feat: add Claude and OpenRouter AI providers

OpenRouter is used when no provider flag is set. Claude is selected with .cl, and GLM stays available via .glm.

app/agentic.py

@@ -15,7 +15,7 @@ from micro_agents_tools import BraveSearchTools, FilesystemTools, PythonTools
 
 from app.agent_tools import AgentToolManager, TelegramTools
 from app.config import AiConfig, AiProviderConfig
-from app.llm import ChatCompletionsLLM
+from app.llm import AnthropicMessagesLLM, ChatCompletionsLLM, OpenRouterChatLLM
 from app.web_tools import WebPageTools
 
 
@@ -32,6 +32,8 @@ class AgentInvocation:
     prompt: str
     context_messages: int = 0
     use_deepseek: bool = False
+    use_claude: bool = False
+    use_openrouter: bool = False
     thinking: bool = False
 
 
@@ -176,12 +178,18 @@ def parse_agent_invocation(value: str, config: AiConfig) -> AgentInvocation:
             raise AgentSyntaxError("Context message count is outside the configured range")
         index = 1
 
-    use_deepseek = False
+    provider = "openrouter"
     thinking = False
     while index < len(tokens) and tokens[index].startswith("."):
         flag = tokens[index].lower()
-        if flag == ".ds":
-            use_deepseek = True
+        if flag == ".glm":
+            provider = "glm"
+        elif flag == ".ds":
+            provider = "deepseek"
+        elif flag in {".cl", ".claude"}:
+            provider = "claude"
+        elif flag in {".or", ".openrouter"}:
+            provider = "openrouter"
         elif flag == ".th":
             thinking = True
         index += 1
@@ -193,7 +201,9 @@ def parse_agent_invocation(value: str, config: AiConfig) -> AgentInvocation:
     return AgentInvocation(
         prompt=prompt,
         context_messages=context_messages,
-        use_deepseek=use_deepseek,
+        use_deepseek=provider == "deepseek",
+        use_claude=provider == "claude",
+        use_openrouter=provider == "openrouter",
         thinking=thinking,
     )
 
@@ -255,7 +265,7 @@ def _agent_context(command_message: Any, account: Any, invocation: AgentInvocati
             "name": getattr(account_config, "name", None),
             "session": getattr(account_config, "session", None),
         },
-        "provider": "deepseek" if invocation.use_deepseek else "glm",
+        "provider": _provider_name(invocation),
         "thinking": invocation.thinking,
         "context_messages": invocation.context_messages,
     }
@@ -401,12 +411,35 @@ async def _build_context_messages(
     return messages
 
 
+def _provider_name(invocation: AgentInvocation) -> str:
+    if invocation.use_openrouter:
+        return "openrouter"
+    if invocation.use_claude:
+        return "claude"
+    if invocation.use_deepseek:
+        return "deepseek"
+    return "glm"
+
+
 def _provider(config: AiConfig, invocation: AgentInvocation) -> AiProviderConfig:
-    return config.deepseek if invocation.use_deepseek else config.glm
+    if invocation.use_openrouter:
+        return config.openrouter
+    if invocation.use_claude:
+        return config.claude
+    if invocation.use_deepseek:
+        return config.deepseek
+    return config.glm
 
 
 def _create_llm(provider: AiProviderConfig, invocation: AgentInvocation) -> Any:
-    llm_class = OpenAIBasedLLM if invocation.use_deepseek else ChatCompletionsLLM
+    if invocation.use_openrouter:
+        llm_class: type[Any] = OpenRouterChatLLM
+    elif invocation.use_claude:
+        llm_class = AnthropicMessagesLLM
+    elif invocation.use_deepseek:
+        llm_class = OpenAIBasedLLM
+    else:
+        llm_class = ChatCompletionsLLM
     return llm_class(
         api_url=provider.api_url,
         api_key=provider.api_key,