diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4f095a0..12221d3 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -20,6 +20,22 @@
       "smartStep": true,
       "skipFiles": ["<node_internals>/**", "**/node_modules/**"],
       "cwd": "${workspaceFolder}"
+    },
+
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Launch Sample Emitter",
+      "skipFiles": ["<node_internals>/**"],
+      "program": "${workspaceFolder}/samples/client-emitter/dist/src/index.js",
+      "outFiles": ["${workspaceFolder}/**/*.js"],
+      "smartStep": true,
+      "console": "internalConsole",
+      "outputCapture": "std",
+      "autoAttachChildProcesses": true,
+      "env": {
+        "FORCE_COLOR": "3"
+      },
     }
   ]
 }
diff --git a/packages/core/src/components/Slot.tsx b/packages/core/src/components/Slot.tsx
deleted file mode 100644
index 7820f7e..0000000
--- a/packages/core/src/components/Slot.tsx
+++ /dev/null
@@ -1,64 +0,0 @@
-import { OutputSymbol } from "../binder.js";
-import { Children } from "../jsx-runtime.js";
-import { isRefkey, refkey, Refkey } from "../refkey.js";
-
-export interface SlotProps {
-  id: string;
-  phase: "wrap" | "before" | "after";
-  refkey?: Refkey;
-  symbol?: OutputSymbol;
-  children?: Children;
-}
-
-export function Slot(props: SlotProps) {
-  const slotContent = getSlotContent(props);
-}
-
-export function slot(id: string, refkey: Refkey | undefined, children: Children) {
-  return <Slot id={id} refkey={refkey} phase="wrap">
-    <Slot id={id} refkey={refkey} phase="before" />{children}<Slot id={id} refkey={refkey} phase="after" />
-  </Slot>
-}
-
-interface GetSlotContentOptions {
-  id: string;
-  phase: "wrap" | "before" | "after";
-  refkey?: Refkey;
-}
-
-function getSlotContent(options: GetSlotContentOptions) {
-  const hooks = [];
-  for ()
-}
-
-type Hook = RenameHook;
-
-interface HookBase {
-  kind: string;
-}
-
-interface RenameHook extends HookBase {
-  kind: "rename",
-  getName(oldName: string): string;
-}
-
-const RefkeyHooks = new Map<Refkey, Hook[]>();
-const SymbolHooks = new Map<OutputSymbol, Hook[]>();
-const SlotHooks = new Map<string, Hook[]>();
-
-export function rename(
-  target: Refkey | OutputSymbol | string,
-  name: string | ((oldName: string) => string)
-) {
-  if (typeof name === "string") {
-    const fixedName = name;
-    name = () => fixedName;
-  }
-
-  if (isRefkey(target)) {
-    RefkeyHooks.set(target, [{
-      kind: "rename",
-      getName: name
-    }]);
-  }
-}
\ No newline at end of file
diff --git a/packages/core/src/debug.ts b/packages/core/src/debug.ts
index 617cffc..3b81276 100644
--- a/packages/core/src/debug.ts
+++ b/packages/core/src/debug.ts
@@ -18,12 +18,7 @@ const debug: DebugInterface = {
   component: {
     stack: debugStack,
     tree() {
-      for (let i = 0; i < 240; i += 10) {
-        for (let j = 0; j < 240; j += 10) {
-          process.stdout.write(chalk.bgRgb(i, j, 0)(" "));
-        }
-        process.stdout.write("\n");
-      }
+      console.log("tree");
     },
     watch() {
       console.log("watch");