some changes

cht/agent/runner.py

@@ -19,12 +19,10 @@ from cht.agent.base import AgentProvider, FrameRef, SessionContext
 
 log = logging.getLogger(__name__)
 
-# Predefined actions sent as messages with a fixed prompt
+# Predefined actions — label → verb prefix (frame ref appended by UI)
 ACTIONS: dict[str, str] = {
-    "Summarize":    "Summarize what happened in this recording so far. Look at the captured frames and describe the key content and any changes you notice.",
-    "What changed": "Compare the captured frames in order and describe what changed between them. Focus on meaningful transitions.",
-    "Key moments":  "Identify the most important moments in the recording based on the frames. List them with timestamps.",
-    "Describe now": "Look at the most recent frame and describe exactly what is currently on screen.",
+    "Describe": "describe",
+    "Answer":   "answer",
 }
 
 
@@ -106,6 +104,24 @@ class AgentRunner:
         except Exception:
             return "unknown"
 
+    @property
+    def available_models(self) -> list[str]:
+        try:
+            return self._get_provider().available_models
+        except Exception:
+            return []
+
+    @property
+    def model(self) -> str:
+        try:
+            return self._get_provider().model
+        except Exception:
+            return ""
+
+    @model.setter
+    def model(self, value: str):
+        self._get_provider().model = value
+
     def send(
         self,
         message: str,