chore: sync model pricing from OpenRouter API

providers/zhipu.toml

@@ -14,8 +14,8 @@ display_name = "GLM-5.1"
 tier = "frontier"
 context_window = 131072
 max_output_tokens = 16384
-input_cost_per_m = 0.95
-output_cost_per_m = 3.15
+input_cost_per_m = 1.05
+output_cost_per_m = 3.5
 supports_tools = true
 supports_vision = true
 supports_streaming = true
@@ -54,8 +54,8 @@ display_name = "GLM-4.7 Flash"
 tier = "fast"
 context_window = 207872
 max_output_tokens = 16384
-input_cost_per_m = 0.0
-output_cost_per_m = 0.0
+input_cost_per_m = 0.06
+output_cost_per_m = 0.4
 supports_tools = true
 supports_vision = false
 supports_streaming = true