refactor(web): share retained text artifact metadata

src/domain/webBundleAnalysis.ts

@@ -9,7 +9,10 @@ import {
 } from "./browserDeadline.js";
 import { emptyArraySchema } from "./emptyArraySchema.js";
 import { inspectWebPageWithSourceInputSchema } from "./browserObservation.js";
-import { webTextArtifactSchema } from "./webContentArtifact.js";
+import {
+  webTextArtifactMetadataSchema,
+  webTextArtifactSchema,
+} from "./webContentArtifact.js";
 
 /** Isolated analyzer heap used when max_heap_mb is omitted. */
 export const DEFAULT_WEB_BUNDLE_HEAP_MB = 1024;
@@ -298,11 +301,7 @@ const sourceMapSchema = z.union([
   }),
 ]);
 
-const webTextArtifactSummarySchema = z.object({
-  sha256: z.string().regex(/^[a-f0-9]{64}$/u),
-  bytes: z.number().int().min(0),
-  media_type: z.string().min(1),
-  charset: z.literal("utf-8"),
+const webTextArtifactSummarySchema = webTextArtifactMetadataSchema.extend({
   text_available: z.literal(true),
 });
 

src/domain/webContentArtifact.ts

@@ -2,15 +2,17 @@ import { createHash } from "node:crypto";
 
 import { z } from "zod";
 
+/** Metadata shared by complete and summarized retained web text artifacts. */
+export const webTextArtifactMetadataSchema = z.object({
+  sha256: z.string().regex(/^[a-f0-9]{64}$/u),
+  bytes: z.number().int().min(0),
+  media_type: z.string().min(1),
+  charset: z.literal("utf-8"),
+});
+
 /** Self-verifying text artifact used by web-source analysis boundaries. */
-export const webTextArtifactSchema = z
-  .object({
-    sha256: z.string().regex(/^[a-f0-9]{64}$/u),
-    bytes: z.number().int().min(0),
-    media_type: z.string().min(1),
-    charset: z.literal("utf-8"),
-    text: z.string(),
-  })
+export const webTextArtifactSchema = webTextArtifactMetadataSchema
+  .extend({ text: z.string() })
   .superRefine((artifact, context) => {
     const bytes = Buffer.byteLength(artifact.text);
     const digest = createHash("sha256").update(artifact.text).digest("hex");