diff --git a/bun.lock b/bun.lock
index 52b060cc06..bb61b83d24 100644
--- a/bun.lock
+++ b/bun.lock
@@ -24,7 +24,7 @@
     },
     "packages/aws-lambda": {
       "name": "@hyperframes/aws-lambda",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@aws-sdk/client-s3": "^3.700.0",
         "@aws-sdk/client-sfn": "^3.700.0",
@@ -57,7 +57,7 @@
     },
     "packages/cli": {
       "name": "@hyperframes/cli",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "bin": {
         "hyperframes": "./bin/hyperframes.mjs",
         "hyperframes-localize-fonts": "./bin/hyperframes-localize-fonts.mjs",
@@ -98,6 +98,7 @@
         "@types/mime-types": "^3.0.1",
         "@types/node": "^25.0.10",
         "ajv": "^8.20.0",
+        "ffprobe-static": "^3.1.0",
         "linkedom": "^0.18.12",
         "picocolors": "^1.1.1",
         "tsup": "^8.0.0",
@@ -111,7 +112,7 @@
     },
     "packages/core": {
       "name": "@hyperframes/core",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@chenglou/pretext": "^0.0.5",
         "@hyperframes/lint": "workspace:*",
@@ -136,7 +137,7 @@
     },
     "packages/engine": {
       "name": "@hyperframes/engine",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@hono/node-server": "^2.0.5",
         "@hyperframes/core": "workspace:^",
@@ -155,7 +156,7 @@
     },
     "packages/gcp-cloud-run": {
       "name": "@hyperframes/gcp-cloud-run",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@google-cloud/storage": "^7.14.0",
         "@google-cloud/workflows": "^4.2.0",
@@ -176,7 +177,7 @@
     },
     "packages/lint": {
       "name": "@hyperframes/lint",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@hyperframes/parsers": "workspace:*",
         "htmlparser2": "^10.1.0",
@@ -194,7 +195,7 @@
     },
     "packages/parsers": {
       "name": "@hyperframes/parsers",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@babel/parser": "^7.27.0",
         "acorn": "^8.17.0",
@@ -214,7 +215,7 @@
     },
     "packages/player": {
       "name": "@hyperframes/player",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@hyperframes/core": "workspace:*",
       },
@@ -229,7 +230,7 @@
     },
     "packages/producer": {
       "name": "@hyperframes/producer",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@fontsource/archivo-black": "^5.2.8",
         "@fontsource/eb-garamond": "^5.2.7",
@@ -274,7 +275,7 @@
     },
     "packages/sdk": {
       "name": "@hyperframes/sdk",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@hyperframes/core": "workspace:*",
         "@hyperframes/parsers": "workspace:*",
@@ -304,7 +305,7 @@
     },
     "packages/shader-transitions": {
       "name": "@hyperframes/shader-transitions",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "html2canvas": "^1.4.1",
       },
@@ -316,7 +317,7 @@
     },
     "packages/studio": {
       "name": "@hyperframes/studio",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@codemirror/autocomplete": "^6.20.1",
         "@codemirror/commands": "^6.10.3",
@@ -368,7 +369,7 @@
     },
     "packages/studio-server": {
       "name": "@hyperframes/studio-server",
-      "version": "0.8.33",
+      "version": "0.8.41",
       "dependencies": {
         "@hyperframes/core": "workspace:*",
         "@hyperframes/parsers": "workspace:*",
@@ -493,15 +494,15 @@
 
     "@babel/helper-plugin-utils": ["@babel/helper-plugin-utils@7.28.6", "", {}, "sha512-S9gzZ/bz83GRysI7gAD4wPT/AI3uCnY+9xn+Mx/KPs2JwHJIz1W8PZkg2cqyt3RNOBM8ejcXhV6y8Og7ly/Dug=="],
 
-    "@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+    "@babel/helper-string-parser": ["@babel/helper-string-parser@7.29.7", "", {}, "sha512-Pb5ijPrZ89GDH8223L4UP8i6QApWxs04RbPQJTeWDV0/keR2E36MeKnyr6LYmUUvqRRI+Iv87SuF1W6ErINzYw=="],
 
