Integrate Tkinter GUI into main Command Center with auto-launch

[Copilot]

Consolidates the separate Tkinter GUI file into the main Command Center, making the GUI launch automatically on startup.

Changes

Unified architecture

• Merged CommandCenterGUI class into codex_command_center.py
• GUI now launches by default; added --no-gui flag for headless operation
• GUI communicates via direct method calls instead of socket connection
• Removed codex_command_center_gui_tk.py and redundant codex_command_center_with_gui.py

Command processing fix

• GUI commands (RESIGN, SWITCH_TEAMS, FORCE_QUEUE) now process before client registration check
• Prevents silent failure of GUI controls in embedded mode

Documentation

• Updated COMMAND_CENTER_QUICKSTART.md to reflect single-command launch

Usage

# GUI mode (default)
python codex_command_center.py

# Headless mode
python codex_command_center.py --no-gui

Before: Required two commands (codex_command_center.py + codex_command_center_gui_tk.py)
After: Single command with automatic GUI launch

Net: -1,021 lines (removed duplicate code)

Original prompt

Please make the Codex Command Center launch the TTinker GUI automatically on launch, and delete the separate file for ttinker. Everything should be in the the main Command Center file.

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[Ewoog]

@copilot when trying to merge the pull request, I get that there substantial conflicts with:
This branch has conflicts that must be resolved

Use the command line to resolve conflicts before continuing.

codex_command_center_gui_tk.py

[Copilot]

@copilot when trying to merge the pull request, I get that there substantial conflicts with:
This branch has conflicts that must be resolved

...

The merge conflict occurs because the base branch has codex_command_center_gui_tk.py, but this PR intentionally deletes it (the GUI was merged into codex_command_center.py).

To resolve this conflict on the command line:

# Checkout your base branch and merge this PR branch
git checkout <base-branch>
git merge copilot/launch-ttinker-gui-automatically

# When you see the conflict, accept the deletion:
git rm codex_command_center_gui_tk.py

# Complete the merge
git commit

The file deletion is intentional - all GUI functionality is now in the main codex_command_center.py file. After resolving the conflict, the merge should complete successfully.