feat(crypto-tail): 尾盘策略完整实现与优化

- 尾盘策略 CRUD、订单簿 WS 订阅、周期内触发下单 - 订单簿订阅日志增加市场 slug，便于排查 - 移除轮询，完全依赖 WebSocket（删除 CryptoTailStrategyScheduler） - FIXED 模式数量改为小数、向上取整，与签名服务一致 - 前端策略列表页、多语言与 API 对接 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-14 05:01:10 +08:00
parent f1ec0a330b
commit 2238370088
29 changed files with 3240 additions and 1 deletions
@@ -2,6 +2,7 @@ package com.wrbug.polymarketbot.api

 import retrofit2.Response
 import retrofit2.http.GET
+import retrofit2.http.Path
 import retrofit2.http.Query

 /**
@@ -26,8 +27,39 @@ interface PolymarketGammaApi {
        @Query("clob_token_ids") clobTokenIds: List<String>? = null,
        @Query("include_tag") includeTag: Boolean? = null
    ): Response<List<MarketResponse>>
+
+    /**
+     * 根据 slug 获取事件（用于 5/15 分钟加密市场）
+     * GET /events/slug/{slug}，如 btc-updown-5m-1771007400
+     * 返回事件含 markets（conditionId、endDate、clobTokenIds 等）
+     */
+    @GET("/events/slug/{slug}")
+    suspend fun getEventBySlug(@Path("slug") slug: String): Response<GammaEventBySlugResponse>
 }

+/**
+ * Gamma 按 slug 返回的事件结构
+ */
+data class GammaEventBySlugResponse(
+    val id: String? = null,
+    val slug: String? = null,
+    val title: String? = null,
+    val startDate: String? = null,
+    val endDate: String? = null,
+    val markets: List<GammaEventMarketItem>? = null
+)
+
+/**
+ * 事件下的市场项（5/15 分钟市场为二元，通常两个 outcome）
+ */
+data class GammaEventMarketItem(
+    val conditionId: String? = null,
+    val question: String? = null,
+    val endDate: String? = null,
+    val startDate: String? = null,
+    val clobTokenIds: String? = null
+)
+
 /**
 * 事件响应（从 MarketResponse.events 解析）
 */
@@ -0,0 +1,154 @@
+package com.wrbug.polymarketbot.controller.cryptotail
+
+import com.wrbug.polymarketbot.dto.ApiResponse
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyCreateRequest
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyDeleteRequest
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyDto
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyListRequest
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyListResponse
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyTriggerListRequest
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyTriggerListResponse
+import com.wrbug.polymarketbot.dto.CryptoTailStrategyUpdateRequest
+import com.wrbug.polymarketbot.dto.CryptoTailMarketOptionDto
+import com.wrbug.polymarketbot.enums.ErrorCode
+import com.wrbug.polymarketbot.service.cryptotail.CryptoTailStrategyService
+import org.slf4j.LoggerFactory
+import org.springframework.context.MessageSource
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/api/crypto-tail-strategy")
+class CryptoTailStrategyController(
+    private val cryptoTailStrategyService: CryptoTailStrategyService,
+    private val messageSource: MessageSource
+) {
+
+    private val logger = LoggerFactory.getLogger(CryptoTailStrategyController::class.java)
+
+    @PostMapping("/list")
+    fun list(@RequestBody request: CryptoTailStrategyListRequest): ResponseEntity<ApiResponse<CryptoTailStrategyListResponse>> {
+        return try {
+            val result = cryptoTailStrategyService.list(request)
+            result.fold(
+                onSuccess = { ResponseEntity.ok(ApiResponse.success(it)) },
+                onFailure = { e ->
+                    logger.error("查询尾盘策略列表失败: ${e.message}", e)
+                    ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_LIST_FETCH_FAILED, e.message, messageSource))
+                }
+            )
+        } catch (e: Exception) {
+            logger.error("查询尾盘策略列表异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_LIST_FETCH_FAILED, e.message, messageSource))
+        }
+    }
+
+    @PostMapping("/create")
+    fun create(@RequestBody request: CryptoTailStrategyCreateRequest): ResponseEntity<ApiResponse<CryptoTailStrategyDto>> {
+        return try {
+            val result = cryptoTailStrategyService.create(request)
+            result.fold(
+                onSuccess = { ResponseEntity.ok(ApiResponse.success(it)) },
+                onFailure = { e ->
+                    logger.error("创建尾盘策略失败: ${e.message}", e)
+                    val code = when (e.message) {
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_INTERVAL_INVALID.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_INTERVAL_INVALID
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID
+                        else -> ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_CREATE_FAILED
+                    }
+                    ResponseEntity.ok(ApiResponse.error(code, messageSource = messageSource))
+                }
+            )
+        } catch (e: Exception) {
+            logger.error("创建尾盘策略异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_CREATE_FAILED, e.message, messageSource))
+        }
+    }
+
+    @PostMapping("/update")
+    fun update(@RequestBody request: CryptoTailStrategyUpdateRequest): ResponseEntity<ApiResponse<CryptoTailStrategyDto>> {
+        return try {
+            if (request.strategyId <= 0) {
+                return ResponseEntity.ok(ApiResponse.error(ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND, messageSource = messageSource))
+            }
+            val result = cryptoTailStrategyService.update(request)
+            result.fold(
+                onSuccess = { ResponseEntity.ok(ApiResponse.success(it)) },
+                onFailure = { e ->
+                    logger.error("更新尾盘策略失败: ${e.message}", e)
+                    val code = when (e.message) {
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED
+                        ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID.messageKey -> ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID
+                        else -> ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_UPDATE_FAILED
+                    }
+                    ResponseEntity.ok(ApiResponse.error(code, messageSource = messageSource))
+                }
+            )
+        } catch (e: Exception) {
+            logger.error("更新尾盘策略异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_UPDATE_FAILED, e.message, messageSource))
+        }
+    }
+
+    @PostMapping("/delete")
+    fun delete(@RequestBody request: CryptoTailStrategyDeleteRequest): ResponseEntity<ApiResponse<Unit>> {
+        return try {
+            val strategyId = request.strategyId
+            if (strategyId <= 0) {
+                return ResponseEntity.ok(ApiResponse.error(ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND, messageSource = messageSource))
+            }
+            val result = cryptoTailStrategyService.delete(strategyId)
+            result.fold(
+                onSuccess = { ResponseEntity.ok(ApiResponse.success(Unit)) },
+                onFailure = { e ->
+                    logger.error("删除尾盘策略失败: ${e.message}", e)
+                    ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_DELETE_FAILED, e.message, messageSource))
+                }
+            )
+        } catch (e: Exception) {
+            logger.error("删除尾盘策略异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_DELETE_FAILED, e.message, messageSource))
+        }
+    }
+
+    @PostMapping("/triggers")
+    fun getTriggerRecords(@RequestBody request: CryptoTailStrategyTriggerListRequest): ResponseEntity<ApiResponse<CryptoTailStrategyTriggerListResponse>> {
+        return try {
+            if (request.strategyId <= 0) {