-    "@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+    "@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.29.7", "", {}, "sha512-qehxGkRj55h/ff8EMaJ+cYhyaKlHIxqYDn682wQD7RNp9UujOQsHog2uS0r2vzr4pW+sXf90NeeayjcNaX3fFg=="],
 
     "@babel/helper-validator-option": ["@babel/helper-validator-option@7.27.1", "", {}, "sha512-YvjJow9FxbhFFKDSuFnVCe2WxXk1zWc22fFePVNEaWJEu8IrZVlda6N0uHwzZrUM1il7NC9Mlp4MaJYbYd9JSg=="],
 
     "@babel/helpers": ["@babel/helpers@7.29.2", "", { "dependencies": { "@babel/template": "^7.28.6", "@babel/types": "^7.29.0" } }, "sha512-HoGuUs4sCZNezVEKdVcwqmZN8GoHirLUcLaYVNBK2J0DadGtdcqgr3BCbvH8+XUo4NGjNl3VOtSjEKNzqfFgKw=="],
 
-    "@babel/parser": ["@babel/parser@7.29.3", "", { "dependencies": { "@babel/types": "^7.29.0" }, "bin": "./bin/babel-parser.js" }, "sha512-b3ctpQwp+PROvU/cttc4OYl4MzfJUWy6FZg+PMXfzmt/+39iHVF0sDfqay8TQM3JA2EUOyKcFZt75jWriQijsA=="],
+    "@babel/parser": ["@babel/parser@7.29.8", "", { "dependencies": { "@babel/types": "^7.29.8" }, "bin": "./bin/babel-parser.js" }, "sha512-E8lTAYNB1KW+FH+VGJuZM1ioAx2E6oVlvQFRrf5P8ZZmsiJXYAD9vTFV7yyEURNzgh1dFqMZuO6tUwcARbqFCA=="],
 
     "@babel/plugin-transform-react-jsx-self": ["@babel/plugin-transform-react-jsx-self@7.27.1", "", { "dependencies": { "@babel/helper-plugin-utils": "^7.27.1" }, "peerDependencies": { "@babel/core": "^7.0.0-0" } }, "sha512-6UzkCs+ejGdZ5mFFC/OCUrv028ab2fp1znZmCZjAOBKiBK2jXD1O+BPSfX8X2qjJ75fZBMSnQn3Rq2mrBJK2mw=="],
 
@@ -513,7 +514,7 @@
 
     "@babel/traverse": ["@babel/traverse@7.29.0", "", { "dependencies": { "@babel/code-frame": "^7.29.0", "@babel/generator": "^7.29.0", "@babel/helper-globals": "^7.28.0", "@babel/parser": "^7.29.0", "@babel/template": "^7.28.6", "@babel/types": "^7.29.0", "debug": "^4.3.1" } }, "sha512-4HPiQr0X7+waHfyXPZpWPfWL/J7dcN1mx9gL6WdQVMbPnF3+ZhSMs8tCxN7oHddJE9fhNE7+lxdnlyemKfJRuA=="],
 
-    "@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+    "@babel/types": ["@babel/types@7.29.8", "", { "dependencies": { "@babel/helper-string-parser": "^7.29.7", "@babel/helper-validator-identifier": "^7.29.7" } }, "sha512-Vj1jF3cPfxg7OAfoI7QnVKLoILlm2JF9pnVHrX8qx7AHMiYWT+NDAA7jChlNgRS4WTLc/fD1lXLmPixluj+3Gg=="],
 
     "@balena/dockerignore": ["@balena/dockerignore@1.0.2", "", {}, "sha512-wMue2Sy4GAVTk6Ic4tJVcnfdau+gx2EnG7S+uAEe+TWJFqE4YoWN4/H8MSLj4eYJKxGg26lZwboEniNiNwZQ6Q=="],
 
