Fix case-insensitive tool name lookup and remove duplicate entries

vscode-extension/src/automaticTools.json

@@ -2,7 +2,6 @@
   "read_file",
   "copilot_readFile",
   "read",
-  "Read",
   "view",
   "view_image",
   "copilot_viewImage",
@@ -95,7 +94,6 @@
   "copilot_switchAgent",
 
   "bash",
-  "Bash",
 
   "vscode_editFile_internal",
   "vscode_fetchWebPage_internal",

vscode-extension/src/extension.ts

@@ -1021,7 +1021,7 @@ class CopilotTokenTracker implements vscode.Disposable {
 		Object.keys(stats.today.toolCalls.byTool).forEach(tool => allTools.add(tool));
 		Object.keys(stats.last30Days.toolCalls.byTool).forEach(tool => allTools.add(tool));
 		Object.keys(stats.month.toolCalls.byTool).forEach(tool => allTools.add(tool));
-		return Array.from(allTools).filter(tool => !this.toolNameMap[tool]).sort();
+		return Array.from(allTools).filter(tool => !this.toolNameMap[tool] && !this.toolNameMap[tool.toLowerCase()]).sort();
 	}
 
 	private async showUnknownMcpToolsBanner(): Promise<void> {

vscode-extension/src/maturityScoring.ts

@@ -12,7 +12,7 @@ import automaticToolIds from './automaticTools.json';
 
 /** Set of tool IDs that Copilot uses autonomously (reading files, searching, etc.).
  *  These are excluded from fluency scoring since the user doesn't configure them. */
-const AUTOMATIC_TOOL_SET = new Set<string>(automaticToolIds);
+const AUTOMATIC_TOOL_SET = new Set<string>((automaticToolIds as string[]).map(id => id.toLowerCase()));
 
 /** Format a number with thousand separators for display. */
 function fmt(n: number): string {
@@ -445,7 +445,7 @@ export function calculateFluencyScoreForTeamMember(fd: {
     const hasModelSwitching = fd.mixedTierSessions > 0 || switchingFrequency > 0;
     const hasAgentMode = fd.agentModeCount > 0;
     const toolCount = Object.keys(fd.toolCallsByTool).length;
-    const nonAutoToolCount = Object.keys(fd.toolCallsByTool).filter(t => !AUTOMATIC_TOOL_SET.has(t)).length;
+    const nonAutoToolCount = Object.keys(fd.toolCallsByTool).filter(t => !AUTOMATIC_TOOL_SET.has(t.toLowerCase())).length;
     const avgFilesPerSession = fd.filesPerEditCount > 0 ? fd.filesPerEditSum / fd.filesPerEditCount : 0;
     const avgApplyRate = fd.applyRateCount > 0 ? fd.applyRateSum / fd.applyRateCount : 0;
     const totalContextRefs = fd.ctxFile + fd.ctxSelection + fd.ctxSymbol + fd.ctxCodebase + fd.ctxWorkspace;
@@ -861,7 +861,7 @@ export async function calculateMaturityScores(lastCustomizationMatrix: Workspace
 
 	// Diverse tool usage in agent mode
 	const toolCount = Object.keys(p.toolCalls.byTool).length;
-	const nonAutoToolCount = Object.keys(p.toolCalls.byTool).filter(t => !AUTOMATIC_TOOL_SET.has(t)).length;
+	const nonAutoToolCount = Object.keys(p.toolCalls.byTool).filter(t => !AUTOMATIC_TOOL_SET.has(t.toLowerCase())).length;
 	if (p.modeUsage.agent >= 10 && nonAutoToolCount >= 3) {
 		agStage = 3;
 	}

vscode-extension/src/toolNames.json

@@ -314,7 +314,6 @@
   ,"grep": "Grep"
   ,"kill_terminal": "Kill Terminal"
   ,"read": "Read"
-  ,"Read": "Read"
   ,"view": "View"
   ,"vscode_editFile_internal": "VSCode Edit File (Internal)"
   ,"vscode_fetchWebPage_internal": "VSCode Fetch Web Page (Internal)"
@@ -327,9 +326,7 @@
   ,"nuget_get-nuget-solver": "NuGet: Get NuGet Solver"
   ,"webfetch": "Web Fetch"
   ,"write": "Write"
-  ,"Write": "Write"
   ,"edit": "Edit"
-  ,"Edit": "Edit"
   ,"multiedit": "Multi Edit"
   ,"question": "Question"
   ,"skill": "Skill"

vscode-extension/src/webview/logviewer/main.ts

@@ -86,7 +86,7 @@ function lookupToolName(id: string): string {
 	if (!TOOL_NAME_MAP) {
 		return id;
 	}
-	return TOOL_NAME_MAP[id] || id;
+	return TOOL_NAME_MAP[id] ?? TOOL_NAME_MAP[id.toLowerCase()] ?? id;
 }
 
 function escapeHtml(text: string): string {

vscode-extension/src/webview/usage/main.ts

@@ -172,13 +172,13 @@ import toolNames from '../../toolNames.json';
 import automaticToolIds from '../../automaticTools.json';
 
 let TOOL_NAME_MAP: { [key: string]: string } | null = toolNames || null;
-const AUTOMATIC_TOOL_SET_WV = new Set<string>(automaticToolIds as string[]);
+const AUTOMATIC_TOOL_SET_WV = new Set<string>((automaticToolIds as string[]).map(id => id.toLowerCase()));
 
 function lookupToolName(id: string): string {
 	if (!TOOL_NAME_MAP) {
 		return id;
 	}
-	return TOOL_NAME_MAP[id] || id;
+	return TOOL_NAME_MAP[id] ?? TOOL_NAME_MAP[id.toLowerCase()] ?? id;
 }
 
 function lookupMcpToolName(id: string): string {
@@ -304,7 +304,7 @@ function renderToolsTable(byTool: { [key: string]: number }, limit = 10, nameRes
 	    const rows = sortedTools.map(([tool, count], idx) => {
 		const friendly = escapeHtml(nameResolver(tool));
 		const idEscaped = escapeHtml(tool);
-		const autoBadge = AUTOMATIC_TOOL_SET_WV.has(tool)
+		const autoBadge = AUTOMATIC_TOOL_SET_WV.has(tool.toLowerCase())
 			? `<span class="auto-badge" title="Automatic tool — Copilot uses this internally and it does not count toward fluency scoring">auto</span>`
 			: '';
 		return `

vscode-extension/src/workspaceHelpers.ts

@@ -481,7 +481,7 @@ export function normalizeMcpToolName(toolName: string): string {
  */
 export function extractMcpServerName(toolName: string, toolNameMap: { [key: string]: string } = {}): string {
 	// First, try to get the display name from toolNames.json and extract the server part
-	const displayName = toolNameMap[toolName];
+	const displayName = toolNameMap[toolName] ?? toolNameMap[toolName.toLowerCase()];
 	if (displayName && displayName.includes(':')) {
 		// Extract the part before the colon (e.g., "GitHub MCP" from "GitHub MCP: Issue Read")
 		return displayName.split(':')[0].trim();