Wire validated core bridge, migrate daemon to it, verify live

poc/src/cdp-dispatch.ts

@@ -0,0 +1,55 @@
+/*
+ * Veskslop development tool — run one expression in the real client over CDP.
+ *
+ * Use it with the client started on --remote-debugging-port=9222. The main use
+ * is to dispatch synthetic events for end-to-end tests.
+ *
+ * Usage:
+ *   CDP_EXPRESSION='Vencord.Webpack.Common.FluxDispatcher.dispatch({...})' pnpm cdp:dispatch
+ */
+
+import WebSocket from "ws";
+
+const expression = process.env.CDP_EXPRESSION;
+if (!expression) {
+    console.error("CDP_EXPRESSION is required");
+    process.exit(1);
+}
+
+const cdpUrl = process.env.CDP_URL ?? "http://127.0.0.1:9222";
+const targets = (await (await fetch(`${cdpUrl}/json`)).json()) as any[];
+const page = targets.find(target => target.type === "page" && target.url.includes("discord.com"));
+
+if (!page) {
+    console.error("No Discord page target");
+    process.exit(1);
+}
+
+const ws = new WebSocket(page.webSocketDebuggerUrl);
+await new Promise<void>((resolve, reject) => {
+    ws.once("open", () => resolve());
+    ws.once("error", reject);
+});
+
+const response = await new Promise<any>((resolve, reject) => {
+    const timer = setTimeout(() => reject(new Error("CDP evaluate timed out")), 10_000);
+
+    ws.on("message", raw => {
+        const message = JSON.parse(raw.toString());
+        if (message.id !== 1) return;
+
+        clearTimeout(timer);
+        resolve(message);
+    });
+
+    ws.send(
+        JSON.stringify({
+            id: 1,
+            method: "Runtime.evaluate",
+            params: { expression, returnByValue: true, awaitPromise: true }
+        })
+    );
+});
+
+console.log(JSON.stringify(response.result ?? response.error));
+ws.close();