+                return ResponseEntity.ok(ApiResponse.error(ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND, messageSource = messageSource))
+            }
+            val result = cryptoTailStrategyService.getTriggerRecords(request)
+            result.fold(
+                onSuccess = { ResponseEntity.ok(ApiResponse.success(it)) },
+                onFailure = { e ->
+                    logger.error("查询触发记录失败: ${e.message}", e)
+                    ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_TRIGGERS_FETCH_FAILED, e.message, messageSource))
+                }
+            )
+        } catch (e: Exception) {
+            logger.error("查询触发记录异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_CRYPTO_TAIL_STRATEGY_TRIGGERS_FETCH_FAILED, e.message, messageSource))
+        }
+    }
+
+    @PostMapping("/market-options")
+    fun getMarketOptions(): ResponseEntity<ApiResponse<List<CryptoTailMarketOptionDto>>> {
+        return try {
+            val options = listOf(
+                CryptoTailMarketOptionDto(slug = "btc-updown-5m", title = "Bitcoin Up or Down - 5 minute", intervalSeconds = 300, periodStartUnix = 0L, endDate = null),
+                CryptoTailMarketOptionDto(slug = "btc-updown-15m", title = "Bitcoin Up or Down - 15 minute", intervalSeconds = 900, periodStartUnix = 0L, endDate = null)
+            )
+            ResponseEntity.ok(ApiResponse.success(options))
+        } catch (e: Exception) {
+            logger.error("获取市场选项异常: ${e.message}", e)
+            ResponseEntity.ok(ApiResponse.error(ErrorCode.SERVER_ERROR, e.message, messageSource))
+        }
+    }
+}
@@ -0,0 +1,124 @@
+package com.wrbug.polymarketbot.dto
+
+/**
+ * 尾盘策略创建请求
+ * 金额与价格使用 String，后端转为 BigDecimal
+ */
+data class CryptoTailStrategyCreateRequest(
+    val accountId: Long = 0L,
+    val name: String? = null,
+    val marketSlugPrefix: String = "",
+    val intervalSeconds: Int = 300,
+    val windowStartSeconds: Int = 0,
+    val windowEndSeconds: Int = 0,
+    val minPrice: String = "0",
+    val maxPrice: String? = null,
+    val amountMode: String = "RATIO",
+    val amountValue: String = "0",
+    val enabled: Boolean = true
+)
+
+/**
+ * 尾盘策略更新请求
+ */
+data class CryptoTailStrategyUpdateRequest(
+    val strategyId: Long = 0L,
+    val name: String? = null,
+    val windowStartSeconds: Int? = null,
+    val windowEndSeconds: Int? = null,
+    val minPrice: String? = null,
+    val maxPrice: String? = null,
+    val amountMode: String? = null,
+    val amountValue: String? = null,
+    val enabled: Boolean? = null
+)
+
+/**
+ * 尾盘策略列表请求
+ */
+data class CryptoTailStrategyListRequest(
+    val accountId: Long? = null,
+    val enabled: Boolean? = null
+)
+
+/**
+ * 尾盘策略 DTO（列表与详情）
+ */
+data class CryptoTailStrategyDto(
+    val id: Long = 0L,
+    val accountId: Long = 0L,
+    val name: String? = null,
+    val marketSlugPrefix: String = "",
+    val marketTitle: String? = null,
+    val intervalSeconds: Int = 0,
+    val windowStartSeconds: Int = 0,
+    val windowEndSeconds: Int = 0,
+    val minPrice: String = "0",
+    val maxPrice: String = "1",
+    val amountMode: String = "RATIO",
+    val amountValue: String = "0",
+    val enabled: Boolean = true,
+    val lastTriggerAt: Long? = null,
+    val createdAt: Long = 0L,
+    val updatedAt: Long = 0L
+)
+
+/**
+ * 尾盘策略列表响应
+ */
+data class CryptoTailStrategyListResponse(
+    val list: List<CryptoTailStrategyDto> = emptyList()
+)
+
+/**
+ * 尾盘策略删除请求
+ */
+data class CryptoTailStrategyDeleteRequest(
+    val strategyId: Long = 0L
+)
+
+/**
+ * 触发记录列表请求
+ */
+data class CryptoTailStrategyTriggerListRequest(
+    val strategyId: Long = 0L,
+    val page: Int = 1,
+    val pageSize: Int = 20,
+    val status: String? = null
+)
+
+/**
+ * 触发记录 DTO
+ */
+data class CryptoTailStrategyTriggerDto(
+    val id: Long = 0L,
+    val strategyId: Long = 0L,
+    val periodStartUnix: Long = 0L,
+    val marketTitle: String? = null,
+    val outcomeIndex: Int = 0,
+    val triggerPrice: String = "0",
+    val amountUsdc: String = "0",
+    val orderId: String? = null,
+    val status: String = "success",
+    val failReason: String? = null,
+    val createdAt: Long = 0L
+)
+
+/**
+ * 触发记录分页响应
+ */
+data class CryptoTailStrategyTriggerListResponse(
+    val list: List<CryptoTailStrategyTriggerDto> = emptyList(),
+    val total: Long = 0L
+)
+
+/**
+ * 5/15 分钟市场项（供前端选择市场）
+ */
+data class CryptoTailMarketOptionDto(
+    val slug: String = "",
+    val title: String = "",
+    val intervalSeconds: Int = 0,
+    val periodStartUnix: Long = 0L,
+    val endDate: String? = null
+)
@@ -0,0 +1,56 @@
+package com.wrbug.polymarketbot.entity
+
+import jakarta.persistence.*
+import java.math.BigDecimal
+import com.wrbug.polymarketbot.util.toSafeBigDecimal
+
+/**
+ * 加密市场尾盘策略实体
+ * 5/15 分钟 Up or Down 市场，在周期内时间窗口、价格进入区间时市价买入
+ */
+@Entity
+@Table(name = "crypto_tail_strategy")
+data class CryptoTailStrategy(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long? = null,
+
+    @Column(name = "account_id", nullable = false)
+    val accountId: Long = 0L,
+
+    @Column(name = "name", length = 255)
+    val name: String? = null,
+
+    @Column(name = "market_slug_prefix", nullable = false, length = 64)
+    val marketSlugPrefix: String = "",
+
+    @Column(name = "interval_seconds", nullable = false)
+    val intervalSeconds: Int = 300,
+
+    @Column(name = "window_start_seconds", nullable = false)
+    val windowStartSeconds: Int = 0,
+
+    @Column(name = "window_end_seconds", nullable = false)
+    val windowEndSeconds: Int = 0,
+
+    @Column(name = "min_price", nullable = false, precision = 20, scale = 8)
+    val minPrice: BigDecimal = BigDecimal.ONE,
+
+    @Column(name = "max_price", nullable = false, precision = 20, scale = 8)
+    val maxPrice: BigDecimal = BigDecimal.ONE,
+
+    @Column(name = "amount_mode", nullable = false, length = 10)
+    val amountMode: String = "RATIO",
+
+    @Column(name = "amount_value", nullable = false, precision = 20, scale = 8)
+    val amountValue: BigDecimal = BigDecimal.ZERO,
+
+    @Column(name = "enabled", nullable = false)
+    val enabled: Boolean = true,
+
+    @Column(name = "created_at", nullable = false)
+    val createdAt: Long = System.currentTimeMillis(),
+
+    @Column(name = "updated_at", nullable = false)
+    var updatedAt: Long = System.currentTimeMillis()
+)
@@ -0,0 +1,46 @@
+package com.wrbug.polymarketbot.entity
+
+import jakarta.persistence.*
+import java.math.BigDecimal
+import com.wrbug.polymarketbot.util.toSafeBigDecimal
+
+/**
+ * 尾盘策略触发记录
+ */
+@Entity
+@Table(name = "crypto_tail_strategy_trigger")
+data class CryptoTailStrategyTrigger(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long? = null,
+
+    @Column(name = "strategy_id", nullable = false)
+    val strategyId: Long = 0L,
+
+    @Column(name = "period_start_unix", nullable = false)
+    val periodStartUnix: Long = 0L,
+
+    @Column(name = "market_title", length = 500)
+    val marketTitle: String? = null,
+
+    @Column(name = "outcome_index", nullable = false)
+    val outcomeIndex: Int = 0,
+
+    @Column(name = "trigger_price", nullable = false, precision = 20, scale = 8)
+    val triggerPrice: BigDecimal = BigDecimal.ZERO,
+
+    @Column(name = "amount_usdc", nullable = false, precision = 20, scale = 8)
+    val amountUsdc: BigDecimal = BigDecimal.ZERO,
+
+    @Column(name = "order_id", length = 128)
+    val orderId: String? = null,
