Remove Uptime Kuma integration

- Delete kuma_client.py and all Kuma-related code
- Remove /infrastructure/monitors endpoints
- Update service start/stop to use Portainer only
- Simplify service control widget to show container status
- Remove Kuma config and credentials
- Delete stale memory tests (moved to core-ai service)
- Add test infrastructure with pytest
- Add tests for service_groups, config, and health endpoints
- Bump version to 1.1.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/config.py

@@ -25,7 +25,6 @@ try:
     from src.credentials import (
         PORTAINER_URL, PORTAINER_API_KEY,
         NPM_URL, NPM_EMAIL, NPM_PASSWORD,
-        KUMA_URL, KUMA_USERNAME, KUMA_PASSWORD, KUMA_API_KEY,
         BRAVE_SEARCH_API_KEY,
         GOOGLE_SEARCH_API_KEY, GOOGLE_SEARCH_ENGINE_ID
     )
@@ -37,10 +36,6 @@ except ImportError:
     NPM_URL = "http://localhost:81"
     NPM_EMAIL = ""
     NPM_PASSWORD = ""
-    KUMA_URL = "http://localhost:3001"
-    KUMA_USERNAME = ""
-    KUMA_PASSWORD = ""
-    KUMA_API_KEY = ""
     BRAVE_SEARCH_API_KEY = ""
     GOOGLE_SEARCH_API_KEY = ""
     GOOGLE_SEARCH_ENGINE_ID = ""
@@ -127,11 +122,6 @@ class Settings(BaseSettings):
     npm_email: str = NPM_EMAIL
     npm_password: str = NPM_PASSWORD
 
-    kuma_url: str = KUMA_URL
-    kuma_username: str = KUMA_USERNAME
-    kuma_password: str = KUMA_PASSWORD
-    kuma_api_key: str = KUMA_API_KEY
-
     # Core-AI Service (AI performance metrics)
     core_ai_base_url: str = "http://core-ai:8086"