feat: add conversation-scoped yolo controls

plugin/pheby/protocol.py

@@ -71,6 +71,8 @@ C_MODEL_SET = "model.set"
 C_MODEL_CURRENT = "models.current"
 C_REASONING_SET = "reasoning.set"
 C_REASONING_CURRENT = "reasoning.current"
+C_YOLO_SET = "yolo.set"
+C_YOLO_CURRENT = "yolo.current"
 
 # ── Server → client message types ────────────────────────────────────────────
 S_READY = "ready"
@@ -98,6 +100,8 @@ S_MODEL_CURRENT_SNAPSHOT = "model.current"          # reply to models.current
 S_MODEL_CHANGED = "model.changed"                   # after model.set accepted
 S_REASONING_SNAPSHOT = "reasoning.snapshot"         # reply to reasoning.current
 S_REASONING_CHANGED = "reasoning.changed"           # after reasoning.set accepted
+S_YOLO_SNAPSHOT = "yolo.snapshot"                   # reply to yolo.current
+S_YOLO_CHANGED = "yolo.changed"                     # after yolo.set accepted
 
 # Reasoning effort levels supported by Hermes (hermes_constants).
 REASONING_EFFORTS = ("minimal", "low", "medium", "high", "xhigh", "max", "ultra")
@@ -179,7 +183,7 @@ __all__ = [
     "C_CONVERSATION_CREATE", "C_CONVERSATION_RENAME", "C_CONVERSATION_DELETE",
     "C_CHAT_SEND", "C_RUN_CANCEL", "C_APPROVAL_RESPOND", "C_CLARIFY_RESPOND",
     "C_MODELS_LIST", "C_MODEL_SET", "C_MODEL_CURRENT", "C_REASONING_SET",
-    "C_REASONING_CURRENT",
+    "C_REASONING_CURRENT", "C_YOLO_SET", "C_YOLO_CURRENT",
     "S_READY", "S_PONG", "S_ERROR", "S_CONVERSATION_SNAPSHOT",
     "S_CONVERSATION_CREATED", "S_CONVERSATION_RENAMED", "S_CONVERSATION_UPDATED",
     "S_CONVERSATION_DELETED", "S_CONVERSATION_HISTORY", "S_RUN_ACCEPTED",
@@ -188,7 +192,7 @@ __all__ = [
     "S_APPROVAL_RESOLVED", "S_CLARIFY_REQUEST", "S_CLARIFY_RESOLVED",
     "S_ATTACHMENT_ADDED", "S_MODELS_SNAPSHOT", "S_MODEL_CURRENT_SNAPSHOT",
     "S_MODEL_CHANGED", "S_REASONING_SNAPSHOT", "S_REASONING_CHANGED",
-    "REASONING_EFFORTS",
+    "S_YOLO_SNAPSHOT", "S_YOLO_CHANGED", "REASONING_EFFORTS",
     "now_iso", "new_id", "is_valid_attachment_id", "encode_message",
     "decode_message", "error_event", "safe_str",
 ]