MORI-SOC v0.5.0-alpha.2 — Alpha Release 2: Core Structure Stabilization

• Completed J-series modularization.
• Refactored server.py into a thin FastAPI orchestrator.
• Added domain route modules under api/routes.
• Introduced RouteContext for shared in-memory operational stores and helper wiring.
• Updated README architecture to reflect the modular API structure.
• Prepared the codebase for the next Phase 2 milestone: PostgreSQL persistence.