feat: add gemini tools (#120)

src/cli/App.tsx

@@ -207,7 +207,7 @@ export default function App({
   const [modelSelectorOpen, setModelSelectorOpen] = useState(false);
   const [toolsetSelectorOpen, setToolsetSelectorOpen] = useState(false);
   const [currentToolset, setCurrentToolset] = useState<
-    "codex" | "default" | null
+    "codex" | "default" | "gemini" | null
   >(null);
   const [llmConfig, setLlmConfig] = useState<LlmConfig | null>(null);
   const [agentName, setAgentName] = useState<string | null>(null);
@@ -1785,7 +1785,7 @@ export default function App({
   );
 
   const handleToolsetSelect = useCallback(
-    async (toolsetId: "codex" | "default") => {
+    async (toolsetId: "codex" | "default" | "gemini") => {
       setToolsetSelectorOpen(false);
 
       const cmdId = uid("cmd");

src/cli/components/ApprovalDialogRich.tsx

@@ -71,7 +71,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
 }) => {
   const t = toolName.toLowerCase();
 
-  if (t === "bash" || t === "shell_command") {
+  if (t === "bash" || t === "shell_command" || t === "run_shell_command") {
     const cmdVal = parsedArgs?.command;
     const cmd =
       typeof cmdVal === "string" ? cmdVal : toolArgs || "(no arguments)";
@@ -105,8 +105,9 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
     );
   }
 
-  if (t === "ls" || t === "list_dir") {
-    const pathVal = parsedArgs?.path || parsedArgs?.target_directory;
+  if (t === "ls" || t === "list_dir" || t === "list_directory") {
+    const pathVal =
+      parsedArgs?.path || parsedArgs?.target_directory || parsedArgs?.dir_path;
     const path = typeof pathVal === "string" ? pathVal : "(current directory)";
     const ignoreVal = parsedArgs?.ignore || parsedArgs?.ignore_globs;
     const ignore =
@@ -142,7 +143,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
     );
   }
 
-  if (t === "grep" || t === "grep_files") {
+  if (t === "grep" || t === "grep_files" || t === "search_file_content") {
     const patternVal = parsedArgs?.pattern;
     const pattern =
       typeof patternVal === "string" ? patternVal : "(no pattern)";
@@ -216,8 +217,32 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
     }
   }
 
-  // File edit previews: write/edit/multi_edit
-  if ((t === "write" || t === "edit" || t === "multiedit") && parsedArgs) {
+  if (t === "glob") {
+    const patternVal = parsedArgs?.pattern;
+    const pattern =
+      typeof patternVal === "string" ? patternVal : "(no pattern)";
+    const dirPathVal = parsedArgs?.dir_path;
+    const dirInfo = typeof dirPathVal === "string" ? ` in ${dirPathVal}` : "";
+
+    return (
+      <Box flexDirection="column" paddingLeft={2}>
+        <Text>
+          Find files matching: {pattern}
+          {dirInfo}
+        </Text>
+      </Box>
+    );
+  }
+
+  // File edit previews: write/edit/multi_edit/replace/write_file
+  if (
+    (t === "write" ||
+      t === "edit" ||
+      t === "multiedit" ||
+      t === "replace" ||
+      t === "write_file") &&
+    parsedArgs
+  ) {
     try {
       const filePath = String(parsedArgs.file_path || "");
       if (!filePath) throw new Error("no file_path");
@@ -225,7 +250,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
       if (precomputedDiff) {
         return (
           <Box flexDirection="column" paddingLeft={2}>
-            {t === "write" ? (
+            {t === "write" || t === "write_file" ? (
               <AdvancedDiffRenderer
                 precomputed={precomputedDiff}
                 kind="write"
@@ -233,7 +258,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
                 content={String(parsedArgs.content ?? "")}
                 showHeader={false}
               />
-            ) : t === "edit" ? (
+            ) : t === "edit" || t === "replace" ? (
               <AdvancedDiffRenderer
                 precomputed={precomputedDiff}
                 kind="edit"
@@ -263,7 +288,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
       }
 
