fix: point @objectstack/metadata exports to compiled dist files

[Copilot]

@objectstack/metadata package.json had main, types, and all exports pointing to TypeScript source files (src/index.ts). Node.js can't import .ts at runtime, causing ERR_MODULE_NOT_FOUND on Vercel.

Changes

• packages/metadata/package.json — Rewired all export paths to dist output, added files field, matching the established @objectstack/spec pattern:

  "exports": {
    ".": {
      "types": "./dist/index.d.ts",
      "import": "./dist/index.mjs",
      "require": "./dist/index.js"
    },
    "./node": {
      "types": "./dist/node.d.ts",
      "import": "./dist/node.mjs",
      "require": "./dist/node.js"
    }
  }

• packages/metadata/tsup.config.ts (new) — Local tsup config with both entry points (src/index.ts, src/node.ts), since the root config only declares a single entry
• CHANGELOG.md — Documented the fix

Original prompt

vercel studio error 2026-03-23 15:55:18.795 [error] Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/var/task/apps/studio/node_modules/@objectstack/metadata/src/index.ts' imported from /var/task/apps/studio/api/index.js
at finalizeResolution (node:internal/modules/esm/resolve:280:11)
at moduleResolve (node:internal/modules/esm/resolve:870:10)
at moduleResolveWithNodePath (node:internal/modules/esm/resolve:996:14)
at defaultResolve (node:internal/modules/esm/resolve:1039:79)
at #cachedDefaultResolve (node:internal/modules/esm/loader:718:20)
at #resolveAndMaybeBlockOnLoaderThread (node:internal/modules/esm/loader:735:38)
at ModuleLoader.resolveSync (node:internal/modules/esm/loader:764:52)
at #resolve (node:internal/modules/esm/loader:700:17)
at ModuleLoader.getOrCreateModuleJob (node:internal/modules/esm/loader:620:35)
at ModuleJob.syncLink (node:internal/modules/esm/module_job:143:33) {
code: 'ERR_MODULE_NOT_FOUND',
url: 'file:///var/task/apps/studio/node_modules/@objectstack/metadata/src/index.ts'
}
Node.js process exited with exit status: 1. The logs above can help with debugging the issue.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
spec	Ignored		Mar 23, 2026 4:05pm

[vercel]

Deployment failed with the following error:

Environment Variable "TURSO_DATABASE_URL" references Secret "turso_database_url", which does not exist.

Learn More: https://vercel.com/docs/environment-variables

[Copilot]

Pull request overview

Fixes @objectstack/metadata runtime import failures in Node/Vercel by ensuring the package’s main, types, and exports resolve to compiled dist/* artifacts rather than TypeScript source files.

Changes:

• Repointed packages/metadata/package.json main/types/exports to dist outputs and restricted published contents via files.
• Added a local packages/metadata/tsup.config.ts with both entry points (src/index.ts, src/node.ts) and updated the build script to use it.
• Documented the fix in CHANGELOG.md.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
packages/metadata/tsup.config.ts	Adds a package-local tsup config to build both index and node entrypoints into dist/.
packages/metadata/package.json	Updates runtime/type entrypoints and exports to compiled output; adds files and switches build script to local tsup config.
CHANGELOG.md	Notes the Vercel ERR_MODULE_NOT_FOUND fix for @objectstack/metadata exports.