2867e1f4e3
- Added canonical `pi.zod` schema API exports and removed TypeBox package exports/imports. - Migrated Tool schema typing from TypeBox to shared `TSchema`/Zod flow with legacy TypeBox compatibility. - Updated AI provider adapters and MCP/agent builders to convert tool params through `toolWireSchema()`. - Reworked schema validation from AJV to Zod-safe parsing with `fromTypeBox`, `toolWireSchema`, and meta schema checks.