Changeset 0.33.0 (#207)

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

server/handlers/stream_loop.go

@@ -12,27 +12,39 @@ import (
 	"github.com/gin-gonic/gin"
 
 	"chat-switchboard/events"
+	"chat-switchboard/metrics"
 	"chat-switchboard/providers"
 	"chat-switchboard/sandbox"
 	"chat-switchboard/store"
 	"chat-switchboard/tools"
 )
 
-// recordHealthFn records provider health from standalone streaming functions.
+// recordHealthFn records provider health from standalone streaming functions
+// and updates Prometheus completion metrics (v0.33.0).
 func recordHealthFn(hr HealthRecorder, configID string, start time.Time, err error) {
+	duration := time.Since(start)
+	latencyMs := int(duration.Milliseconds())
+
+	if configID != "" {
+		metrics.CompletionDuration.WithLabelValues(configID, "").Observe(duration.Seconds())
+	}
+
 	if hr == nil || configID == "" {
 		return
 	}
-	latencyMs := int(time.Since(start).Milliseconds())
 	if err != nil {
 		errMsg := err.Error()
+		status := "error"
 		if strings.Contains(errMsg, "HTTP 429") || strings.Contains(errMsg, "rate limit") || strings.Contains(errMsg, "Too Many Requests") {
 			hr.RecordRateLimit(configID, latencyMs, errMsg)
+			status = "rate_limited"
 		} else {
 			hr.RecordError(configID, latencyMs, errMsg)
 		}
+		metrics.CompletionsTotal.WithLabelValues(configID, "", status).Inc()
 	} else {
 		hr.RecordSuccess(configID, latencyMs)
+		metrics.CompletionsTotal.WithLabelValues(configID, "", "success").Inc()
 	}
 }