@@ -2169,14 +2170,30 @@
 
     "@aws-cdk/cloud-assembly-schema/semver": ["semver@7.8.0", "", { "bundled": true, "bin": { "semver": "bin/semver.js" } }, "sha512-AcM7dV/5ul4EekoQ29Agm5vri8JNqRyj39o0qpX6vDF2GZrtutZl5RwgD1XnZjiTAfncsJhMI48QQH3sN87YNA=="],
 
+    "@babel/code-frame/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
     "@babel/code-frame/js-tokens": ["js-tokens@4.0.0", "", {}, "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="],
 
+    "@babel/core/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
     "@babel/core/semver": ["semver@6.3.1", "", { "bin": { "semver": "bin/semver.js" } }, "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA=="],
 
+    "@babel/generator/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
     "@babel/helper-compilation-targets/lru-cache": ["lru-cache@5.1.1", "", { "dependencies": { "yallist": "^3.0.2" } }, "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w=="],
 
     "@babel/helper-compilation-targets/semver": ["semver@6.3.1", "", { "bin": { "semver": "bin/semver.js" } }, "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA=="],
 
+    "@babel/helper-module-imports/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@babel/helper-module-transforms/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@babel/helpers/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@babel/template/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@babel/traverse/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
     "@codemirror/lang-markdown/@codemirror/view": ["@codemirror/view@6.42.1", "", { "dependencies": { "@codemirror/state": "^6.6.0", "crelt": "^1.0.6", "style-mod": "^4.1.0", "w3c-keyname": "^2.2.4" } }, "sha512-ToN3oFc0nsxNUYVF5P0ztLgbC4UPPjPtA9aKYhkOKQaZASpOUo6ISXyQLP66ctVwlDc+j6Jv0uK5IFALkiXztg=="],
 
     "@codemirror/lint/@codemirror/view": ["@codemirror/view@6.42.1", "", { "dependencies": { "@codemirror/state": "^6.6.0", "crelt": "^1.0.6", "style-mod": "^4.1.0", "w3c-keyname": "^2.2.4" } }, "sha512-ToN3oFc0nsxNUYVF5P0ztLgbC4UPPjPtA9aKYhkOKQaZASpOUo6ISXyQLP66ctVwlDc+j6Jv0uK5IFALkiXztg=="],
@@ -2195,6 +2212,14 @@
 
     "@puppeteer/browsers/yargs": ["yargs@18.0.0", "", { "dependencies": { "cliui": "^9.0.1", "escalade": "^3.1.1", "get-caller-file": "^2.0.5", "string-width": "^7.2.0", "y18n": "^5.0.5", "yargs-parser": "^22.0.0" } }, "sha512-4UEqdc2RYGHZc7Doyqkrqiln3p9X2DZVxaGbwhn2pi7MrRagKaOcIKe8L3OxYcbhXLgLFUS3zAYuQjKBQgmuNg=="],
 
+    "@types/babel__core/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@types/babel__generator/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@types/babel__template/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
+    "@types/babel__traverse/@babel/types": ["@babel/types@7.29.0", "", { "dependencies": { "@babel/helper-string-parser": "^7.27.1", "@babel/helper-validator-identifier": "^7.28.5" } }, "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A=="],
+
     "anymatch/picomatch": ["picomatch@2.3.2", "", {}, "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA=="],
 
     "aws-cdk-lib/yaml": ["yaml@1.10.3", "", {}, "sha512-vIYeF1u3CjlhAFekPPAk2h/Kv4T3mAkMox5OymRiJQB0spDP10LHvt+K7G9Ny6NuuMAb25/6n1qyUjAcGNf/AA=="],
@@ -2239,10 +2264,6 @@
 
     "jsdom/whatwg-mimetype": ["whatwg-mimetype@5.0.0", "", {}, "sha512-sXcNcHOC51uPGF0P/D4NVtrkjSU2fNsm9iog4ZvZJsL3rjoDAzXZhkm2MWt1y+PUdggKAYVoMAIYcs78wJ51Cw=="],
 
