add tests, 05 is broken

tests/config.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+# Shared config for all test scripts
+
+BASE_URL="http://localhost:8080"
+
+USER1_NAME="user_one"
+USER1_PASS="password1234"
+USER1_COLOR="255,0,0"
+
+USER2_NAME="user_two"
+USER2_PASS="password5678"
+USER2_COLOR="0,0,255"
+
+GROUP_NAME="TestGroup"
+GROUP_COLOR="0,255,0"
+
+# File to persist state between scripts
+STATE_FILE="$(dirname "$0")/.state"
+
+save_state() {
+    local key="$1" value="$2"
+    touch "$STATE_FILE"
+    # Remove existing key if present, then append
+    sed -i "/^${key}=/d" "$STATE_FILE"
+    echo "${key}=${value}" >> "$STATE_FILE"
+}
+
+load_state() {
+    local key="$1"
+    if [[ -f "$STATE_FILE" ]]; then
+        grep "^${key}=" "$STATE_FILE" | cut -d'=' -f2-
+    fi
+}
+
+decode_jwt_sub() {
+    local token="$1"
+    echo "$token" | cut -d'.' -f2 | base64 -d 2>/dev/null | python3 -c "import sys,json; print(json.load(sys.stdin)['sub'])"
+}