diff --git a/.github/workflows/windows-web-build.yml b/.github/workflows/windows-web-build.yml
new file mode 100644
index 000000000..222c92329
--- /dev/null
+++ b/.github/workflows/windows-web-build.yml
@@ -0,0 +1,36 @@
+name: Windows Build
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  windows-build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      # --- Build web_core first ---
+      - name: Install web_core deps
+        working-directory: renderers/web_core
+        run: npm install
+
+      - name: Build web_core
+        working-directory: renderers/web_core
+        run: npm run build
+
+      # --- Then build lit ---
+      - name: Install lit deps
+        working-directory: renderers/lit
+        run: npm install
+
+      - name: Build lit
+        working-directory: renderers/lit
+        run: npm run build
diff --git a/renderers/lit/package-lock.json b/renderers/lit/package-lock.json
index bc14ae01b..9b04a6086 100644
--- a/renderers/lit/package-lock.json
+++ b/renderers/lit/package-lock.json
@@ -13,18 +13,21 @@
         "@lit-labs/signals": "^0.1.3",
         "@lit/context": "^1.1.4",
         "lit": "^3.3.1",
+        "markdown-it": "^14.1.0",
         "signal-utils": "^0.21.1"
       },
       "devDependencies": {
         "@types/node": "^24.10.1",
+        "cpy-cli": "^5.0.0",
         "google-artifactregistry-auth": "^3.5.0",
+        "mkdirp": "^1.0.4",
         "typescript": "^5.8.3",
         "wireit": "^0.15.0-pre.2"
       }
     },
     "../web_core": {
       "name": "@a2ui/web_core",
-      "version": "0.8.2",
+      "version": "0.8.3",
       "license": "Apache-2.0",
       "dependencies": {
         "rxjs": "^7.8.2",
@@ -32,6 +35,8 @@
       },
       "devDependencies": {
         "@types/node": "^24.11.0",
+        "cpy-cli": "^5.0.0",
+        "mkdirp": "^1.0.4",
         "typescript": "^5.8.3",
         "wireit": "^0.15.0-pre.2",
         "zod-to-json-schema": "^3.25.1"
@@ -539,6 +544,23 @@
         "node": ">= 14"
       }
     },
+    "node_modules/aggregate-error": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-4.0.1.tgz",
+      "integrity": "sha512-0poP0T7el6Vq3rstR8Mn4V/IQrpBLO6POkUSrN7RhyY+GF/InCFShQzsQ39T25gkHhLgSLByyAz+Kjb+c2L98w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "clean-stack": "^4.0.0",
+        "indent-string": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "5.0.1",
       "dev": true,
@@ -575,9 +597,21 @@
     },
     "node_modules/argparse": {
       "version": "2.0.1",
-      "dev": true,
       "license": "Python-2.0"
     },
+    "node_modules/arrify": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-3.0.0.tgz",
+      "integrity": "sha512-tLkvA81vQG/XqE2mjDkGQHoOINtMHtysSnemrmoGe6PydDPMRbVugqyk4A6V/WDWEfm3l+0d8anA9r8cv/5Jaw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/balanced-match": {
       "version": "3.0.1",
       "dev": true,
@@ -674,6 +708,22 @@
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/clean-stack": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-4.2.0.tgz",
+      "integrity": "sha512-LYv6XPxoyODi36Dp976riBtSY27VmFo+MKqEU9QCCWyTrdEPDog+RWA7xQWHi6Vbp61j5c4cdzzX1NidnwtUWg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "escape-string-regexp": "5.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/cliui": {
       "version": "8.0.1",
       "dev": true,
@@ -703,6 +753,67 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/cp-file": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-10.0.0.tgz",
+      "integrity": "sha512-vy2Vi1r2epK5WqxOLnskeKeZkdZvTKfFZQCplE3XWsP+SUJyd5XAUFC9lFgTjjXJF2GMne/UML14iEmkAaDfFg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "graceful-fs": "^4.2.10",
+        "nested-error-stacks": "^2.1.1",
+        "p-event": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/cpy": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/cpy/-/cpy-10.1.0.tgz",
+      "integrity": "sha512-VC2Gs20JcTyeQob6UViBLnyP0bYHkBh6EiKzot9vi2DmeGlFT9Wd7VG3NBrkNx/jYvFBeyDOMMHdHQhbtKLgHQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "arrify": "^3.0.0",
+        "cp-file": "^10.0.0",
+        "globby": "^13.1.4",
+        "junk": "^4.0.1",
+        "micromatch": "^4.0.5",
+        "nested-error-stacks": "^2.1.1",
+        "p-filter": "^3.0.0",
+        "p-map": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/cpy-cli": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/cpy-cli/-/cpy-cli-5.0.0.tgz",
+      "integrity": "sha512-fb+DZYbL9KHc0BC4NYqGRrDIJZPXUmjjtqdw4XRRg8iV8dIfghUX/WiL+q4/B/KFTy3sK6jsbUhBaz0/Hxg7IQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cpy": "^10.1.0",
+        "meow": "^12.0.1"
+      },
+      "bin": {
+        "cpy": "cli.js"
+      },
+      "engines": {
