Complete SDK implementations with full API surface:
- Python: sync/async with all 43 functions
- Go: sync/async with full API
- Java: sync/async with full API
- JavaScript: sync/async with full API
- PHP: sync/async with full API
- Ruby: sync/async with full API
- Rust: sync/async with full API
Added:
- clients/README.md - SDK overview
- clients/CLI_SPEC.md - CLI specification
Removed:
- un_deno.ts (moved to clients/typescript/)
