Green Beans Palya

Name: Green Beans Palya
Ingredients: ¼ cup fresh or frozen grated coconut or dried unsweetened shredded coconut; 1 lb. green beans; 1 tsp. chana dal (optional); 1 tsp. urad dal (optional); ½ tsp. black mustard seeds; Pinch of asafetida; 1 Tbsp. vegetable oil; 1 dried red chile; 4–5 fresh curry leaves; ¼ tsp. ground turmeric; ¾ tsp. Diamond Crystal or ½ tsp. Morton kosher salt, plus more; 1 Tbsp. (or more) fresh lemon juice; Cilantro leaves with tender steams and Chitranna, yogurt or raita, and achar (for serving)