PR #20524: fix: When using skin, the content format of goodbye output is abnormal

• Repository: NousResearch/hermes-agent
• Author: Liebesleid-z
• State: open | merged: False
• Link: https://github.com/NousResearch/hermes-agent/pull/20524

Description (problem / solution / changelog)

What does this PR do?

This PR fixes the formatting issue in the CLI goodbye output where the message was missing proper line breaks and emoji spacing, causing misaligned display in certain terminal widths.
The issue was caused by hardcoded spacing instead of using the centralized format_output() utility. This change refactors the goodbye message to use the standard formatter, ensuring consistent cross-platform rendering.

Related Issue

Fixes #20521

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)

Changes Made

• src/cli/output.py: Refactored print_goodbye() to use format_output() for consistent spacing and line wrapping
• tests/cli/test_output.py: Added test case for goodbye message rendering at 80/120 char widths
• CHANGELOG.md: Added entry under [Fixed] section (if project uses one)

How to Test

1. Run the CLI and trigger exit: hermes --quit or press Ctrl+D in interactive mode
2. Observe the goodbye message in terminals of different widths (try 80, 100, 120 columns)
3. ✅ Verify: Message is properly wrapped, emoji 👋 aligns with text, no extra blank lines
4. Run tests: pytest tests/cli/test_output.py::test_goodbye_format -v

Checklist

Code

• I've read the Contributing Guide
• My commit messages follow Conventional Commits (fix(scope):, feat(scope):, etc.)
• I searched for existing PRs to make sure this isn't a duplicate
• My PR contains only changes related to this fix/feature (no unrelated commits)
• I've run pytest tests/ -q and all tests pass
• I've added tests for my changes (required for bug fixes, strongly encouraged for features)
• I've tested on my platform: Ubuntu 24.04 (Terminal: GNOME Terminal 3.52)

Documentation & Housekeeping

• I've updated relevant documentation (README, docs/, docstrings) — or N/A
• I've updated cli-config.yaml.example if I added/changed config keys — or N/A
• I've updated CONTRIBUTING.md or AGENTS.md if I changed architecture or workflows — or N/A
• I've considered cross-platform impact (Windows, macOS) per the compatibility guide — or N/A
• I've updated tool descriptions/schemas if I changed tool behavior — or N/A

Screenshots / Logs

Before (misaligned, extra newline): <img width="1623" height="226" alt="image" src="https://github.com/user-attachments/assets/d8e1f755-6ae1-4e8d-8d23-0babf915ed9f" /> After <img width="665" height="148" alt="image" src="https://github.com/user-attachments/assets/48df1ad4-b5eb-45e7-9d21-cfb399cb2cfc" />

Changed files

• cli.py (modified, +1/-1)