feat: 完成模拟交易闭环、App 与 A 股行情接入

统一单入口 Go 工程与前端依赖目录，增加后台供应商配置、候选审核、计划预算、成交冲正、持仓复盘和站内通知。接入策略版本、Python 回测、可配置 A 股公开行情及 zap 文件轮转日志，补充迁移、契约与验证。

.github/workflows/check.yml

@@ -24,12 +24,23 @@ jobs:
         with:
           go-version-file: go.mod
           cache-dependency-path: go.sum
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
       - uses: actions/setup-node@v4
         with:
           node-version: 22
           cache: npm
-      - run: npm ci
-      - run: make build
-      - run: make test
+          cache-dependency-path: |
+            web/admin/package-lock.json
+            apps/mobile/package-lock.json
+      - run: npm --prefix web/admin ci
+      - run: npm --prefix apps/mobile ci
+      - run: npm --prefix apps/mobile run typecheck
+      - run: npm --prefix apps/mobile run test
+      - run: npm --prefix apps/mobile run build
+      - run: npm --prefix web/admin run build
+      - run: go build -trimpath -o bin/veyra .
+      - run: go test -race ./...
       - run: go vet ./...
-      - run: test -z "$(gofmt -l cmd internal)"
+      - run: test -z "$(gofmt -l main.go internal)"