CB-571: retag charter-receipt references from the taken CB-575

CB-575 already names the merged MCP-cancellation-filter change, so the
charter-receipt comments used the wrong number. Retag to CB-571, the number
this work was authored against.

bridged/src/test/java/dev/ltms/bridged/member/HerdrPeerLauncherCharterTest.java

@@ -48,7 +48,7 @@ class HerdrPeerLauncherCharterTest {
 
     @Test
     void panePlacementSpawnLogNeverContainsTheCharterText() {
-        // A pane-placement spawn used to log the whole argv (CB-575), and the charter travels
+        // A pane-placement spawn used to log the whole argv (CB-571), and the charter travels
         // inside argv — so the charter text leaked to the daemon log. Prove the legacy pane path
         // now redacts it to its digest.
         String secret = "TOP SECRET charter marker 99x"; // distinctive, so a leak is unambiguous

bridged/src/test/java/dev/ltms/bridged/session/SessionManagerTest.java

@@ -95,7 +95,7 @@ class SessionManagerTest {
     @Test
     void rosterViewExposesTheCharterReceiptButNeverTheCharterText() {
         // The roster (bridge_list and GET /members both render through rosterView) must let a lead
-        // see which charter a member got, without ever carrying the charter prose itself (CB-575).
+        // see which charter a member got, without ever carrying the charter prose itself (CB-571).
         MemberSession s = new MemberSession("p1", "term1", "prof", MemberRole.DEV, "/cwd", null,
                 0, 0, 0, MemberSession.State.READY, null, null,
                 CharterReceipt.compose(MemberRole.DEV, "prof", "role charter", "role charter\n\nreply"));