feat(charts): manage investigation charts in a scrolling workspace

scripts/export-view-command-contract.mjs

@@ -1,5 +1,6 @@
 import process from "node:process";
-import { readFile, writeFile } from "node:fs/promises";
+import { mkdir, readFile, writeFile } from "node:fs/promises";
+import { dirname } from "node:path";
 import { fileURLToPath, URL } from "node:url";
 import { zodToJsonSchema } from "zod-to-json-schema";
 import { viewCommandSchema } from "../src/features/agent/presentation/command-schema.ts";
@@ -22,11 +23,18 @@ const targets = [
   ],
   [new URL("../../next-tjwater-server/contracts/view-command.schema.json", import.meta.url), schema]
 ];
+// The same executable examples and rejection matrix travel with each independent repository.
+for (const name of ["unified-presentation.jsonl", "chart-publication-cases.json"]) {
+  const fixture = await readFile(new URL(`../tests/fixtures/${name}`, import.meta.url), "utf8");
+  for (const repository of ["next-tjwater-agent", "next-tjwater-server"])
+    targets.push([new URL(`../../${repository}/tests/fixtures/${name}`, import.meta.url), fixture]);
+}
 for (const [url, content] of targets) {
   if (process.argv.includes("--check")) {
     if ((await readFile(url, "utf8")) !== content)
       throw new Error(`View command contract differs: ${fileURLToPath(url)}`);
   } else {
+    await mkdir(dirname(fileURLToPath(url)), { recursive: true });
     await writeFile(url, content);
   }
 }