setting up slop app

gemini.py

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+# gemini.py
+import tomllib
+from pathlib import Path
+import google.generativeai as genai
+
+_cache = None
+_model = None
+_chat = None
+
+def _load_key() -> str:
+    with open("credentials.toml", "rb") as f:
+        return tomllib.load(f)["gemini"]["api_key"]
+
+def _ensure_model():
+    global _model
+    if _model is None:
+        genai.configure(api_key=_load_key())
+        _model = genai.GenerativeModel("gemini-1.5-pro")
+
+def _ensure_chat():
+    global _chat
+    if _chat is None:
+        _ensure_model()
+        _chat = _model.start_chat(history=[])
+
+def send(md_content: str, user_message: str) -> str:
+    global _cache, _chat
+    _ensure_chat()
+
+    full_message = f"<context>\n{md_content}\n</context>\n\n{user_message}"
+    response = _chat.send_message(full_message)
+    return response.text
+
+def reset_session():
+    global _cache, _model, _chat
+    _cache = None
+    _model = None
+    _chat = None