Add ability to disable thinking for specific AI models

Add a map `noThinkingModels` to `main.go` and conditionally set `"thinking": false` in upstream API payloads for `z-ai/glm4.7` and `deepseek-ai/deepseek-v3.1` in both `callUpstream` and `streamUpstream` functions.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a225ab96-d6aa-42ce-a50b-aa844bc8db2b
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 502cbfc3-2e91-4c43-97e7-a3613d76783b
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/cbd1ae84-d682-4025-b26d-c56df1ac13a1/a225ab96-d6aa-42ce-a50b-aa844bc8db2b/jm4hNZf
Replit-Helium-Checkpoint-Created: true

main.go

@@ -29,6 +29,12 @@ var modelAliases = map[string]string{
         "Kimi-K2":         "moonshotai/kimi-k2-instruct",
 }
 
+// Modele z wyłączonym thinking
+var noThinkingModels = map[string]bool{
+        "z-ai/glm4.7":              true,
+        "deepseek-ai/deepseek-v3.1": true,
+}
+
 // --- STRUKTURY ---
 
 type Message struct {
@@ -125,6 +131,9 @@ func callUpstream(modelID string, messages []Message, tools []Tool, toolChoice i
                 "messages": messages,
                 "stream":   false,
         }
+        if noThinkingModels[modelID] {
+                payload["thinking"] = false
+        }
         if temperature != nil {
                 payload["temperature"] = *temperature
         }
@@ -167,6 +176,9 @@ func streamUpstream(w http.ResponseWriter, modelID string, messages []Message, t
                 "messages": messages,
                 "stream":   true,
         }
+        if noThinkingModels[modelID] {
+                payload["thinking"] = false
+        }
         if temperature != nil {
                 payload["temperature"] = *temperature
         }