Log ARQC command and sanitize dump filenames

[gusdcoder]

Summary

• log full ARQC command in clean extraction script
• ensure dump filenames use the first six digits of Track 2
• document EMV and magstripe flows
• add Rich-based interactive CLI with configuration support

Testing

• python -m py_compile extrair_nfc.py
• python -m py_compile extrair_nfc_limpo.py

---

https://chatgpt.com/codex/tasks/task_e_68906698b804832492dfef3059b013de

[Copilot]

Pull Request Overview

This PR enhances the NFC card extraction tool by adding command logging, fixing dump filename generation, and introducing a rich interactive CLI. The changes improve both the user experience and data extraction accuracy.

• Modifies ARQC generation to return the command APDU alongside response data for better logging
• Sanitizes dump filenames to consistently use the first six digits of Track 2 data
• Replaces basic console output with a Rich-based interactive CLI featuring progress bars, tables, and colored output

Reviewed Changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
extrair_nfc_limpo.py	Updates ARQC generation to return command APDU and fixes filename sanitization logic
extrair_nfc.py	Major refactor adding Rich UI components, configuration support, and interactive application selection
docs/fluxos_emv.md	Adds comprehensive documentation of EMV and magstripe transaction flows
config.json	Introduces configuration file for currency codes and output directory settings
README.md	Updates documentation to reflect new Rich CLI features and configuration options

Comments suppressed due to low confidence (1)

extrair_nfc.py:264

• The connection is being established without proper error handling. If the card connection fails, this will cause an unhandled exception that could crash the application.

    connection.connect()

[Copilot]

Using a bare except Exception: without logging or handling the specific exception makes debugging difficult. Consider logging the exception or handling specific exception types.

Suggested change

	except Exception:
	pass
	except Exception as e:
	print(f"Error generating ARQC: {e}")

[Copilot]

Using a bare except Exception: without logging or handling the specific exception makes debugging difficult. Consider logging the exception or handling specific exception types.

Suggested change

	except Exception:
	except Exception as e:
	console.print(f"[yellow]Attempt {attempt+1}: {type(e).__name__}: {e}[/yellow]")

[gusdcoder]

ewr