Users/saars/add app insights list app traces

[xiaomi7732]

What does this PR do?

Add a tool to ApplicationInsights for query the trace.

This is the first piece, and simple query tool to query user's application insights trace data by running KQL queries.

GitHub issue number?

#671

Pre-merge Checklist

• Required for All PRs
  • Read contribution guidelines
  • PR title clearly describes the change
  • Commit history is clean with descriptive messages (cleanup guide)
  • Added comprehensive tests for new/modified functionality
  • Updated servers/Azure.Mcp.Server/CHANGELOG.md and/or servers/Fabric.Mcp.Server/CHANGELOG.md for product changes (features, bug fixes, UI/UX, updated dependencies)
• For MCP tool changes:
  • One tool per PR: This PR adds or modifies only one MCP tool for faster review cycles
  • Updated servers/Azure.Mcp.Server/README.md and/or servers/Fabric.Mcp.Server/README.md documentation
  • Updated command list in /docs/azmcp-commands.md and/or /docs/fabric-commands.md
  • For new or modified tool descriptions, ran ToolDescriptionEvaluator and obtained a score of 0.4 or more and a top 3 ranking for all related test prompts
  • For new tools associated with Azure services or publicly available tools/APIs/products, add URL to documentation in the PR description
• Extra steps for Azure MCP Server tool changes:
  • Updated test prompts in /docs/e2eTestPrompts.md
  • 👉 For Community (non-Microsoft team member) PRs:
    • Security review: Reviewed code for security vulnerabilities, malicious code, or suspicious activities before running tests (crypto mining, spam, data exfiltration, etc.)
    • Manual tests run: added comment /azp run mcp - pullrequest - live to run Live Test Pipeline

[Copilot]

Pull Request Overview

This PR adds a tool to ApplicationInsights for querying trace data by running KQL queries. It introduces the first piece of functionality to query user's Application Insights trace data using the azmcp_applicationinsights_apptrace_list command.

• Added new AppTraceListCommand for listing distributed trace metadata from Application Insights components
• Implemented KQL query building service for constructing Application Insights queries
• Added service layer for executing Azure Monitor Log queries against Application Insights resources

Reviewed Changes

Copilot reviewed 32 out of 32 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tools/Azure.Mcp.Tools.ApplicationInsights/src/Commands/AppTrace/AppTraceListCommand.cs	New command implementation for listing Application Insights traces
tools/Azure.Mcp.Tools.ApplicationInsights/src/Services/KQLQueryBuilder.cs	KQL query builder service for constructing Application Insights queries
tools/Azure.Mcp.Tools.ApplicationInsights/src/Services/ApplicationInsightsService.cs	Updated service to support distributed trace listing functionality
tools/Azure.Mcp.Tools.ApplicationInsights/src/ApplicationInsightsSetup.cs	Registered new services and commands in DI container
core/Azure.Mcp.Core/src/Services/Azure/Resource/ResourceResolverService.cs	Moved ResourceResolverService to core namespace for reuse
servers/Azure.Mcp.Server/README.md	Updated documentation with new Application Insights trace commands
docs/azmcp-commands.md	Added documentation for new apptrace list command

Comments suppressed due to low confidence (1)

tools/Azure.Mcp.Tools.ApplicationInsights/src/Commands/AppTrace/AppTraceListCommand.cs:1

• The description section contains inconsistent formatting with escaped quotes and mixed single/double quotes that could confuse users reading the help text.

// Copyright (c) Microsoft Corporation.

[xiaomi7732]

@jongio do you mind give me another approval? Rebased to address the merge conflicts. Thanks!