Switch to Zod4

Author: schani

.gitignore

@@ -5,3 +5,4 @@ dist
 coverage
 .nyc_output
 .vscode
+.claude/settings.local.json

CLAUDE.md

@@ -15,7 +15,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## Code Style
 - **TypeScript**: Use strict types with proper JSON Schema interface typing
-- **Imports**: Use named imports (`import { z } from "zod"`)
+- **Imports**: Use named imports (`import { z } from "zod/v4"`)
 - **Formatting**: 4-space indentation, prefer lines under 80 chars
 - **Functions**: Pure functions with no side effects, descriptive names in camelCase
 - **Types/Interfaces**: Use PascalCase, export types used in public API
@@ -30,4 +30,4 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 - Use esbuild for bundling with optimized output
 - Follow semantic versioning for releases
 
-For release process, see RELEASE.md
+For release process, see RELEASE.md

package-lock.json

@@ -30,14 +30,13 @@
         "url": "git+https://github.com/glideapps/zod-from-json-schema.git"
     },
     "dependencies": {
-        "zod": "^3.24.2"
+        "zod": "^3.25.25"
     },
     "devDependencies": {
         "@vitest/coverage-v8": "^3.0.9",
         "esbuild": "^0.25.2",
-        "typescript": "^5.8.2",
-        "vitest": "^3.0.9",
-        "zod-to-json-schema": "^3.24.5"
+        "typescript": "^5.8.3",
+        "vitest": "^3.0.9"
     },
     "keywords": [
         "zod",