docs: add Moonshot provider setup

docs/concepts/model-providers.md

@@ -110,6 +110,34 @@ Clawdbot ships with the pi‑ai catalog. These providers require **no**
 Use `models.providers` (or `models.json`) to add **custom** providers or
 OpenAI/Anthropic‑compatible proxies.
 
+### Moonshot AI (Kimi)
+
+Moonshot uses OpenAI-compatible endpoints, so configure it as a custom provider:
+
+- Provider: `moonshot`
+- Auth: `MOONSHOT_API_KEY`
+- Example model: `moonshot/kimi-k2-0905-preview`
+- CLI: `clawdbot onboard --auth-choice moonshot-api-key`
+
+```json5
+{
+  agents: {
+    defaults: { model: { primary: "moonshot/kimi-k2-0905-preview" } }
+  },
+  models: {
+    mode: "merge",
+    providers: {
+      moonshot: {
+        baseUrl: "https://api.moonshot.ai/v1",
+        apiKey: "${MOONSHOT_API_KEY}",
+        api: "openai-completions",
+        models: [{ id: "kimi-k2-0905-preview", name: "Kimi K2 0905 Preview" }]
+      }
+    }
+  }
+}
+```
+
 ### MiniMax
 
 MiniMax is configured via `models.providers` because it uses custom endpoints: