Complete mechanical lint, Turbo, and deprecation cleanup

[jasonhedman]

Summary

• make Turbo task hashes reflect behavior-changing environment inputs while keeping lint, format, Knip, type generation, and Foundation checks environment-independent
• add package-scoped runtime pass-through configuration, explicit outputs, interactive migration behavior, and deterministic React dependency overrides
• remove deprecated Zod, BigQuery auth, and request form-data APIs
• isolate deferred admin and composer ownership from production lint coverage
• remove obsolete rule overrides and fix mechanical TypeScript findings without changing runtime behavior

Remaining lint debt

• 99 unsafe type assertions
• 50 non-null assertions
• 62 unnecessary conditions whose declared types and runtime guards disagree
• one Foundation-owned data-list consistent-return warning

These remain warnings because they require boundary validation, type-model decisions, or an upstream registry change rather than mechanical rewriting.

Validation

• pnpm check
• pnpm build
• Turbo dry-run audit of build, test, generation, and repository-wide validation tasks
• Oxlint audit: 0 errors, 0 turbo(no-undeclared-env-vars) findings, and 0 typescript(no-deprecated) findings
• independent implementation review: clean after remediation

[vercel]

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Project	Deployment	Actions	Updated
x402scan	Ready	Preview	Sep 4, 2026 5:47pm UTC