fix: compiler warning, CLI help, CODE_OF_CONDUCT

[kienbui1995]

Polish:

• Fix last compiler warning (FallbackProvider.fallback dead_code)
• CLI --help now shows descriptions for all args
• CODE_OF_CONDUCT.md added

0 warnings, 192 tests.

Summary by CodeRabbit

• Documentation

  • Added Code of Conduct document that establishes community standards, defines contributor expectations, describes unacceptable behaviors, and outlines incident reporting and resolution procedures for the community.

• New Features

  • Extended the CLI with new configuration flags for LLM providers, model settings, token limits, and session management, giving users greater control over execution parameters and behavior.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ffa55c3f-f021-4129-895c-9bd6ee307b37

📥 Commits

Reviewing files that changed from the base of the PR and between 5b6fbd0 and 9563060.

📒 Files selected for processing (3)

• CODE_OF_CONDUCT.md
• mc/crates/mc-cli/src/main.rs
• mc/crates/mc-cli/src/provider.rs

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📝 Walkthrough

Walkthrough

This PR adds a CODE_OF_CONDUCT.md file establishing contributor guidelines, extends the CLI struct with new LLM provider configuration and execution control flags, and updates a fallback provider comment with a TODO note.

Changes

Cohort / File(s)	Summary
Project Governance CODE_OF_CONDUCT.md	Added contributor code of conduct document based on Contributor Covenant v2.1, defining expected behavior, reporting procedures, and enforcement guidelines.
CLI & Provider Configuration mc/crates/mc-cli/src/main.rs, mc/crates/mc-cli/src/provider.rs	Extended Cli struct with new command-line flags for LLM/provider configuration (model, max_tokens, provider, base_url, api_key) and execution controls (verbose, resume, session_id, pipe, output). Updated fallback provider stream implementation comment to clarify TODO for stream-level fallback handling.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• feat: named agents, audit timestamps, --trace logging #32: Also modifies the Cli struct in main.rs by adding new command-line flags (--trace flag).
• fix(security): --yes no longer bypasses bash permissions #30: Also extends the Cli struct in main.rs with additional CLI flags.

Poem

🐰 A code of conduct hops into place,
While CLI flags add features with grace,
The fallback waits for its turn to shine,
With TODOs marked and futures aligned! ✨

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/polish

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