nexa-skill validate doesn't generate any report

[colorfulshark]

➜  tests git:(main) ✗ nexa-skill validate --suggest --verbose --report report.html --format html ./SKILL.md
  2026-05-14T09:31:05.460820Z  INFO nexa_skill::logging: Logging system initialized, level: "debug", json: false, color: true
    at nexa-skill-cli/src/logging.rs:153

  2026-05-14T09:31:05.460840Z DEBUG nexa_skill: CLI arguments parsed successfully
    at nexa-skill-cli/src/main.rs:62

  2026-05-14T09:31:05.460844Z  INFO nexa_skill::commands::validate: Validating skill: ./SKILL.md
    at nexa-skill-cli/src/commands/validate.rs:31

✅ Validate command executed successfully
   Input: ./SKILL.md
   Report output: report.html
   Format: html
   Show suggestions: true
➜  tests git:(main) ✗ ls
SKILL.md