mcp init

[vmelikyan]

• Implements 17 MCP tools for environment discovery, configuration, diagnostics, lifecycle operations, and hosted sites.
• Adds admin-controlled enabled and allowChanges settings with runtime enforcement.
• Adds idempotent Keycloak/OAuth provisioning and readiness checks during enablement and re-enablement.
• Uses lightweight disable semantics: tool access closes immediately while durable Keycloak configuration is retained.
• Adds strict input/output schema validation, authorization, rate limits, auditing, redaction, and destructive-action confirmation.
• Adds comprehensive protocol, tool, configuration, Keycloak, and live OAuth test coverage.