+
+    @Column(name = "status", nullable = false, length = 20)
+    val status: String = "success",
+
+    @Column(name = "fail_reason", length = 500)
+    val failReason: String? = null,
+
+    @Column(name = "created_at", nullable = false)
+    val createdAt: Long = System.currentTimeMillis()
+)
@@ -158,6 +158,13 @@ enum class ErrorCode(
    ACCOUNT_BALANCE_FETCH_FAILED(4707, "查询账户余额失败", "error.account_balance_fetch_failed"),
    ACCOUNT_POSITIONS_FETCH_FAILED(4708, "查询仓位列表失败", "error.account_positions_fetch_failed"),
    
+    // 尾盘策略 (4710-4729)
+    CRYPTO_TAIL_STRATEGY_NOT_FOUND(4710, "尾盘策略不存在", "error.crypto_tail_strategy_not_found"),
+    CRYPTO_TAIL_STRATEGY_WINDOW_INVALID(4711, "时间区间开始不能大于结束", "error.crypto_tail_strategy_window_invalid"),
+    CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED(4712, "时间区间不能超过周期长度", "error.crypto_tail_strategy_window_exceed"),
+    CRYPTO_TAIL_STRATEGY_INTERVAL_INVALID(4713, "周期仅支持 300 或 900 秒", "error.crypto_tail_strategy_interval_invalid"),
+    CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID(4714, "投入方式仅支持 RATIO 或 FIXED", "error.crypto_tail_strategy_amount_mode_invalid"),
+
    // 统计相关 (4801-4899)
    STATISTICS_FETCH_FAILED(4801, "获取统计信息失败", "error.statistics_fetch_failed"),
    ORDER_LIST_FETCH_FAILED(4802, "查询订单列表失败", "error.order_list_fetch_failed"),
@@ -250,7 +257,14 @@ enum class ErrorCode(
    SERVER_BACKTEST_HISTORICAL_DATA_FETCH_FAILED(5610, "历史数据获取失败", "error.server.backtest_historical_data_fetch_failed"),
    SERVER_BACKTEST_STOP_FAILED(5611, "停止回测任务失败", "error.server.backtest_stop_failed"),
    SERVER_BACKTEST_RETRY_FAILED(5612, "重试回测任务失败", "error.server.backtest_retry_failed"),
-    SERVER_BACKTEST_RERUN_FAILED(5613, "按配置重新测试失败", "error.server.backtest_rerun_failed");
+    SERVER_BACKTEST_RERUN_FAILED(5613, "按配置重新测试失败", "error.server.backtest_rerun_failed"),
+
+    // 尾盘策略服务 (5620-5629)
+    SERVER_CRYPTO_TAIL_STRATEGY_CREATE_FAILED(5620, "创建尾盘策略失败", "error.server.crypto_tail_strategy_create_failed"),
+    SERVER_CRYPTO_TAIL_STRATEGY_UPDATE_FAILED(5621, "更新尾盘策略失败", "error.server.crypto_tail_strategy_update_failed"),
+    SERVER_CRYPTO_TAIL_STRATEGY_DELETE_FAILED(5622, "删除尾盘策略失败", "error.server.crypto_tail_strategy_delete_failed"),
+    SERVER_CRYPTO_TAIL_STRATEGY_LIST_FETCH_FAILED(5623, "查询尾盘策略列表失败", "error.server.crypto_tail_strategy_list_fetch_failed"),
+    SERVER_CRYPTO_TAIL_STRATEGY_TRIGGERS_FETCH_FAILED(5624, "查询触发记录失败", "error.server.crypto_tail_strategy_triggers_fetch_failed");
    
    companion object {
        /**
@@ -0,0 +1,8 @@
+package com.wrbug.polymarketbot.event
+
+import org.springframework.context.ApplicationEvent
+
+/**
+ * 尾盘策略创建/更新/启用状态变更后发布，用于立即触发一轮执行检查。
+ */
+class CryptoTailStrategyChangedEvent(source: Any) : ApplicationEvent(source)
@@ -0,0 +1,11 @@
+package com.wrbug.polymarketbot.repository
+
+import com.wrbug.polymarketbot.entity.CryptoTailStrategy
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface CryptoTailStrategyRepository : JpaRepository<CryptoTailStrategy, Long> {
+
+    fun findAllByAccountId(accountId: Long): List<CryptoTailStrategy>
+    fun findAllByEnabledTrue(): List<CryptoTailStrategy>
+    fun findByAccountIdAndEnabled(accountId: Long, enabled: Boolean): List<CryptoTailStrategy>
+}
@@ -0,0 +1,14 @@
+package com.wrbug.polymarketbot.repository
+
+import com.wrbug.polymarketbot.entity.CryptoTailStrategyTrigger
+import org.springframework.data.domain.Page
+import org.springframework.data.domain.Pageable
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface CryptoTailStrategyTriggerRepository : JpaRepository<CryptoTailStrategyTrigger, Long> {
+
+    fun findByStrategyIdAndPeriodStartUnix(strategyId: Long, periodStartUnix: Long): CryptoTailStrategyTrigger?
+    fun findAllByStrategyIdOrderByCreatedAtDesc(strategyId: Long, pageable: Pageable): Page<CryptoTailStrategyTrigger>
+    fun findAllByStrategyIdAndStatusOrderByCreatedAtDesc(strategyId: Long, status: String, pageable: Pageable): Page<CryptoTailStrategyTrigger>
+    fun countByStrategyIdAndStatus(strategyId: Long, status: String): Long
+}
@@ -0,0 +1,279 @@
+package com.wrbug.polymarketbot.service.cryptotail
+
+import com.wrbug.polymarketbot.api.GammaEventBySlugResponse
+import com.wrbug.polymarketbot.constants.PolymarketConstants
+import com.wrbug.polymarketbot.entity.CryptoTailStrategy
+import com.wrbug.polymarketbot.event.CryptoTailStrategyChangedEvent
+import com.wrbug.polymarketbot.repository.CryptoTailStrategyRepository
+import com.wrbug.polymarketbot.util.RetrofitFactory
+import com.wrbug.polymarketbot.util.createClient
+import com.wrbug.polymarketbot.util.fromJson
+import com.wrbug.polymarketbot.util.toJson
+import com.wrbug.polymarketbot.util.toSafeBigDecimal
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.WebSocket
+import okhttp3.WebSocketListener
+import org.slf4j.LoggerFactory
+import org.springframework.context.event.EventListener
+import org.springframework.stereotype.Service
+import jakarta.annotation.PostConstruct
+import java.math.BigDecimal
+import java.util.concurrent.atomic.AtomicReference
+
+/**
+ * 尾盘策略订单簿 WebSocket 监听：订阅 CLOB Market 频道，收到订单簿/价格变更时若满足条件立即触发下单。
+ */
+@Service
+class CryptoTailOrderbookWsService(
+    private val strategyRepository: CryptoTailStrategyRepository,
+    private val executionService: CryptoTailStrategyExecutionService,
+    private val retrofitFactory: RetrofitFactory
+) {
+
+    private val logger = LoggerFactory.getLogger(CryptoTailOrderbookWsService::class.java)
+
+    private val scope = CoroutineScope(Dispatchers.Default + SupervisorJob())
+
+    /** tokenId -> list of (strategy, periodStartUnix, marketTitle, tokenIds, outcomeIndex) */
+    private val tokenToEntries = AtomicReference<Map<String, List<WsBookEntry>>>(emptyMap())
+
+    private var webSocket: WebSocket? = null
+    private val wsUrl = PolymarketConstants.RTDS_WS_URL + "/ws/market"
+    private val client = createClient().build()
+
+    /** 订阅成功后设置的倒计时 Job，在周期结束时自动刷新订阅 */
+    private var periodEndCountdownJob: Job? = null
+
+    /** 重连延迟（毫秒） */
+    private val reconnectDelayMs = 10_000L
+
+    data class WsBookEntry(
+        val strategy: CryptoTailStrategy,
+        val periodStartUnix: Long,
+        val marketTitle: String?,
+        val tokenIds: List<String>,
+        val outcomeIndex: Int
+    )
+
+    @PostConstruct
+    fun init() {
+        connect()
+    }
+
+    private fun connect() {
+        if (webSocket != null) return
+        try {
+            val request = Request.Builder().url(wsUrl).build()
+            webSocket = client.newWebSocket(request, object : WebSocketListener() {
+                override fun onOpen(webSocket: WebSocket, response: okhttp3.Response) {
+                    logger.info("尾盘策略订单簿 WebSocket 已连接")
+                    refreshAndSubscribe()
+                }
+
+                override fun onMessage(webSocket: WebSocket, text: String) {
+                    handleMessage(text)
+                }
+
+                override fun onClosing(webSocket: WebSocket, code: Int, reason: String) {
+                    this@CryptoTailOrderbookWsService.webSocket = null
+                    scheduleReconnect()
+                }
+
+                override fun onFailure(webSocket: WebSocket, t: Throwable, response: okhttp3.Response?) {
+                    logger.warn("尾盘策略订单簿 WebSocket 异常: ${t.message}")
+                    this@CryptoTailOrderbookWsService.webSocket = null
