Add AI summary

Signed-off-by: popcorny <[email protected]>

Author: popcornylu

docs/7-cicd/pr_mr_summary.md

@@ -0,0 +1,35 @@
+---
+title: AI Summary
+---
+
+When the CI task is executed, it generates a lineage and checks report for your PR/MR. However, the report uses a fixed format and lacks PR-specific context.
+
+AI Summary leverages state-of-the-art AI agents to understand your changes by analyzing your PR information and updated metadata. It proactively thinks and decides what to validate by data diffing in your data warehouse, then provides comprehensive insights to help you make informed decisions.
+
+Features
+- Automatically identify what to validate
+- Explore changes through data diffing in Recce
+- Generate actionable insights to guide your merge decision
+
+## How to Use
+
+### 1. Trigger via GitHub PR Comment (GitHub only)
+
+In your GitHub PR page, simply comment `/recce` to trigger the AI Summary generation. The Recce bot will respond with emoji feedback to show the progress of the analysis.
+
+![AI Summary slash command example](../assets/images/7-cicd/ai-summary-slash-command.png){: .shadow}
+
+**Emoji Feedback:**
+
+- 👀 : Request received
+- 🚀 : Summary is generating
+- 👍 : Summary is generated
+
+### 2. Trigger via Recce Cloud UI
+
+Go to the Recce Cloud PR/MR session list and click the **"Execute Recce AI Summary"** button to manually trigger the analysis.
+
+### 3. Trigger via CI Automation (Coming Soon)
+
+AI Summary will be automatically generated by default when you update metadata for your PR through CI, eliminating the need for manual triggering.
+

docs/assets/images/7-cicd/ai-summary-slash-command.png

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               - 7-cicd/gitlab/setup-ci.md
               - 7-cicd/gitlab/setup-cd.md
               - 7-cicd/gitlab/gitlab-pat-guide.md
-
+          - 7-cicd/pr_mr_summary.md
           #- 7-cicd/recce-debug.md # content outdated
-          - 7-cicd/scenario-dev.md
+          - 7-cicd/scenario-dev.md          
           - 7-cicd/scenario-pr-review.md
           - 7-cicd/best-practices-prep-env.md
           #- 7-cicd/recce-summary.md content outdated