update server helper

backend/start_server.sh

@@ -1,14 +1,45 @@
 #!/bin/bash
 
+set -e
+
+VENV=""
+
+for dir in .venv venv env; do
+    if [ -f "$dir/bin/activate" ]; then
+        VENV="$dir"
+        break
+    fi
+done
+
+if [ -z "$VENV" ]; then
+    echo "ERROR: No virtual environment found."
+    echo "Expected .venv/, venv/ or env/"
+    exit 1
+fi
+
+echo "Using virtual environment: $VENV"
+
+source "$VENV/bin/activate"
+
+if [ ! -f requirements.txt ]; then
+    echo "ERROR: requirements.txt not found."
+    exit 1
+fi
+
+echo "Checking requirements..."
+python -m pip install -r requirements.txt
+
 case "$1" in
     local)
         echo "Starting Calendar API locally..."
-        python3 -m uvicorn main:app --reload
+        python -m uvicorn main:app --reload
         ;;
+
     lan)
         echo "Starting Calendar API on LAN..."
-        python3 -m uvicorn main:app --host 0.0.0.0 --port 8000 --reload
+        python -m uvicorn main:app --host 0.0.0.0 --port 8000 --reload
         ;;
+
     *)
         echo "Usage: $0 {local|lan}"
         echo "  local  Start locally"