fix: remove src validation for rich-caption

schemas/richcaptionasset.yaml

@@ -1,8 +1,9 @@
 RichCaptionAsset:
   description: |
     The RichCaptionAsset provides word-level caption animations with rich-text styling. It supports
-    karaoke-style highlighting, word-by-word animations, and advanced typography. Use with SRT/VTT
-    files or auto-transcription via aliases.
+    karaoke-style highlighting, word-by-word animations, and advanced typography. Captions can be
+    sourced from SRT/VTT/TTML subtitle files, from audio/video media URLs (auto-transcribed), or
+    from alias references to other clips in the same timeline.
   type: object
   properties:
     type:
@@ -12,10 +13,17 @@ RichCaptionAsset:
       type: string
     src:
       description: >-
-        The URL to an SRT or VTT subtitles file, or an alias reference to auto-generate captions
-        from an audio or video clip. For file URLs, the URL must be publicly accessible or include
-        credentials. For auto-captioning, use the format `alias://clip-name` where clip-name is
-        the alias of an audio, video, or text-to-speech clip.
+        Source for the caption words. Accepts three formats:
+        (1) the URL to a subtitle file (`.srt`, `.vtt`, `.ttml`, or `.dfxp`) which is parsed
+        directly;
+        (2) the URL to an audio or video media file (`.mp4`, `.mov`, `.webm`, `.mp3`, `.wav`,
+        `.m4a`, `.flac`, `.aac`, `.ogg`, and related formats) which is auto-transcribed;
+        (3) an alias reference in the form `alias://clip-name` where `clip-name` is the alias of
+        another audio, video, or text-to-speech clip in the same timeline — the referenced clip's
+        source is auto-transcribed.
+        For file URLs, the URL must be publicly accessible or include credentials. Content is
+        classified at runtime and unsupported content types (HTML, PDF, images, archives) are
+        rejected with a structured error.
       type: string
       minLength: 1
       example: "alias://audio"

scripts/fix-discriminator.cjs

@@ -330,50 +330,7 @@ function addStrictToObjects(src, prefix) {
 }
 
 
-// --- Rich-caption src media file validation ---
-const MEDIA_FILE_EXTENSIONS = [
-  ".m4a", ".mp3", ".wav", ".aac", ".ogg", ".flac", ".wma",
-  ".mp4", ".mov", ".avi", ".mkv", ".webm", ".wmv", ".flv", ".3gp",
-];
-
-function addRichCaptionSrcValidation(code, zPrefix) {
-  const schemaName = 'richcaptionassetRichCaptionAssetSchema';
-  const idx = code.indexOf(schemaName);
-  if (idx === -1) {
-    console.log("⚠ Could not find " + schemaName);
-    return code;
-  }
-
-  const strictMarker = '.strict()';
-  const strictIdx = code.indexOf(strictMarker, idx);
-  if (strictIdx === -1 || strictIdx - idx > 3000) {
-    console.log("⚠ Could not find .strict() for " + schemaName);
-    return code;
-  }
-
-  const superRefine = strictMarker + '.superRefine((data, ctx) => {\n' +
-    '  if (data.src) {\n' +
-    '    try {\n' +
-    '      const pathname = new URL(data.src).pathname.toLowerCase();\n' +
-    '      const mediaExts = ' + JSON.stringify(MEDIA_FILE_EXTENSIONS) + ';\n' +
-    '      if (mediaExts.some((ext) => pathname.endsWith(ext))) {\n' +
-    '        ctx.addIssue({\n' +
-    '          code: ' + zPrefix + '.ZodIssueCode.custom,\n' +
-    '          message: "Caption src must be an SRT or VTT subtitle file. To generate captions from a media asset, use an alias reference (e.g. \\"alias://my-clip\\") instead of a direct URL. See: https://shotstack.io/docs/guide/architecting-an-application/rich-captions/",\n' +
-    '          path: ["src"],\n' +
-    '        });\n' +
-    '      }\n' +
-    '    } catch {}\n' +
-    '  }\n' +
-    '})';
-
-  code = code.substring(0, strictIdx) + superRefine + code.substring(strictIdx + strictMarker.length);
-  console.log("✓ Added rich-caption src media validation (" + zPrefix + ")");
-  return code;
-}
-
 content = addStrictToObjects(content, "z");
-content = addRichCaptionSrcValidation(content, "z");
 
 fs.writeFileSync(zodGenPath, content);
 
@@ -593,7 +550,6 @@ const clipClipSchemaWithFitFilter = exports.clipClipSchema.transform((clip) => {
   }
 
   cjsContent = addStrictToObjects(cjsContent, "zod_1.z");
-  cjsContent = addRichCaptionSrcValidation(cjsContent, "zod_1.z");
 
   fs.writeFileSync(zodGenCjsPath, cjsContent);
 }
@@ -726,7 +682,6 @@ const clipClipSchemaWithFitFilter = clipClipSchema.transform((clip) => {
   }
 
   jsContent = addStrictToObjects(jsContent, "z");
-  jsContent = addRichCaptionSrcValidation(jsContent, "z");
 
   fs.writeFileSync(zodGenJsPath, jsContent);
 }