+                    scheduleReconnect()
+                }
+            })
+        } catch (e: Exception) {
+            logger.error("尾盘策略订单簿 WebSocket 连接失败: ${e.message}", e)
+            scheduleReconnect()
+        }
+    }
+
+    private var reconnectJob: Job? = null
+
+    private fun scheduleReconnect() {
+        if (reconnectJob?.isActive == true) return
+        reconnectJob = scope.launch {
+            delay(reconnectDelayMs)
+            reconnectJob = null
+            logger.info("尾盘策略订单簿 WebSocket 尝试重连")
+            connect()
+        }
+    }
+
+    private fun handleMessage(text: String) {
+        if (text == "pong" || text.isEmpty()) return
+        maybeRefreshSubscriptionIfPeriodChanged()
+        val json = text.fromJson<com.google.gson.JsonObject>() ?: return
+        val eventType = (json.get("event_type") as? com.google.gson.JsonPrimitive)?.asString ?: return
+
+        when (eventType) {
+            "book" -> {
+                val assetId = (json.get("asset_id") as? com.google.gson.JsonPrimitive)?.asString ?: return
+                val bids = json.get("bids") as? com.google.gson.JsonArray
+                val firstBid = bids?.get(0) as? com.google.gson.JsonObject
+                val bestBid = (firstBid?.get("price") as? com.google.gson.JsonPrimitive)?.asString?.toSafeBigDecimal()
+                if (bestBid != null) onBestBid(assetId, bestBid)
+            }
+            "price_change" -> {
+                val priceChanges = json.get("price_changes") as? com.google.gson.JsonArray ?: return
+                for (i in 0 until priceChanges.size()) {
+                    val pc = priceChanges.get(i) as? com.google.gson.JsonObject ?: continue
+                    val assetId = (pc.get("asset_id") as? com.google.gson.JsonPrimitive)?.asString ?: continue
+                    val bestBidStr = (pc.get("best_bid") as? com.google.gson.JsonPrimitive)?.asString
+                    val bestBid = bestBidStr?.toSafeBigDecimal()
+                    if (bestBid != null) onBestBid(assetId, bestBid)
+                }
+            }
+        }
+    }
+
+    private fun onBestBid(tokenId: String, bestBid: BigDecimal) {
+        val entries = tokenToEntries.get()[tokenId] ?: return
+        val nowSeconds = System.currentTimeMillis() / 1000
+        for (e in entries) {
+            val windowStart = e.periodStartUnix + e.strategy.windowStartSeconds
+            val windowEnd = e.periodStartUnix + e.strategy.windowEndSeconds
+            if (nowSeconds < windowStart || nowSeconds >= windowEnd) continue
+            scope.launch {
+                try {
+                    runBlocking {
+                        executionService.tryTriggerWithPriceFromWs(
+                            strategy = e.strategy,
+                            periodStartUnix = e.periodStartUnix,
+                            marketTitle = e.marketTitle,
+                            tokenIds = e.tokenIds,
+                            outcomeIndex = e.outcomeIndex,
+                            bestBid = bestBid
+                        )
+                    }
+                } catch (ex: Exception) {
+                    logger.error("WS 触发下单异常: strategyId=${e.strategy.id}, ${ex.message}", ex)
+                }
+            }
+        }
+    }
+
+    /**
+     * 事件驱动：仅在收到 WS 消息时检查当前周期是否变化，若变化则刷新订阅，无需定时轮询。
+     */
+    private fun maybeRefreshSubscriptionIfPeriodChanged() {
+        val subscribed = tokenToEntries.get().values.flatten().distinctBy { it.strategy.id }.associate { it.strategy.id!! to it.periodStartUnix }
+        if (subscribed.isEmpty()) return
+        val strategies = strategyRepository.findAllByEnabledTrue()
+        val nowSeconds = System.currentTimeMillis() / 1000
+        val currentStrategyIds = strategies.map { it.id!! }.toSet()
+        if (subscribed.keys != currentStrategyIds) {
+            refreshAndSubscribe()
+            return
+        }
+        for (s in strategies) {
+            val currentPeriod = (nowSeconds / s.intervalSeconds) * s.intervalSeconds
+            val subPeriod = subscribed[s.id!!] ?: continue
+            if (currentPeriod != subPeriod) {
+                refreshAndSubscribe()
+                return
+            }
+        }
+    }
+
+    private fun refreshAndSubscribe() {
+        periodEndCountdownJob?.cancel()
+        periodEndCountdownJob = null
+        val (tokenIds, newMap) = buildSubscriptionMap()
+        tokenToEntries.set(newMap)
+        if (tokenIds.isEmpty()) return
+        val marketSlugs = newMap.values.asSequence().flatten()
+            .distinctBy { "${it.strategy.marketSlugPrefix}-${it.periodStartUnix}" }
+            .map { "${it.strategy.marketSlugPrefix}-${it.periodStartUnix}" }
+            .toList()
+        val msg = """{"type":"MARKET","assets_ids":${tokenIds.toJson()}}"""
+        try {
+            webSocket?.send(msg)
+            logger.info("尾盘策略订单簿订阅: ${tokenIds.size} 个 token, 市场: $marketSlugs")
+        } catch (e: Exception) {
+            logger.warn("发送订阅失败: ${e.message}")
+            return
+        }
+        scheduleRefreshAtPeriodEnd(newMap)
+    }
+
+    /**
+     * 订阅成功后设置倒计时：在当前周期结束时自动刷新订阅，无需等消息触发。
+     */
+    private fun scheduleRefreshAtPeriodEnd(newMap: Map<String, List<WsBookEntry>>) {
+        val entries = newMap.values.flatten()
+        if (entries.isEmpty()) return
+        val nextPeriodEndSeconds = entries.minOf { it.periodStartUnix + it.strategy.intervalSeconds }
+        val delayMs = (nextPeriodEndSeconds * 1000) - System.currentTimeMillis() + 2000
+        if (delayMs <= 0) return
+        periodEndCountdownJob = scope.launch {
+            delay(delayMs)
+            periodEndCountdownJob = null
+            refreshAndSubscribe()
+        }
+        logger.debug("尾盘策略订单簿订阅倒计时: ${delayMs / 1000}s 后刷新")
+    }
+
+    private fun buildSubscriptionMap(): Pair<List<String>, Map<String, List<WsBookEntry>>> {
+        val strategies = strategyRepository.findAllByEnabledTrue()
+        val nowSeconds = System.currentTimeMillis() / 1000
+        val tokenIdSet = mutableSetOf<String>()
+        val map = mutableMapOf<String, MutableList<WsBookEntry>>()
+
+        for (strategy in strategies) {
+            val interval = strategy.intervalSeconds
+            val periodStartUnix = (nowSeconds / interval) * interval
+            val windowEnd = periodStartUnix + strategy.windowEndSeconds
+            if (nowSeconds >= windowEnd) continue
+            val slug = "${strategy.marketSlugPrefix}-$periodStartUnix"
+            val event = fetchEventBySlug(slug).getOrNull() ?: continue
+            val market = event.markets?.firstOrNull() ?: continue
+            val tokenIds = parseClobTokenIds(market.clobTokenIds)
+            if (tokenIds.size < 2) continue
+            tokenIdSet.addAll(tokenIds)
+            for (i in tokenIds.indices) {
+                map.getOrPut(tokenIds[i]) { mutableListOf() }.add(
+                    WsBookEntry(strategy, periodStartUnix, event.title, tokenIds, i)
+                )
+            }
+        }
+
+        return Pair(tokenIdSet.toList(), map)
+    }
+
+    private fun fetchEventBySlug(slug: String): Result<GammaEventBySlugResponse> {
+        return try {
+            val api = retrofitFactory.createGammaApi()
+            val response = runBlocking { api.getEventBySlug(slug) }
+            if (response.isSuccessful && response.body() != null) {
+                Result.success(response.body()!!)
