feat: add OpenRouter as a first-class LLM provider (fixes #612)

cli/planoai/config_generator.py

@@ -14,6 +14,7 @@ SUPPORTED_PROVIDERS_WITH_BASE_URL = [
     "qwen",
     "amazon_bedrock",
     "plano",
+    "openrouter",
 ]
 
 SUPPORTED_PROVIDERS_WITHOUT_BASE_URL = [

config/plano_config_schema.yaml

@@ -190,6 +190,7 @@ properties:
             - openai
             - xiaomi
             - gemini
+            - openrouter
         routing_preferences:
           type: array
           items:
@@ -238,6 +239,7 @@ properties:
             - openai
             - xiaomi
             - gemini
+            - openrouter
         routing_preferences:
           type: array
           items:

crates/common/src/configuration.rs

@@ -370,6 +370,8 @@ pub enum LlmProviderType {
     AmazonBedrock,
     #[serde(rename = "plano")]
     Plano,
+    #[serde(rename = "openrouter")]
+    OpenRouter,
 }
 
 impl Display for LlmProviderType {
@@ -391,6 +393,7 @@ impl Display for LlmProviderType {
             LlmProviderType::Qwen => write!(f, "qwen"),
             LlmProviderType::AmazonBedrock => write!(f, "amazon_bedrock"),
             LlmProviderType::Plano => write!(f, "plano"),
+            LlmProviderType::OpenRouter => write!(f, "openrouter"),
         }
     }
 }

crates/hermesllm/src/providers/id.rs

@@ -44,6 +44,7 @@ pub enum ProviderId {
     Zhipu,
     Qwen,
     AmazonBedrock,
+    OpenRouter,
 }
 
 impl TryFrom<&str> for ProviderId {
@@ -71,6 +72,7 @@ impl TryFrom<&str> for ProviderId {
             "qwen" => Ok(ProviderId::Qwen),
             "amazon_bedrock" => Ok(ProviderId::AmazonBedrock),
             "amazon" => Ok(ProviderId::AmazonBedrock), // alias
+            "openrouter" => Ok(ProviderId::OpenRouter),
             _ => Err(format!("Unknown provider: {}", value)),
         }
     }
@@ -148,7 +150,8 @@ impl ProviderId {
                 | ProviderId::Ollama
                 | ProviderId::Moonshotai
                 | ProviderId::Zhipu
-                | ProviderId::Qwen,
+                | ProviderId::Qwen
+                | ProviderId::OpenRouter,
                 SupportedAPIsFromClient::AnthropicMessagesAPI(_),
             ) => SupportedUpstreamAPIs::OpenAIChatCompletions(OpenAIApi::ChatCompletions),
 
@@ -167,7 +170,8 @@ impl ProviderId {
                 | ProviderId::Ollama
                 | ProviderId::Moonshotai
                 | ProviderId::Zhipu
-                | ProviderId::Qwen,
+                | ProviderId::Qwen
+                | ProviderId::OpenRouter,
                 SupportedAPIsFromClient::OpenAIChatCompletions(_),
             ) => SupportedUpstreamAPIs::OpenAIChatCompletions(OpenAIApi::ChatCompletions),
 
@@ -234,6 +238,7 @@ impl Display for ProviderId {
             ProviderId::Zhipu => write!(f, "zhipu"),
             ProviderId::Qwen => write!(f, "qwen"),
             ProviderId::AmazonBedrock => write!(f, "amazon_bedrock"),
+            ProviderId::OpenRouter => write!(f, "openrouter"),
         }
     }
 }