Scenario 31: Import dual-mode plugin repo

Use this when a repository contains both harness project files (for example AGENTS.md, CLAUDE.md) and a plugin manifest at the repo root (for example...

Frequency: Common · Status: Shipped

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Use this when a repository contains both harness project files (for example AGENTS.md, CLAUDE.md) and a plugin manifest at the repo root (for example .claude-plugin/plugin.json, .codex-plugin/plugin.json, or .github/plugin/plugin.json). A normal scan automatically merges harness files with repo-root skills/, commands/, and hooks/ trees that the plugin manifest describes.

Typical commands:

# Preview harness + plugin-source imports (merged when a manifest is present)
harnesstap scan . --dry-run

# Scope to one harness
harnesstap scan . --harness claude-code

# Build a layer from the merged scan (layer from-project always merges both)
harnesstap layer from-project my-layer --project .
harnesstap layer show my-layer

Dry-run output shows two sections when both sides contribute: harness platforms and plugin imports. Imported plugin resources carry provenance metadata (source_plugin_kind, relative_path) for audit and resource sync.

See portability limits for what plugin import does and does not cover (hooks with install-time paths, runtime-only adapters).