+            } else {
+                Result.failure(Exception("${response.code()}"))
+            }
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    private fun parseClobTokenIds(clobTokenIds: String?): List<String> {
+        if (clobTokenIds.isNullOrBlank()) return emptyList()
+        val parsed = clobTokenIds.fromJson<List<String>>()
+        return parsed ?: emptyList()
+    }
+
+    @EventListener
+    fun onStrategyChanged(event: CryptoTailStrategyChangedEvent) {
+        refreshAndSubscribe()
+    }
+}
@@ -0,0 +1,444 @@
+package com.wrbug.polymarketbot.service.cryptotail
+
+import com.wrbug.polymarketbot.api.GammaEventBySlugResponse
+import com.wrbug.polymarketbot.api.NewOrderRequest
+import com.wrbug.polymarketbot.api.PolymarketClobApi
+import com.wrbug.polymarketbot.entity.Account
+import com.wrbug.polymarketbot.entity.CryptoTailStrategy
+import com.wrbug.polymarketbot.entity.CryptoTailStrategyTrigger
+import com.wrbug.polymarketbot.repository.AccountRepository
+import com.wrbug.polymarketbot.repository.CryptoTailStrategyRepository
+import com.wrbug.polymarketbot.repository.CryptoTailStrategyTriggerRepository
+import com.wrbug.polymarketbot.service.accounts.AccountService
+import com.wrbug.polymarketbot.service.common.PolymarketClobService
+import com.wrbug.polymarketbot.service.copytrading.orders.OrderSigningService
+import com.wrbug.polymarketbot.util.CryptoUtils
+import com.wrbug.polymarketbot.util.RetrofitFactory
+import com.wrbug.polymarketbot.util.fromJson
+import com.wrbug.polymarketbot.util.toSafeBigDecimal
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Service
+import java.math.BigDecimal
+import java.math.RoundingMode
+import java.util.concurrent.ConcurrentHashMap
+
+/** 尾盘策略固定下单价格（最高价 0.99），不再在触发时拉取最优价 */
+private const val TRIGGER_FIXED_PRICE = "0.99"
+
+/** 数量小数位数，与 OrderSigningService 的 roundConfig.size 一致 */
+private const val SIZE_DECIMAL_SCALE = 2
+
+/**
+ * 周期内预置上下文：账户、解密凭证、费率、签名类型、CLOB 客户端；FIXED 模式含预签订单。
+ * 触发时 RATIO 仅算 size 并签名提交，FIXED 直接提交预签订单。
+ */
+private data class PeriodContext(
+    val strategy: CryptoTailStrategy,
+    val periodStartUnix: Long,
+    val account: Account,
+    val decryptedPrivateKey: String,
+    val apiSecretDecrypted: String,
+    val apiPassphraseDecrypted: String,
+    val clobApi: PolymarketClobApi,
+    val feeRateByTokenId: Map<String, String>,
+    val signatureType: Int,
+    val tokenIds: List<String>,
+    val marketTitle: String?,
+    val preSignedOrderByOutcome: Map<Int, NewOrderRequest>?
+)
+
+/**
+ * 尾盘策略执行服务：按周期与时间窗口检查价格并下单，每周期最多触发一次。
+ * 周期开始预置账户、解密、费率、签名类型、CLOB 客户端；FIXED 模式预签两张订单，触发时仅提交；RATIO 模式触发时再算 size 并签名提交。
+ */
+@Service
+class CryptoTailStrategyExecutionService(
+    private val strategyRepository: CryptoTailStrategyRepository,
+    private val triggerRepository: CryptoTailStrategyTriggerRepository,
+    private val accountRepository: AccountRepository,
+    private val accountService: AccountService,
+    private val retrofitFactory: RetrofitFactory,
+    private val clobService: PolymarketClobService,
+    private val orderSigningService: OrderSigningService,
+    private val cryptoUtils: CryptoUtils
+) {
+
+    private val logger = LoggerFactory.getLogger(CryptoTailStrategyExecutionService::class.java)
+
+    private val maxRetryAttempts = 3
+    private val retryDelayMs = 2000L
+
+    /** 按 (strategyId, periodStartUnix) 加锁，避免同一周期被调度器与 WebSocket 等多路并发重复下单 */
+    private val triggerMutexMap = ConcurrentHashMap<String, Mutex>()
+
+    private fun triggerLockKey(strategyId: Long, periodStartUnix: Long): String = "$strategyId-$periodStartUnix"
+
+    private fun getTriggerMutex(strategyId: Long, periodStartUnix: Long): Mutex =
+        triggerMutexMap.getOrPut(triggerLockKey(strategyId, periodStartUnix)) { Mutex() }
+
+    /** 周期预置上下文缓存：(strategyId-periodStartUnix) -> PeriodContext，过期周期在读取时剔除 */
+    private val periodContextCache = ConcurrentHashMap<String, PeriodContext>()
+
+    /**
+     * 在周期内首次需要时构建并缓存预置上下文；失败返回 null，触发流程将走完整路径。
+     * 预置：账户、解密、费率、签名类型、CLOB 客户端；FIXED 时预签两个 outcome 的订单。
+     */
+    private suspend fun ensurePeriodContext(
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        tokenIds: List<String>,
+        marketTitle: String?
