fix: fix: voxtream backend should log model download progress to stderr (#33) [wshm]

[pszymkowiak]

🧞 wshm · Automated triage by AI

Fixes #33

🤖 Auto-generated fix

This PR was automatically generated by wshm using claude-code.

⚠️ This is a draft PR — a human must review and approve before merging.

Issue

fix: voxtream backend should log model download progress to stderr

When using vox -b voxtream "text" for the first time, the model download (~500MB) happens silently — no progress indication.

The voxtream backend in src/backend/voxtream.rs should print a message to stderr before calling the voxtream CLI:

eprintln!("Loading VoXtream2 model (first run may download ~500MB)...");

Similar to how qwen-native does it in src/backend/qwen_native.rs:35.

Small fix, one line.

Security

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• Generated diff scanned for suspicious patterns
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🤖 Generated automatically by wshm · This is an automated analysis, not a human review.

[pszymkowiak]

🧞 wshm · Automated triage by AI

📊 Automated PR Analysis

🐛 Type	bug-fix
🟢 Risk	low

Summary

Adds a stderr log message to the voxtream backend to inform users about model download progress on first run. This is a one-line fix adding an eprintln! call before the voxtream CLI invocation, matching the existing pattern used in the qwen-native backend.

Review Checklist

• Tests present
• Breaking change
• Docs updated

Linked issues: #33

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🤖 Analyzed automatically by wshm · This is an automated analysis, not a human review.