源码快照 @ 2026-09-01 (source-only, 剔除非源码素材)

packages/agent/gui/agent-gui/agentGuiNode/model/effectiveDefaultModel.ts

@@ -0,0 +1,72 @@
+import type {
+  AgentGUIComposerSettingOption,
+  AgentGUIComposerSettingsVM
+} from "./agentGuiNodeTypes";
+
+export function effectiveDefaultModelOption(
+  composerSettings: AgentGUIComposerSettingsVM,
+  options: AgentGUIComposerSettingsVM["availableModels"]
+): AgentGUIComposerSettingOption | null {
+  if (selectedModelValue(composerSettings) !== "default") {
+    return null;
+  }
+  const effectiveValue = composerSettings.effectiveModelValue?.trim();
+  if (!effectiveValue || effectiveValue.toLowerCase() === "default") {
+    return null;
+  }
+  const exact = options.find(
+    (option) =>
+      option.value !== "default" &&
+      option.value.toLowerCase() === effectiveValue.toLowerCase()
+  );
+  if (exact) {
+    return exact;
+  }
+  const effectiveTokens = modelIdentityTokens(effectiveValue);
+  let best: AgentGUIComposerSettingOption | null = null;
+  let bestTokenCount = 0;
+  for (const option of options) {
+    if (option.value === "default") {
+      continue;
+    }
+    for (const candidate of [option.value, option.label]) {
+      const candidateTokens = modelIdentityTokens(candidate);
+      if (
+        candidateTokens.length === 0 ||
+        candidateTokens.some((token) => !effectiveTokens.includes(token))
+      ) {
+        continue;
+      }
+      if (candidateTokens.length > bestTokenCount) {
+        best = option;
+        bestTokenCount = candidateTokens.length;
+      }
+    }
+  }
+  return best ?? { value: effectiveValue, label: effectiveValue };
+}
+
+function selectedModelValue(
+  composerSettings: AgentGUIComposerSettingsVM
+): string | null {
+  return (
+    composerSettings.selectedModelValue ??
+    composerSettings.draftSettings.model ??
+    null
+  );
+}
+
+function modelIdentityTokens(value: string): string[] {
+  return value
+    .trim()
+    .toLowerCase()
+    .replace(/\[[^\]]*\]$/u, "")
+    .split(/[^a-z0-9]+/u)
+    .filter(
+      (token) =>
+        token.length > 1 &&
+        !/^\d+$/u.test(token) &&
+        token !== "claude" &&
+        token !== "latest"
+    );
+}