Updates to accommodate the new upstream version of feedkit (v0.5.0), which now supports both polling sources and streaming sources.

cmd/weatherfeeder/main.go

@@ -51,10 +51,11 @@ func main() {
 	sinkReg.Register("nats", func(cfg config.SinkConfig) (fksinks.Sink, error) {
 		return fksinks.NewNATSSinkFromConfig(cfg)
 	})
+
 	// --- Build sources into scheduler jobs ---
 	var jobs []fkscheduler.Job
 	for i, sc := range cfg.Sources {
-		src, err := srcReg.Build(sc)
+		in, err := srcReg.BuildInput(sc) // may be polling or streaming
 		if err != nil {
 			log.Fatalf("build source failed (sources[%d] name=%q driver=%q): %v", i, sc.Name, sc.Driver, err)
 		}
@@ -65,16 +66,25 @@ func main() {
 			if err != nil {
 				log.Fatalf("invalid kind in config (sources[%d] name=%q kind=%q): %v", i, sc.Name, sc.Kind, err)
 			}
-			if src.Kind() != expectedKind {
+			if in.Kind() != expectedKind {
 				log.Fatalf(
 					"source kind mismatch (sources[%d] name=%q driver=%q): config kind=%q but driver emits kind=%q",
-					i, sc.Name, sc.Driver, expectedKind, src.Kind(),
+					i, sc.Name, sc.Driver, expectedKind, in.Kind(),
 				)
 			}
 		}
 
+		// If this is a polling source, every is required.
+		if _, ok := in.(fksources.Source); ok && sc.Every.Duration <= 0 {
+			log.Fatalf(
+				"polling source missing/invalid interval (sources[%d] name=%q driver=%q): sources[].every must be > 0",
+				i, sc.Name, sc.Driver,
+			)
+		}
+
+		// For stream sources, Every is ignored; it is fine if omitted/zero.
 		jobs = append(jobs, fkscheduler.Job{
-			Source: src,
+			Source: in,
 			Every:  sc.Every.Duration,
 		})
 	}