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Move MCP slash command to new system (#3678)
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Abhi <abhipatel@google.com>
This commit is contained in:
Brian Ray
GitHub
@@ -10,15 +10,7 @@ import open from 'open';
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import process from 'node:process';
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import { UseHistoryManagerReturn } from './useHistoryManager.js';
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import { useStateAndRef } from './useStateAndRef.js';
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import {
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Config,
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GitService,
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Logger,
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MCPDiscoveryState,
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MCPServerStatus,
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getMCPDiscoveryState,
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getMCPServerStatus,
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} from '@google/gemini-cli-core';
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import { Config, GitService, Logger } from '@google/gemini-cli-core';
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import { useSessionStats } from '../contexts/SessionContext.js';
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import {
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Message,
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@@ -234,205 +226,6 @@ export const useSlashCommandProcessor = (
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description: 'set external editor preference',
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action: (_mainCommand, _subCommand, _args) => openEditorDialog(),
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},
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{
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name: 'mcp',
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description: 'list configured MCP servers and tools',
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action: async (_mainCommand, _subCommand, _args) => {
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// Check if the _subCommand includes a specific flag to control description visibility
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let useShowDescriptions = showToolDescriptions;
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if (_subCommand === 'desc' || _subCommand === 'descriptions') {
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useShowDescriptions = true;
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} else if (
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_subCommand === 'nodesc' ||
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_subCommand === 'nodescriptions'
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) {
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useShowDescriptions = false;
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} else if (_args === 'desc' || _args === 'descriptions') {
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useShowDescriptions = true;
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} else if (_args === 'nodesc' || _args === 'nodescriptions') {
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useShowDescriptions = false;
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}
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// Check if the _subCommand includes a specific flag to show detailed tool schema
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let useShowSchema = false;
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if (_subCommand === 'schema' || _args === 'schema') {
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useShowSchema = true;
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}
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const toolRegistry = await config?.getToolRegistry();
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if (!toolRegistry) {
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addMessage({
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type: MessageType.ERROR,
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content: 'Could not retrieve tool registry.',
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timestamp: new Date(),
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});
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return;
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}
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const mcpServers = config?.getMcpServers() || {};
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const serverNames = Object.keys(mcpServers);
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if (serverNames.length === 0) {
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const docsUrl = 'https://goo.gle/gemini-cli-docs-mcp';
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if (process.env.SANDBOX && process.env.SANDBOX !== 'sandbox-exec') {
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addMessage({
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type: MessageType.INFO,
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content: `No MCP servers configured. Please open the following URL in your browser to view documentation:\n${docsUrl}`,
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timestamp: new Date(),
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});
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} else {
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addMessage({
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type: MessageType.INFO,
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content: `No MCP servers configured. Opening documentation in your browser: ${docsUrl}`,
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timestamp: new Date(),
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});
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await open(docsUrl);
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}
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return;
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}
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// Check if any servers are still connecting
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const connectingServers = serverNames.filter(
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(name) => getMCPServerStatus(name) === MCPServerStatus.CONNECTING,
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);
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const discoveryState = getMCPDiscoveryState();
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let message = '';
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// Add overall discovery status message if needed
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if (
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discoveryState === MCPDiscoveryState.IN_PROGRESS ||
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connectingServers.length > 0
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) {
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message += `\u001b[33m⏳ MCP servers are starting up (${connectingServers.length} initializing)...\u001b[0m\n`;
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message += `\u001b[90mNote: First startup may take longer. Tool availability will update automatically.\u001b[0m\n\n`;
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}
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message += 'Configured MCP servers:\n\n';
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for (const serverName of serverNames) {
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const serverTools = toolRegistry.getToolsByServer(serverName);
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const status = getMCPServerStatus(serverName);
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// Add status indicator with descriptive text
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let statusIndicator = '';
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let statusText = '';
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switch (status) {
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case MCPServerStatus.CONNECTED:
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statusIndicator = '🟢';
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statusText = 'Ready';
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break;
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case MCPServerStatus.CONNECTING:
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statusIndicator = '🔄';
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statusText = 'Starting... (first startup may take longer)';
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break;
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case MCPServerStatus.DISCONNECTED:
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default:
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statusIndicator = '🔴';
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statusText = 'Disconnected';
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break;
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}
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// Get server description if available
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const server = mcpServers[serverName];
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// Format server header with bold formatting and status
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message += `${statusIndicator} \u001b[1m${serverName}\u001b[0m - ${statusText}`;
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// Add tool count with conditional messaging
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if (status === MCPServerStatus.CONNECTED) {
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message += ` (${serverTools.length} tools)`;
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} else if (status === MCPServerStatus.CONNECTING) {
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message += ` (tools will appear when ready)`;
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} else {
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message += ` (${serverTools.length} tools cached)`;
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}
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// Add server description with proper handling of multi-line descriptions
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if ((useShowDescriptions || useShowSchema) && server?.description) {
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const greenColor = '\u001b[32m';
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const resetColor = '\u001b[0m';
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const descLines = server.description.trim().split('\n');
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if (descLines) {
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message += ':\n';
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for (const descLine of descLines) {
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message += ` ${greenColor}${descLine}${resetColor}\n`;
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}
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} else {
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message += '\n';
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}
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} else {
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message += '\n';
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}
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// Reset formatting after server entry
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message += '\u001b[0m';
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if (serverTools.length > 0) {
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serverTools.forEach((tool) => {
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if (
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(useShowDescriptions || useShowSchema) &&
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tool.description
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) {
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// Format tool name in cyan using simple ANSI cyan color
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message += ` - \u001b[36m${tool.name}\u001b[0m`;
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// Apply green color to the description text
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const greenColor = '\u001b[32m';
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const resetColor = '\u001b[0m';
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// Handle multi-line descriptions by properly indenting and preserving formatting
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const descLines = tool.description.trim().split('\n');
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if (descLines) {
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message += ':\n';
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for (const descLine of descLines) {
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message += ` ${greenColor}${descLine}${resetColor}\n`;
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}
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} else {
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message += '\n';
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}
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// Reset is handled inline with each line now
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} else {
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// Use cyan color for the tool name even when not showing descriptions
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message += ` - \u001b[36m${tool.name}\u001b[0m\n`;
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}
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if (useShowSchema) {
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// Prefix the parameters in cyan
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message += ` \u001b[36mParameters:\u001b[0m\n`;
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// Apply green color to the parameter text
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const greenColor = '\u001b[32m';
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const resetColor = '\u001b[0m';
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const paramsLines = JSON.stringify(
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tool.schema.parameters,
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null,
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2,
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)
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.trim()
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.split('\n');
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if (paramsLines) {
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for (const paramsLine of paramsLines) {
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message += ` ${greenColor}${paramsLine}${resetColor}\n`;
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}
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}
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}
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});
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} else {
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message += ' No tools available\n';
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}
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message += '\n';
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}
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// Make sure to reset any ANSI formatting at the end to prevent it from affecting the terminal
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message += '\u001b[0m';
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addMessage({
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type: MessageType.INFO,
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content: message,
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timestamp: new Date(),
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});
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},
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},
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{
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name: 'tools',
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description: 'list available Gemini CLI tools',
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