Add GLM 4.6 + reasoning (#74)

Kujtim Hoxha and Ed4ward created 

* chore: update Z AI provider to support model 4.6

* add reasoning

---------

Co-authored-by: Ed4ward <153800328+Ed4ward@users.noreply.github.com>

Change summary

internal/providers/configs/zai.json | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)

Detailed changes

internal/providers/configs/zai.json 🔗 

@@ -4,9 +4,23 @@
   "api_key": "$ZAI_API_KEY",
   "api_endpoint": "https://api.z.ai/api/coding/paas/v4",
   "type": "openai",
-  "default_large_model_id": "glm-4.5",
+  "default_large_model_id": "glm-4.6",
   "default_small_model_id": "glm-4.5-air",
   "models": [
+    {
+      "id": "glm-4.6",
+      "name": "GLM-4.6",
+      "cost_per_1m_in": 0.6,
+      "cost_per_1m_out": 2.2,
+      "cost_per_1m_in_cached": 0.11,
+      "cost_per_1m_out_cached": 0,
+      "context_window": 204800,
+      "default_max_tokens": 131072,
+      "can_reason": true,
+      "has_reasoning_efforts": true,
+      "default_reasoning_effort": "medium",
+      "supports_attachments": false
+    },
     {
       "id": "glm-4.5",
       "name": "GLM-4.5",
@@ -17,7 +31,8 @@
       "context_window": 131072,
       "default_max_tokens": 98304,
       "can_reason": true,
-      "has_reasoning_efforts": false,
+      "has_reasoning_efforts": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": false
     },
     {
@@ -29,7 +44,8 @@
       "context_window": 131072,
       "default_max_tokens": 98304,
       "can_reason": true,
-      "has_reasoning_efforts": false,
+      "has_reasoning_efforts": true,
+      "default_reasoning_effort": "medium",
       "supports_attachments": false
     }
   ]