Add session start hook for version check#106
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Adds a version check that runs at session start and warns users if their Claude Code version is below the minimum (2.1.14). Older versions have known bugs that may cause issues with DeepWork functionality. The warning is printed to stderr with clear messaging about the issue and a suggestion to run /update to update Claude Code.
- Use hookSpecificOutput.additionalContext to pass version warning to Claude's context, enabling it to inform users appropriately - Keep visual stderr warning for immediate user visibility - Add comprehensive test suite (17 tests) covering version comparison, warning output, hook conformance, and edge cases - Fix graceful handling when claude command is not available
Prevent the hook from running multiple times per session by checking an environment variable at the start. SessionStart hooks can trigger on resume, clear, etc., and we only want to show the warning once.
The test expected `/update` in stderr but the script outputs "Update your version of Claude Code" instead. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Adds a version check that runs at session start and warns users if their Claude Code version is below the minimum (2.1.14). Older versions have known bugs that may cause issues with DeepWork functionality.
The warning is printed to stderr with clear messaging about the issue and a suggestion to run /update to update Claude Code.