-    "magicast/@babel/parser": ["@babel/parser@7.29.8", "", { "dependencies": { "@babel/types": "^7.29.8" }, "bin": "./bin/babel-parser.js" }, "sha512-E8lTAYNB1KW+FH+VGJuZM1ioAx2E6oVlvQFRrf5P8ZZmsiJXYAD9vTFV7yyEURNzgh1dFqMZuO6tUwcARbqFCA=="],
-
-    "magicast/@babel/types": ["@babel/types@7.29.8", "", { "dependencies": { "@babel/helper-string-parser": "^7.29.7", "@babel/helper-validator-identifier": "^7.29.7" } }, "sha512-Vj1jF3cPfxg7OAfoI7QnVKLoILlm2JF9pnVHrX8qx7AHMiYWT+NDAA7jChlNgRS4WTLc/fD1lXLmPixluj+3Gg=="],
-
     "micromatch/picomatch": ["picomatch@2.3.2", "", {}, "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA=="],
 
     "minizlib/minipass": ["minipass@7.1.3", "", {}, "sha512-tEBHqDnIoM/1rXME1zgka9g6Q2lcoCkxHLuc7ODJ5BxbP5d4c2Z5cGgtXAku59200Cx7diuHTOYfSBD8n6mm8A=="],
@@ -2281,8 +2302,32 @@
 
     "tsx/esbuild": ["esbuild@0.27.7", "", { "optionalDependencies": { "@esbuild/aix-ppc64": "0.27.7", "@esbuild/android-arm": "0.27.7", "@esbuild/android-arm64": "0.27.7", "@esbuild/android-x64": "0.27.7", "@esbuild/darwin-arm64": "0.27.7", "@esbuild/darwin-x64": "0.27.7", "@esbuild/freebsd-arm64": "0.27.7", "@esbuild/freebsd-x64": "0.27.7", "@esbuild/linux-arm": "0.27.7", "@esbuild/linux-arm64": "0.27.7", "@esbuild/linux-ia32": "0.27.7", "@esbuild/linux-loong64": "0.27.7", "@esbuild/linux-mips64el": "0.27.7", "@esbuild/linux-ppc64": "0.27.7", "@esbuild/linux-riscv64": "0.27.7", "@esbuild/linux-s390x": "0.27.7", "@esbuild/linux-x64": "0.27.7", "@esbuild/netbsd-arm64": "0.27.7", "@esbuild/netbsd-x64": "0.27.7", "@esbuild/openbsd-arm64": "0.27.7", "@esbuild/openbsd-x64": "0.27.7", "@esbuild/openharmony-arm64": "0.27.7", "@esbuild/sunos-x64": "0.27.7", "@esbuild/win32-arm64": "0.27.7", "@esbuild/win32-ia32": "0.27.7", "@esbuild/win32-x64": "0.27.7" }, "bin": { "esbuild": "bin/esbuild" } }, "sha512-IxpibTjyVnmrIQo5aqNpCgoACA/dTKLTlhMHihVHhdkxKyPO1uBBthumT0rdHmcsk9uMonIWS0m4FljWzILh3w=="],
 
+    "@babel/core/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/core/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@babel/generator/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/generator/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
     "@babel/helper-compilation-targets/lru-cache/yallist": ["yallist@3.1.1", "", {}, "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="],
 
+    "@babel/helper-module-imports/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/helper-module-imports/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@babel/helpers/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/helpers/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@babel/template/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/template/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@babel/traverse/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@babel/traverse/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
     "@google-cloud/storage/google-auth-library/gcp-metadata": ["gcp-metadata@6.1.1", "", { "dependencies": { "gaxios": "^6.1.1", "google-logging-utils": "^0.0.2", "json-bigint": "^1.0.0" } }, "sha512-a4tiq7E0/5fTjxPAaH4jpjkSv/uCaU2p5KC6HVGrvl0cDjA8iBZv4vv1gyzlmK0ZUKqwpOyQMKzZQe3lTit77A=="],
 
     "@isaacs/cliui/string-width/emoji-regex": ["emoji-regex@9.2.2", "", {}, "sha512-L18DaJsXSUk2+42pv8mLs5jJT2hqFkFE4j21wOmgbUqsZ2hL72NsUU785g9RXgo3s0ZNgVl42TiHp3ZtOv/Vyg=="],
@@ -2297,6 +2342,22 @@
 
