[AI] Add Copilot prompts and AI agent guidelines for developer workflows

[Muskan Gupta (muskan124947)]

Add Copilot Prompts & AI Agent Configuration for mssql-jdbc

This PR introduces reusable VS Code Copilot prompt files and project-level AI configuration to help maintainers and contributors work more efficiently with GitHub Copilot. Each prompt encapsulates a common workflow as a structured, repeatable guide that Copilot follows step-by-step.

Developers can invoke any prompt by typing #prompt-name in the Copilot chat panel (e.g., #fix-bug, #build). The #getting-started prompt provides an interactive menu to discover all available options.

Prompts

The following prompt files are added under .github/prompts/:

Prompt	Description
#setup-dev	Development environment setup — JDK, Maven, IDE formatter, test DB
#build	Build the driver JAR with Maven across JRE profiles (jre8–jre26)
#run-tests	Run tests with Maven — unit, integration, BVT, state machine, tag filtering
#fix-bug	Guided bug-fix workflow — reproduce, write failing test, fix, verify
#implement-feature	End-to-end feature implementation with tests and documentation
#code-review	Structured AI-assisted PR review checklist
#perf-optimization	Performance investigation — profiling, hotspot analysis, optimization
#create-pr	PR creation with structured description and changelog entry
#generate-doc-comments	Generate Javadoc comments following mssql-jdbc conventions
#generate-prompt	Generate new Copilot prompt files for the project
#generate-skill	Generate Copilot Agent Skills (SKILL.md)
#getting-started	Interactive menu of all available prompts

Project Configuration

These files provide global context so Copilot understands the project's structure, conventions, and constraints across all interactions:

File	Purpose
.github/copilot-instructions.md	Project context, constraints, and conventions loaded automatically into every Copilot session
AGENTS.md	AI agent guidelines — quick-start references, workflow descriptions, common task patterns, and links to detailed instructions

[Copilot]

Pull request overview

This PR adds repository-specific guidance for AI-assisted developer workflows in mssql-jdbc, including a top-level agent guide plus reusable prompt files under .github/prompts/ and Copilot context under .github/copilot-instructions.md.

Changes:

• Add AGENTS.md and .github/copilot-instructions.md to capture project context, repository structure, and workflow expectations for AI agents.
• Add reusable prompt files for build, PR creation, code review, bug fixing, feature work, and performance investigation.
• Document repository-specific constraints such as JRE profile support, testing expectations, and JDBC/TDS-related review criteria.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 10 comments.

Show a summary per file

File	Description
AGENTS.md	New top-level guide for AI agents, linking to repo docs, instruction files, and workflow prompts.
.github/prompts/perf-optimization.prompt.md	Adds a structured prompt for performance investigation and optimization work.
.github/prompts/implement-feature.prompt.md	Adds a step-by-step feature implementation workflow prompt.
.github/prompts/fix-bug.prompt.md	Adds a guided bug diagnosis, testing, and fix workflow prompt.
.github/prompts/create-pr.prompt.md	Adds a detailed prompt for preparing branches, commits, and PR descriptions.
.github/prompts/code-review.prompt.md	Adds a repository-specific PR review checklist and summary template.
.github/prompts/build.prompt.md	Adds a build workflow prompt covering Maven profiles, troubleshooting, and artifact verification.
.github/copilot-instructions.md	Adds project-level Copilot instructions with architecture, testing, and workflow context.

[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 7 comments.

[Copilot]

Pull request overview

Copilot reviewed 13 out of 13 changed files in this pull request and generated 14 comments.