+        "node": ">=16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/debug": {
       "version": "4.4.3",
       "dev": true,
@@ -719,6 +830,19 @@
         }
       }
     },
+    "node_modules/dir-glob": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
+      "integrity": "sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "path-type": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/ecdsa-sig-formatter": {
       "version": "1.0.11",
       "dev": true,
@@ -732,6 +856,18 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/entities": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
+      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.2.0",
       "dev": true,
@@ -740,6 +876,19 @@
         "node": ">=6"
       }
     },
+    "node_modules/escape-string-regexp": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-5.0.0.tgz",
+      "integrity": "sha512-/veY75JbMK4j1yjvuUxuVsiS/hr/4iHs9FTT6cgTexxdE0Ly/glccBAkloH/DofkjRbZU3bnoj38mOmhkZ0lHw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/extend": {
       "version": "3.0.2",
       "dev": true,
@@ -838,6 +987,26 @@
         "node": ">= 6"
       }
     },
+    "node_modules/globby": {
+      "version": "13.2.2",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-13.2.2.tgz",
+      "integrity": "sha512-Y1zNGV+pzQdh7H39l9zgB4PJqjRNqydvdYCDG4HFXM4XuvSaQQlEc91IU1yALL8gUTDomgBAfz3XJdmUS+oo0w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "dir-glob": "^3.0.1",
+        "fast-glob": "^3.3.0",
+        "ignore": "^5.2.4",
+        "merge2": "^1.4.1",
+        "slash": "^4.0.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/google-artifactregistry-auth": {
       "version": "3.5.0",
       "dev": true,
@@ -904,6 +1073,29 @@
         "node": ">= 14"
       }
     },
+    "node_modules/ignore": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
+      "integrity": "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
+    "node_modules/indent-string": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-5.0.0.tgz",
+      "integrity": "sha512-m6FAo/spmsW2Ab2fU35JTYwtOKa2yAwXSwgjSv1TJzh4Mh7mC3lzAOVLBprb72XsTrgkEIsl7YrFNAiDiRhIGg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "dev": true,
@@ -985,6 +1177,19 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/junk": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/junk/-/junk-4.0.1.tgz",
+      "integrity": "sha512-Qush0uP+G8ZScpGMZvHUiRfI0YBWuB3gVBYlI0v0vvOJt5FLicco+IkP0a50LqTTQhmts/m6tP5SWE+USyIvcQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/jwa": {
       "version": "2.0.1",
       "dev": true,
@@ -1004,6 +1209,15 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "node_modules/linkify-it": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-5.0.0.tgz",
+      "integrity": "sha512-5aHCbzQRADcdP+ATqnDuhhJ/MRIqDkZX5pyjFHRRysS8vZ5AbqGEoFIb6pYHPZ+L/OC2Lc+xT8uHVVR5CAK/wQ==",
+      "license": "MIT",
+      "dependencies": {
+        "uc.micro": "^2.0.0"
+      }
+    },
     "node_modules/lit": {
       "version": "3.3.2",
       "license": "BSD-3-Clause",
@@ -1029,6 +1243,42 @@
         "@types/trusted-types": "^2.0.2"
       }
     },
+    "node_modules/markdown-it": {
+      "version": "14.1.1",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-14.1.1.tgz",
+      "integrity": "sha512-BuU2qnTti9YKgK5N+IeMubp14ZUKUUw7yeJbkjtosvHiP0AZ5c8IAgEMk79D0eC8F23r4Ac/q8cAIFdm2FtyoA==",
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1",
+        "entities": "^4.4.0",
+        "linkify-it": "^5.0.0",
+        "mdurl": "^2.0.0",
+        "punycode.js": "^2.3.1",
+        "uc.micro": "^2.1.0"
+      },
+      "bin": {
+        "markdown-it": "bin/markdown-it.mjs"
+      }
+    },
+    "node_modules/mdurl": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-2.0.0.tgz",
+      "integrity": "sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==",
+      "license": "MIT"
+    },
+    "node_modules/meow": {
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/meow/-/meow-12.1.1.tgz",
+      "integrity": "sha512-BhXM0Au22RwUneMPwSCnyhTOizdWoIEPU9sp0Aqa1PnDMR5Wv2FGXYDjuzJEIX+Eo2Rb8xuYe5jrnm5QowQFkw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=16.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/merge2": {
       "version": "1.4.1",
       "dev": true,
@@ -1049,11 +1299,31 @@
         "node": ">=8.6"
       }
     },
+    "node_modules/mkdirp": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "mkdirp": "bin/cmd.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/nested-error-stacks": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/nested-error-stacks/-/nested-error-stacks-2.1.1.tgz",
