feat: suggest commands for mistyped CLI input

[ompathak2004]

Summary

• Suggest the closest valid command when users mistype a CLI command or subcommand (Git-style "Did you mean?")
• Supports nested commands and aliases; skips hidden/internal commands
• Handles global flags before parsing command tokens

Closes discussion #294

• pnpm dev template → suggests resend templates
• pnpm dev contact → suggests resend contacts
• pnpm dev telemetri → no suggestion (hidden command)

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Summary by cubic

Adds Git-style “Did you mean?” suggestions for mistyped CLI commands and subcommands. Installed via installCommandSuggestions(program) to guide users without revealing hidden commands.

• New Features

  • Intercepts unknown-command errors via configureOutput and suggests candidates using a Damerau–Levenshtein score.
  • Skips global flags and their values before matching, suggests full command paths, prints canonical names, and preserves existing unknown option suggestions.

• Bug Fixes

  • Treats empty optional option values (e.g., --profile "") as present so they’re consumed before matching commands.

^{Written for commit 10b4197. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 3 files

<sub>Auto-approved: This PR adds a CLI command suggestion feature with comprehensive tests; its impact is limited to user-facing error messages and does not affect core business logic or data integrity, making it safe to auto-approve.

Re-trigger cubic</sub>

[gabrielmfern]

I don't think we need this cast

[gabrielmfern]

we also don't need this type

[gabrielmfern]

imo this function should also be inlined, otherwise it's harder to read

[gabrielmfern]

can we use some library for this? otherwise we should have some very strong unit testing for this algorithm

[cubic-dev-ai]

1 issue found across 2 files (changes from recent commits).

<sub>Reply with feedback, questions, or to request a fix.

Fix all with cubic | Re-trigger cubic</sub>

[cubic-dev-ai]

0 issues found across 2 files (changes from recent commits).

<sub>Requires human review: This PR adds 306 lines of new library code implementing a 'did you mean' command suggestion system with Levenshtein distance matching, which, despite passing tests and having no detected issues, is a non-trivial feature in a CLI tool that could affect user interaction and debugging paths,...

Re-trigger cubic</sub>