fix: replace print() with logger calls in WhatsAppAdapter

[memosr]

38 print() calls in WhatsAppAdapter covering bridge lifecycle, media caching, and message handling. All replaced with appropriate logger levels (debug for routine ops, warning/error for failures).

What does this PR do?

Related Issue

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Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 🔒 Security fix
• 📝 Documentation update
• ✅ Tests (adding or improving test coverage)
• ♻️ Refactor (no behavior change)
• 🎯 New skill (bundled or hub)

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Code

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• My commit messages follow Conventional Commits (fix(scope):, feat(scope):, etc.)
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• I've tested on my platform:

Documentation & Housekeeping

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• I've updated cli-config.yaml.example if I added/changed config keys — or N/A
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