feat: add interactive exploration of Shannon's capacity formula with Plotly graphs

- Implemented bandwidth sensitivity and power sensitivity plots.
- Created a contour map for bit rate multiplying factors.
- Added input parameters for C/N and bandwidth with validation.
- Displayed computed results and sensitivity analysis metrics.
- Integrated interactive graphs for user exploration.
- Included background information section for user guidance.

.gitea/workflows/deploy-shannon.yml

@@ -0,0 +1,136 @@
+name: Build & Deploy Shannon
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - 'app.py'
+      - 'core/**'
+      - 'views/**'
+      - 'requirements.txt'
+      - 'Dockerfile'
+      - 'docker-stack.yml'
+      - '.streamlit/**'
+      - '.gitea/workflows/deploy-shannon.yml'
+  workflow_dispatch:
+
+env:
+  IMAGE_NAME: shannon/streamlit
+
+jobs:
+  build-and-deploy:
+    name: 🏗️ Build & Deploy Shannon
+    runs-on: ubuntu-latest
+    steps:
+      - name: 📥 Checkout code
+        uses: https://github.com/actions/checkout@v4
+
+      - name: 🔐 Setup SSH
+        env:
+          SSH_KEY: ${{ secrets.SWARM_SSH_KEY }}
+          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$SSH_KEY" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -H $SSH_HOST >> ~/.ssh/known_hosts
+
+      - name: 📦 Copy source to server
+        env:
+          SSH_USER: ${{ secrets.SWARM_USER }}
+          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
+        run: |
+          tar -czf /tmp/shannon-source.tar.gz \
+            --exclude='.git' \
+            --exclude='.venv' \
+            --exclude='__pycache__' \
+            --exclude='*.db' \
+            --exclude='*.pyc' \
+            -C . .
+          scp -i ~/.ssh/deploy_key /tmp/shannon-source.tar.gz "$SSH_USER@$SSH_HOST":/tmp/
+          echo "✅ Source copied"
+
+      - name: 🐳 Build Docker Image
+        env:
+          SSH_USER: ${{ secrets.SWARM_USER }}
+          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
+        run: |
+          COMMIT_SHA=$(git rev-parse --short HEAD)
+          echo "📌 Commit: $COMMIT_SHA"
+          
+          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
+            set -e
+            cd /tmp
+            rm -rf shannon-build
+            mkdir -p shannon-build
+            cd shannon-build
+            tar -xzf /tmp/shannon-source.tar.gz
+            
+            echo "🐳 Building image with tag: $COMMIT_SHA"
+            docker build -t shannon/streamlit:$COMMIT_SHA \
+                         -t shannon/streamlit:latest .
+            
+            echo "🧹 Cleaning old images..."
+            docker image prune -f
+            
+            echo "✅ Image built: $COMMIT_SHA"
+          ENDSSH
+
+      - name: 🚀 Deploy to Swarm
+        env:
+          SSH_USER: ${{ secrets.SWARM_USER }}
+          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
+        run: |
+          COMMIT_SHA=$(git rev-parse --short HEAD)
+          
+          scp -i ~/.ssh/deploy_key ./docker-stack.yml ${SSH_USER}@${SSH_HOST}:/tmp/shannon-docker-stack.yml
+          
+          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
+            set -e
+            
+            echo "🚀 Deploying stack..."
+            docker stack deploy -c /tmp/shannon-docker-stack.yml shannon
+            
+            echo "🔄 Forcing service update to use new image..."
+            docker service update --force --image shannon/streamlit:$COMMIT_SHA shannon_shannon
+            
+            echo "⏳ Waiting for service to update..."
+            sleep 15
+            
+            echo "📊 Service status:"
+            docker service ls --filter name=shannon_shannon
+            docker service ps shannon_shannon --no-trunc
+            
+            echo "✅ Deployment complete!"
+          ENDSSH
+
+      - name: 🏥 Health Check
+        env:
+          SSH_USER: ${{ secrets.SWARM_USER }}
+          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
+        run: |
+          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
+            echo "🏥 Running health check..."
+            
+            for i in 1 2 3 4 5 6 7 8 9 10 11 12; do
+              HTTP_CODE=\$(curl -s -o /dev/null -w "%{http_code}" https://shannon.antopoid.com/_stcore/health)
+              if [ "\$HTTP_CODE" = "200" ]; then
+                echo "✅ Shannon is accessible (HTTP 200)!"
+                exit 0
+              fi
+              echo "⏳ Waiting for Shannon... (\$i/12) - Status: \$HTTP_CODE"
+              sleep 5
+            done
+            
+            echo "❌ Health check failed!"
+            echo "📋 Service logs:"
+            docker service logs shannon_shannon --tail 50
+            exit 1
+          ENDSSH
+
+      - name: 🧹 Cleanup
+        run: |
+          rm -f ~/.ssh/deploy_key
+          echo "✅ Deployment finished!"