feat: v5 base branch

[moldy530]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
• Do your commits follow the Conventional Commits standard?
• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
• Did you run lint (yarn lint:check) and fix any issues? (yarn lint:write)
• Did you follow the contribution guidelines?

---

PR-Codex overview

This PR introduces several updates across various packages, primarily focusing on configuration files, version management, and documentation enhancements. It also adds error handling classes and templates for package creation in the CLI tool.

Detailed summary

• Added tsconfig.json files with specific configurations for multiple packages.
• Introduced autogenerated VERSION exports in several packages.
• Created error handling classes: FetchError, ServerError, and ChainNotFoundError.
• Added new documentation pages for various Alchemy packages and functions.
• Enhanced CLI tool with command templates for adding packages.
• Updated vitest.config.ts files across packages to include project-specific configurations.
• Modified inject-version.ts scripts to automate version management.
• Improved the halp CLI tool documentation and usage instructions.

The following files were skipped due to too many changes: docs/scripts/insert-docs.sh, packages/alchemy/package.json, packages/signer/package.json, packages/wallet-apis/package.json, packages/signer-web/package.json, packages/signer-react-native/package.json, packages/smart-accounts/package.json, packages/smart-accounts/src/light-account/types.ts, package.json, packages/signer/src/types.ts, packages/wallet-apis/src/actions/requestGasAndPaymasterAndData.ts, halp/src/commands/add-package/base/packageJsonTemplate.ts, packages/common/package.json, packages/wallet-apis/src/actions/types.ts, packages/smart-accounts/src/light-account/decorators/singleOwner.ts, packages/common/src/utils/bigint.ts, packages/common/src/transport/split.ts, packages/wallet-apis/src/actions/utils.ts, halp/src/commands/add-package/json-rpc/task.ts, halp/src/commands/add-package/rest-api/task.ts, packages/common/src/tracing/updateHeaders.ts, packages/common/src/transport/__snapshots__/alchemyTransport.test.ts.snap, packages/smart-accounts/src/light-account/decorators/multiOwner.ts, packages/signer/src/authClient.ts, packages/smart-accounts/src/alchemyEstimateFeesPerGas.ts, packages/wallet-apis/src/schema.ts, docs/docs.yml, packages/common/src/utils/types.ts, docs/pages/reference/alchemy/common/functions/alchemy.mdx, packages/signer/src/signer.ts, packages/smart-accounts/src/light-account/accounts/multi-owner-account.ts, packages/smart-accounts/src/light-account/accounts/account.ts, packages/wallet-apis/src/actions/requestGasAndPaymasterAndData.test.ts, packages/smart-accounts/src/light-account/abis/LightAccountFactoryAbi_v2.ts, halp/src/commands/add-package/command.ts, packages/smart-accounts/tests/coinbase-account.test.ts, packages/common/src/tracing/traceHeader.ts, packages/smart-accounts/src/light-account/abis/MultiOwnerLightAccountFactoryAbi.ts, packages/smart-accounts/src/light-account/predictAddress.test.ts, packages/smart-accounts/src/light-account/predictAddress.ts, packages/smart-accounts/src/light-account/accounts/multi-owner-account.test.ts, packages/smart-accounts/src/light-account/utils.ts, packages/smart-accounts/src/light-account/abis/LightAccountAbi_v2.ts, packages/smart-accounts/src/light-account/abis/MultiOwnerLightAccountAbi.ts, packages/smart-accounts/src/light-account/accounts/base.ts, packages/smart-accounts/src/light-account/abis/LightAccountAbi_v1.ts, packages/common/src/transport/alchemy.ts, packages/smart-accounts/src/light-account/accounts/account.test.ts, packages/common/src/chains.ts, yarn.lock

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
aa-sdk-ui-demo	Error		Feb 27, 2026 4:53pm

[moldy530]

• feat: add http request support to alchemy transport #1675
• feat: v5 base branch #1670 👈 (View in Graphite)
• v5.x.x

---

How to use the Graphite Merge Queue

Add the label graphite-merge-queue to this PR to add it to the merge queue.

You must have a Graphite account in order to use the merge queue. Sign up using this link.

An organization admin has enabled the Graphite Merge Queue in this repository.

Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.

This stack of pull requests is managed by Graphite. Learn more about stacking.

[github-actions]

🌿 Documentation Preview

Name	Status	Preview	Updated (UTC)
Alchemy Docs	✅ Ready	🔗 Visit Preview	Aug 6, 2025, 5:53 PM