feat: Refactor services architecture and update project structure

- Remove Docker-based microservices (docker-compose.yml, Makefile, Dockerfiles)
- Update start-dev.sh to use backend.app:app entry point
- Add shared schema and client modules for service communication
- Add team coordination modules (messenger, registry, task_delegator, coordinator)
- Add evaluation hooks and skill adaptation hooks
- Add skill template and gateway server
- Update frontend WebSocket URL configuration
- Add explain components for insider and technical analysis

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

shared/schema/price.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+"""Price-related schemas."""
+
+from pydantic import BaseModel
+
+
+class Price(BaseModel):
+    open: float
+    close: float
+    high: float
+    low: float
+    volume: int
+    time: str
+
+
+class PriceResponse(BaseModel):
+    ticker: str
+    prices: list[Price]