Initial commit: SenSu Alpha 0.2.0

- 13-service async plugin framework
- Textual TUI with CLI fallback
- Plugin hot-reload + permission system
- Web management panel (aiohttp)
- Bridge-based inter-module communication
- 10 regression tests

Fixes applied:
- PBKDF2-SHA256 auth (was plain SHA256)
- Auth bypass removed (was allow-all on fail)
- Bare excepts replaced with logged errors
- CatFramework/DreamSu -> SenSu naming unified
- ServiceManager: health checks + startup_order
- Env var credentials (SENSU_ADMIN_PASSWORD etc)

plugins/example_plugin/config.yaml

@@ -0,0 +1,16 @@
+# 示例插件配置
+name: "ExamplePlugin"
+version: "1.0.0"
+description: "这是一个示例插件，用于演示插件系统"
+author: "CatFramework Team"
+
+# 插件特定配置
+settings:
+  enabled: true
+  auto_start: true
+  log_level: "INFO"
+
+# 示例功能配置
+features:
+  echo_enabled: true
+  greeting_message: "🐱 你好喵~"