+    ): PeriodContext? {
+        val key = triggerLockKey(strategy.id!!, periodStartUnix)
+        periodContextCache[key]?.let { return it }
+
+        val account = accountRepository.findById(strategy.accountId).orElse(null) ?: return null
+        if (account.apiKey == null || account.apiSecret == null || account.apiPassphrase == null) return null
+
+        val decryptedKey = try {
+            cryptoUtils.decrypt(account.privateKey) ?: return null
+        } catch (e: Exception) {
+            logger.warn("尾盘策略周期上下文解密私钥失败: accountId=${account.id}", e)
+            return null
+        }
+        val apiSecret = try {
+            account.apiSecret?.let { cryptoUtils.decrypt(it) } ?: ""
+        } catch (e: Exception) { "" }
+        val apiPassphrase = try {
+            account.apiPassphrase?.let { cryptoUtils.decrypt(it) } ?: ""
+        } catch (e: Exception) { "" }
+
+        val clobApi = retrofitFactory.createClobApi(account.apiKey!!, apiSecret, apiPassphrase, account.walletAddress)
+        val feeRateByTokenId = tokenIds.associate { tokenId ->
+            tokenId to (clobService.getFeeRate(tokenId).getOrNull()?.toString() ?: "0")
+        }
+        val signatureType = orderSigningService.getSignatureTypeForWalletType(account.walletType)
+
+        val preSignedOrderByOutcome: Map<Int, NewOrderRequest>? = when (strategy.amountMode.uppercase()) {
+            "RATIO" -> null
+            else -> {
+                val amountUsdc = strategy.amountValue
+                if (amountUsdc < BigDecimal("1")) return null
+                val price = BigDecimal(TRIGGER_FIXED_PRICE)
+                val size = computeSize(amountUsdc, price)
+                val orders = mutableMapOf<Int, NewOrderRequest>()
+                for (i in 0..1) {
+                    if (i >= tokenIds.size) break
+                    val tokenId = tokenIds[i]
+                    val feeRateBps = feeRateByTokenId[tokenId] ?: "0"
+                    try {
+                        val signedOrder = orderSigningService.createAndSignOrder(
+                            privateKey = decryptedKey,
+                            makerAddress = account.proxyAddress,
+                            tokenId = tokenId,
+                            side = "BUY",
+                            price = TRIGGER_FIXED_PRICE,
+                            size = size,
+                            signatureType = signatureType,
+                            nonce = "0",
+                            feeRateBps = feeRateBps,
+                            expiration = "0"
+                        )
+                        orders[i] = NewOrderRequest(
+                            order = signedOrder,
+                            owner = account.apiKey!!,
+                            orderType = "FAK",
+                            deferExec = false
+                        )
+                    } catch (e: Exception) {
+                        logger.warn("尾盘策略预签订单失败: strategyId=${strategy.id}, outcomeIndex=$i", e)
+                        return null
+                    }
+                }
+                orders.ifEmpty { null }
+            }
+        }
+
+        val ctx = PeriodContext(
+            strategy = strategy,
+            periodStartUnix = periodStartUnix,
+            account = account,
+            decryptedPrivateKey = decryptedKey,
+            apiSecretDecrypted = apiSecret,
+            apiPassphraseDecrypted = apiPassphrase,
+            clobApi = clobApi,
+            feeRateByTokenId = feeRateByTokenId,
+            signatureType = signatureType,
+            tokenIds = tokenIds,
+            marketTitle = marketTitle,
+            preSignedOrderByOutcome = preSignedOrderByOutcome
+        )
+        periodContextCache[key] = ctx
+        return ctx
+    }
+
+    /**
+     * 按投入金额和价格计算可买张数：size = ceil(amountUsdc/price)，保留小数，至少 1。
+     * 与 OrderSigningService 一致使用小数数量，向上取整保证不超过投入金额。
+     */
+    private fun computeSize(amountUsdc: BigDecimal, price: BigDecimal): String {
+        val size = amountUsdc.divide(price, SIZE_DECIMAL_SCALE, RoundingMode.UP).max(BigDecimal.ONE)
+        return size.toPlainString()
+    }
+
+    private fun getOrInvalidatePeriodContext(strategy: CryptoTailStrategy, periodStartUnix: Long): PeriodContext? {
+        val key = triggerLockKey(strategy.id!!, periodStartUnix)
+        val nowSeconds = System.currentTimeMillis() / 1000
+        val ctx = periodContextCache[key] ?: return null
+        if (periodStartUnix + strategy.intervalSeconds <= nowSeconds) {
+            periodContextCache.remove(key)
+            return null
+        }
+        return ctx
+    }
+
+    /**
+     * 由订单簿 WebSocket 触发：当收到某 token 的 bestBid 且满足区间时调用，若本周期未触发则下单。
+     */
+    suspend fun tryTriggerWithPriceFromWs(
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        marketTitle: String?,
+        tokenIds: List<String>,
+        outcomeIndex: Int,
+        bestBid: BigDecimal
+    ) {
+        if (outcomeIndex < 0 || outcomeIndex >= tokenIds.size) return
+        if (bestBid < strategy.minPrice || bestBid > strategy.maxPrice) return
+
+        val mutex = getTriggerMutex(strategy.id!!, periodStartUnix)
+        mutex.withLock {
+            if (triggerRepository.findByStrategyIdAndPeriodStartUnix(strategy.id!!, periodStartUnix) != null) return@withLock
+            ensurePeriodContext(strategy, periodStartUnix, tokenIds, marketTitle)
+            placeOrderForTrigger(strategy, periodStartUnix, marketTitle, tokenIds, outcomeIndex, bestBid)
+        }
+    }
+
+    private suspend fun placeOrderForTrigger(
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        marketTitle: String?,
+        tokenIds: List<String>,
+        outcomeIndex: Int,
+        triggerPrice: BigDecimal
+    ) {
+        val ctx = getOrInvalidatePeriodContext(strategy, periodStartUnix)
+
+        if (ctx != null) {
+            val amountUsdc = when (strategy.amountMode.uppercase()) {
+                "RATIO" -> {
+                    val balanceResult = accountService.getAccountBalance(ctx.account.id)
+                    val availableBalance = balanceResult.getOrNull()?.availableBalance?.toSafeBigDecimal() ?: BigDecimal.ZERO
+                    availableBalance.multiply(strategy.amountValue).divide(BigDecimal("100"), 18, RoundingMode.DOWN)
+                }
+                else -> strategy.amountValue
+            }
+            if (amountUsdc < BigDecimal("1")) {
+                saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", "投入金额不足")
+                return
+            }
+
+            val tokenId = tokenIds.getOrNull(outcomeIndex) ?: run {
+                saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", "tokenIds 越界")
+                return
+            }
+
+            when {
+                ctx.preSignedOrderByOutcome != null -> {
+                    val orderRequest = ctx.preSignedOrderByOutcome[outcomeIndex]
+                    if (orderRequest != null) {
+                        submitOrderAndSaveRecord(ctx.clobApi, strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, orderRequest)
+                        return
+                    }
+                }
+                strategy.amountMode.uppercase() == "RATIO" -> {
+                    val price = BigDecimal(TRIGGER_FIXED_PRICE)
+                    val size = computeSize(amountUsdc, price)
+                    val feeRateBps = ctx.feeRateByTokenId[tokenId] ?: "0"
+                    val signedOrder = orderSigningService.createAndSignOrder(
+                        privateKey = ctx.decryptedPrivateKey,
+                        makerAddress = ctx.account.proxyAddress,
+                        tokenId = tokenId,
+                        side = "BUY",
+                        price = TRIGGER_FIXED_PRICE,
+                        size = size,
+                        signatureType = ctx.signatureType,
+                        nonce = "0",
+                        feeRateBps = feeRateBps,
+                        expiration = "0"
+                    )
+                    val orderRequest = NewOrderRequest(
+                        order = signedOrder,
+                        owner = ctx.account.apiKey!!,
+                        orderType = "FAK",
+                        deferExec = false
+                    )
+                    submitOrderAndSaveRecord(ctx.clobApi, strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, orderRequest)
+                    return
+                }
+            }
+        }
+
+        placeOrderForTriggerSlowPath(strategy, periodStartUnix, marketTitle, tokenIds, outcomeIndex, triggerPrice)
+    }
+
+    private suspend fun submitOrderAndSaveRecord(
+        clobApi: PolymarketClobApi,
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        marketTitle: String?,
+        outcomeIndex: Int,
+        triggerPrice: BigDecimal,
+        amountUsdc: BigDecimal,
+        orderRequest: NewOrderRequest
+    ) {
+        var lastError: String? = null
+        for (attempt in 1..maxRetryAttempts) {
+            try {
+                val response = clobApi.createOrder(orderRequest)
+                if (response.isSuccessful && response.body() != null) {
+                    val body = response.body()!!
