Rename project to Kao

- Renamed sentry.py to kao.py
- Updated all references from Sentry-Emote to Kao
- Kao (顔) means "face" in Japanese

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## Project Overview
 
-Sentry-Emote is a minimalist system status monitor designed for an old Pixel phone used as an ambient display. It uses ASCII "emotes" to represent system health instead of complex graphs.
+Kao is a minimalist system status monitor designed for an old Pixel phone used as an ambient display. It uses ASCII "emotes" to represent system health instead of complex graphs.
 
 ## Architecture
 
@@ -20,7 +20,7 @@ Sentry-Emote is a minimalist system status monitor designed for an old Pixel pho
 - **Aggregator** (`aggregator.py`) — Flask service managing the event queue and priority logic
 - **Detectors** (`detectors/*.py`) — Independent scripts monitoring system metrics
 - **Emote-UI** (`index.html`) — OLED-optimized web frontend
-- **Sentry** (`sentry.py`) — Unified entry point managing all processes
+- **Sentry** (`kao.py`) — Unified entry point managing all processes
 
 ## Quick Start
 
@@ -28,7 +28,7 @@ Sentry-Emote is a minimalist system status monitor designed for an old Pixel pho
 python -m venv venv
 source venv/bin/activate  # or .\venv\Scripts\activate on Windows
 pip install -r requirements.txt
-python sentry.py
+python kao.py
 ```
 
 UI available at http://localhost:5000
@@ -107,7 +107,7 @@ Additional states:
 ## File Structure
 
 ```
-├── sentry.py           # Unified entry point
+├── kao.py           # Unified entry point
 ├── aggregator.py       # Event broker/API server
 ├── index.html          # OLED-optimized frontend
 ├── config.json         # Runtime configuration

README.md

@@ -1,4 +1,4 @@
-# Sentry-Emote
+# Kao
 
 A minimalist system status monitor that uses ASCII emotes to display server health on an old phone.
 
@@ -20,14 +20,14 @@ Turn an old phone (with its OLED screen) into a glanceable ambient display for y
 
 ```bash
 # Clone and setup
-git clone https://github.com/yourusername/sentry-emote.git
-cd sentry-emote
+git clone https://github.com/yourusername/kao.git
+cd kao
 python -m venv venv
 source venv/bin/activate  # Windows: .\venv\Scripts\activate
 pip install -r requirements.txt
 
 # Run everything
-python sentry.py
+python kao.py
 ```
 
 Open http://localhost:5000 on your phone (use Fully Kiosk Browser for best results).

aggregator.py

@@ -1,5 +1,5 @@
 """
-Sentry-Emote Aggregator
+Kao Aggregator
 A lightweight event broker that manages priority-based system status.
 """
 

kao.py

@@ -1,9 +1,9 @@
 """
-Sentry-Emote
+Kao
 Single entry point for the entire system - aggregator + all detectors.
 
 Usage:
-    python sentry.py [--config config.json]
+    python kao.py [--config config.json]
 """
 
 import json
@@ -22,7 +22,7 @@ RESTART_DELAY = 5
 AGGREGATOR_STARTUP_TIMEOUT = 10
 
 
-class SentryEmote:
+class KaoManager:
     def __init__(self, config_path):
         self.config_path = Path(config_path)
         self.base_dir = self.config_path.parent
@@ -150,7 +150,7 @@ class SentryEmote:
     def stop_all(self):
         """Stop all processes (detectors first, then aggregator)."""
         self.running = False
-        print("\nShutting down Sentry-Emote...")
+        print("\nShutting down Kao...")
 
         # Stop detectors first
         for name, info in list(self.processes.items()):
@@ -176,14 +176,14 @@ class SentryEmote:
                 except subprocess.TimeoutExpired:
                     process.kill()
 
-        print("Sentry-Emote stopped.")
+        print("Kao stopped.")
 
     def run(self):
         """Main run loop."""
         self.load_config()
 
         print("=" * 50)
-        print("  Sentry-Emote")
+        print("  Kao")
         print("=" * 50)
         print(f"Config: {self.config_path}")
         print(f"Aggregator URL: {self.config.get('aggregator_url')}")
@@ -247,17 +247,17 @@ def main():
         sys.exit(1)
 
     # Setup signal handlers
-    sentry = SentryEmote(config_path)
+    kao = KaoManager(config_path)
 
     def signal_handler(sig, frame):
-        sentry.stop_all()
+        kao.stop_all()
         sys.exit(0)
 
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
 
     # Run
-    sentry.run()
+    kao.run()
 
 
 if __name__ == "__main__":