- Update build.zig.zon: name field to enum literal, add fingerprint,
  upgrade zig-clap dependency from 0.9.1 to 0.10.0
- Fix std_options to use explicit std.Options type (0.14.0 requirement)
- Fix opts.zig: handle optional positional args from zig-clap 0.10.0

Co-authored-by: violinmeng <violinmeng@users.noreply.github.com>

- Update README.md version reference from 0.13.0 to 0.14.0
- Update CI workflows (build.yaml, test.yaml) from 0.11.0 to 0.14.0
- Add AGENTS.md with Cursor Cloud development instructions

Co-authored-by: violinmeng <violinmeng@users.noreply.github.com>

- build.zig: migrate to new Module-based API (createModule + root_module)
- build.zig.zon: upgrade zig-clap from 0.10.0 to 0.11.0
- client.zig: adapt to new buffered I/O (reader/writer require explicit
  buffers, use interface().takeByte() and interface.writeAll()/flush())
- main.zig: use DebugAllocator, std.fs.File.stdin(), pass I/O buffers
- opts.zig: use clap 0.11.0 API (reportToFile, helpToFile, usageToFile)

Co-authored-by: violinmeng <violinmeng@users.noreply.github.com>

- README.md, CI workflows, AGENTS.md: update version from 0.14.0 to 0.15.2

Co-authored-by: violinmeng <violinmeng@users.noreply.github.com>