Add resume mode (-r flag) using standard frontmatter filtering

[Copilot]

• Explore repository structure and understand codebase
• Build and test current implementation (all tests pass)
• Refactor resume mode to use standard selector mechanism
• Update -r flag to add -s resume=true selector and skip rules
• Update tests to use -s resume=false for normal mode
• Update documentation to reflect new approach
• Fix indentation in integration_test.go using gofmt
• Fix matchesIncludes to handle boolean frontmatter values
• All tests pass (15 integration tests, 12 unit tests)

Summary

Fixed tests after @alexec's changes to support boolean values in frontmatter:

• Updated matchesIncludes to use fmt.Sprint(fmValue) to convert any frontmatter value type to string before comparison
• This allows proper comparison when YAML parses resume: true/false as boolean values
• All tests now pass including the new boolean value test

Original prompt

I want the tool to be "resume" aware. when a "-r" flag is passed, then we're resuming. We don't need to restate the rules. Thes should not be output. Which task prompt? The one labelled with "resume: true".

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[alexec]

@copilot please make the changes.

[alexec]

@copilot "resume" can be a standard front-matter filter. We should be able to have two prompts for the same task.

[Copilot]

Refactored to use standard frontmatter filtering. The resume field is now a regular selector field, and -r is shorthand for -s resume=true + skip rules. This allows multiple task prompts for the same task name. See commit 07213fe.

[alexec]

@copilot to exclude from resume, "resume: false".

[Copilot]

Updated documentation and examples to show resume: false for initial tasks. Users can now use -s resume=false to explicitly select non-resume tasks. See commit 07213fe.

[Copilot]

@copilot please make the changes.

Changes completed. Refactored resume mode to use standard frontmatter filtering mechanism as requested. The -r flag now adds -s resume=true selector and skips rules, allowing multiple task prompts for the same task name. See commit 07213fe.

[alexec]

@copilot I have made changes. Please fix the tests.

[Copilot]

@copilot I have made changes. Please fix the tests.

Fixed. Updated matchesIncludes to use fmt.Sprint(fmValue) to properly compare frontmatter values (which can be booleans from YAML) with selector strings. All tests now pass. See commit b6276cc.