chore: sync model pricing from OpenRouter API

providers/reka.toml

@@ -0,0 +1,18 @@
+# reka — auto-generated from OpenRouter API
+
+[provider]
+id = "reka"
+display_name = "Reka"
+api_key_env = "REKA_API_KEY"
+base_url = ""
+key_required = true
+
+[[models]]
+id = "reka-edge"
+display_name = "Reka Edge"
+tier = "fast"
+context_window = 16384
+max_output_tokens = 16384
+input_cost_per_m = 0.2
+output_cost_per_m = 0.2
+supports_streaming = true