modularize tool-call rendering and styles

packages/ui/src/components/tool-call/renderers/invalid.tsx

@@ -0,0 +1,19 @@
+import type { ToolRenderer } from "../types"
+import { defaultRenderer } from "./default"
+import { getToolName, readToolStatePayload } from "../utils"
+
+export const invalidRenderer: ToolRenderer = {
+  tools: ["invalid"],
+  getTitle({ toolState }) {
+    const state = toolState()
+    if (!state) return getToolName("invalid")
+    const { input } = readToolStatePayload(state)
+    if (typeof input.tool === "string") {
+      return getToolName(input.tool)
+    }
+    return getToolName("invalid")
+  },
+  renderBody(context) {
+    return defaultRenderer.renderBody(context)
+  },
+}