "yarn workspace @swc/core build",
+            "files": [
+                "../second-gen/packages/core/components/**/*",
+                "../second-gen/packages/core/shared/**/*",
+                "../second-gen/packages/core/package.json",
+                "../second-gen/packages/core/vite.config.js",
+                "../second-gen/packages/core/tsconfig.json"
+            ]
+        },
         "build:css": {
             "clean": "if-file-deleted",
             "command": "node ./scripts/build-css.js",
diff --git a/package.json b/package.json
index 36a5b52186..bec12a5687 100644
--- a/package.json
+++ b/package.json
@@ -15,11 +15,19 @@
     },
     "type": "module",
     "scripts": {
-        "build": "yarn workspace @adobe/spectrum-web-components build",
-        "test": "yarn workspace @adobe/spectrum-web-components test",
-        "start": "yarn workspace @adobe/spectrum-web-components storybook",
-        "lint": "yarn workspace @adobe/spectrum-web-components lint",
-        "postinstall": "husky || true && patch-package"
+        "build": "yarn build:*",
+        "build:first-gen": "yarn workspace @adobe/spectrum-web-components build",
+        "build:second-gen": "yarn workspace @adobe/swc build",
+        "lint": "yarn lint:*",
+        "lint:first-gen": "yarn workspace @adobe/spectrum-web-components lint",
+        "lint:second-gen": "yarn workspace @adobe/swc lint",
+        "postinstall": "husky || true && patch-package",
+        "start": "yarn start:*",
+        "start:first-gen": "yarn workspace @adobe/spectrum-web-components start",
+        "start:second-gen": "yarn workspace @adobe/swc start",
+        "test": "yarn test:*",
+        "test:first-gen": "yarn workspace @adobe/spectrum-web-components test",
+        "test:second-gen": "yarn workspace @adobe/swc test"
     },
     "workspaces": [
         "first-gen",
@@ -32,6 +40,15 @@
     "resolutions": {
         "playwright": "1.53.1"
     },
+    "devDependencies": {
+        "@changesets/cli": "2.29.7",
+        "@commitlint/cli": "19.8.1",
+        "@commitlint/config-conventional": "^19.8.1",
+        "husky": "9.1.7",
+        "lint-staged": "^16.1.2",
+        "patch-package": "^8.0.0",
+        "replace-in-file": "^8.3.0"
+    },
     "keywords": [
         "design-system",
         "spectrum",
@@ -42,15 +59,6 @@
         "lit-element",
         "lit-html"
     ],
-    "devDependencies": {
-        "@changesets/cli": "2.29.7",
-        "@commitlint/cli": "19.8.1",
-        "@commitlint/config-conventional": "^19.8.1",
-        "husky": "9.1.7",
-        "lint-staged": "^16.1.2",
-        "patch-package": "^8.0.0",
-        "replace-in-file": "^8.3.0"
-    },
     "engines": {
         "node": ">=20",
         "yarn": ">=4.6.0"
diff --git a/second-gen/package.json b/second-gen/package.json
index 9698a3e147..f6036b2de2 100644
--- a/second-gen/package.json
+++ b/second-gen/package.json
@@ -1,5 +1,5 @@
 {
-    "name": "@adobe/spectrum-web-components-2nd-gen",
+    "name": "@adobe/swc",
     "version": "0.0.1",
     "private": true,
     "description": "Second generation Spectrum Web Components with modern tooling and architecture",
@@ -16,10 +16,10 @@
     },
     "type": "module",
     "scripts": {
-        "build": "yarn workspaces foreach --from '@swc/*' run build",
-        "clean": "yarn workspaces foreach --from '@swc/*' run clean",
+        "build": "yarn workspaces foreach --from '@swc/*' --recursive run build",
+        "clean": "yarn workspaces foreach --from '@swc/*' --recursive run clean",
         "lint": "eslint . --ext .ts,.js,.json",
-        "storybook": "yarn workspace @swc/components storybook",
+        "start": "yarn workspace @swc/core dev & yarn workspace @swc/components cem:watch & yarn workspace @swc/components storybook",
         "storybook:build": "yarn workspace @swc/components storybook:build",
         "test": "yarn workspace @swc/components test"
     },
diff --git a/second-gen/packages/swc/components/progress-circle/ProgressCircle.ts b/second-gen/packages/swc/components/progress-circle/ProgressCircle.ts
index e4e0eff7a9..3ef202ba6b 100644
--- a/second-gen/packages/swc/components/progress-circle/ProgressCircle.ts
+++ b/second-gen/packages/swc/components/progress-circle/ProgressCircle.ts
@@ -11,10 +11,10 @@
  */
 
 import { CSSResultArray, html, TemplateResult } from 'lit';
+import { property } from 'lit/decorators.js';
 import { classMap } from 'lit/directives/class-map.js';
 
 import { ProgressCircleBase } from '@swc/core/components/progress-circle';
-import { property } from '@spectrum-web-components/base/src/decorators.js';
 
 import progressCircleStyles from './progress-circle.css';
 
diff --git a/second-gen/packages/swc/package.json b/second-gen/packages/swc/package.json
index 34d427a3ef..a09ee9139b 100644
--- a/second-gen/packages/swc/package.json
+++ b/second-gen/packages/swc/package.json
@@ -35,11 +35,13 @@
     ],
     "scripts": {
         "build": "vite build",
+        "cem:watch": "cem analyze --watch",
         "clean": "rimraf dist",
         "dev": "vite build --watch",
+        "prestorybook": "cem analyze",
         "storybook": "storybook dev -p 6006",
         "storybook:build": "storybook build",
-        "test": "vitest",
+        "test": "yarn workspace @swc/core dev & vitest",
         "test:coverage": "vitest --coverage",
         "test:ui": "vitest --ui"
     },
@@ -87,5 +89,5 @@
     "engines": {
         "node": ">=20"
     },
-    "customElements": ".storybook/custom-elements.json"
+    "customElements": "custom-elements.json"
 }
diff --git a/yarn.lock b/yarn.lock
index 6587e190aa..1c93f13288 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -170,14 +170,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@adobe/spectrum-web-components-2nd-gen@workspace:second-gen":
-  version: 0.0.0-use.local
-  resolution: "@adobe/spectrum-web-components-2nd-gen@workspace:second-gen"
-  dependencies:
-    eslint-plugin-simple-import-sort: "npm:^12.1.1"
-  languageName: unknown
-  linkType: soft
-
 "@adobe/spectrum-web-components-monorepo@workspace:.":
   version: 0.0.0-use.local
   resolution: "@adobe/spectrum-web-components-monorepo@workspace:."
@@ -308,6 +300,14 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@adobe/swc@workspace:second-gen":
+  version: 0.0.0-use.local
+  resolution: "@adobe/swc@workspace:second-gen"
+  dependencies:
+    eslint-plugin-simple-import-sort: "npm:^12.1.1"
+  languageName: unknown
+  linkType: soft
+
 "@ampproject/remapping@npm:^2.3.0":
   version: 2.3.0
   resolution: "@ampproject/remapping@npm:2.3.0"