diff --git a/client.go b/client.go
index 3e9e277..68caffd 100644
--- a/client.go
+++ b/client.go
@@ -51,7 +51,7 @@ func GuessClient(r *http.Request) Client {
 		return ClientRoo
 	case strings.HasPrefix(userAgent, "coder-agents/"):
 		return ClientCoderAgents
-	case strings.HasPrefix(userAgent, "charm crush/"):
+	case strings.HasPrefix(userAgent, "charm crush/") || strings.HasPrefix(userAgent, "charm-crush/"):
 		return ClientCrush
 	case r.Header.Get("x-cursor-client-version") != "":
 		return ClientCursor
diff --git a/client_test.go b/client_test.go
index 923e5c0..7b01119 100644
--- a/client_test.go
+++ b/client_test.go
@@ -79,10 +79,15 @@ func TestGuessClient(t *testing.T) {
 			wantClient: aibridge.ClientCoderAgents,
 		},
 		{
-			name:       "charm_crush",
+			name:       "charm_crush_space",
 			userAgent:  "Charm Crush/0.1.11",
 			wantClient: aibridge.ClientCrush,
 		},
+		{
+			name:       "charm_crush_hyphen",
+			userAgent:  "Charm-Crush/0.2.0 (https://charm.land/crush)",
+			wantClient: aibridge.ClientCrush,
+		},
 		{
 			name:       "cursor_x_cursor_client_version",
 			userAgent:  "connect-es/1.6.1",
diff --git a/session.go b/session.go
index 760ea7c..c7e57da 100644
--- a/session.go
+++ b/session.go
@@ -75,6 +75,8 @@ func GuessSessionID(client Client, r *http.Request) *string {
 		return cleanRef(r.Header.Get("X-KILOCODE-TASKID"))
 	case ClientCoderAgents:
 		return cleanRef(r.Header.Get("X-Coder-Chat-Id"))
+	case ClientCrush:
+		return nil // Crush does not send a session ID header.
 	case ClientRoo:
 		return nil // RooCode doesn't send a session ID.
 	case ClientCursor:
diff --git a/session_test.go b/session_test.go
index 244b5cc..a8b8aeb 100644
--- a/session_test.go
+++ b/session_test.go
@@ -182,6 +182,11 @@ func TestGuessSessionID(t *testing.T) {
 			name:   "coder_agents_without_chat_id",
 			client: aibridge.ClientCoderAgents,
 		},
+		// Crush.
+		{
+			name:   "crush_returns_empty",
+			client: aibridge.ClientCrush,
+		},
 		// Roo.
 		{
 			name:   "roo_returns_empty",