+      "integrity": "sha512-9iN1ka/9zmX1ZvLV9ewJYEk9h7RyRRtqdK0woXcqohu8EWIerfPUjYJPg0ULy0UqP7cslmdGc8xKDJcojlKiaw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/node-fetch": {
       "version": "2.7.0",
       "dev": true,
@@ -1081,6 +1351,90 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/p-event": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/p-event/-/p-event-5.0.1.tgz",
+      "integrity": "sha512-dd589iCQ7m1L0bmC5NLlVYfy3TbBEsMUfWx9PyAgPeIcFZ/E2yaTZ4Rz4MiBmmJShviiftHVXOqfnfzJ6kyMrQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "p-timeout": "^5.0.2"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-filter": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/p-filter/-/p-filter-3.0.0.tgz",
+      "integrity": "sha512-QtoWLjXAW++uTX67HZQz1dbTpqBfiidsB6VtQUC9iR85S120+s0T5sO6s+B5MLzFcZkrEd/DGMmCjR+f2Qpxwg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "p-map": "^5.1.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-filter/node_modules/p-map": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/p-map/-/p-map-5.5.0.tgz",
+      "integrity": "sha512-VFqfGDHlx87K66yZrNdI4YGtD70IRyd+zSvgks6mzHPRNkoKy+9EKP4SFC77/vTTQYmRmti7dvqC+m5jBrBAcg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "aggregate-error": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-map": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/p-map/-/p-map-6.0.0.tgz",
+      "integrity": "sha512-T8BatKGY+k5rU+Q/GTYgrEf2r4xRMevAN5mtXc2aPc4rS1j3s+vWTaO2Wag94neXuCAUAs8cxBL9EeB5EA6diw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-timeout": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-5.1.0.tgz",
+      "integrity": "sha512-auFDyzzzGZZZdHz3BtET9VEz0SE/uMEAx7uWfGPucfzEwwe/xH0iVeZibQmANYE/hp9T2+UUZT5m+BKyrDp3Ew==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/path-type": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
+      "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/picomatch": {
       "version": "2.3.1",
       "dev": true,
@@ -1102,6 +1456,15 @@
         "signal-exit": "^3.0.2"
       }
     },
+    "node_modules/punycode.js": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode.js/-/punycode.js-2.3.1.tgz",
+      "integrity": "sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/queue-microtask": {
       "version": "1.2.3",
       "dev": true,
@@ -1214,6 +1577,19 @@
         "signal-polyfill": "^0.2.0"
       }
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+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-4.0.0.tgz",
+      "integrity": "sha512-3dOsAHXXUkQTpOYcoAxLIorMTp4gIQr5IW3iVb7A7lFIp0VHhnynm9izx6TssdrIcVIESAlVjtnO2K8bg+Coew==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "dev": true,
@@ -1266,6 +1642,12 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/uc.micro": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz",
+      "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==",
+      "license": "MIT"
+    },
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       "version": "7.16.0",
       "dev": true,
diff --git a/renderers/lit/package.json b/renderers/lit/package.json
index 301275ffd..fa16537e3 100644
--- a/renderers/lit/package.json
+++ b/renderers/lit/package.json
@@ -28,6 +28,15 @@
     "serve": "wireit"
   },
   "wireit": {
+    "copy-spec": {
+      "command": "mkdirp src/0.8/schemas && cpy \"../../specification/v0_8/json/*.json\" src/0.8/schemas",
+      "files": [
+        "../../specification/v0_8/json/*.json"
+      ],
+      "output": [
+        "src/0.8/schemas/*.json"
+      ]
+    },
     "serve": {
       "command": "vite dev",
       "dependencies": [
@@ -43,6 +52,7 @@
     },
     "build": {
       "dependencies": [
+        "../web_core:build",
         "build:tsc"
       ]
     },
@@ -80,15 +90,18 @@
   "homepage": "https://github.com/google/A2UI/tree/main/web#readme",
   "devDependencies": {
     "@types/node": "^24.10.1",
+    "cpy-cli": "^5.0.0",
     "google-artifactregistry-auth": "^3.5.0",
+    "mkdirp": "^1.0.4",
     "typescript": "^5.8.3",
     "wireit": "^0.15.0-pre.2"
   },
   "dependencies": {
+    "@a2ui/web_core": "file:../web_core",
     "@lit-labs/signals": "^0.1.3",
     "@lit/context": "^1.1.4",
     "lit": "^3.3.1",
-    "signal-utils": "^0.21.1",
-    "@a2ui/web_core": "file:../web_core"
+    "markdown-it": "^14.1.0",
+    "signal-utils": "^0.21.1"
   }
 }
diff --git a/renderers/web_core/package-lock.json b/renderers/web_core/package-lock.json
index df5ef79a1..809623e41 100644
--- a/renderers/web_core/package-lock.json
+++ b/renderers/web_core/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@a2ui/web_core",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@a2ui/web_core",
-      "version": "0.8.2",
+      "version": "0.8.3",
       "license": "Apache-2.0",
       "dependencies": {
