feat!: upgrade to Zod v4 #236
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BREAKING CHANGE: Output schema types are now more strict with Zod v4. The `z.record()` schemas now explicitly require string keys (`z.record(z.string(), z.unknown())`), and the `z.enum()` description is now set via `.describe()` method instead of constructor options. This affects TypeScript type inference for consumers using these schemas. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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Summary
Upgrades the project from Zod v3 to Zod v4, fixing all type errors caused by breaking changes in the new version.
Changes
zodfrom v3.25.76 to v4.1.13z.objectOutputType→z.infer<z.ZodObject<Params>>in mcp-helpers.tsz.record(z.unknown())→z.record(z.string(), z.unknown())in 9 filesz.enum()description from constructor options to.describe()methodscripts/validate-schemas.tsto work with Zod v4 internalsBreaking Changes
z.record()schemas now explicitly require string keys (z.record(z.string(), z.unknown())), and thez.enum()description is now set via.describe()method instead of constructor options. This affects TypeScript type inference for consumers using these schemas.While this is primarily a type-level breaking change (runtime behavior is unchanged), TypeScript consumers may need to update their types.
Verification
🤖 Generated with Claude Code