feat(M1.4.2): Beatrice CLI Core Implementation - Complete

[LyeZinho]

Summary

M1.4.2 Implementation Complete - All 10 tasks implemented and tested.

• Implemented 6 CLI commands (exec, query, config, debug, repl, version) with full argument parsing via clap
• Built output formatters supporting text/json/yaml with ANSI color support
• Created configuration system with TOML persistence and dot-notation get/set
• Added comprehensive error handling with sysexits.h-compliant exit codes
• Implemented logging system with dynamic verbosity control via tracing
• All 12 tests passing (2 unit + 10 integration)

Changes

New Modules

• cli/commands.rs - clap command definitions (262 lines)
• cli/formatter.rs - text/json/yaml output formatting (129 lines)
• cli/handler.rs - command dispatch and execution logic (233 lines)
• cli/error.rs - error types and exit codes (76 lines)
• config/defaults.rs - default configurations (155 lines)
• config/loader.rs - TOML config loader (150 lines)
• logger.rs - tracing-subscriber initialization (31 lines)
• tests/cli_integration_tests.rs - 10 integration tests

Modified Files

• Cargo.toml - Added dependencies (clap derive, toml, colored, rustyline, thiserror)
• src/main.rs - Replaced with async tokio entry point

Test Results

✅ 12 tests passing, 0 failures

• 10 integration tests (all commands, flags, formats)
• 2 unit tests (formatter, duration formatting)

Verification

# Build
cargo build --package mimi-cli

# Test
cargo test --package mimi-cli

# Try it
cargo run --package mimi-cli -- --help
cargo run --package mimi-cli -- version

Commits

10 atomic commits:

1. feat(M1.4.2-task1): Create module structure for Beatrice CLI
2. feat(M1.4.2-task2): Add error types and exit codes
3. feat(M1.4.2-task3): Define all CLI commands with clap
4. feat(M1.4.2-task4): Add output formatters (text/json/yaml)
5. feat(M1.4.2-task5): Add configuration system (load/save/validate)
6. feat(M1.4.2-task6): Implement command handlers for all CLI commands
7. feat(M1.4.2-task7): Add logging initialization
8. feat(M1.4.2-task8): Implement main entry point with full CLI integration
9. feat(M1.4.2-task9): Add comprehensive integration tests for CLI
10. docs(M1.4.2): Add implementation summary and next steps

Next Phase (M1.4.3)

• Implement interactive REPL loop with rustyline
• Add HTTP server with actix-web
• Add WebSocket support
• Wire to Mimi state machine via Zenoh message bus