+                    if (body.success && body.orderId != null) {
+                        saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, body.orderId, "success", null)
+                        logger.info("尾盘策略下单成功: strategyId=${strategy.id}, periodStartUnix=$periodStartUnix, outcomeIndex=$outcomeIndex, orderId=${body.orderId}")
+                        return
+                    }
+                    lastError = body.errorMsg ?: "unknown"
+                } else {
+                    lastError = "HTTP ${response.code()} ${response.errorBody()?.string()?.take(200)}"
+                }
+            } catch (e: Exception) {
+                lastError = e.message ?: "exception"
+                logger.warn("尾盘策略下单异常 (attempt $attempt/$maxRetryAttempts): strategyId=${strategy.id}, error=$lastError")
+            }
+            if (attempt < maxRetryAttempts) delay(retryDelayMs)
+        }
+        saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", lastError)
+        logger.warn("尾盘策略下单失败(已重试${maxRetryAttempts}次): strategyId=${strategy.id}, periodStartUnix=$periodStartUnix, reason=$lastError")
+    }
+
+    /** 无预置上下文时的完整流程：固定价格 0.99，账户/解密/费率/签名在触发时执行 */
+    private suspend fun placeOrderForTriggerSlowPath(
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        marketTitle: String?,
+        tokenIds: List<String>,
+        outcomeIndex: Int,
+        triggerPrice: BigDecimal
+    ) {
+        val account = accountRepository.findById(strategy.accountId).orElse(null) ?: run {
+            logger.warn("账户不存在: accountId=${strategy.accountId}")
+            saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, BigDecimal.ZERO, null, "fail", "账户不存在")
+            return
+        }
+        if (account.apiKey == null || account.apiSecret == null || account.apiPassphrase == null) {
+            logger.warn("账户未配置 API 凭证: accountId=${account.id}")
+            saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, BigDecimal.ZERO, null, "fail", "账户未配置API凭证")
+            return
+        }
+
+        val balanceResult = accountService.getAccountBalance(account.id)
+        val availableBalance = balanceResult.getOrNull()?.availableBalance?.toSafeBigDecimal() ?: BigDecimal.ZERO
+        val amountUsdc = when (strategy.amountMode.uppercase()) {
+            "RATIO" -> availableBalance.multiply(strategy.amountValue).divide(BigDecimal("100"), 18, RoundingMode.DOWN)
+            else -> strategy.amountValue
+        }
+        if (amountUsdc < BigDecimal("1")) {
+            saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", "投入金额不足")
+            return
+        }
+
+        val tokenId = tokenIds.getOrNull(outcomeIndex) ?: run {
+            saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", "tokenIds 越界")
+            return
+        }
+        val price = BigDecimal(TRIGGER_FIXED_PRICE)
+        val size = computeSize(amountUsdc, price)
+
+        val decryptedKey = try {
+            cryptoUtils.decrypt(account.privateKey) ?: ""
+        } catch (e: Exception) {
+            logger.error("解密私钥失败: accountId=${account.id}", e)
+            saveTriggerRecord(strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, null, "fail", "解密私钥失败")
+            return
+        }
+        val apiSecret = try {
+            account.apiSecret?.let { cryptoUtils.decrypt(it) } ?: ""
+        } catch (e: Exception) { "" }
+        val apiPassphrase = try {
+            account.apiPassphrase?.let { cryptoUtils.decrypt(it) } ?: ""
+        } catch (e: Exception) { "" }
+        val clobApi = retrofitFactory.createClobApi(account.apiKey!!, apiSecret, apiPassphrase, account.walletAddress)
+        val feeRateBps = clobService.getFeeRate(tokenId).getOrNull()?.toString() ?: "0"
+        val signatureType = orderSigningService.getSignatureTypeForWalletType(account.walletType)
+
+        val signedOrder = orderSigningService.createAndSignOrder(
+            privateKey = decryptedKey,
+            makerAddress = account.proxyAddress,
+            tokenId = tokenId,
+            side = "BUY",
+            price = TRIGGER_FIXED_PRICE,
+            size = size,
+            signatureType = signatureType,
+            nonce = "0",
+            feeRateBps = feeRateBps,
+            expiration = "0"
+        )
+        val orderRequest = NewOrderRequest(
+            order = signedOrder,
+            owner = account.apiKey!!,
+            orderType = "FAK",
+            deferExec = false
+        )
+        submitOrderAndSaveRecord(clobApi, strategy, periodStartUnix, marketTitle, outcomeIndex, triggerPrice, amountUsdc, orderRequest)
+    }
+
+    private suspend fun fetchEventBySlug(slug: String): Result<GammaEventBySlugResponse> {
+        return try {
+            val gammaApi = retrofitFactory.createGammaApi()
+            val response = gammaApi.getEventBySlug(slug)
+            if (response.isSuccessful && response.body() != null) {
+                Result.success(response.body()!!)
+            } else {
+                val msg = if (response.code() == 404) "404" else "code=${response.code()}"
+                Result.failure(Exception(msg))
+            }
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    private fun parseClobTokenIds(clobTokenIds: String?): List<String> {
+        if (clobTokenIds.isNullOrBlank()) return emptyList()
+        val parsed = clobTokenIds.fromJson<List<String>>()
+        return parsed ?: emptyList()
+    }
+
+    private fun saveTriggerRecord(
+        strategy: CryptoTailStrategy,
+        periodStartUnix: Long,
+        marketTitle: String?,
+        outcomeIndex: Int,
+        triggerPrice: BigDecimal,
+        amountUsdc: BigDecimal,
+        orderId: String?,
+        status: String,
+        failReason: String?
+    ) {
+        val record = CryptoTailStrategyTrigger(
+            strategyId = strategy.id!!,
+            periodStartUnix = periodStartUnix,
+            marketTitle = marketTitle,
+            outcomeIndex = outcomeIndex,
+            triggerPrice = triggerPrice,
+            amountUsdc = amountUsdc,
+            orderId = orderId,
+            status = status,
+            failReason = failReason
+        )
+        triggerRepository.save(record)
+    }
+}
@@ -0,0 +1,222 @@
+package com.wrbug.polymarketbot.service.cryptotail
+
+import com.wrbug.polymarketbot.dto.*
+import com.wrbug.polymarketbot.entity.CryptoTailStrategy
+import com.wrbug.polymarketbot.entity.CryptoTailStrategyTrigger
+import com.wrbug.polymarketbot.enums.ErrorCode
+import com.wrbug.polymarketbot.repository.CryptoTailStrategyRepository
+import com.wrbug.polymarketbot.repository.CryptoTailStrategyTriggerRepository
+import com.wrbug.polymarketbot.event.CryptoTailStrategyChangedEvent
+import com.wrbug.polymarketbot.util.toSafeBigDecimal
+import org.slf4j.LoggerFactory
+import org.springframework.context.ApplicationEventPublisher
+import org.springframework.data.domain.PageRequest
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import java.math.BigDecimal
+
+@Service
+class CryptoTailStrategyService(
+    private val strategyRepository: CryptoTailStrategyRepository,
+    private val triggerRepository: CryptoTailStrategyTriggerRepository,
+    private val eventPublisher: ApplicationEventPublisher
+) {
+
+    private val logger = LoggerFactory.getLogger(CryptoTailStrategyService::class.java)
+
+    private val maxWindowByInterval = mapOf(300 to 300, 900 to 900)
+
+    @Transactional
+    fun create(request: CryptoTailStrategyCreateRequest): Result<CryptoTailStrategyDto> {
+        return try {
+            if (request.accountId <= 0) {
+                return Result.failure(IllegalArgumentException(ErrorCode.PARAM_ACCOUNT_ID_INVALID.messageKey))
+            }
+            if (request.marketSlugPrefix.isBlank()) {
+                return Result.failure(IllegalArgumentException(ErrorCode.PARAM_ERROR.messageKey))
+            }
+            val interval = request.intervalSeconds
+            if (interval != 300 && interval != 900) {
+                return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_INTERVAL_INVALID.messageKey))
+            }
+            val maxWindow = maxWindowByInterval[interval] ?: 300
+            if (request.windowStartSeconds > request.windowEndSeconds) {
+                return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID.messageKey))
+            }
+            if (request.windowEndSeconds > maxWindow) {
+                return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED.messageKey))
+            }
+            val amountMode = request.amountMode.uppercase()
+            if (amountMode != "RATIO" && amountMode != "FIXED") {
+                return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID.messageKey))
+            }
