data fixes, partial custom indicator support

web/src/stores/indicators.ts

@@ -1,6 +1,63 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
 
+export interface CustomIndicatorParam {
+  type: 'int' | 'float' | 'bool' | 'string'
+  default: any
+  description?: string
+  min?: number
+  max?: number
+}
+
+/**
+ * Per-series plot configuration.
+ * style maps to LineStudyPlotStyle: 0=Line, 1=Histogram, 3=Dots/Cross,
+ * 4=Area, 5=Columns, 6=Circles, 9=StepLine.
+ */
+export interface PlotConfig {
+  style: number
+  color?: string
+  linewidth?: number
+  visible?: boolean
+}
+
+/** Shaded region between two plots ("plot_plot") or two bands ("hline_hline"). */
+export interface FilledAreaConfig {
+  id: string
+  type: 'plot_plot' | 'hline_hline'
+  series1: string
+  series2: string
+  color?: string
+  opacity?: number
+}
+
+/** Horizontal reference line (e.g. RSI ob/os). linestyle: 0=solid, 1=dotted, 2=dashed. */
+export interface BandConfig {
+  id: string
+  value: number
+  color?: string
+  linewidth?: number
+  linestyle?: number
+  visible?: boolean
+}
+
+export interface CustomIndicatorColumn {
+  name: string
+  display_name?: string
+  description?: string
+  plot?: PlotConfig
+}
+
+export interface CustomIndicatorMetadata {
+  display_name: string
+  parameters: Record<string, CustomIndicatorParam>
+  input_series: string[]
+  output_columns: CustomIndicatorColumn[]
+  pane: 'price' | 'separate'
+  filled_areas?: FilledAreaConfig[]
+  bands?: BandConfig[]
+}
+
 export interface IndicatorInstance {
   id: string
   pandas_ta_name: string
@@ -15,6 +72,8 @@ export interface IndicatorInstance {
   created_at?: number
   modified_at?: number
   original_id?: string
+  /** Populated for custom_ indicators; drives TV custom study auto-construction. */
+  custom_metadata?: CustomIndicatorMetadata
 }
 
 export const useIndicatorStore = defineStore('indicators', () => {