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+---
+name: hack
+description: Implement a GitHub issue end-to-end until CI passes
+args:
+  - name: issue_url
+    description: GitHub issue URL (e.g., https://github.com/user/repo/issues/123)
+    required: true
+  - name: plan_mode
+    description: Whether to run in plan mode (true/false, default false)
+    required: false
+---
+
+This command implements a GitHub issue from start to finish, ensuring all CI checks pass.
+
+**Usage**: `/hack <github-issue-url> [plan_mode]`
+
+**What it does**:
+1. Fetches the GitHub issue details using `gh` CLI
+2. Analyzes the issue requirements and creates an implementation plan
+3. If plan_mode=true, presents plan for approval before implementing
+4. Implements the requested feature or fix
+5. Creates a commit with proper issue reference
+6. Runs `om ci` to validate the implementation
+7. Iterates and fixes any CI failures until all checks pass
+
+**Workflow**:
+1. Parse the GitHub issue URL to extract repository and issue number
+2. Use `gh api` to fetch issue title, description, and labels
+3. Create a detailed implementation plan based on issue requirements
+4. Implement the solution step by step
+5. Commit changes with concise description
+6. Run `om ci` and analyze any failures
+7. Fix CI issues and re-run until all checks pass
+8. Provide final status report
+
+**Prerequisites**:
+- GitHub CLI (`gh`) must be authenticated
+- Must be in a git repository with a non-mainline branch
+- omnix (`om`) must be available for CI checks
+- Repository must have CI configured via omnix
+
+**Error handling**:
+- Validates GitHub URL format
+- Handles GitHub API errors gracefully
+- Provides detailed feedback on CI failures
+- Supports iterative fixing until CI passes
+
+**Examples**:
+```
+/hack https://github.com/myorg/myproject/issues/42
+/hack https://github.com/myorg/myproject/issues/42 true
+```
+
+First example directly implements issue #42. Second example creates a plan first and waits for approval before implementing.
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