diff --git a/Tiku.Api/Contracts/LearningDtos.cs b/Tiku.Api/Contracts/LearningDtos.cs
index b6054de..2262137 100644
--- a/Tiku.Api/Contracts/LearningDtos.cs
+++ b/Tiku.Api/Contracts/LearningDtos.cs
@@ -172,7 +172,7 @@ public sealed class SubmitPracticeSessionDto
     [Required]
     public Guid PracticeSessionId { get; set; }
 
-    [Range(1, long.MaxValue)]
+    [Required, Range(1, long.MaxValue)]
     public long ExpectedSessionVersion { get; set; }
 
     [Required, StringLength(200, MinimumLength = 1)]
@@ -196,13 +196,13 @@ public sealed class SubmitAnswerDto
     /// <summary>
     /// 客户端读取会话时获得的版本。
     /// </summary>
-    [Range(1, long.MaxValue)]
+    [Required, Range(1, long.MaxValue)]
     public long ExpectedSessionVersion { get; set; }
 
     /// <summary>
     /// 客户端在本会话内单调递增的序列。
     /// </summary>
-    [Range(1, long.MaxValue)]
+    [Required, Range(1, long.MaxValue)]
     public long ClientSequence { get; set; }
 
     /// <summary>
diff --git a/Tiku.Domain/Learning/LearningReportEntities.cs b/Tiku.Domain/Learning/LearningReportEntities.cs
index 720b998..224cc1b 100644
--- a/Tiku.Domain/Learning/LearningReportEntities.cs
+++ b/Tiku.Domain/Learning/LearningReportEntities.cs
@@ -122,8 +122,8 @@ public sealed class PracticeSessionReport : AuditableTenantEntity
 
 public enum PracticeReportStatus
 {
-    PendingReview,
     Final,
+    PendingReview,
     LegacyUnverified
 }
 
diff --git a/Tiku.PlatformAdmin.Web/scripts/generate-platform-operations.mjs b/Tiku.PlatformAdmin.Web/scripts/generate-platform-operations.mjs
index 4134a2d..23f4f62 100644
--- a/Tiku.PlatformAdmin.Web/scripts/generate-platform-operations.mjs
+++ b/Tiku.PlatformAdmin.Web/scripts/generate-platform-operations.mjs
@@ -46,6 +46,6 @@ for (const [route, pathItem] of Object.entries(document.paths || {})) {
 
 operations.sort((a, b) => a.path.localeCompare(b.path) || a.method.localeCompare(b.method));
 const schemas = document.components?.schemas || {};
-const source = `/* eslint-disable */\n// 由 scripts/generate-platform-operations.mjs 根据后端 OpenAPI 自动生成，请勿手改。\nimport type { PlatformOperation } from './types';\n\nexport const generatedAt = ${JSON.stringify(new Date().toISOString())};\nexport const platformOperations = ${JSON.stringify(operations, null, 2)} as const satisfies readonly PlatformOperation[];\nexport const openApiSchemas = ${JSON.stringify(schemas, null, 2)} as const;\n`;
+const source = `/* eslint-disable */\n// 由 scripts/generate-platform-operations.mjs 根据后端 OpenAPI 自动生成，请勿手改。\nimport type { PlatformOperation } from './types';\n\nexport const platformOperations = ${JSON.stringify(operations, null, 2)} as const satisfies readonly PlatformOperation[];\nexport const openApiSchemas = ${JSON.stringify(schemas, null, 2)} as const;\n`;
 writeFileSync(path.join(apiDir, 'platform-operations.generated.ts'), source);
 console.log(`已生成 ${operations.length} 个平台接口契约，来源：${openApiUrl}`);
diff --git a/Tiku.PlatformAdmin.Web/src/api/platform-operations.generated.ts b/Tiku.PlatformAdmin.Web/src/api/platform-operations.generated.ts
index 5ff0537..29c9754 100644
--- a/Tiku.PlatformAdmin.Web/src/api/platform-operations.generated.ts
+++ b/Tiku.PlatformAdmin.Web/src/api/platform-operations.generated.ts
@@ -2,7 +2,6 @@
 // 由 scripts/generate-platform-operations.mjs 根据后端 OpenAPI 自动生成，请勿手改。
 import type { PlatformOperation } from './types';
 
