Thinking: gate xhigh by model

src/gateway/sessions-patch.ts

@@ -8,10 +8,13 @@ import {
 } from "../agents/model-selection.js";
 import { normalizeGroupActivation } from "../auto-reply/group-activation.js";
 import {
+  formatThinkingLevels,
+  formatXHighModelHint,
   normalizeElevatedLevel,
   normalizeReasoningLevel,
   normalizeThinkLevel,
   normalizeUsageDisplay,
+  supportsXHighThinking,
 } from "../auto-reply/thinking.js";
 import type { ClawdbotConfig } from "../config/config.js";
 import type { SessionEntry } from "../config/sessions.js";
@@ -95,8 +98,17 @@ export async function applySessionsPatchToStore(params: {
     } else if (raw !== undefined) {
       const normalized = normalizeThinkLevel(String(raw));
       if (!normalized) {
+        const resolvedDefault = resolveConfiguredModelRef({
+          cfg,
+          defaultProvider: DEFAULT_PROVIDER,
+          defaultModel: DEFAULT_MODEL,
+        });
+        const hintProvider =
+          existing?.providerOverride?.trim() || resolvedDefault.provider;
+        const hintModel =
+          existing?.modelOverride?.trim() || resolvedDefault.model;
         return invalid(
-          "invalid thinkingLevel (use off|minimal|low|medium|high)",
+          `invalid thinkingLevel (use ${formatThinkingLevels(hintProvider, hintModel, "|")})`,
         );
       }
       if (normalized === "off") delete next.thinkingLevel;
@@ -196,6 +208,24 @@ export async function applySessionsPatchToStore(params: {
     }
   }
 
+  if (next.thinkingLevel === "xhigh") {
+    const resolvedDefault = resolveConfiguredModelRef({
+      cfg,
+      defaultProvider: DEFAULT_PROVIDER,
+      defaultModel: DEFAULT_MODEL,
+    });
+    const effectiveProvider = next.providerOverride ?? resolvedDefault.provider;
+    const effectiveModel = next.modelOverride ?? resolvedDefault.model;
+    if (!supportsXHighThinking(effectiveProvider, effectiveModel)) {
+      if ("thinkingLevel" in patch) {
+        return invalid(
+          `thinkingLevel "xhigh" is only supported for ${formatXHighModelHint()}`,
+        );
+      }
+      next.thinkingLevel = "high";
+    }
+  }
+
   if ("sendPolicy" in patch) {
     const raw = patch.sendPolicy;
     if (raw === null) {