Name log fields, metrics and the Core Rule Set package for what they are (closes #192)

Log field, metric, action and event names now say what they count
and, for timings, the unit. Package internal/waf is internal/coreruleset.

Model: opus-5-5

internal/rproxy/request.go

@@ -371,8 +371,8 @@ func (rq *request) finish(ctx context.Context) {
 		Status:             rq.out.status,
 		RequestBytes:       requestBytes,
 		ResponseBytes:      responseBytes,
-		DurationRequest:    requestlog.Milliseconds(requestEnd.Sub(rq.start)),
-		DurationResponse:   requestlog.Milliseconds(end.Sub(requestEnd)),
+		DurationRequestMS:  requestlog.Milliseconds(requestEnd.Sub(rq.start)),
+		DurationResponseMS: requestlog.Milliseconds(end.Sub(requestEnd)),
 		Disposition:        rq.disposition,
 		DefaultDisposition: rq.byDefault,
 	})
@@ -385,14 +385,14 @@ func (rq *request) finish(ctx context.Context) {
 	}
 
 	report := &discriminator.Report{
-		RequestID:     rq.id,
-		Status:        min(rq.out.status, reportStatusMax),
-		RequestBytes:  requestBytes,
-		ResponseBytes: responseBytes,
-		DurationTotal: requestlog.Milliseconds(end.Sub(rq.start)),
+		RequestID:       rq.id,
+		Status:          min(rq.out.status, reportStatusMax),
+		RequestBytes:    requestBytes,
+		ResponseBytes:   responseBytes,
+		DurationTotalMS: requestlog.Milliseconds(end.Sub(rq.start)),
 	}
 	if !rq.upstreamStart.IsZero() {
-		report.DurationUpstreamTotal = requestlog.Milliseconds(end.Sub(rq.upstreamStart))
+		report.DurationUpstreamTotalMS = requestlog.Milliseconds(end.Sub(rq.upstreamStart))
 	}
 
 	rq.h.sendReport(ctx, report)