deps: zod 3 → 4, typescript 5 → 6#39
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P1 from the 2026-05-21 modernization audit. - zod: ^3.24.0 → ^4.4.3. Our usage is minimal (z.enum, z.string().regex(), z.optional(), z.describe()) and unaffected by v4 breaking changes (discriminated unions, ZodError API, effect chains). MCP SDK 1.29.0 supports zod v4 via Standard Schema. - typescript: ^5.7.0 → ^6.0.3. TS 6 tightened global types — added "types": ["node"] to tsconfig.compilerOptions so node:* imports and process / NodeJS namespace resolve. No source changes needed. - description: npm rewrote \u2014 → literal em-dash on touch (cosmetic). All 85 tests still pass. Build clean on Node 22 + 24 (verified via PR-3 matrix locally).
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Summary
P1 #5 + #6 from the 2026-05-21 modernization audit. Major-version drift on the two largest deps.
zod^3.24.0^4.4.3z.enum,z.string().regex(),z.optional(),.describe()) and unaffected by v4 breaking changes (discriminated unions, ZodError API, effect chains). MCP SDK 1.29.0 supports zod v4 via Standard Schema.typescript^5.7.0^6.0.3"types": ["node"]totsconfig.compilerOptionssonode:*imports +process+NodeJSnamespace resolve. No source changes needed.tsconfig.json"types": ["node"]Test plan
npm run build— cleannpm test— 85/85 passnpm audit --audit-level=moderate— exit 0 (only 5 lows in @anthropic-ai/mcpb transitives remain)Risk assessment
src/index.ts; all map 1:1 to v4 API.