       // Fallback to non-precomputed rendering
-      if (t === "write") {
+      if (t === "write" || t === "write_file") {
         return (
           <Box flexDirection="column" paddingLeft={2}>
             <AdvancedDiffRenderer
@@ -275,7 +300,7 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
           </Box>
         );
       }
-      if (t === "edit") {
+      if (t === "edit" || t === "replace") {
         return (
           <Box flexDirection="column" paddingLeft={2}>
             <AdvancedDiffRenderer
@@ -313,7 +338,13 @@ const DynamicPreview: React.FC<DynamicPreviewProps> = ({
   }
 
   // Default for file-edit tools when args not parseable yet
-  if (t === "write" || t === "edit" || t === "multiedit") {
+  if (
+    t === "write" ||
+    t === "edit" ||
+    t === "multiedit" ||
+    t === "replace" ||
+    t === "write_file"
+  ) {
     return (
       <Box flexDirection="column" paddingLeft={2}>
         <Text dimColor>Preparing preview…</Text>
@@ -605,5 +636,16 @@ function getHeaderLabel(toolName: string): string {
   if (t === "grep_files") return "Search in Files";
   if (t === "apply_patch") return "Apply Patch";
   if (t === "update_plan") return "Plan update";
+  // Gemini toolset (uses server names)
+  if (t === "run_shell_command") return "Shell command";
+  if (t === "list_directory") return "List Directory";
+  if (t === "search_file_content") return "Search in Files";
+  if (t === "write_todos") return "Update Todos";
+  if (t === "read_many_files") return "Read Multiple Files";
+  // Shared names between toolsets - these get overwritten based on active toolset
+  if (t === "read_file") return "Read File";
+  if (t === "glob") return "Find Files";
+  if (t === "replace") return "Edit File";
+  if (t === "write_file") return "Write File";
   return toolName;
 }

src/cli/components/ToolCallMessageRich.tsx

@@ -71,6 +71,12 @@ export const ToolCallMessage = memo(({ line }: { line: ToolCallLine }) => {
   else if (displayName === "list_dir") displayName = "LS";
   else if (displayName === "grep_files") displayName = "Grep";
   else if (displayName === "apply_patch") displayName = "Patch";
+  // Gemini toolset (uses server names)
+  else if (displayName === "run_shell_command") displayName = "Shell";
+  else if (displayName === "list_directory") displayName = "LS";
+  else if (displayName === "search_file_content") displayName = "Grep";
+  else if (displayName === "write_todos") displayName = "TODO";
+  else if (displayName === "read_many_files") displayName = "Read Multiple";
 
   // Format arguments for display using the old formatting logic
   const formatted = formatArgsDisplay(argsText);

src/cli/components/ToolsetSelector.tsx

@@ -4,27 +4,13 @@ import { useState } from "react";
 import { colors } from "./colors";
 
 interface ToolsetOption {
-  id: "codex" | "default";
+  id: "codex" | "default" | "gemini";
   label: string;
   description: string;
   tools: string[];
 }
 
 const toolsets: ToolsetOption[] = [
-  {
-    id: "codex",
-    label: "Codex Tools",
-    description: "OpenAI-style tools optimized for GPT models",
-    tools: [
-      "shell_command",
-      "shell",
-      "read_file",
-      "list_dir",
-      "grep_files",
-      "apply_patch",
-      "update_plan",
-    ],
-  },
   {
     id: "default",
     label: "Default Tools",
@@ -42,11 +28,41 @@ const toolsets: ToolsetOption[] = [
       "Write",
     ],
   },
+  {
+    id: "codex",
+    label: "Codex Tools",
+    description: "OpenAI-style tools optimized for GPT models",
+    tools: [
+      "shell_command",
+      "shell",
+      "read_file",
+      "list_dir",
+      "grep_files",
+      "apply_patch",
+      "update_plan",
+    ],
+  },
+  {
+    id: "gemini",
+    label: "Gemini Tools",
+    description: "Google-style tools optimized for Gemini models",
+    tools: [
+      "run_shell_command",
+      "read_file_gemini",
+      "list_directory",
+      "glob_gemini",
+      "search_file_content",
+      "replace",
+      "write_file_gemini",
+      "write_todos",
+      "read_many_files",
+    ],
+  },
 ];
 
 interface ToolsetSelectorProps {
-  currentToolset?: "codex" | "default";
-  onSelect: (toolsetId: "codex" | "default") => void;
+  currentToolset?: "codex" | "default" | "gemini";
+  onSelect: (toolsetId: "codex" | "default" | "gemini") => void;
   onCancel: () => void;
 }