feat: Introduce graph module for automaton representation.

feat: Implement core graph and judge nodes for the auditor, and add initial peer and self-audit reports.

feat: Implement core auditing system with judge and detective nodes, update audit rubric, and add initial documentation and sample files.

feat: Implement judicial agent functions (Prosecutor, Defense Attorney, Tech Lead Judge, Reporter) and graph structure for audit report generation.

feat: Implement core agent nodes for evidence collection, judicial opinion, and audit report generation.

feat: Add detective nodes for repository, document, and vision analysis, including state management, graph definition, tests, and rubric updates.

feat: Add `RepoInvestigator` and `DocAnalyst` nodes for forensic analysis of GitHub repositories and PDF documents.

feat: Introduce `RepoInvestigator` and `DocAnalyst` agents with supporting repository and document analysis tools, driven by a `rubric.json`.

feat: Initialize project structure by defining core data models, agent state, and setting up dependency management.