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

internal/sync/sync.go

@@ -134,7 +134,7 @@ func poll(client *grpcclient.Client, cfg *config.Config, version string) error {
 const streamHealthyAfter = time.Minute
 
 // Stream staleness. The server beats every 20s, so 70s tolerates three missed
-// beats before the stream is written off — high enough that a slow network or a
+// beats before the stream is written off - high enough that a slow network or a
 // briefly busy server does not cost a reconnect, low enough that an agent is
 // not uncommandable for minutes after a control-plane restart.
 const (
@@ -142,7 +142,7 @@ const (
 	streamStaleCheck = 10 * time.Second
 
 	// How often a healthy stream reports itself. Also the interval at which an
-	// agent talking to a control plane too old to send heartbeats says so —
+	// agent talking to a control plane too old to send heartbeats says so -
 	// that agent is running without a watchdog, and the journal should not be
 	// silent about it.
 	pingSummaryInterval = 5 * time.Minute
@@ -184,7 +184,7 @@ func runCommandStream(ctx context.Context, cfg *config.Config) {
 
 		// The uptime is in the line because it is what distinguishes a stream
 		// that never worked from one that ran for hours and was dropped by a
-		// deploy — and it is the same measure that decides whether the backoff
+		// deploy - and it is the same measure that decides whether the backoff
 		// resets, so a reader can see why the delay is what it is.
 		up := time.Since(started).Truncate(time.Second)
 		if err != nil {
@@ -253,7 +253,7 @@ func connectAndHandleStream(ctx context.Context, cfg *config.Config) error {
 	// the operator watches nothing happen.
 	//
 	// The watchdog only arms once a ping has actually been seen. A server too
-	// old to send them must not be treated as dead — that would put the agent
+	// old to send them must not be treated as dead - that would put the agent
 	// in a reconnect loop against a control plane that is working perfectly.
 	var (
 		lastMu   sync.Mutex
@@ -283,7 +283,7 @@ func connectAndHandleStream(ctx context.Context, cfg *config.Config) error {
 
 		// Reported periodically rather than per beat: at one every 20s the
 		// journal would be nothing else. The count is what makes a partial
-		// failure visible — beats arriving but fewer than expected is a
+		// failure visible - beats arriving but fewer than expected is a
 		// different problem from beats stopping altogether.
 		summary := time.NewTicker(pingSummaryInterval)
 		defer summary.Stop()
@@ -450,7 +450,7 @@ func runInventory(ctx context.Context, cfg *config.Config) {
 		r := inventory.Collect(static)
 		r.ServerId = cfg.ServerID
 		r.AgentToken = cfg.AgentToken
-		// Static snapshots only — every 15 minutes, not every 30 seconds. On
+		// Static snapshots only - every 15 minutes, not every 30 seconds. On
 		// Windows this spawns a PowerShell process, which is not something to
 		// do twice a minute forever, and a host rebooted by hand clearing the
 		// flag within a quarter of an hour is soon enough.