[JULES] refactor(code): Split oversized modules (>500 lines) - CODE-005

[JuanCS-Dev]

Summary

Several modules exceed the 500-line limit from CODE_CONSTITUTION.

Files to Refactor

File	Lines	Priority
vertice_cli/shell_main.py	806	HIGH
vertice_cli/core/python_sandbox.py	798	HIGH
vertice_cli/cli_app.py	727	MEDIUM

Already Resolved

• ✅ vertice_cli/maestro.py: 733 → 55 lines (package)
• ✅ memory/cortex/memory.py: 695 → 223 lines (cortex.py facade)
• ✅ agents/orchestrator/agent.py: 630 → 301 lines (composition)

Refactoring Strategy

Follow the pattern used for Maestro:

1. Identify cohesive groups of functions/classes
2. Extract to separate modules
3. Create package with init.py re-exports
4. Maintain backward compatibility

Example for shell_main.py:

vertice_cli/shell/
├── __init__.py      # Re-exports
├── main.py          # Entry point (~50 lines)
├── commands.py      # Command handlers (~200 lines)
├── completions.py   # Tab completion (~150 lines)
├── history.py       # History management (~100 lines)
└── formatters.py    # Output formatters (~150 lines)

Acceptance Criteria

• At least 2 modules refactored
• Each module under 500 lines
• Backward compatibility maintained
• All tests pass

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[JuanCS-Dev]

@jules please address this refactoring task.