refactor: update GitHub Actions workflow for AI-Trader-Server rebrand

Update Docker image references and repository URLs in the Docker release
workflow to reflect the rebrand from AI-Trader to AI-Trader-Server.

Changes:
- Workflow name: Build and Push AI-Trader-Server Docker Image
- Docker image tags: ai-trader → ai-trader-server
- Repository URLs: Xe138/AI-Trader → Xe138/AI-Trader-Server
- Release notes template updated with new image names

Part of Phase 4: Internal Configuration & Metadata (Task 18)

.github/workflows/docker-release.yml

@@ -1,4 +1,4 @@
-name: Build and Push Docker Image
+name: Build and Push AI-Trader-Server Docker Image
 
 on:
   push:
@@ -63,11 +63,11 @@ jobs:
           IS_PRERELEASE="${{ steps.meta.outputs.is_prerelease }}"
 
           # Always tag with version
-          TAGS="ghcr.io/$REPO_OWNER_LOWER/ai-trader:$VERSION"
+          TAGS="ghcr.io/$REPO_OWNER_LOWER/ai-trader-server:$VERSION"
 
           # Only add 'latest' tag for stable releases
           if [[ "$IS_PRERELEASE" == "false" ]]; then
-            TAGS="${TAGS}"$'\n'"ghcr.io/$REPO_OWNER_LOWER/ai-trader:latest"
+            TAGS="${TAGS}"$'\n'"ghcr.io/$REPO_OWNER_LOWER/ai-trader-server:latest"
             echo "Tagging as both $VERSION and latest"
           else
             echo "Pre-release detected - tagging as $VERSION only (NOT latest)"
@@ -89,10 +89,10 @@ jobs:
       - name: Image published
         run: |
           echo "✅ Docker image published successfully!"
-          echo "📦 Pull with: docker pull ghcr.io/${{ steps.meta.outputs.repo_owner_lower }}/ai-trader:${{ steps.meta.outputs.version }}"
+          echo "📦 Pull with: docker pull ghcr.io/${{ steps.meta.outputs.repo_owner_lower }}/ai-trader-server:${{ steps.meta.outputs.version }}"
 
           if [[ "${{ steps.meta.outputs.is_prerelease }}" == "false" ]]; then
-            echo "📦 Or latest: docker pull ghcr.io/${{ steps.meta.outputs.repo_owner_lower }}/ai-trader:latest"
+            echo "📦 Or latest: docker pull ghcr.io/${{ steps.meta.outputs.repo_owner_lower }}/ai-trader-server:latest"
           else
             echo "⚠️  Pre-release version - 'latest' tag not updated"
           fi
@@ -123,8 +123,8 @@ jobs:
 
           **Using Docker Compose:**
           ```bash
-          git clone https://github.com/Xe138/AI-Trader.git
-          cd AI-Trader
+          git clone https://github.com/Xe138/AI-Trader-Server.git
+          cd AI-Trader-Server
           cp .env.example .env
           # Edit .env with your API keys
           docker-compose up
@@ -132,11 +132,11 @@ jobs:
 
           **Using pre-built image:**
           ```bash
-          docker pull ghcr.io/REPO_OWNER/ai-trader:VERSION
+          docker pull ghcr.io/REPO_OWNER/ai-trader-server:VERSION
           docker run --env-file .env \
             -v $(pwd)/data:/app/data \
             -v $(pwd)/logs:/app/logs \
-            ghcr.io/REPO_OWNER/ai-trader:VERSION
+            ghcr.io/REPO_OWNER/ai-trader-server:VERSION
           ```
 
           ### Documentation
@@ -153,8 +153,8 @@ jobs:
 
           ---
 
-          **Container Registry:** `ghcr.io/REPO_OWNER/ai-trader:VERSION`
-          **Docker Image:** `ghcr.io/REPO_OWNER/ai-trader:latest`
+          **Container Registry:** `ghcr.io/REPO_OWNER/ai-trader-server:VERSION`
+          **Docker Image:** `ghcr.io/REPO_OWNER/ai-trader-server:latest`
           EOF
 
           # Replace placeholders