feat: 大屏后端（FastAPI+MQTT+sim_engine）

- REST :10085 / MQTT 控制 / SSE 回退 / AI+语音 - 数据源规划：接核心服务端 + 算力引擎真实数据
2026-08-23 22:35:05 +08:00
parent 9700eb652b
commit b681eac2df
236 changed files with 54727 additions and 0 deletions
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+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
+    groups:
+      actions:
+        patterns: ["*"]