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commands/c1-systems.md

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+---
+description: Identify C1-level systems from repositories
+argument-hint: [init-json-path]
+allowed-tools: Task, Read, Bash
+---
+
+Analyze repositories and identify C1 systems using C4 methodology.
+
+## Context
+
+- Init file: ${1:-init.json}
+- Status: !`test -f "${1:-init.json}" && echo "✅ exists" || echo "❌ missing"`
+- Validation: ${CLAUDE_PLUGIN_ROOT}/validation/scripts/
+
+## Workflow
+
+Use the Task tool to launch the **c1-abstractor** agent with the following requirements:
+
+**Input**:
+- Read init.json (repository paths and metadata)
+- Apply C4 Level 1 methodology via c4model-c1 skill
+
+**Process**:
+- Analyze each repository for system boundaries
+- Identify systems, actors, and high-level relationships
+- Create system folder structure via create-folders.sh script
+- Generate observations with evidence (file:line references)
+- Map system relations (dependencies, communication)
+
+**Output**:
+- c1-systems.json with structure:
+  - metadata (timestamp, parent reference to init.json)
+  - systems[] (id, name, type, purpose, repository_path)
+  - observations[] (category, content, evidence)
+  - relations[] (from, to, type, protocol)
+
+After agent completes:
+- Validate output: `bash ${CLAUDE_PLUGIN_ROOT}/validation/scripts/validate-c1-systems.py c1-systems.json`
+- Report results: systems count, next step
+
+**Next step**: /melly-c2-containers
+
+See [docs/workflow-guide.md](../../docs/workflow-guide.md) for detailed usage examples.