feat(opencode): wire 29-point CLI lifecycle scripts, drift-C reconciler, and skill docs

.agents/skills/multi-agent-mux-loop/scripts/run_loop.sh

@@ -309,6 +309,10 @@ if not agent:
         agent = 'agy'
     elif 'hermes' in segments:
         agent = 'hermes'
+    elif 'grok' in segments:
+        agent = 'grok'
+    elif 'opencode' in segments:
+        agent = 'opencode'
     else:
         agent = 'claude'
 print(agent)