launchers: the opencode UI is oc.ci.commoninternet.net (not tailnet-only); journal the key switch

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FqkQq3CDmFWcQ7u1LzoyRz

cc-ci-plan/launch-assistant.py

@@ -116,7 +116,7 @@ def start(mode="resume"):
             f"NO_COLOR=1 {OPENCODE_BIN} attach {OPENCODE_SERVER} --dir {WORKDIR}"
         )
         log(f"starting {SESSION} (backend=opencode, model={LOOP_MODEL or 'default'})")
-        log("  visible at http://oc.commoninternet.net (tailnet only)")
+        log("  visible at https://oc.ci.commoninternet.net")
     else:
         die(f"unknown LOOP_BACKEND '{BACKEND}' — use 'claude' or 'opencode'")