feat: Implement New Document Service Client for document deletion and agent search

feat: Add OpenAPI configuration for API documentation with security scheme

feat: Create KnowledgeTreeController for file and video uploads with enhanced metadata handling

feat: Define DTOs for agent search requests and responses, including metadata filtering

feat: Implement DeleteDocumentResponse DTO for document deletion responses

feat: Create KnowledgeSystemNode DTO for representing knowledge tree structure

chore: Add startup script for ChromaDB instance with Docker integration

start.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# ChromaDB Startup Script
+# This script starts a ChromaDB instance using Docker
+
+echo "Starting ChromaDB instance..."
+
+# Check if Docker is running
+if ! docker info > /dev/null 2>&1; then
+    echo "Error: Docker is not running. Please start Docker first."
+    exit 1
+fi
+
+# ChromaDB configuration
+CHROMA_PORT=8000
+CHROMA_CONTAINER_NAME="chromadb-olympus"
+CHROMA_IMAGE="ghcr.io/chroma-core/chroma:1.3.5"
+CHROMA_DATA_DIR="./chroma-data"
+
+# Create data directory if it doesn't exist
+mkdir -p "$CHROMA_DATA_DIR"
+
+# Check if container already exists
+if [ "$(docker ps -aq -f name=$CHROMA_CONTAINER_NAME)" ]; then
+    echo "ChromaDB container already exists."
+    
+    # Check if it's running
+    if [ "$(docker ps -q -f name=$CHROMA_CONTAINER_NAME)" ]; then
+        echo "ChromaDB is already running on port $CHROMA_PORT"
+        echo "Access it at: http://localhost:$CHROMA_PORT"
+        exit 0
+    else
+        echo "Starting existing ChromaDB container..."
+        docker start $CHROMA_CONTAINER_NAME
+    fi
+else
+    echo "Creating and starting new ChromaDB container..."
+    docker run -d \
+        --name $CHROMA_CONTAINER_NAME \
+        -p $CHROMA_PORT:8000 \
+        -v "$(pwd)/$CHROMA_DATA_DIR:/chroma/chroma" \
+        $CHROMA_IMAGE
+fi
+
+# Wait for ChromaDB to be ready
+echo "Waiting for ChromaDB to be ready..."
+sleep 3
+
+# Check if ChromaDB is responding (with timeout)
+if curl -s --max-time 5 http://localhost:$CHROMA_PORT/api/v1/heartbeat > /dev/null 2>&1; then
+    echo "✅ ChromaDB is up and running!"
+    echo "   - URL: http://localhost:$CHROMA_PORT"
+    echo "   - Data directory: $CHROMA_DATA_DIR"
+    echo "   - Container name: $CHROMA_CONTAINER_NAME"
+    echo ""
+    echo "To stop ChromaDB, run: docker stop $CHROMA_CONTAINER_NAME"
+    echo "To view logs, run: docker logs -f $CHROMA_CONTAINER_NAME"
+else
+    echo "⚠️  ChromaDB container started. Checking if it's ready..."
+    # Try without API endpoint - just check if container is running
+    if docker ps | grep -q $CHROMA_CONTAINER_NAME; then
+        echo "✅ ChromaDB container is running!"
+        echo "   - URL: http://localhost:$CHROMA_PORT"
+        echo "   - Data directory: $CHROMA_DATA_DIR"
+        echo "   - Container name: $CHROMA_CONTAINER_NAME"
+        echo "   - Note: API may take a few more seconds to be ready"
+        echo ""
+        echo "To stop ChromaDB, run: docker stop $CHROMA_CONTAINER_NAME"
+        echo "To view logs, run: docker logs -f $CHROMA_CONTAINER_NAME"
+    else
+        echo "❌ ChromaDB container failed to start"
+        echo "   Check logs with: docker logs $CHROMA_CONTAINER_NAME"
+        exit 1
+    fi
+fi
+
+echo ""
+echo "Update your application.yml with:"
+echo "  spring:"
+echo "    ai:"
+echo "      vectorstore:"
+echo "        chroma:"
+echo "          client:"
+echo "            host: \"http://localhost\""
+echo "            port: \"$CHROMA_PORT\""