feat(steady): 完善稳态数据视图功能

- 更新纵坐标刻度算法，优化小数趋势图范围显示
- 添加稳态趋势图全屏模式和共享工具组件
- 实现多图联动的鼠标悬停竖线同步功能
- 调整主线线宽分档策略，降低最大线宽限制
- 重构稳态趋势工具栏，优化谐波次数选择逻辑
- 添加周时间周期搜索支持和自定义时间范围选择
- 完善稳态数据表格和指示器浮动面板功能
- 优化稳态趋势图性能，添加LTB采样和动画控制
- 修复数据表格打开前的趋势数据验证问题
- 统一时间轴标签格式化和网格对齐处理

frontend/src/api/steady/steadyDataView/index.ts

@@ -16,3 +16,9 @@ export const querySteadyTrend = (params: SteadyDataView.SteadyTrendQueryParams)
 export const querySteadyTrendDay = (params: SteadyDataView.SteadyTrendQueryParams) => {
     return http.post<SteadyDataView.SteadyTrendQueryResult>('/steady/data-view/trend/day', params, { loading: false })
 }
+
+export const querySteadyChecksquare = (params: SteadyDataView.SteadyChecksquareQueryParams) => {
+    return http.post<SteadyDataView.SteadyChecksquareQueryResult>('/steady/data-view/checksquare/query', params, {
+        loading: false
+    })
+}

frontend/src/api/steady/steadyDataView/interface/index.ts

@@ -59,6 +59,7 @@ export namespace SteadyDataView {
         indicatorName?: string
         seriesName?: string
         phase?: string
+        harmonicOrder?: number
         statType?: SteadyTrendStatType
         unit?: string
         points: SteadyTrendPoint[]
@@ -70,7 +71,69 @@ export namespace SteadyDataView {
         sourcePointCount?: number
         displayPointCount?: number
         loadableDays?: string[]
+        queryTimeStart?: string
+        queryTimeEnd?: string
+        queryCompleted?: boolean
         series: SteadyTrendSeries[]
     }
 
+    export interface SteadyChecksquareQueryParams {
+        lineId: string
+        indicatorCodes: string[]
+        timeStart: string
+        timeEnd: string
+        harmonicOrders?: number[]
+    }
+
+    export interface SteadyChecksquareSegment {
+        startTime: string
+        endTime: string
+        status: 'NORMAL' | 'MISSING' | string
+        missingPointCount?: number
+        durationMinutes?: number
+    }
+
+    export interface SteadyChecksquareStatSummary {
+        statType: SteadyTrendStatType
+        supported: boolean
+        hasData?: boolean
+        expectedPointCount?: number
+        actualPointCount?: number
+        missingPointCount?: number
+        missingRate?: number | null
+        missingRateText?: string | null
+        maxContinuousMissingMinutes?: number
+    }
+
+    export interface SteadyChecksquareStatDetail {
+        statType: SteadyTrendStatType
+        supported: boolean
+        segments: SteadyChecksquareSegment[]
+    }
+
+    export interface SteadyChecksquareItem {
+        itemKey: string
+        indicatorCode: string
+        indicatorName?: string
+        harmonicOrder?: number | null
+        hasData?: boolean
+        expectedPointCount?: number
+        actualPointCount?: number
+        missingPointCount?: number
+        missingRate?: number | null
+        missingRateText?: string | null
+        maxContinuousMissingMinutes?: number
+        statSummaries: SteadyChecksquareStatSummary[]
+        statDetails: SteadyChecksquareStatDetail[]
+        children?: SteadyChecksquareItem[]
+    }
+
+    export interface SteadyChecksquareQueryResult {
+        lineId: string
+        lineName?: string
+        timeStart: string
+        timeEnd: string
+        intervalMinutes?: number
+        items: SteadyChecksquareItem[]
+    }
 }

frontend/src/api/steady/steadyTrend/index.ts

@@ -0,0 +1,18 @@
+import http from '@/api'
+import type { SteadyTrend } from './interface'
+
+export const getSteadyTrendLedgerTree = (params?: { keyword?: string }) => {
+    return http.get<SteadyTrend.SteadyLedgerNode[]>('/steady/data-view/ledger-tree', params, { loading: false })
+}
+
+export const getSteadyTrendIndicatorTree = () => {
+    return http.get<SteadyTrend.SteadyIndicatorNode[]>('/steady/data-view/indicator-tree', {}, { loading: false })
+}
+
+export const querySteadyTrend = (params: SteadyTrend.SteadyTrendQueryParams) => {
+    return http.post<SteadyTrend.SteadyTrendQueryResult>('/steady/data-view/trend/query', params, { loading: false })
+}
+
+export const querySteadyTrendDay = (params: SteadyTrend.SteadyTrendQueryParams) => {
+    return http.post<SteadyTrend.SteadyTrendQueryResult>('/steady/data-view/trend/day', params, { loading: false })
+}

frontend/src/api/steady/steadyTrend/interface/index.ts

@@ -0,0 +1,77 @@
+export namespace SteadyTrend {
+    export interface SteadyLedgerNode {
+        id: string
+        parentId?: string
+        name: string
+        level: 0 | 1 | 2 | 3
+        sort?: number
+        deviceCount?: number
+        lineCount?: number
+        selectable?: boolean
+        children?: SteadyLedgerNode[]
+    }
+
+    export interface SteadyIndicatorSeriesField {
+        field: string
+        name: string
+    }
+
+    export interface SteadyIndicatorNode {
+        id?: string
+        treeKey?: string
+        indicatorCode?: string
+        name: string
+        groupCode?: string
+        tableName?: string
+        baseFields?: string[]
+        phaseCodes?: string[]
+        seriesFields?: SteadyIndicatorSeriesField[]
+        supportStats?: SteadyTrendStatType[]
+        harmonic?: boolean
+        harmonicOrderStart?: number | null
+        harmonicOrderEnd?: number | null
+        unit?: string
+        children?: SteadyIndicatorNode[]
+    }
+
+    export type SteadyTrendStatType = 'AVG' | 'MAX' | 'MIN' | 'CP95'
+
+    export interface SteadyTrendQueryParams {
+        lineIds: string[]
+        indicatorCodes: string[]
+        statTypes: SteadyTrendStatType[]
+        timeStart: string
+        timeEnd: string
+        qualityFlag?: number
+        harmonicOrders?: number[]
+    }
+
+    export interface SteadyTrendPoint {
+        time: string
+        value: number | null
+    }
+
+    export interface SteadyTrendSeries {
+        seriesKey: string
+        lineId: string
+        lineName?: string
+        indicatorCode: string
+        indicatorName?: string
+        seriesName?: string
+        phase?: string
+        harmonicOrder?: number
+        statType?: SteadyTrendStatType
+        unit?: string
+        points: SteadyTrendPoint[]
+    }
+
+    export interface SteadyTrendQueryResult {
+        sampled?: boolean
+        bucket?: string
+        sourcePointCount?: number
+        displayPointCount?: number
+        loadableDays?: string[]
+        series: SteadyTrendSeries[]
+    }
+
+}