Save chat history to Firestore under: users/{user}/chats/{bot}

Retrieve all bots for a given user. Returns a list of dicts [{name, file, persona?}, ...]

Returns (embed_model, faiss_index, bot_lines list) Cached per content string.

Get the bot's full text content and optional persona. Returns (file_text, persona)

Register a new user with hashed password. Returns False if username already exists.

Store bot data inside Firestore: users/{username}/bots/{bot_name} Supports optional 'persona' (personality description).

Delete a bot and its data from Firestore.

Extract only that person's messages from WhatsApp-style chat exports. Supports formats like: 12/04/2023, 5:22 pm - Raykay: message

Ask Gemini for a short persona description. Keep temperature low for deterministic output. Tolerant if no genai client is configured.

Load chat history from Firestore. Returns an empty list if no history found.

Rename a bot or update its file text. Creates a new document and deletes the old one.

Update only the persona field for a bot.