     "@puppeteer/browsers/yargs/yargs-parser": ["yargs-parser@22.0.0", "", {}, "sha512-rwu/ClNdSMpkSrUb+d6BRsSkLUq1fmfsY6TOpYzTwvwkg1/NRG85KBy3kq++A8LKQwX6lsu+aWad+2khvuXrqw=="],
 
+    "@types/babel__core/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@types/babel__core/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@types/babel__generator/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@types/babel__generator/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@types/babel__template/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@types/babel__template/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
+    "@types/babel__traverse/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.27.1", "", {}, "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA=="],
+
+    "@types/babel__traverse/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.28.5", "", {}, "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q=="],
+
     "gaxios/https-proxy-agent/agent-base": ["agent-base@7.1.4", "", {}, "sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ=="],
 
     "gcp-metadata/gaxios/https-proxy-agent": ["https-proxy-agent@7.0.6", "", { "dependencies": { "agent-base": "^7.1.2", "debug": "4" } }, "sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw=="],
@@ -2315,10 +2376,6 @@
 
     "google-gax/retry-request/teeny-request": ["teeny-request@10.1.3", "", { "dependencies": { "http-proxy-agent": "^7.0.0", "https-proxy-agent": "^7.0.1", "node-fetch": "^3.3.2", "stream-events": "^1.0.5" } }, "sha512-5yDliI1uWkYPo7W+Zvrxg6YmoWuj5iC5EydewqrRTvc68nyMTZhlPPlLg6cptUGfbQAb+N9XDPDPzF6N081lug=="],
 
-    "magicast/@babel/types/@babel/helper-string-parser": ["@babel/helper-string-parser@7.29.7", "", {}, "sha512-Pb5ijPrZ89GDH8223L4UP8i6QApWxs04RbPQJTeWDV0/keR2E36MeKnyr6LYmUUvqRRI+Iv87SuF1W6ErINzYw=="],
-
-    "magicast/@babel/types/@babel/helper-validator-identifier": ["@babel/helper-validator-identifier@7.29.7", "", {}, "sha512-qehxGkRj55h/ff8EMaJ+cYhyaKlHIxqYDn682wQD7RNp9UujOQsHog2uS0r2vzr4pW+sXf90NeeayjcNaX3fFg=="],
-
     "node-fetch/whatwg-url/tr46": ["tr46@0.0.3", "", {}, "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="],
 
     "node-fetch/whatwg-url/webidl-conversions": ["webidl-conversions@3.0.1", "", {}, "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="],
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 39866d7a34..38ba4ecdf0 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -65,6 +65,7 @@
     "@types/mime-types": "^3.0.1",
     "@types/node": "^25.0.10",
     "ajv": "^8.20.0",
+    "ffprobe-static": "^3.1.0",
     "linkedom": "^0.18.12",
     "picocolors": "^1.1.1",
     "tsup": "^8.0.0",
diff --git a/packages/cli/src/commands/__fixtures__/silent.mp4 b/packages/cli/src/commands/__fixtures__/silent.mp4
new file mode 100644
index 0000000000..e5f63bf0f0
Binary files /dev/null and b/packages/cli/src/commands/__fixtures__/silent.mp4 differ
diff --git a/packages/cli/src/commands/init.test.ts b/packages/cli/src/commands/init.test.ts
index e9f0e1b75a..0e72b7d08d 100644
--- a/packages/cli/src/commands/init.test.ts
+++ b/packages/cli/src/commands/init.test.ts
@@ -9,6 +9,7 @@ import {
   rmSync,
   writeFileSync,
 } from "node:fs";
+import { createRequire } from "node:module";
 import { tmpdir } from "node:os";
 import { join, resolve } from "node:path";
 import { fileURLToPath } from "node:url";
@@ -23,17 +24,32 @@ const initSource = readFileSync(new URL("./init.ts", import.meta.url), "utf-8");
 const tailwindScript =
   '<script src="https://cdn.jsdelivr.net/npm/@tailwindcss/browser@4.2.4/dist/index.global.js" integrity="sha384-v5YF9xS+gLRWdvrQ0u/WRbCkjSIH0NjHIPe8tBL1ZRrmI7PiSH6LLdzs0aAIMCuh" crossorigin="anonymous"></script>';
 
