feat(chat): support first-class /compress and /compact session compression (#1306)

app/src/main/java/com/m57/hermescontrol/data/ws/CommandModels.kt

@@ -73,7 +73,6 @@ object CommandBlocklist {
             "/image",
             "/quit",
             // TUI-only extras (meaningless outside the TUI)
-            "/compact",
             "/logs",
             "/mouse",
         )

app/src/main/java/com/m57/hermescontrol/data/ws/WsMethods.kt

@@ -16,6 +16,7 @@ object WsMethods {
     const val SESSION_TITLE = "session.title"
     const val SESSION_BRANCH = "session.branch"
     const val SESSION_BRANCH_WHOLE = "session.branch_whole"
+    const val SESSION_COMPRESS = "session.compress"
 
     /** Replay recorded events newer than client's last-seen seq for a session. */
     const val SESSION_EVENTS_SINCE = "session.events.since"