feat(gateway): add config toggle for chat completions endpoint

src/config/schema.ts

@@ -90,6 +90,8 @@ const FIELD_LABELS: Record<string, string> = {
   "gateway.auth.token": "Gateway Token",
   "gateway.auth.password": "Gateway Password",
   "gateway.controlUi.basePath": "Control UI Base Path",
+  "gateway.http.endpoints.chatCompletions.enabled":
+    "OpenAI Chat Completions Endpoint",
   "gateway.reload.mode": "Config Reload Mode",
   "gateway.reload.debounceMs": "Config Reload Debounce (ms)",
   "agents.defaults.workspace": "Workspace",
@@ -158,6 +160,8 @@ const FIELD_HELP: Record<string, string> = {
   "gateway.auth.password": "Required for Tailscale funnel.",
   "gateway.controlUi.basePath":
     "Optional URL prefix where the Control UI is served (e.g. /clawdbot).",
+  "gateway.http.endpoints.chatCompletions.enabled":
+    "Enable the OpenAI-compatible `POST /v1/chat/completions` endpoint (default: true).",
   "gateway.reload.mode":
     'Hot reload strategy for config changes ("hybrid" recommended).',
   "gateway.reload.debounceMs":

src/config/types.ts

@@ -1155,6 +1155,22 @@ export type GatewayReloadConfig = {
   debounceMs?: number;
 };
 
+export type GatewayHttpChatCompletionsConfig = {
+  /**
+   * If false, the Gateway will not serve `POST /v1/chat/completions`.
+   * Default: true when absent.
+   */
+  enabled?: boolean;
+};
+
+export type GatewayHttpEndpointsConfig = {
+  chatCompletions?: GatewayHttpChatCompletionsConfig;
+};
+
+export type GatewayHttpConfig = {
+  endpoints?: GatewayHttpEndpointsConfig;
+};
+
 export type GatewayConfig = {
   /** Single multiplexed port for Gateway WS + HTTP (default: 18789). */
   port?: number;
@@ -1173,6 +1189,7 @@ export type GatewayConfig = {
   tailscale?: GatewayTailscaleConfig;
   remote?: GatewayRemoteConfig;
   reload?: GatewayReloadConfig;
+  http?: GatewayHttpConfig;
 };
 
 export type SkillConfig = {

src/config/zod-schema.ts

@@ -1477,6 +1477,19 @@ export const ClawdbotSchema = z
             debounceMs: z.number().int().min(0).optional(),
           })
           .optional(),
+        http: z
+          .object({
+            endpoints: z
+              .object({
+                chatCompletions: z
+                  .object({
+                    enabled: z.boolean().optional(),
+                  })
+                  .optional(),
+              })
+              .optional(),
+          })
+          .optional(),
       })
       .optional(),
     skills: z