+// The CI job running this suite only satisfies ffmpeg-static's postinstall
+// check (see prepare-ffmpeg-bin in ci.yml) — it does not guarantee a real
+// `ffprobe` on PATH. ffprobe-static is a devDependency purely so tests that
+// exercise real video probing (hasAudio detection) get a real, platform-
+// correct binary regardless of the host.
+const ffprobeStaticPath: string = createRequire(import.meta.url)("ffprobe-static").path;
+
 // Spawns `bun` directly because the CLI entry is a .ts file that needs a
 // TypeScript-aware runtime. vitest runs under node, so `process.execPath`
 // would be node and couldn't load the entry. This repo hard-depends on bun
 // (package.json scripts), so assuming it's on PATH is safe.
-function runInit(args: string[]): { status: number; stdout: string; stderr: string } {
+function runInit(
+  args: string[],
+  envOverrides: Record<string, string> = {},
+): { status: number; stdout: string; stderr: string } {
   const res = spawnSync("bun", ["run", cliEntry, "init", ...args], {
     encoding: "utf-8",
     timeout: 30_000,
-    // The `--skip-skills` flag is neutered (see init.ts); the GitHub skills check
-    // is opted out only via this env var, so tests stay offline and fast.
-    env: { ...process.env, HYPERFRAMES_SKIP_SKILLS: "1" },
+    env: {
+      ...process.env,
+      // The `--skip-skills` flag is neutered (see init.ts); the GitHub skills
+      // check is opted out only via this env var, so tests stay offline and fast.
+      HYPERFRAMES_SKIP_SKILLS: "1",
+      HYPERFRAMES_FFPROBE_PATH: ffprobeStaticPath,
+      ...envOverrides,
+    },
   });
   return {
     status: res.status ?? -1,
@@ -228,6 +244,90 @@ describe("hyperframes init flag rename", () => {
     }
   });
 
