added opencode zen as provider

server.py

@@ -400,11 +400,13 @@ def configure_providers():
     from providers.openrouter import OpenRouterProvider
     from providers.shared import ProviderType
     from providers.xai import XAIModelProvider
+    from providers.zen import ZenProvider
     from utils.model_restrictions import get_restriction_service
 
     valid_providers = []
     has_native_apis = False
     has_openrouter = False
+    has_zen = False
     has_custom = False
 
     # Check for Gemini API key
@@ -475,6 +477,19 @@ def configure_providers():
         else:
             logger.debug("OpenRouter API key is placeholder value")
 
+    # Check for OpenCode Zen API key
+    zen_key = get_env("ZEN_API_KEY")
+    logger.debug(f"OpenCode Zen key check: key={'[PRESENT]' if zen_key else '[MISSING]'}")
+    if zen_key and zen_key != "your_zen_api_key_here":
+        valid_providers.append("OpenCode Zen")
+        has_zen = True
+        logger.info("OpenCode Zen API key found - Curated models available via Zen")
+    else:
+        if not zen_key:
+            logger.debug("OpenCode Zen API key not found in environment")
+        else:
+            logger.debug("OpenCode Zen API key is placeholder value")
+
     # Check for custom API endpoint (Ollama, vLLM, etc.)
     custom_url = get_env("CUSTOM_API_URL")
     if custom_url:
@@ -530,7 +545,13 @@ def configure_providers():
         registered_providers.append(ProviderType.CUSTOM.value)
         logger.debug(f"Registered provider: {ProviderType.CUSTOM.value}")
 
-    # 3. OpenRouter last (catch-all for everything else)
+    # 3. OpenCode Zen
+    if has_zen:
+        ModelProviderRegistry.register_provider(ProviderType.ZEN, ZenProvider)
+        registered_providers.append(ProviderType.ZEN.value)
+        logger.debug(f"Registered provider: {ProviderType.ZEN.value}")
+
+    # 4. OpenRouter last (catch-all for everything else)
     if has_openrouter:
         ModelProviderRegistry.register_provider(ProviderType.OPENROUTER, OpenRouterProvider)
         registered_providers.append(ProviderType.OPENROUTER.value)
@@ -548,6 +569,7 @@ def configure_providers():
             "- OPENAI_API_KEY for OpenAI models\n"
             "- XAI_API_KEY for X.AI GROK models\n"
             "- DIAL_API_KEY for DIAL models\n"
+            "- ZEN_API_KEY for OpenCode Zen (curated models)\n"
             "- OPENROUTER_API_KEY for OpenRouter (multiple models)\n"
             "- CUSTOM_API_URL for local models (Ollama, vLLM, etc.)"
         )
@@ -558,6 +580,8 @@ def configure_providers():
     priority_info = []
     if has_native_apis:
         priority_info.append("Native APIs (Gemini, OpenAI)")
+    if has_zen:
+        priority_info.append("OpenCode Zen")
     if has_custom:
         priority_info.append("Custom endpoints")
     if has_openrouter: