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09054fbdab
feat(mcp): implement §3 Services (ToolRegistry + McpQuotaService + QueryAuditService + ToolDependencyService) (#851)
Additive-only — no existing files modified.
- ToolRegistry: register/resolve/listTools/buildDependencyGraph
- Singleton via registerSingleton() entry point (no Boot.php wire-in
per scope; tests cover the binding path)
- McpQuotaService: workspace-scoped checkQuota/consume/reset
- QueryAuditService: log/query/aggregate (expects mcp_audit_entries
table; tests create inline as migration was out-of-scope)
- ToolDependencyService: validateDependencies via graph traversal
Data DTOs: ToolMetadata, QuotaResult, AuditEntry as readonly.
Pest Feature tests _Good/_Bad/_Ugly per AX-10.
pest skipped (vendor binaries missing).
Co-authored-by: Codex <noreply@openai.com>
Closes tasks.lthn.sh/view.php?id=851