Add server launch QA gate

Scripts/verify_server_launch_gate.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+"""Verify the MVP server launch QA gate is documented and scripted."""
+
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+ROADMAP = ROOT / "AGRARIAN_DEVELOPMENT_ROADMAP.md"
+QA_DOC = ROOT / "Docs" / "QA" / "MvpQaGates.md"
+RUNBOOK = ROOT / "Docs" / "Ops" / "DedicatedServerBuildRunbook.md"
+DEDICATED_BAT = ROOT / "Scripts" / "BuildLinuxDedicatedServer-Windows.bat"
+FALLBACK_BAT = ROOT / "Scripts" / "PackageLinuxGameServerFallback-Windows.bat"
+
+REQUIRED = {
+    QA_DOC: [
+        "## Server Launch",
+        "Scripts/BuildLinuxDedicatedServer-Windows.bat",
+        "Scripts/PackageLinuxGameServerFallback-Windows.bat",
+        "/opt/agrarian/server/AgrarianGameServer.sh",
+        "agrarian-game-server.service",
+        "0.0.0.0:7777/udp",
+        "Ground Zero map browse started",
+    ],
+    RUNBOOK: [
+        "Scripts\\BuildLinuxDedicatedServer-Windows.bat",
+        "Scripts\\PackageLinuxGameServerFallback-Windows.bat",
+        "Deploy the fallback package to `/opt/agrarian/server`",
+        "-server -port=7777 -NullRHI -nosound",
+    ],
+    DEDICATED_BAT: [
+        "AgrarianGameServer Linux Development",
+        "LINUX_MULTIARCH_ROOT",
+        "Builds\\LinuxServerDevelopment",
+    ],
+    FALLBACK_BAT: [
+        "Builds\\LinuxGameDevelopment",
+        "-platform=Linux",
+        "BuildCookRun",
+    ],
+    ROADMAP: [
+        "[x] Can launch server.",
+    ],
+}
+
+
+def main() -> None:
+    missing: list[str] = []
+    for path, snippets in REQUIRED.items():
+        text = path.read_text(encoding="utf-8")
+        for snippet in snippets:
+            if snippet not in text:
+                missing.append(f"{path.relative_to(ROOT)} missing {snippet!r}")
+    if missing:
+        raise SystemExit("FAILED: " + "; ".join(missing))
+    print("OK: server launch QA gate is documented and tied to build scripts.")
+
+
+if __name__ == "__main__":
+    main()