✨ feat(vscode): codex 命令统一组装，模型/思考级别可在设置面板配置

新增 cc/codexCommand.ts 作为 codex 调用的唯一出口（buildCodexArgs /
buildCodexCommandString），把 exec-review / resume / interactive 三种形态
的 flag 拼装收敛到一处；模型与思考级别作为自由文本项写入全局设置并贯穿
webview 消息通道，空值则不传 -c，沿用 codex config.toml 默认。

vscode/webview-ui/src/components/SettingsModal.tsx

@@ -32,6 +32,8 @@ interface SubmitValues {
   implTabPreCreateScript: string
   implTabPostCloseScript: string
   conflictResolutionProfilePath: string
+  codexModel: string
+  codexReasoningEffort: string
   youtrackBaseUrl: string
   youtrackProjectShortName: string
   youtrackCloseCommand: string
@@ -72,6 +74,8 @@ export interface SettingsModalProps {
   initialImplTabPreCreateScript: string
   initialImplTabPostCloseScript: string
   initialConflictResolutionProfilePath: string
+  initialCodexModel: string
+  initialCodexReasoningEffort: string
   initialYoutrackBaseUrl: string
   initialYoutrackProjectShortName: string
   initialYoutrackCloseCommand: string
@@ -146,6 +150,8 @@ export function SettingsModal({
   initialImplTabPreCreateScript,
   initialImplTabPostCloseScript,
   initialConflictResolutionProfilePath,
+  initialCodexModel,
+  initialCodexReasoningEffort,
   initialYoutrackBaseUrl,
   initialYoutrackProjectShortName,
   initialYoutrackCloseCommand,
@@ -174,6 +180,8 @@ export function SettingsModal({
   const [implTabPreCreateScript, setImplTabPreCreateScript] = useState(initialImplTabPreCreateScript)
   const [implTabPostCloseScript, setImplTabPostCloseScript] = useState(initialImplTabPostCloseScript)
   const [conflictResolutionProfilePath, setConflictResolutionProfilePath] = useState(initialConflictResolutionProfilePath)
+  const [codexModel, setCodexModel] = useState(initialCodexModel)
+  const [codexReasoningEffort, setCodexReasoningEffort] = useState(initialCodexReasoningEffort)
   const [youtrackBaseUrl, setYoutrackBaseUrl] = useState(initialYoutrackBaseUrl)
   const [youtrackProjectShortName, setYoutrackProjectShortName] = useState(initialYoutrackProjectShortName)
   const [youtrackCloseCommand, setYoutrackCloseCommand] = useState(initialYoutrackCloseCommand)
@@ -204,6 +212,8 @@ export function SettingsModal({
     setImplTabPreCreateScript(initialImplTabPreCreateScript)
     setImplTabPostCloseScript(initialImplTabPostCloseScript)
     setConflictResolutionProfilePath(initialConflictResolutionProfilePath)
+    setCodexModel(initialCodexModel)
+    setCodexReasoningEffort(initialCodexReasoningEffort)
     setYoutrackBaseUrl(initialYoutrackBaseUrl)
     setYoutrackProjectShortName(initialYoutrackProjectShortName)
     setYoutrackCloseCommand(initialYoutrackCloseCommand)
@@ -287,6 +297,9 @@ export function SettingsModal({
       implTabPostCloseScript: implTabPostCloseScript.trim(),
       // 冲突解决 profile：空串 = 用 DEFAULT_PROFILE_PATH
       conflictResolutionProfilePath: conflictResolutionProfilePath.trim(),
+      // codex 模型 / 思考级别：trim 后留空 = 用 codex config.toml 默认
+      codexModel: codexModel.trim(),
+      codexReasoningEffort: codexReasoningEffort.trim(),
       youtrackBaseUrl: youtrackBaseUrl.trim(),
       youtrackProjectShortName: youtrackProjectShortName.trim(),
       youtrackCloseCommand: youtrackCloseCommand.trim(),
@@ -463,6 +476,49 @@ export function SettingsModal({
                     )}
                   </select>
                 </Field>
+
+                <Field
+                  label="codex 模型"
+                  hint={(
+                    <>
+                      审查会话使用的 codex 模型（
+                      <code>-c model=</code>
+                      ）。留空则用 codex
+                      {' '}
+                      <code>config.toml</code>
+                      {' '}
+                      默认。
+                    </>
+                  )}
+                >
+                  <input
+                    type="text"
+                    value={codexModel}
+                    onChange={e => setCodexModel(e.target.value)}
+                    placeholder="留空用 codex 默认（如 gpt-5.6-sol）"
+                    className={inputClass}
+                  />
+                </Field>
+
+                <Field
+                  label="codex 思考级别"
+                  hint={(
+                    <>
+                      审查会话的
+                      {' '}
+                      <code>model_reasoning_effort</code>
+                      ；留空则用 codex 默认。
+                    </>
+                  )}
+                >
+                  <input
+                    type="text"
+                    value={codexReasoningEffort}
+                    onChange={e => setCodexReasoningEffort(e.target.value)}
+                    placeholder="留空用 codex 默认（minimal/low/medium/high/xhigh）"
+                    className={inputClass}
+                  />
+                </Field>
               </>
             )}