chore: replace em dashes with hyphens, add no-em-dash rule to CLAUDE.md

server/internal/proxy/registry.go

@@ -34,4 +34,4 @@ func NewID() (string, error) {
 //
 // The pending record lives in Redis instead (bus.SetPendingProxy /
 // ClaimPendingProxy), and the listener is bound by whichever pod the stream
-// actually reaches — see services.ClaimProxyStream.
+// actually reaches - see services.ClaimProxyStream.

server/internal/proxy/session.go

@@ -90,7 +90,7 @@ func (s *Session) Reason() string {
 // a no-op once a deliberate teardown (Close) has begun: a local Close closing
 // the conn out from under the relay goroutines produces exactly the kind of
 // error (net.ErrClosed, a broken pipe on write, ...) that looks like a remote
-// failure but is not one, and must not overwrite — or race to set — the real
+// failure but is not one, and must not overwrite - or race to set - the real
 // reason, or invent one where a clean local close has none.
 func (s *Session) setReason(r string) {
 	s.mu.Lock()
@@ -103,7 +103,7 @@ func (s *Session) setReason(r string) {
 // Close tears the session down once. A non-empty reason is recorded only if no
 // reason has been recorded already, and only before teardown begins. It closes
 // both the listener and, if a connection has already been accepted, that
-// connection too — an unconditional kill for the whole relay chain regardless
+// connection too - an unconditional kill for the whole relay chain regardless
 // of which stage it is in.
 func (s *Session) Close(reason string) {
 	if reason != "" {