Say nothing serves a call only for the bus's own no-responders, never for a tool's error that mentions 503 (issue 1529)

2026-10-21 00:02:34 +02:00
parent 18260ce9be
commit d295fd4250
3 changed files with 37 additions and 3 deletions
@@ -7,6 +7,8 @@ import (
 	"regexp"
 	"strings"

+	"github.com/nats-io/nats.go"
+
 	"github.com/novox/mesh-tools/node-tools/internal/bus"
 )

@@ -109,7 +111,6 @@ func subjectListed(name, node string, l *Listing) string {
 }

 var (
-	noResponders = regexp.MustCompile(`(?i)no responders|503`)
 	// The bus's own two refusals, by their whole phrase. "authorization" alone also matched a tool's own
 	// answer that merely mentions the word — the runtime refusing a state value with an Authorization
 	// header (novox/hq ADR 0201) read as "this account may not call", which sent the reader the wrong way.
@@ -127,7 +128,8 @@ func whyItFailed(key string, err error) string {
 	}
 	msg := err.Error()
 	switch {
-	case noResponders.MatchString(msg):
+	// By type, not text: a tool's own error that mentions 503 is the tool's answer (issue 1529).
+	case errors.Is(err, bus.ErrNoResponders) || errors.Is(err, nats.ErrNoResponders):
 		extra := ""
 		if strings.HasPrefix(key, "seat:") {
 			extra = ", or nothing holds that seat"