BBQ Spaghetti Squash and Chickpea Fritters

Name: BBQ Spaghetti Squash and Chickpea Fritters
Ingredients: 1/2 cup mayonnaise (vegan mayo will work too); 2 teaspoons water; 1 1/2 teaspoons apple cider vinegar; 1/2 teaspoon Dijon mustard; 1/2 teaspoon maple syrup; 1/4 teaspoon salt; 1/8 teaspoon celery seed; 1 medium spaghetti squash; olive oil (for cooking the squash and pan-frying the fritters); 3/4 teaspoon salt (divided); 1 15 ounce can chickpeas, drained and rinsed; 2 large eggs (whisked); 1/4 cup all-purpose flour (all purpose or gluten-free); 1 1/2 teaspoons chili powder; 1 1/2 teaspoons ground cumin; 1 teaspoon brown sugar; 1 teaspoon paprika; 1/4 teaspoon garlic powder; 1/4 teaspoon onion powder; 1/8 teaspoon black pepper