Feat triggers v0.2.2 (#6)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

server/triggers/global.go

@@ -0,0 +1,25 @@
+package triggers
+
+import "sync"
+
+// globalEngine holds a reference to the active trigger engine.
+// Set by SetGlobalEngine at startup, used by handlers that need
+// to wire triggers immediately on package install.
+var (
+	globalMu     sync.RWMutex
+	globalEngine *Engine
+)
+
+// SetGlobalEngine stores the engine reference for use by handlers.
+func SetGlobalEngine(e *Engine) {
+	globalMu.Lock()
+	globalEngine = e
+	globalMu.Unlock()
+}
+
+// GlobalEngine returns the current engine, or nil.
+func GlobalEngine() *Engine {
+	globalMu.RLock()
+	defer globalMu.RUnlock()
+	return globalEngine
+}