feat: add Z.AI GLM models as router provider

.env.example

@@ -26,8 +26,13 @@ ANTHROPIC_API_KEY=your-api-key-here
 # OPENROUTER_API_KEY=sk-or-your-openrouter-key
 # ROUTER_DEFAULT=openrouter,google/gemini-3-flash-preview
 
+# --- Z.AI (GLM models) ---
+# ZAI_API_KEY=your-zai-api-key
+# ROUTER_DEFAULT=zai,glm-5
+
 # =============================================================================
 # Available Models
 # =============================================================================
 # OpenAI:     gpt-5.2, gpt-5-mini
 # OpenRouter: google/gemini-3-flash-preview
+# Z.AI:       glm-5, glm-4.7, glm-4.7-flash

README.md

@@ -274,9 +274,13 @@ Shannon can experimentally route requests through alternative AI providers using
 OPENAI_API_KEY=sk-...
 # OR
 OPENROUTER_API_KEY=sk-or-...
+# OR
+ZAI_API_KEY=your-zai-api-key
 
 # Set default model:
 ROUTER_DEFAULT=openai,gpt-5.2  # provider,model format
+# OR
+# ROUTER_DEFAULT=zai,glm-5
 ```
 
 2. Run with `ROUTER=true`:
@@ -291,6 +295,7 @@ ROUTER_DEFAULT=openai,gpt-5.2  # provider,model format
 |----------|--------|
 | OpenAI | gpt-5.2, gpt-5-mini |
 | OpenRouter | google/gemini-3-flash-preview |
+| Z.AI | glm-5, glm-4.7, glm-4.7-flash |
 
 #### Disclaimer
 

configs/router-config.json

@@ -10,9 +10,20 @@
       "name": "openai",
       "api_base_url": "https://api.openai.com/v1/chat/completions",
       "api_key": "$OPENAI_API_KEY",
-      "models": ["gpt-5.2", "gpt-5-mini"],
+      "models": [
+        "gpt-5.2",
+        "gpt-5-mini",
+        "gpt-4o"
+      ],
       "transformer": {
-        "use": [["maxcompletiontokens", { "max_completion_tokens": 16384 }]]
+        "use": [
+          [
+            "maxcompletiontokens",
+            {
+              "max_completion_tokens": 16384
+            }
+          ]
+        ]
       }
     },
     {
@@ -23,11 +34,33 @@
         "google/gemini-3-flash-preview"
       ],
       "transformer": {
-        "use": ["openrouter"]
+        "use": [
+          "openrouter"
+        ]
+      }
+    },
+    {
+      "name": "zai",
+      "api_base_url": "https://api.z.ai/api/coding/paas/v4/chat/completions",
+      "api_key": "$ZAI_API_KEY",
+      "models": [
+        "glm-5",
+        "glm-4.7",
+        "glm-4.7-flash"
+      ],
+      "transformer": {
+        "use": [
+          [
+            "maxcompletiontokens",
+            {
+              "max_completion_tokens": 16384
+            }
+          ]
+        ]
       }
     }
   ],
   "Router": {
     "default": "$ROUTER_DEFAULT"
   }
-}
+}

docker-compose.yml

@@ -60,6 +60,7 @@ services:
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
       - OPENAI_API_KEY=${OPENAI_API_KEY:-}
       - OPENROUTER_API_KEY=${OPENROUTER_API_KEY:-}
+      - ZAI_API_KEY=${ZAI_API_KEY:-}
       - ROUTER_DEFAULT=${ROUTER_DEFAULT:-openai,gpt-4o}
     healthcheck:
       test: ["CMD", "node", "-e", "require('http').get('http://localhost:3456/health', r => process.exit(r.statusCode === 200 ? 0 : 1)).on('error', () => process.exit(1))"]

shannon

@@ -136,12 +136,12 @@ cmd_start() {
 
   # Check for API key (router mode can use alternative provider API keys)
   if [ -z "$ANTHROPIC_API_KEY" ] && [ -z "$CLAUDE_CODE_OAUTH_TOKEN" ]; then
-    if [ "$ROUTER" = "true" ] && { [ -n "$OPENAI_API_KEY" ] || [ -n "$OPENROUTER_API_KEY" ]; }; then
+    if [ "$ROUTER" = "true" ] && { [ -n "$OPENAI_API_KEY" ] || [ -n "$OPENROUTER_API_KEY" ] || [ -n "$ZAI_API_KEY" ]; }; then
       # Router mode with alternative provider - set a placeholder for SDK init
       export ANTHROPIC_API_KEY="router-mode"
     else
       echo "ERROR: Set ANTHROPIC_API_KEY or CLAUDE_CODE_OAUTH_TOKEN in .env"
-      echo "       (or use ROUTER=true with OPENAI_API_KEY or OPENROUTER_API_KEY)"
+      echo "       (or use ROUTER=true with OPENAI_API_KEY, OPENROUTER_API_KEY or ZAI_API_KEY)"
       exit 1
     fi
   fi
@@ -182,8 +182,8 @@ cmd_start() {
       echo "Starting claude-code-router..."
 
       # Check for provider API keys
-      if [ -z "$OPENAI_API_KEY" ] && [ -z "$OPENROUTER_API_KEY" ]; then
-        echo "WARNING: No provider API key set (OPENAI_API_KEY or OPENROUTER_API_KEY). Router may not work."
+      if [ -z "$OPENAI_API_KEY" ] && [ -z "$OPENROUTER_API_KEY" ] && [ -z "$ZAI_API_KEY" ]; then
+        echo "WARNING: No provider API key set (OPENAI_API_KEY, OPENROUTER_API_KEY or ZAI_API_KEY). Router may not work."
       fi
 
       # Start router with profile

src/ai/claude-executor.ts

@@ -229,6 +229,16 @@ export async function runClaudePrompt(
   if (process.env.CLAUDE_CODE_OAUTH_TOKEN) {
     sdkEnv.CLAUDE_CODE_OAUTH_TOKEN = process.env.CLAUDE_CODE_OAUTH_TOKEN;
   }
+  // Router mode: forward base URL, auth token, and model config to SDK subprocess
+  if (process.env.ANTHROPIC_BASE_URL) {
+    sdkEnv.ANTHROPIC_BASE_URL = process.env.ANTHROPIC_BASE_URL;
+  }
+  if (process.env.ANTHROPIC_AUTH_TOKEN) {
+    sdkEnv.ANTHROPIC_AUTH_TOKEN = process.env.ANTHROPIC_AUTH_TOKEN;
+  }
+  if (process.env.ROUTER_DEFAULT) {
+    sdkEnv.ROUTER_DEFAULT = process.env.ROUTER_DEFAULT;
+  }
 
   const options = {
     model: 'claude-sonnet-4-5-20250929',
@@ -472,7 +482,7 @@ export async function runClaudePromptWithRetry(
           await commitGitSuccess(sourceDir, description);
           console.log(chalk.green.bold(`${description} completed successfully on attempt ${attempt}/${maxRetries}`));
           return result;
-        // Validation failure is retryable - agent might succeed on retry with cleaner workspace
+          // Validation failure is retryable - agent might succeed on retry with cleaner workspace
         } else {
           console.log(chalk.yellow(`${description} completed but output validation failed`));