cli expermient3

[kradalby]

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[ghost]

Pull Request Revisions

Revision	Description
r8	Error messages simplified, CLI timeout increased Modified error messages in node and user lookup functions, and extended default CLI timeout from 5 to 30 seconds
r7	CLI flag names updated across project Updated various CLI flags from --identifier to --node and added more flexible user identification in node and user commands
r6	CLI flags deprecated: namespace and identifier Removed deprecated CLI flags `--namespace` and `--identifier` across multiple commands, replacing them with `--user` and `--node` respectively. Updated command syntax and flag handling in the headscale CLI.
r5	CLI standardization with smart lookup Implemented comprehensive CLI standardization including command naming, flag conventions, enhanced filtering, and smart lookup for nodes and users with full backward compatibility
r4	Refactored CLI utility functions Simplified CLI code by extracting common utilities, removing redundant files, and standardizing output and flag handling across commands
r3	Simplified CLI client connection pattern Introduced a new WithClient pattern to reduce boilerplate gRPC client setup across all CLI commands, removing repetitive connection and error handling code.
r2	Added column filtering for CLI tables Introduced a new --columns flag for table commands to allow customizable column display. Updated table rendering infrastructure to support dynamic column selection and ordering, with a detailed implementation guide for developers.
r1	Enhance CLI with robust infrastructure This extensive changeset introduces a complete CLI infrastructure for the Headscale project, including: New testing infrastructure for CLI commands Refactored command implementations with improved error handling and validation Comprehensive unit and integration test coverage New utility functions for flag handling, validation, and output formatting Mock client and testing helpers for CLI command testing Standardized command patterns and error handling Documentation improvements for CLI usage and commands Key files added include: Multiple test files (e.g., *_test.go) New utility files like flags.go, validation.go, client.go Refactored command implementations Integration test files for various CLI commands The changes significantly improve the CLI's robustness, testability, and maintainability.

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