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@@ -14,6 +14,8 @@
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         "@types/node": "^24.11.0",
+        "cpy-cli": "^5.0.0",
+        "mkdirp": "^1.0.4",
         "typescript": "^5.8.3",
         "wireit": "^0.15.0-pre.2",
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@@ -21,6 +23,7 @@
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       "license": "MIT",
@@ -34,6 +37,7 @@
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@@ -43,6 +47,7 @@
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.0.tgz",
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       "dev": true,
       "license": "MIT",
       "dependencies": {
         "undici-types": "~7.16.0"
       }
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+    "node_modules/aggregate-error": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-4.0.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "clean-stack": "^4.0.0",
+        "indent-string": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
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       "license": "ISC",
@@ -76,8 +100,22 @@
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+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-3.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -87,6 +125,7 @@
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@@ -99,6 +138,7 @@
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@@ -111,6 +151,7 @@
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@@ -123,6 +164,7 @@
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@@ -145,8 +187,112 @@
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+      "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-4.2.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-10.0.0.tgz",
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+      "license": "MIT",
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+        "graceful-fs": "^4.2.10",
+        "nested-error-stacks": "^2.1.1",
+        "p-event": "^5.0.1"
+      },
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+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/cpy/-/cpy-10.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "cp-file": "^10.0.0",
+        "globby": "^13.1.4",
+        "junk": "^4.0.1",
+        "micromatch": "^4.0.5",
+        "nested-error-stacks": "^2.1.1",
+        "p-filter": "^3.0.0",
+        "p-map": "^6.0.0"
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "resolved": "https://registry.npmjs.org/cpy-cli/-/cpy-cli-5.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cpy": "^10.1.0",
+        "meow": "^12.0.1"
+      },
+      "bin": {
+        "cpy": "cli.js"
+      },
+      "engines": {
+        "node": ">=16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-5.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.3.3.tgz",
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@@ -163,6 +309,7 @@
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@@ -172,6 +319,7 @@
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@@ -182,22 +330,9 @@
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-      "license": "MIT",
-      "optional": true,
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@@ -208,14 +343,59 @@
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+      "license": "MIT",
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+        "fast-glob": "^3.3.0",
+        "ignore": "^5.2.4",
+        "merge2": "^1.4.1",
+        "slash": "^4.0.0"
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+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -228,6 +408,7 @@
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@@ -237,6 +418,7 @@
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@@ -249,6 +431,7 @@
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+      "license": "MIT",
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@@ -482,3 +828,4 @@
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 }
+
diff --git a/renderers/web_core/package.json b/renderers/web_core/package.json
index e52fb2f48..656ff589f 100644
--- a/renderers/web_core/package.json
+++ b/renderers/web_core/package.json
@@ -86,6 +86,8 @@
   "author": "Google",
   "license": "Apache-2.0",
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     "@types/node": "^24.11.0",
     "typescript": "^5.8.3",
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diff --git a/samples/client/lit/package-lock.json b/samples/client/lit/package-lock.json
index da10b239d..bc07b643d 100644
--- a/samples/client/lit/package-lock.json
+++ b/samples/client/lit/package-lock.json
@@ -39,7 +39,9 @@
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