Initial GuruConnect implementation - Phase 1 MVP

- Agent: DXGI/GDI screen capture, mouse/keyboard input, WebSocket transport
- Server: Axum relay, session management, REST API
- Dashboard: React viewer components with TypeScript
- Protocol: Protobuf definitions for all message types

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

agent/build.rs

@@ -0,0 +1,11 @@
+use std::io::Result;
+
+fn main() -> Result<()> {
+    // Compile protobuf definitions
+    prost_build::compile_protos(&["../proto/guruconnect.proto"], &["../proto/"])?;
+
+    // Rerun if proto changes
+    println!("cargo:rerun-if-changed=../proto/guruconnect.proto");
+
+    Ok(())
+}