Add microservices, web UI, and replay tooling

tests/e2e/test_api_flow.py

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+from __future__ import annotations
+
+import asyncio
+
+import httpx
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+
+from services.api import app as api_app
+from services.game import app as game_app
+from services.analytics import app as analytics_app
+
+
+def _install_asgi_clients() -> list[httpx.AsyncClient]:
+    created: list[httpx.AsyncClient] = []
+
+    def make_client(app: FastAPI, base_url: str) -> httpx.AsyncClient:
+        client = httpx.AsyncClient(transport=httpx.ASGITransport(app=app), base_url=base_url)
+        created.append(client)
+        return client
+
+    api_app.clients["game"] = make_client(game_app.app, "http://game")
+    api_app.clients["analytics"] = make_client(analytics_app.app, "http://analytics")
+
+    dummy_ai = FastAPI()
+
+    @dummy_ai.get("/models")
+    def _models():
+        return {"models": []}
+
+    @dummy_ai.post("/act")
+    def _act():
+        return {"action": {"type": "end_turn", "payload": {}}, "debug": {}}
+
+    api_app.clients["ai"] = make_client(dummy_ai, "http://ai")
+    return created
+
+
+def _close_clients(clients: list[httpx.AsyncClient]) -> None:
+    for client in clients:
+        try:
+            asyncio.get_event_loop().run_until_complete(client.aclose())
+        except RuntimeError:
+            asyncio.run(client.aclose())
+
+
+def test_api_game_flow() -> None:
+    with TestClient(api_app.app) as client:
+        created = _install_asgi_clients()
+        response = client.post("/api/auth/register", json={"username": "eve", "password": "secret"})
+        assert response.status_code == 200
+        token = response.json()["token"]
+        headers = {"Authorization": f"Bearer {token}"}
+
+        response = client.post("/api/games", json={"name": "Arena", "max_players": 2}, headers=headers)
+        assert response.status_code == 200
+        game_id = response.json()["id"]
+
+        response = client.post(f"/api/games/{game_id}/join", headers=headers)
+        assert response.status_code == 200
+
+        response = client.post(
+            f"/api/games/{game_id}/add-ai",
+            json={"ai_type": "random"},
+            headers=headers,
+        )
+        assert response.status_code == 200
+
+        response = client.post(f"/api/games/{game_id}/start", headers=headers)
+        assert response.status_code == 200
+        assert response.json()["status"] == "running"
+        _close_clients(created)