add a history command

README.md

@@ -9,6 +9,7 @@ A Discord bot that stores long-term chat history using SQLite with RAG (Retrieva
     - [Text-to-Speech](#text-to-speech)
     - [Image Commands](#image-commands)
     - [Bot Conversations](#bot-conversations)
+    - [Chat History](#chat-history)
   - [Features](#features)
   - [Setup](#setup)
     - [Prerequisites](#prerequisites)
@@ -69,6 +70,12 @@ Once you create a custom bot, interact with it by prefixing your message with th
 | -------------------------------------- | ------------------------------------------- | ------------------------------------------------ |
 | `!talkforme <bot1> <bot2> <n> <topic>` | Have two bots discuss a topic for n replies | `!talkforme alfred jarvis 4 the meaning of life` |
 
+### Chat History
+
+| Command               | Description                           | Example Usage     |
+| --------------------- | ------------------------------------- | ----------------- |
+| `!history <bot_name>` | View the chat history of a custom bot | `!history alfred` |
+
 ## Features
 
 - **Long-term chat history storage**: Persistent storage of all bot interactions in SQLite
@@ -78,6 +85,7 @@ Once you create a custom bot, interact with it by prefixing your message with th
 - **Image generation**: Generate images from text prompts via OpenAI-compatible API
 - **Image editing**: Edit uploaded images with text instructions
 - **Bot conversations**: Two custom bots can discuss a topic autonomously
+- **Chat history**: View the full conversation history of any custom bot with `!history`
 - **Automatic message cleanup**: Configurable limits on stored messages
 
 ## Setup
@@ -158,7 +166,7 @@ uv run python -m vibe_bot.main
 The system uses SQLite with three tables:
 
 1. **chat_messages**: Stores message metadata
-   - `message_id`, `user_id`, `username`, `content`, `timestamp`, `channel_id`, `guild_id`
+    - `message_id`, `user_id`, `username`, `content`, `bot_name`, `timestamp`, `channel_id`, `guild_id`
 
 2. **message_embeddings**: Stores vector embeddings for RAG
    - `message_id` (PK), `embedding` (binary blob of float32 values)