+  it("strips the scaffolded <audio> placeholder for a video with no audio track", () => {
+    // Checked-in fixture (not generated with ffmpeg at test time): the CI job
+    // that runs this suite doesn't guarantee a working `ffmpeg` binary on
+    // PATH, only whatever satisfies ffmpeg-static's postinstall check.
+    const dir = mkdtempSync(join(tmpdir(), "hf-init-test-"));
+    const target = join(dir, "proj");
+    const silentVideo = join(dir, "silent.mp4");
+    copyFileSync(new URL("./__fixtures__/silent.mp4", import.meta.url), silentVideo);
+    try {
+      const res = runInit([
+        target,
+        "--non-interactive",
+        "--skip-transcribe",
+        "--video",
+        silentVideo,
+      ]);
+      expect(res.status).toBe(0);
+      const html = readFileSync(join(target, "index.html"), "utf-8");
+      // The <video> element must still be wired up normally...
+      expect(html).toContain('src="silent.mp4"');
+      // ...but the <audio> placeholder pointing at the same silent source
+      // must be gone — leaving it in place used to break the very next
+      // render (asset-type validator rejects a silent source authored as
+      // an <audio> element).
+      expect(html).not.toContain("a-roll-audio");
+      expect(html).not.toMatch(/<audio[^>]*src="silent\.mp4"/);
+    } finally {
+      rmSync(dir, { recursive: true, force: true });
+    }
+  });
+
+  it("keeps the scaffolded <audio> placeholder for a video that has an audio track", () => {
+    // Positive control for the test above: proves hasAudio actually gates on
+    // the probe result (audio kept when present) rather than the assertion
+    // merely reflecting a hardcoded/inverted default.
+    const dir = mkdtempSync(join(tmpdir(), "hf-init-test-"));
+    const target = join(dir, "proj");
+    const clip = join(dir, "clip.mp4");
+    copyFileSync(
+      resolve(
+        fileURLToPath(import.meta.url),
+        "../../../../studio/tests/e2e/fixtures/design-panel-qa/assets/test.mp4",
+      ),
+      clip,
+    );
+    try {
+      const res = runInit([target, "--non-interactive", "--skip-transcribe", "--video", clip]);
+      expect(res.status).toBe(0);
+      const html = readFileSync(join(target, "index.html"), "utf-8");
+      expect(html).toContain('src="clip.mp4"');
+      expect(html).toContain("a-roll-audio");
+      expect(html).toMatch(/<audio[^>]*src="clip\.mp4"/);
+    } finally {
+      rmSync(dir, { recursive: true, force: true });
+    }
+  });
+
+  it("keeps the <audio> placeholder and falls back to a 5s duration when ffprobe is unavailable", () => {
+    // Covers DEFAULT_META's hasAudio fallback directly: an unprobeable video
+    // is "unknown", not "confirmed no audio" — the placeholder must survive.
+    const dir = mkdtempSync(join(tmpdir(), "hf-init-test-"));
+    const target = join(dir, "proj");
+    const clip = join(dir, "clip.mp4");
+    copyFileSync(
+      resolve(
+        fileURLToPath(import.meta.url),
+        "../../../../studio/tests/e2e/fixtures/design-panel-qa/assets/test.mp4",
+      ),
+      clip,
+    );
+    try {
+      const res = runInit([target, "--non-interactive", "--skip-transcribe", "--video", clip], {
+        HYPERFRAMES_FFPROBE_PATH: "/nonexistent",
+      });
+      expect(res.status).toBe(0);
+      const html = readFileSync(join(target, "index.html"), "utf-8");
+      expect(html).toContain("a-roll-audio");
+      expect(html).toMatch(/<audio[^>]*src="clip\.mp4"/);
+      expect(html).toContain('data-duration="5"');
+    } finally {
+      rmSync(dir, { recursive: true, force: true });
+    }
+  });
+
   it("-v works as the short alias for --video", () => {
     const dir = mkdtempSync(join(tmpdir(), "hf-init-test-"));
     const target = join(dir, "proj");
diff --git a/packages/cli/src/commands/init.ts b/packages/cli/src/commands/init.ts
index d3f614b7ed..b7345e3f05 100644
--- a/packages/cli/src/commands/init.ts
+++ b/packages/cli/src/commands/init.ts
@@ -77,7 +77,10 @@ const DEFAULT_META: VideoMeta = {
   width: 1920,
   height: 1080,
   fps: 30,
-  hasAudio: false,
+  // Assumed, not observed: this meta is the ffprobe-unavailable fallback, and
+  // patchVideoSrc drops the scaffolded <audio> element when hasAudio is false.
+  // Only a probe that positively reports no audio track should do that.
+  hasAudio: true,
   videoCodec: "h264",
 };
 
@@ -343,10 +346,22 @@ function writeTailwindSupport(destDir: string): void {
   }
 }
 
