docs: update .github/PULL_REQUEST_TEMPLATE.md via Apex Optimizer

Author: chirag127

.github/PULL_REQUEST_TEMPLATE.md

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+# Pull Request Template
+
+## 🎯 Purpose
+
+Describe the *why* behind this PR. What problem does it solve? What feature does it add?
+
+**Link to Issue(s):** (e.g., `Closes #123`)
+
+---
+
+## 📝 Changes
+
+List the key changes introduced in this PR. Be concise and use bullet points.
+
+*   [ ] Added new feature X
+*   [ ] Fixed bug Y
+*   [ ] Refactored component Z
+*   [ ] Updated documentation
+
+---
+
+## 🚀 How to Test
+
+Provide clear, step-by-step instructions for how reviewers can test your changes.
+
+1.  **Prerequisites:** (e.g., `npm install`, `uv pip sync`)
+2.  **Steps:**
+    *   Checkout branch `[your-branch-name]`
+    *   Run command `[command-to-run]`
+    *   Observe [expected outcome]
+3.  **Specific Scenarios:** (If applicable, list edge cases or critical paths to test)
+
+---
+
+## 🧠 Reviewer Notes
+
+Add any specific areas you'd like reviewers to focus on, potential concerns, or context that might be helpful for understanding the changes.
+
+---
+
+## ✅ Checklist
+
+Ensure all the following points are addressed:
+
+*   [ ] My code follows the project's style guidelines (Apex standards).
+*   [ ] I have performed a self-review of my own code.
+*   [ ] I have commented my code, particularly in hard-to-understand areas.
+*   [ ] I have made corresponding changes to the documentation (if applicable).
+*   [ ] My changes generate no new warnings or errors.
+*   [ ] I have added new tests that prove my fix is effective or that my feature works.
+*   [ ] All new and existing unit tests pass locally with my changes.
+*   [ ] Any dependent changes have been merged and published.
+*   [ ] I have updated the `AGENTS.md` file if any new tools or commands were introduced.
+
+---
+
+## 📚 AI Agent Directives Alignment
+
+This PR aligns with the AI Agent Directives as defined in `AGENTS.md` by [briefly explain how, e.g., implementing a new feature that adheres to the established architecture, fixing a bug that violates an AI-guided principle, etc.].
+
+*   **Current Tech Stack:** JavaScript, Browser Extension APIs, AI (Local Data Analysis/Nudges)
+*   **Verification Commands:** (If new commands are relevant to AI testing)
+    *   `npm run test:ai` (Example)