Feature: End-to-end RAG pipeline testing and Gradio frontend, HF Smol…

…Agents, Comet, Opik, and MongoDB Atlas backend vectorDB with ParentChild search-via langchain (#pr_online_pipeline_integration_002.notes.md)

pr_online_pipeline_integration_002.notes.md

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+# **Summarized PR Notes**
+
+## **Release Notes**
+
+### **Features**
+
+#### **1. Enhanced Documentation**
+- Updated `main.py` with more verbose and beginner-friendly code documentation for clarity and ease of understanding.
+  - File: `src/second_brain_online/main.py`
+
+#### **2. OPik Integration**
+- Integrated OPik for monitoring pipeline performance and evaluation tracking.
+  - Updated files:
+    - `src/second_brain_online/ONLINE_README.md`
+    - `src/second_brain_online/pyproject.toml`
+    - `src/second_brain_online/main.py`
+
+#### **3. Dynamic Dataset Creation**
+- Implemented a dynamic dataset creation feature utilizing OPik for generating evaluation datasets from the `rag_data` collection in MongoDB Atlas.
+  - New file:
+    - `src/second_brain_online/opik_eval_dataset.py`
+
+#### **4. Evaluation Script**
+- Added a script to perform model evaluation using OPik’s latest best practices for LLM evaluation.
+  - Reference: [OPik Evaluation Documentation](https://www.comet.com/docs/opik/evaluation/evaluate_your_llm/#1-add-tracking-to-your-llm-application)
+  - New file:
+    - `src/second_brain_online/opik_online_pipline_eval.py`
+
+#### **5. SmolAgents Integration**
+- Successfully integrated SmolAgents for intelligent query routing between RAG and LLM inference.
+  - Updated file:
+    - `src/second_brain_online/main.py`
+  - Enabled advanced workflow control using SmolAgents for efficient document retrieval and LLM interactions.
+
+---
+
+### **Modified Files**
+
+#### **Core Configuration**
+- Updated `.env.example` and `pyproject.toml` to include OPik-related dependencies.
+
+#### **Pipeline Components**
+- Enhanced `src/second_brain_online/main.py` with better documentation and integrated OPik monitoring.
+  - Added SmolAgents for intelligent query routing and document retrieval.
+
+#### **Infrastructure**
+- Updated `src/second_brain_online/ONLINE_README.md` to reflect OPik monitoring and evaluation integration.
+
+#### **Build and Test**
+- Incorporated OPik pipeline tracking into the project configuration and evaluation scripts.
+- Modified `uv.lock` to support updates.
+
+---
+
+### **New Files**
+
+#### **1. Dynamic Dataset Creation Script**
+- File: `src/second_brain_online/opik_eval_dataset.py`
+
+#### **2. Evaluation Pipeline Script**
+- File: `src/second_brain_online/opik_online_pipline_eval.py`
+
+---
+
+### **Bug Fixes**
+
+- **No changes.**
+
+---
+
+### **Summary of Changes**
+
+- **Additions**:
+  - Detailed code documentation for `src/second_brain_online/main.py`.
+  - Integration of OPik for monitoring and evaluation.
+  - Dynamic dataset creation script for evaluation.
+  - Evaluation script adhering to OPik’s guidelines.
+  - SmolAgents for advanced query routing and workflow control.
+- **Modifications**:
+  - Updated project dependencies and documentation to support OPik and SmolAgents.
+
+---
+
+### **Outstanding Work To Be Completed**
+
+- **Rank Fusion and Re-Ranking**:
+  - Advanced integration of rank fusion techniques for improved RAG performance.
+
+---
+