Add generic OpenAI api support

docs/config-reference.md

@@ -104,6 +104,7 @@ Active LLM provider to use.
 | `"ollama"`     | Local Ollama instance        |
 | `"llamacpp"`   | Local llama.cpp server       |
 | `"openai"`     | OpenAI API directly          |
+| `"openaicompatible"` | OpenAI-compatible API endpoint |
 | `"mlx"`        | MLX on Apple Silicon (local) |
 | `"llmgateway"` | LLM Gateway unified API      |
 | `"deepseek"`   | DeepSeek API                 |
@@ -213,6 +214,28 @@ OpenAI can also use your ChatGPT subscription via Autohand's built-in OpenAI sig
 | `contextWindow` | number | No                     | Auto                        | Exact model context window. Set this to override stale local assumptions. |
 | `chatgptAuth`   | object | Yes for `chatgpt` mode | -                           | Stored ChatGPT/Codex auth tokens and account id                           |
 
+### `openaicompatible`
+
+OpenAI-compatible provider configuration for custom gateways/proxies that expose an OpenAI-style API.
+
+```json
+{
+  "openaicompatible": {
+    "baseUrl": "https://your-provider.example.com/v1",
+    "model": "gpt-4o-mini",
+    "apiKey": "your-provider-key"
+  }
+}
+```
+
+| Field     | Type   | Required | Default                    | Description                                                        |
+| --------- | ------ | -------- | -------------------------- | ------------------------------------------------------------------ |
+| `apiKey`  | string | No       | -                          | API key for endpoints that require bearer auth                     |
+| `baseUrl` | string | Yes      | -                          | OpenAI-compatible endpoint base URL (for example `.../v1`)         |
+| `model`   | string | Yes      | -                          | Model name supported by your provider                              |
+
+When `apiKey` is omitted, requests are sent without an `Authorization` header.
+
 ### `mlx`
 
 MLX provider for Apple Silicon Macs (local inference).

src/config.ts

@@ -65,6 +65,7 @@ function normalizeProviderName(provider: unknown): ProviderName | undefined {
     "ollama",
     "llamacpp",
     "openai",
+    "openaicompatible",
     "mlx",
     "llmgateway",
     "azure",
@@ -649,6 +650,7 @@ function isModernConfig(
     typeof (config as AutohandConfig).ollama === "object" ||
     typeof (config as AutohandConfig).llamacpp === "object" ||
     typeof (config as AutohandConfig).openai === "object" ||
+    typeof (config as AutohandConfig).openaicompatible === "object" ||
     typeof (config as AutohandConfig).mlx === "object" ||
     typeof (config as AutohandConfig).azure === "object" ||
     typeof (config as AutohandConfig).zai === "object" ||
@@ -832,6 +834,7 @@ export function getProviderConfig(
     ollama: config.ollama,
     llamacpp: config.llamacpp,
     openai: config.openai,
+    openaicompatible: config.openaicompatible,
     mlx: config.mlx,
     llmgateway: config.llmgateway,
     azure: config.azure,
@@ -868,6 +871,20 @@ export function getProviderConfig(
         return null;
       }
     }
+  } else if (chosen === "openaicompatible") {
+    const { apiKey, model, baseUrl } = entry as ProviderSettings;
+    if (!model || !baseUrl) {
+      return null;
+    }
+
+    const sanitizedApiKey =
+      apiKey && apiKey !== "replace-me" ? apiKey : undefined;
+
+    return {
+      ...entry,
+      ...(sanitizedApiKey ? { apiKey: sanitizedApiKey } : {}),
+      baseUrl,
+    };
   } else if (
     chosen === "openrouter" ||
     chosen === "llmgateway" ||

src/core/agent.ts

@@ -1585,6 +1585,7 @@ export class AutohandAgent {
     if (this.runtime.config.ollama) providers.push('ollama');
     if (this.runtime.config.llamacpp) providers.push('llamacpp');
     if (this.runtime.config.openai) providers.push('openai');
+    if (this.runtime.config.openaicompatible) providers.push('openaicompatible');
     if (this.runtime.config.mlx) providers.push('mlx');
     if (this.runtime.config.llmgateway) providers.push('llmgateway');
     if (this.runtime.config.zai) providers.push('zai');