Latest CLI fails when ccusage finds gemini usage

```
❯ straude push
Pushing usage for 2026-05-14 to 2026-06-12...

Failed to collect usage: Unsupported ccusage agents detected for 2026-05-14: gemini. Straude currently supports Claude Code and Codex only.

❯ straude --version
straude v0.1.27
```