-export const generatedAt = "2026-08-01T08:13:39.099Z";
 export const platformOperations = [
   {
     "id": "GET /api/backoffice/platform/bootstrap",
@@ -3137,10 +3136,13 @@ export const openApiSchemas = {
       "id",
       "sessionQuestionId",
       "practiceSessionId",
-      "selectedOptions",
+      "selectedOptionIndices",
       "answerText",
-      "isCorrect",
-      "answeredAt"
+      "status",
+      "revision",
+      "clientSequence",
+      "sessionVersion",
+      "acceptedAt"
     ],
     "type": "object",
     "properties": {
@@ -3156,7 +3158,7 @@ export const openApiSchemas = {
         "type": "string",
         "format": "uuid"
       },
-      "selectedOptions": {
+      "selectedOptionIndices": {
         "$ref": "#/components/schemas/JsonElement"
       },
       "answerText": {
@@ -3165,13 +3167,34 @@ export const openApiSchemas = {
           "string"
         ]
       },
-      "isCorrect": {
-        "type": [
-          "null",
-          "boolean"
-        ]
+      "status": {
+        "type": "string"
       },
-      "answeredAt": {
+      "revision": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int32"
+      },
+      "clientSequence": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int64"
+      },
+      "sessionVersion": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int64"
+      },
+      "acceptedAt": {
         "type": "string",
         "format": "date-time"
       }
@@ -19690,6 +19713,9 @@ export const openApiSchemas = {
   "PracticeMode": {
     "type": "integer"
   },
+  "PracticeReportStatus": {
+    "type": "integer"
+  },
   "PracticeSessionDetailItem": {
     "required": [
       "session",
@@ -19736,7 +19762,9 @@ export const openApiSchemas = {
       "finishedAt",
       "expiresAt",
       "metadata",
-      "status"
+      "status",
+      "version",
+      "lastClientSequence"
     ],
     "type": "object",
     "properties": {
@@ -19857,7 +19885,23 @@ export const openApiSchemas = {
         "$ref": "#/components/schemas/JsonElement"
       },
       "status": {
-        "type": "string"
+        "$ref": "#/components/schemas/PracticeSessionStatus"
+      },
+      "version": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int64"
+      },
+      "lastClientSequence": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int64"
       }
     }
   },
@@ -19873,8 +19917,7 @@ export const openApiSchemas = {
       "tags",
       "versionId",
       "content",
-      "options",
-      "explanation"
+      "options"
     ],
     "type": "object",
     "properties": {
@@ -19929,12 +19972,6 @@ export const openApiSchemas = {
       },
       "options": {
         "$ref": "#/components/schemas/JsonElement"
-      },
-      "explanation": {
-        "type": [
-          "null",
-          "string"
-        ]
       }
     }
   },
@@ -19956,6 +19993,11 @@ export const openApiSchemas = {
       "durationSeconds",
       "startedAt",
       "submittedAt",
+      "status",
+      "version",
+      "isFinal",
+      "pendingReviewCount",
+      "scoringVersion",
       "sectionStats",
       "questionResults",
       "wrongQuestionIds",
@@ -20071,6 +20113,36 @@ export const openApiSchemas = {
         "type": "string",
         "format": "date-time"
       },
+      "status": {
+        "$ref": "#/components/schemas/PracticeReportStatus"
+      },
+      "version": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int32"
+      },
+      "isFinal": {
+        "type": "boolean"
+      },
+      "pendingReviewCount": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int32"
+      },
+      "scoringVersion": {
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int32"
+      },
       "sectionStats": {
         "$ref": "#/components/schemas/JsonElement"
       },
@@ -20085,6 +20157,9 @@ export const openApiSchemas = {
       }
     }
   },
+  "PracticeSessionStatus": {
+    "type": "integer"
+  },
   "PreviewReconciliationImportDto": {
     "required": [
       "provider",
@@ -24332,7 +24407,10 @@ export const openApiSchemas = {
   },
   "SubmitAnswerDto": {
     "required": [
-      "sessionQuestionId"
+      "sessionQuestionId",
+      "expectedSessionVersion",
+      "clientSequence",
+      "idempotencyKey"
     ],
     "type": "object",
     "properties": {
@@ -24341,15 +24419,48 @@ export const openApiSchemas = {
         "description": "会话题目 ID。",
         "format": "uuid"
       },
-      "selectedOptions": {
+      "expectedSessionVersion": {
+        "maximum": 9223372036854776000,
+        "minimum": 1,
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "description": "客户端读取会话时获得的版本。",
+        "format": "int64"
+      },
+      "clientSequence": {
+        "maximum": 9223372036854776000,
+        "minimum": 1,
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "description": "客户端在本会话内单调递增的序列。",
+        "format": "int64"
+      },
+      "idempotencyKey": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string",
+        "description": "网络重试幂等键。"
+      },
+      "selectedOptionIndices": {
         "type": [
           "null",
           "array"
         ],
         "items": {
-          "type": "string"
+          "pattern": "^-?(?:0|[1-9]\\d*)$",
+          "type": [
+            "integer",
+            "string"
+          ],
+          "format": "int32"
         },
-        "description": "已选选项。"
+        "description": "已选选项的零基索引。"
       },
       "answerText": {
         "maxLength": 10000,
@@ -24359,13 +24470,6 @@ export const openApiSchemas = {
           "string"
         ],
         "description": "文字答案。"
-      },
