fix: add login.sh helper and graceful not-logged-in handling in entrypoint

entrypoint.sh

@@ -3,25 +3,37 @@ set -e
 
 echo "Starting Obsidian Headless Sync Server..."
 
-# Ensure we are in the vault directory
 cd /vault
 
-# 1. Initial Login
-# Note: In a fully automated environment, the user will need to provide 
-# a session token or use 'ob login' interactively once.
-# For this container, we assume the user has handled login or we use an environment variable.
-if [ -z "$OBSIDIAN_SYNC_TOKEN" ]; then
-    echo "Warning: OBSIDIAN_SYNC_TOKEN not provided. You may need to run 'docker exec -it <container> ob login' manually once."
-else
-    # Assuming the CLI supports token-based login or we inject the session
-    echo "Using provided sync token for login..."
-    # ob login --token $OBSIDIAN_SYNC_TOKEN
+# Check if already logged in by testing ob login --status (or equivalent)
+echo "Checking login status..."
+LOGIN_STATUS=$(ob login 2>&1 || true)
+
+if echo "$LOGIN_STATUS" | grep -qi "not logged in\|unauthorized\|login required\|not authenticated"; then
+    echo ""
+    echo "============================================================"
+    echo "  NOT LOGGED IN — Action required!"
+    echo ""
+    echo "  Run the following command from your host to authenticate:"
+    echo ""
+    echo "    ./login.sh"
+    echo ""
+    echo "  Then restart this container:"
+    echo ""
+    echo "    docker-compose restart"
+    echo "============================================================"
+    echo ""
+    echo "Waiting for login... (sleeping to keep container alive)"
+    sleep infinity
+    exit 0
 fi
 
-# 2. Setup Sync for the specified vault
-echo "Setting up sync for vault: $OBSIDIAN_VAULT_NAME"
-ob sync-setup --vault "$OBSIDIAN_VAULT_NAME" --password "$OBSIDIAN_SYNC_PASSWORD" --device-name "$OBSIDIAN_DEVICE_NAME" --path /vault
+echo "Login confirmed. Setting up sync for vault: $OBSIDIAN_VAULT_NAME"
+ob sync-setup \
+    --vault "$OBSIDIAN_VAULT_NAME" \
+    --password "$OBSIDIAN_SYNC_PASSWORD" \
+    --device-name "$OBSIDIAN_DEVICE_NAME" \
+    --path /vault
 
-# 3. Start Continuous Sync
 echo "Entering continuous sync mode..."
 exec ob sync --continuous