Add clacks skill command for Agent Skills integration (downstairs-daw…

…gs#58)

* Add clacks skill command for Agent Skills integration

* Bump version to 0.4.2

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add --force flag to skill command

Directory creation now requires --force flag. Without it, the command
fails with a helpful error message if parent directories don't exist.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add --outdir option to skill command

Allows writing SKILL.md to a custom directory, supporting adopters
of the Agent Skills standard not explicitly listed in --mode.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Make --mode and --outdir mutually exclusive

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Rename skill from slack to clacks

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Merge pull request downstairs-dawgs#57 from zomglings/rolodex-fixes

Fix rolodex issues from PR downstairs-dawgs#53 review

Merge pull request downstairs-dawgs#53 from zomglings/rolodex

Implement rolodex: local cache for users and channels

Merge pull request downstairs-dawgs#52 from zomglings/delete-messages

Add delete command to remove messages

Merge pull request downstairs-dawgs#49 from zomglings/clacks-info

Add app_type to clacks config info output

Merge pull request downstairs-dawgs#46 from sartoshi-foot-dao/update-…

…description

Update repository description

Merge pull request downstairs-dawgs#44 from zomglings/login-mode-pat

Add cookie-based authentication mode

Merge pull request downstairs-dawgs#35 from zomglings/fix-message-tim…

…estamp-validation

Validate exact timestamp match for --message flag

Merge pull request downstairs-dawgs#34 from zomglings/add-reactions-c…

…ommand

Add react command for managing emoji reactions

Merge pull request downstairs-dawgs#33 from zomglings/bump-version-0.1.1

Bump version to 0.1.1