Wash cucumbers. Pat dry.
Cut each cucumber in half lengthwise. Cut each half in half again (12 pieces total).
Scoop out seeds with small spoon. Leave ¼ inch flesh to create boat shape.
Sprinkle inside with salt. Set aside.
In bowl, mash chickpeas lightly with fork. Partially mashed, not smooth.
Add tomatoes, onion, feta, parsley, dill, olive oil, lemon juice, garlic, oregano, salt, and pepper.
Mix until well combined.
Taste. Adjust seasoning as needed.
Pat cucumber boats dry with paper towel.
Spoon chickpea mixture into each boat. Fill generously.
Arrange on serving platter.
Garnish with feta, herbs, and lemon wedges.
Serve immediately or refrigerate up to 2 hours.