Add basic 'kill' requesting.

src/lib/constants.js

@@ -2,7 +2,8 @@ import { npm_package_version } from "$env/static/private";
 
 export const queryMode = {
   REAL_TIME: 'realTime',
-  ONE_SHOT: 'oneShot'
+  ONE_SHOT: 'oneShot',
+  KILL: 'kill'
 }
 
 export const backendAddressAndPort = 'localhost:3000'

src/lib/state.js

@@ -93,6 +93,9 @@ export const killQuery = async ({ }) => {
     runTestQuery = false
     return
   }
+  ws.send(JSON.stringify({
+    mode: queryMode.KILL,
+  }))
 }
 
 // noinspection JSUnusedGlobalSymbols