From 5d61c3fea6be87967067dcf8305c4d176e3ad11c Mon Sep 17 00:00:00 2001
From: Slfhstd <slfhstd@gmail.com>
Date: Wed, 11 Mar 2026 21:06:04 +0000
Subject: [PATCH] changelog

---
 CHANGELOG.md | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 61 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea5c723..8759166 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,65 @@
-# Changelog - TestPostsBot V2
+# Changelog - TestPostsBot
 
-## Overview
+## Version 2.1.0 - Update Checker System
+
+### New Features
+
+#### 1. Update Checker System
+- Bot now periodically checks for new versions from a centralized update server
+- Automatically sends modmail notifications to subreddit modteam when updates are available
+- Includes changelog URL in notification for easy reference
+- 24-hour cooldown prevents spam (max 1 notification per day)
+- Runs as a background daemon thread alongside main bot operations
+- Tracks last update notification timestamp to file for persistence across restarts
+
+#### 2. Version Management
+- Bot version is now centralized at the top of `bot.py` in a dedicated section
+- `BOT_VERSION` and `BOT_NAME` constants used throughout the bot
+- Easy single-location reference for version updates
+- Version automatically included in update checker calls and user agent string
+
+#### 3. Infrastructure
+- Created separate `update_server/` project for version management service
+- Flask-based REST API serving version information via `/api/version/<bot_name>`
+- `versions.json` file stores version details for all bots
+- Docker support with Dockerfile for containerized deployment
+- Includes comprehensive README with deployment options
+
+### New Files
+- **update_checker.py** - Background module that checks for and notifies about updates
+
+### Modified Files
+
+#### bot.py
+- Added version constants section at top for easy reference
+- Added import for `update_checker` module
+- Added `start_update_checker()` call in `main()` function
+- User agent now uses version constants: `{BOT_NAME}/{BOT_VERSION}`
+
+#### requirements.txt
+- Added `requests` library for HTTP requests to update server
+
+#### docker-compose.yml
+
+- Volume mounts for persistent `versions.json` and log files
+
+### Configuration
+Update checker timing is configurable in `update_checker.py`:
+- `UPDATE_CHECK_INTERVAL = 60` seconds (check frequency)
+- `UPDATE_COOLDOWN = 86400` seconds (24 hours between notifications)
+
+### How It Works
+1. On startup, bot creates background thread running update checker
+2. Every hour, thread polls `https://updts.slfhstd.uk/api/version/TestPostsBot`
+3. If version differs from current `BOT_VERSION`, and 24 hours have passed since last notification, sends modmail
+4. Modmail includes current version, available version, and changelog URL
+5. Last notification timestamp stored in `DB/.last_update_check.txt`
+
+---
+
+## Version 2.0.0 - Trigger-Based Redesign
+
+### Overview
 Complete refactor of TestPostsBot to be a continuously running, trigger-based posting bot that responds to moderator commands via chat messages.
 
 ## Major Features Added