Refactor Claude/Codex tool-call parsing to provider-local Zod passes (#25)

* refactor claude/codex tool call parsing to provider-local zod passes

* tighten provider tool-call schemas and remove alias probing

* refactor provider tool-call mappers to strict two-pass zod flow

* test: lock opencode mapper against cross-provider speak normalization

* refactor: enforce schema-only two-pass tool-call normalization

packages/app/src/utils/tool-call-icon.ts

@@ -1,5 +1,14 @@
 import type { ComponentType } from "react";
-import { Bot, Brain, Eye, Pencil, Search, SquareTerminal, Wrench } from "lucide-react-native";
+import {
+  Bot,
+  Brain,
+  Eye,
+  MicVocal,
+  Pencil,
+  Search,
+  SquareTerminal,
+  Wrench,
+} from "lucide-react-native";
 import type { ToolCallDetail } from "@server/server/agent/agent-sdk-types";
 
 export type ToolCallIconComponent = ComponentType<{ size?: number; color?: string }>;
@@ -20,6 +29,9 @@ export function resolveToolCallIcon(toolName: string, detail?: ToolCallDetail):
   if (lowerName === "thinking" && (!detail || detail.type === "unknown")) {
     return Brain;
   }
+  if (lowerName === "speak") {
+    return MicVocal;
+  }
 
   if (detail) {
     return TOOL_DETAIL_ICONS[detail.type];