+            val minPrice = request.minPrice.toSafeBigDecimal()
+            val maxPrice = (request.maxPrice ?: "1").toSafeBigDecimal()
+            if (minPrice > maxPrice) {
+                return Result.failure(IllegalArgumentException(ErrorCode.PARAM_ERROR.messageKey))
+            }
+            val amountValue = request.amountValue.toSafeBigDecimal()
+            if (amountValue <= BigDecimal.ZERO) {
+                return Result.failure(IllegalArgumentException(ErrorCode.PARAM_ERROR.messageKey))
+            }
+
+            val entity = CryptoTailStrategy(
+                accountId = request.accountId,
+                name = request.name?.takeIf { it.isNotBlank() },
+                marketSlugPrefix = request.marketSlugPrefix.trim(),
+                intervalSeconds = interval,
+                windowStartSeconds = request.windowStartSeconds,
+                windowEndSeconds = request.windowEndSeconds,
+                minPrice = minPrice,
+                maxPrice = maxPrice,
+                amountMode = amountMode,
+                amountValue = amountValue,
+                enabled = request.enabled
+            )
+            val saved = strategyRepository.save(entity)
+            eventPublisher.publishEvent(CryptoTailStrategyChangedEvent(this))
+            Result.success(entityToDto(saved, null))
+        } catch (e: IllegalArgumentException) {
+            Result.failure(e)
+        } catch (e: Exception) {
+            logger.error("创建尾盘策略失败: ${e.message}", e)
+            Result.failure(e)
+        }
+    }
+
+    @Transactional
+    fun update(request: CryptoTailStrategyUpdateRequest): Result<CryptoTailStrategyDto> {
+        return try {
+            val existing = strategyRepository.findById(request.strategyId).orElse(null)
+                ?: return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND.messageKey))
+            val interval = existing.intervalSeconds
+            val maxWindow = maxWindowByInterval[interval] ?: 300
+
+            request.windowStartSeconds?.let { ws ->
+                request.windowEndSeconds?.let { we ->
+                    if (ws > we) return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID.messageKey))
+                    if (we > maxWindow) return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED.messageKey))
+                }
+            }
+            request.windowStartSeconds?.let { if (it > (request.windowEndSeconds ?: existing.windowEndSeconds)) return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_INVALID.messageKey)) }
+            request.windowEndSeconds?.let { if (it > maxWindow) return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_WINDOW_EXCEED.messageKey)) }
+
+            val updated = existing.copy(
+                name = request.name?.takeIf { it.isNotBlank() } ?: existing.name,
+                windowStartSeconds = request.windowStartSeconds ?: existing.windowStartSeconds,
+                windowEndSeconds = request.windowEndSeconds ?: existing.windowEndSeconds,
+                minPrice = request.minPrice?.toSafeBigDecimal() ?: existing.minPrice,
+                maxPrice = request.maxPrice?.toSafeBigDecimal() ?: existing.maxPrice,
+                amountMode = request.amountMode?.uppercase() ?: existing.amountMode,
+                amountValue = request.amountValue?.toSafeBigDecimal() ?: existing.amountValue,
+                enabled = request.enabled ?: existing.enabled,
+                updatedAt = System.currentTimeMillis()
+            )
+            if (updated.minPrice > updated.maxPrice) {
+                return Result.failure(IllegalArgumentException(ErrorCode.PARAM_ERROR.messageKey))
+            }
+            request.amountMode?.uppercase()?.let { if (it != "RATIO" && it != "FIXED") return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_AMOUNT_MODE_INVALID.messageKey)) }
+            val saved = strategyRepository.save(updated)
+            eventPublisher.publishEvent(CryptoTailStrategyChangedEvent(this))
+            val lastTrigger = triggerRepository.findAllByStrategyIdOrderByCreatedAtDesc(saved.id!!, PageRequest.of(0, 1))
+                .content.firstOrNull()?.createdAt
+            Result.success(entityToDto(saved, lastTrigger))
+        } catch (e: IllegalArgumentException) {
+            Result.failure(e)
+        } catch (e: Exception) {
+            logger.error("更新尾盘策略失败: ${e.message}", e)
+            Result.failure(e)
+        }
+    }
+
+    @Transactional
+    fun delete(strategyId: Long): Result<Unit> {
+        return try {
+            if (!strategyRepository.existsById(strategyId)) {
+                return Result.failure(IllegalArgumentException(ErrorCode.CRYPTO_TAIL_STRATEGY_NOT_FOUND.messageKey))
+            }
+            strategyRepository.deleteById(strategyId)
+            Result.success(Unit)
+        } catch (e: Exception) {
+            logger.error("删除尾盘策略失败: ${e.message}", e)
+            Result.failure(e)
+        }
+    }
+
+    fun list(request: CryptoTailStrategyListRequest): Result<CryptoTailStrategyListResponse> {
+        return try {
+            val list = when {
+                request.accountId != null && request.enabled != null -> strategyRepository.findByAccountIdAndEnabled(request.accountId, request.enabled)
+                request.accountId != null -> strategyRepository.findAllByAccountId(request.accountId)
+                request.enabled == true -> strategyRepository.findAllByEnabledTrue()
+                request.enabled == false -> strategyRepository.findAll().filter { !it.enabled }
+                else -> strategyRepository.findAll()
+            }
+            val lastTriggerMap = list.map { it.id!! }.associateWith { id ->
+                triggerRepository.findAllByStrategyIdOrderByCreatedAtDesc(id, PageRequest.of(0, 1))
+                    .content.firstOrNull()?.createdAt
+            }
+            val dtos = list.map { entityToDto(it, lastTriggerMap[it.id]) }
+            Result.success(CryptoTailStrategyListResponse(list = dtos))
+        } catch (e: Exception) {
+            logger.error("查询尾盘策略列表失败: ${e.message}", e)
+            Result.failure(e)
+        }
+    }
+
+    fun getTriggerRecords(request: CryptoTailStrategyTriggerListRequest): Result<CryptoTailStrategyTriggerListResponse> {
+        return try {
+            val page = PageRequest.of((request.page - 1).coerceAtLeast(0), request.pageSize.coerceIn(1, 100))
+            val pageResult = if (request.status != null && request.status.isNotBlank()) {
+                triggerRepository.findAllByStrategyIdAndStatusOrderByCreatedAtDesc(request.strategyId, request.status, page)
+            } else {
+                triggerRepository.findAllByStrategyIdOrderByCreatedAtDesc(request.strategyId, page)
+            }
+            val list = pageResult.content.map { triggerToDto(it) }
+            val total = if (request.status != null && request.status.isNotBlank()) {
+                triggerRepository.countByStrategyIdAndStatus(request.strategyId, request.status)
+            } else {
+                pageResult.totalElements
+            }
+            Result.success(CryptoTailStrategyTriggerListResponse(list = list, total = total))
+        } catch (e: Exception) {
+            logger.error("查询触发记录失败: ${e.message}", e)
+            Result.failure(e)
+        }
+    }
+
+    fun getStrategy(strategyId: Long): CryptoTailStrategy? = strategyRepository.findById(strategyId).orElse(null)
+
+    private fun entityToDto(e: CryptoTailStrategy, lastTriggerAt: Long?): CryptoTailStrategyDto = CryptoTailStrategyDto(
+        id = e.id ?: 0L,
+        accountId = e.accountId,
+        name = e.name,
+        marketSlugPrefix = e.marketSlugPrefix,
+        marketTitle = null,
+        intervalSeconds = e.intervalSeconds,
+        windowStartSeconds = e.windowStartSeconds,
+        windowEndSeconds = e.windowEndSeconds,
+        minPrice = e.minPrice.toPlainString(),
+        maxPrice = e.maxPrice.toPlainString(),
+        amountMode = e.amountMode,
+        amountValue = e.amountValue.toPlainString(),
+        enabled = e.enabled,
+        lastTriggerAt = lastTriggerAt,
+        createdAt = e.createdAt,
+        updatedAt = e.updatedAt
+    )
+
+    private fun triggerToDto(t: CryptoTailStrategyTrigger): CryptoTailStrategyTriggerDto = CryptoTailStrategyTriggerDto(
+        id = t.id ?: 0L,
+        strategyId = t.strategyId,
+        periodStartUnix = t.periodStartUnix,
+        marketTitle = t.marketTitle,
+        outcomeIndex = t.outcomeIndex,
+        triggerPrice = t.triggerPrice.toPlainString(),
+        amountUsdc = t.amountUsdc.toPlainString(),
+        orderId = t.orderId,
+        status = t.status,
+        failReason = t.failReason,
+        createdAt = t.createdAt
+    )
+}