chore: seed sgclaw rust baseline

src/lib.rs

@@ -0,0 +1,37 @@
+pub mod pipe;
+pub mod security;
+
+use std::path::PathBuf;
+use std::sync::Arc;
+use std::time::Duration;
+
+use pipe::{perform_handshake, BrowserPipeTool, PipeError, StdioTransport, Transport};
+use security::MacPolicy;
+
+fn default_rules_path() -> PathBuf {
+    std::env::current_dir()
+        .unwrap_or_else(|_| PathBuf::from("."))
+        .join("resources")
+        .join("rules.json")
+}
+
+pub fn run() -> Result<(), PipeError> {
+    let transport = Arc::new(StdioTransport::new(std::io::stdin(), std::io::stdout()));
+    let handshake = perform_handshake(transport.as_ref(), Duration::from_secs(5))?;
+    let mac_policy = MacPolicy::load_from_path(default_rules_path())?;
+    let _browser_tool = BrowserPipeTool::new(transport.clone(), mac_policy, handshake.session_key)
+        .with_response_timeout(Duration::from_secs(30));
+
+    eprintln!("sgclaw ready: agent_id={}", handshake.agent_id);
+
+    loop {
+        match transport.recv_timeout(Duration::from_secs(3600)) {
+            Ok(message) => {
+                eprintln!("ignoring unsolicited browser message: {:?}", message);
+            }
+            Err(PipeError::Timeout) => continue,
+            Err(PipeError::PipeClosed) => return Ok(()),
+            Err(err) => return Err(err),
+        }
+    }
+}