+// Removes a scaffolded placeholder <video>/<audio> element (self-closing or
+// with children) that still points at the unpatched "__VIDEO_SRC__" source.
+function stripPlaceholderMediaElement(content: string, tag: "video" | "audio"): string {
+  // Leading \s before src= excludes data-src="..."; the quote alternation
+  // covers both attribute-quoting styles a template might use.
+  const openTag = `<${tag}[^>]*\\ssrc=["']__VIDEO_SRC__["'][^>]*>`;
+  return content
+    .replace(new RegExp(`${openTag}[\\s\\S]*?</${tag}>`, "g"), "")
+    .replace(new RegExp(openTag, "g"), "");
+}
+
 function patchVideoSrc(
   dir: string,
   videoFilename: string | undefined,
   durationSeconds?: number,
+  hasAudio = true,
 ): void {
   const htmlFiles = readdirSync(dir, { withFileTypes: true, recursive: true })
     .filter((e) => e.isFile() && e.name.endsWith(".html"))
@@ -355,14 +370,15 @@ function patchVideoSrc(
   for (const file of htmlFiles) {
     let content = readFileSync(file, "utf-8");
     if (videoFilename) {
+      // A supplied video with no audio track scaffolds a bogus <audio>
+      // placeholder pointing at the same (silent) source — strip it before
+      // patching __VIDEO_SRC__, or the compiler rejects it as an asset whose
+      // authored media element type doesn't match its actual content.
+      if (!hasAudio) content = stripPlaceholderMediaElement(content, "audio");
       content = content.replaceAll("__VIDEO_SRC__", videoFilename);
     } else {
-      // Remove video elements with placeholder src
-      content = content.replace(/<video[^>]*src="__VIDEO_SRC__"[^>]*>[\s\S]*?<\/video>/g, "");
-      content = content.replace(/<video[^>]*src="__VIDEO_SRC__"[^>]*>/g, "");
-      // Remove audio elements with placeholder src
-      content = content.replace(/<audio[^>]*src="__VIDEO_SRC__"[^>]*>[\s\S]*?<\/audio>/g, "");
-      content = content.replace(/<audio[^>]*src="__VIDEO_SRC__"[^>]*>/g, "");
+      content = stripPlaceholderMediaElement(content, "video");
+      content = stripPlaceholderMediaElement(content, "audio");
     }
     // Patch duration — use probed duration or default
     const dur = durationSeconds ? String(Math.round(durationSeconds * 100) / 100) : "10";
@@ -561,6 +577,7 @@ async function scaffoldProject(
   tailwind = false,
   resolution?: CanvasResolution,
   authoringSkill?: string,
+  hasAudio = true,
 ): Promise<void> {
   mkdirSync(destDir, { recursive: true });
 
@@ -573,7 +590,7 @@ async function scaffoldProject(
   } else {
     await fetchRemoteTemplate(templateId, destDir);
   }
-  patchVideoSrc(destDir, localVideoName, durationSeconds);
+  patchVideoSrc(destDir, localVideoName, durationSeconds, hasAudio);
   if (tailwind) writeTailwindSupport(destDir);
   if (resolution) applyResolutionPreset(destDir, resolution);
 
@@ -861,6 +878,7 @@ export default defineCommand({
 
       let localVideoName: string | undefined;
       let videoDuration: number | undefined;
+      let videoHasAudio = true;
       let sourceFilePath: string | undefined;
 
       // Handle video
@@ -869,6 +887,7 @@ export default defineCommand({
         const result = await handleVideoFile(videoPath, destDir, false);
         localVideoName = result.localVideoName;
         videoDuration = result.meta.durationSeconds;
+        videoHasAudio = result.meta.hasAudio;
         console.log(
           `Video: ${result.meta.width}x${result.meta.height}, ${result.meta.durationSeconds.toFixed(1)}s`,
         );
@@ -913,6 +932,7 @@ export default defineCommand({
           tailwind,
           resolutionPreset,
           args.skill,
+          videoHasAudio,
         );
       } catch (err) {
         console.error(
@@ -1015,6 +1035,7 @@ export default defineCommand({
     let localVideoName: string | undefined;
     let sourceFilePath: string | undefined;
     let videoDuration: number | undefined;
+    let videoHasAudio = true;
 
     if (videoFlag) {
       const videoPath = resolve(videoFlag);
@@ -1028,6 +1049,7 @@ export default defineCommand({
       const result = await handleVideoFile(videoPath, destDir, true);
       localVideoName = result.localVideoName;
       videoDuration = result.meta.durationSeconds;
+      videoHasAudio = result.meta.hasAudio;
     } else if (audioFlag) {
       const audioPath = resolve(audioFlag);
       if (!existsSync(audioPath)) {
@@ -1128,6 +1150,7 @@ export default defineCommand({
         tailwind,
         resolutionPreset,
         args.skill,
+        videoHasAudio,
       );
       if (!isBundled) {
         spin.stop(c.success(`Downloaded ${templateId}`));