sgclaw: snapshot today's runtime and skill updates

src/agent/runtime.rs

@@ -3,6 +3,10 @@ use serde_json::{json, Map, Value};
 use crate::llm::{ChatMessage, LlmError, LlmProvider, ToolDefinition, ToolFunctionCall};
 use crate::pipe::{Action, AgentMessage, BrowserPipeTool, PipeError, Transport};
 
+/// Legacy browser-only runtime kept for dev-only validation and narrow regression coverage.
+/// Production browser submit flow uses `compat::runtime` plus `runtime::engine`.
+pub const LEGACY_DEV_ONLY: bool = true;
+
 const BROWSER_ACTION_TOOL_NAME: &str = "browser_action";
 
 #[derive(Debug, Clone, PartialEq)]
@@ -21,8 +25,7 @@ pub fn execute_task_with_provider<P: LlmProvider, T: Transport>(
     let messages = vec![
         ChatMessage {
             role: "system".to_string(),
-            content: "You are sgClaw. Use browser_action to complete the browser task."
-                .to_string(),
+            content: "You are sgClaw. Use browser_action to complete the browser task.".to_string(),
         },
         ChatMessage {
             role: "user".to_string(),
@@ -35,8 +38,8 @@ pub fn execute_task_with_provider<P: LlmProvider, T: Transport>(
         .map_err(map_llm_error_to_pipe_error)?;
 
     for call in calls {
-        let browser_call = parse_browser_action_call(call)
-            .map_err(|err| PipeError::Protocol(err.to_string()))?;
+        let browser_call =
+            parse_browser_action_call(call).map_err(|err| PipeError::Protocol(err.to_string()))?;
 
         transport.send(&AgentMessage::LogEntry {
             level: "info".to_string(),