feat(recorder): 远程桌面录制器分辨率调整 1600x900 → 1920x1080

backend/app/config.py

@@ -130,7 +130,7 @@ class Settings:
     # Xvfb 虚拟桌面配置（有头模式远程桌面录制用）
     # 容器内无物理 DISPLAY，有头模式通过 Xvfb 提供虚拟 X Server，再经 x11vnc + websockify 投流 noVNC
     XVFB_DISPLAY: str = os.getenv("XVFB_DISPLAY", ":99")  # Xvfb display
-    XVFB_SCREEN: str = os.getenv("XVFB_SCREEN", "1600x900x24")  # 分辨率 x 色深
+    XVFB_SCREEN: str = os.getenv("XVFB_SCREEN", "1920x1080x24")  # 分辨率 x 色深
     NOVNC_PORT: int = int(os.getenv("NOVNC_PORT", "6080"))  # websockify 监听端口（noVNC 代理）
 
     # 目标机资源监控配置（SSH 方式采集被测系统资源）

backend/app/services/recorder_engine.py

@@ -67,7 +67,7 @@ def _start_xvfb_and_novnc() -> None:
 
     with _XVFB_LOCK:
         display = settings.XVFB_DISPLAY  # 如 :99
-        screen = settings.XVFB_SCREEN   # 如 1600x900x24
+        screen = settings.XVFB_SCREEN   # 如 1920x1080x24
         port = settings.NOVNC_PORT      # 6080
         display_num = display.lstrip(":")
         x_socket = f"/tmp/.X11-unix/X{display_num}"
@@ -645,7 +645,7 @@ class RecorderEngine:
             )
             session._context = session._browser.new_context(
                 ignore_https_errors=True,
-                viewport={"width": 1600, "height": 900},
+                viewport={"width": 1920, "height": 1080},
                 user_agent=fake_ua,
                 locale="zh-CN",
                 timezone_id="Asia/Shanghai",

backend/tests/test_recorder_e2e.py

@@ -798,11 +798,11 @@ class TestXvfbNovnc:
         from app.services import recorder_engine as re_mod
 
         monkeypatch.setenv("XVFB_DISPLAY", ":99")
-        monkeypatch.setenv("XVFB_SCREEN", "1600x900x24")
+        monkeypatch.setenv("XVFB_SCREEN", "1920x1080x24")
         monkeypatch.setenv("NOVNC_PORT", "6080")
         # 强制更新 settings 属性
         re_mod.settings.XVFB_DISPLAY = ":99"
-        re_mod.settings.XVFB_SCREEN = "1600x900x24"
+        re_mod.settings.XVFB_SCREEN = "1920x1080x24"
         re_mod.settings.NOVNC_PORT = 6080
 
         # poll() 返回 None 代表进程存活运行中（返回 0 代表已退出）

deploy/docker-compose.yml

@@ -57,7 +57,7 @@ services:
       - TARGET_MONITOR_ENABLED=true
       # Xvfb 虚拟桌面（有头模式录制用）
       - XVFB_DISPLAY=:99
-      - XVFB_SCREEN=1600x900x24
+      - XVFB_SCREEN=1920x1080x24
       - NOVNC_PORT=6080
     volumes:
       # 后端源码（更新后端只需重启容器，无需重建镜像）