feat(features): add devcontainer feature for AI coding agents #57
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Current behavior: N/A - new feature New behavior: Adds a devcontainer feature that installs Claude Code, Gemini CLI, and Codex CLI via npm. The feature supports: - Enable/disable each agent independently - Pin specific versions or use "latest" - Soft dependency on Node.js feature via installsAfter The feature is published to ghcr.io/gilmanlab/features/agents and is dogfooded in the project's own devcontainer configuration. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Deploying with
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| Status | Name | Latest Commit | Preview URL | Updated (UTC) |
|---|---|---|---|---|
| ✅ Deployment successful! View logs |
headjack | 4f8b2aa | Commit Preview URL Branch Preview URL |
Jan 05 2026, 07:40 PM |
Current behavior: The koalaman/shellcheck-action reference was not resolvable, causing the lint job to fail. New behavior: Use shellcheck directly via find command. Ubuntu runners have shellcheck pre-installed. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Current behavior: The devcontainer features test command failed because it expected src/ and test/ directories at the project root. New behavior: Restructured to use the expected layout: - images/features/src/agents/ - feature source files - images/features/test/agents/ - test scenarios and scripts 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Current behavior: The --features path was incorrectly appended to --project-folder, resulting in a non-existent path. New behavior: Use just the feature name since --project-folder handles the base path. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Current behavior: Feature failed on base images without Node.js, and test-default scenario was missing a test script. New behavior: - install.sh now auto-installs Node.js via apt/apk/dnf/yum if npm is not available, making the feature self-contained - Added test-default.sh script for the test-default scenario 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
ghcr.io/gilmanlab/features/agents) that installs Claude Code, Gemini CLI, and Codex CLIChanges
images/features/agents/devcontainer-feature.jsonimages/features/agents/install.shimages/features/agents/README.mdimages/features/agents/test/.github/workflows/features.yml.devcontainer/devcontainer.jsonTest plan
devcontainer features testghcr.io/gilmanlab/features/agents:1🤖 Generated with Claude Code