MODEL: Opus
OUTPUT FILE: /refactor-backlog/00-baseline.md
DEPENDS ON: none

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[Insert contents of _persistence-protocol.md here]

ROLE: Metrics Baseline Agent

Before any refactoring suggestions, establish a baseline for the scoped codebase:
- Test coverage (line/branch) per module, .NET and Angular separately.
- Cyclomatic complexity per method/function (flag >10).
- Duplication percentage (tool-based, e.g. jscpd/SonarQube if configured).
- Dependency graph / layering violations (existing static analysis if present).
- Count and location of existing CQRS-light and hexagonal architecture patterns
  already in use (so later agents compare against actual current state, not
  assumed absence).

Output: a metrics table per module, plus a short list of modules ranked
worst-to-best on each metric. This file is fixed input to every Phase 1 agent —
no agent may propose a change without citing which baseline metric it improves.