-      "selfJudgedCorrect": {
-        "type": [
-          "null",
-          "boolean"
-        ],
-        "description": "主观题自评是否正确。"
       }
     },
     "description": "提交答案请求 DTO。"
@@ -24448,7 +24552,9 @@ export const openApiSchemas = {
   },
   "SubmitPracticeSessionDto": {
     "required": [
-      "practiceSessionId"
+      "practiceSessionId",
+      "expectedSessionVersion",
+      "idempotencyKey"
     ],
     "type": "object",
     "properties": {
@@ -24456,6 +24562,21 @@ export const openApiSchemas = {
         "type": "string",
         "description": "练习会话 ID。",
         "format": "uuid"
+      },
+      "expectedSessionVersion": {
+        "maximum": 9223372036854776000,
+        "minimum": 1,
+        "pattern": "^-?(?:0|[1-9]\\d*)$",
+        "type": [
+          "integer",
+          "string"
+        ],
+        "format": "int64"
+      },
+      "idempotencyKey": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string"
       }
     },
     "description": "提交练习会话请求 DTO。"
diff --git a/Tiku.PlatformAdmin.Web/src/api/schema.generated.d.ts b/Tiku.PlatformAdmin.Web/src/api/schema.generated.d.ts
index 50fe5e8..fca8d8d 100644
--- a/Tiku.PlatformAdmin.Web/src/api/schema.generated.d.ts
+++ b/Tiku.PlatformAdmin.Web/src/api/schema.generated.d.ts
@@ -19623,11 +19623,17 @@ export interface components {
             sessionQuestionId: string;
             /** Format: uuid */
             practiceSessionId: string;
-            selectedOptions: components["schemas"]["JsonElement"];
+            selectedOptionIndices: components["schemas"]["JsonElement"];
             answerText: null | string;
-            isCorrect: null | boolean;
+            status: string;
+            /** Format: int32 */
+            revision: number | string;
+            /** Format: int64 */
+            clientSequence: number | string;
+            /** Format: int64 */
+            sessionVersion: number | string;
             /** Format: date-time */
-            answeredAt: string;
+            acceptedAt: string;
         };
         AppAssetCatalogItem: {
             /** Format: uuid */
@@ -24291,6 +24297,7 @@ export interface components {
             accuracy: null | number | string;
         };
         PracticeMode: number;
+        PracticeReportStatus: number;
         PracticeSessionDetailItem: {
             session: components["schemas"]["PracticeSessionItem"];
             questions: components["schemas"]["PracticeSessionQuestionItem"][];
@@ -24332,7 +24339,11 @@ export interface components {
             /** Format: date-time */
             expiresAt: null | string;
             metadata: components["schemas"]["JsonElement"];
-            status: string;
+            status: components["schemas"]["PracticeSessionStatus"];
+            /** Format: int64 */
+            version: number | string;
+            /** Format: int64 */
+            lastClientSequence: number | string;
         };
         PracticeSessionQuestionItem: {
             /** Format: uuid */
@@ -24351,7 +24362,6 @@ export interface components {
             versionId: null | string;
             content: null | string;
             options: components["schemas"]["JsonElement"];
-            explanation: null | string;
         };
         PracticeSessionReportItem: {
             /** Format: uuid */
@@ -24385,11 +24395,20 @@ export interface components {
             startedAt: null | string;
             /** Format: date-time */
             submittedAt: string;
+            status: components["schemas"]["PracticeReportStatus"];
+            /** Format: int32 */
+            version: number | string;
+            isFinal: boolean;
+            /** Format: int32 */
+            pendingReviewCount: number | string;
+            /** Format: int32 */
+            scoringVersion: number | string;
             sectionStats: components["schemas"]["JsonElement"];
             questionResults: components["schemas"]["JsonElement"];
             wrongQuestionIds: components["schemas"]["JsonElement"];
             metadata: components["schemas"]["JsonElement"];
         };
+        PracticeSessionStatus: number;
         /** @description 预览对账导入请求 DTO。 */
         PreviewReconciliationImportDto: {
             /** @description 服务提供方。 */
@@ -25534,12 +25553,22 @@ export interface components {
              * @description 会话题目 ID。
              */
             sessionQuestionId: string;
-            /** @description 已选选项。 */
-            selectedOptions?: null | string[];
+            /**
+             * Format: int64
+             * @description 客户端读取会话时获得的版本。
+             */
+            expectedSessionVersion: number | string;
+            /**
+             * Format: int64
+             * @description 客户端在本会话内单调递增的序列。
+             */
+            clientSequence: number | string;
+            /** @description 网络重试幂等键。 */
+            idempotencyKey: string;
+            /** @description 已选选项的零基索引。 */
+            selectedOptionIndices?: null | (number | string)[];
             /** @description 文字答案。 */
             answerText?: null | string;
-            /** @description 主观题自评是否正确。 */
-            selfJudgedCorrect?: null | boolean;
         };
         /** @description 提交反馈请求 DTO。 */
         SubmitFeedbackDto: {
@@ -25572,6 +25601,9 @@ export interface components {
              * @description 练习会话 ID。
              */
             practiceSessionId: string;
+            /** Format: int64 */
+            expectedSessionVersion: number | string;
+            idempotencyKey: string;
         };
         SvipPlanCatalogItem: {
             /** Format: uuid */