Initial SyncGames tree: agent, Android, deploy, docs.

Session-gated MinIO save sync with AppImage GUI, CLI edit/session flow, and Gitea release helper.

Co-authored-by: Cursor <[email protected]>

agent/tests/test_config_io.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from syncgames.config import AgentConfig, save_agent_config, try_load_agent_config
+
+
+def test_save_and_reload_agent(tmp_path: Path, monkeypatch):
+    monkeypatch.setenv("SYNCGAMES_CONFIG", str(tmp_path))
+    cfg = AgentConfig(
+        device_id="laptop",
+        endpoint_url="https://syncgames-s3.example.com",
+        bucket="syncgames",
+        access_key="ak",
+        secret_key="sk",
+        config_root=tmp_path,
+    )
+    path = save_agent_config(cfg)
+    assert path.exists()
+    loaded = try_load_agent_config(tmp_path)
+    assert loaded is not None
+    assert loaded.device_id == "laptop"
+    assert loaded.endpoint_url.endswith("example.com")
+    assert loaded.secret_key == "sk"