feat: add orderbook shadow training pipeline

android/TradeBotMonitor/app/build.gradle.kts

@@ -10,8 +10,8 @@ android {
         applicationId = "xyz.kusoft.tradebotmonitor"
         minSdk = 26
         targetSdk = 37
-        versionCode = 23
-        versionName = "0.5.1"
+        versionCode = 24
+        versionName = "0.5.2"
     }
 }
 

android/TradeBotMonitor/app/src/main/java/xyz/kusoft/tradebotmonitor/MainActivity.kt

@@ -1104,6 +1104,8 @@ class MainActivity : Activity() {
             addView(trainingComputerPanel(retrain).top(dp(12)))
             addView(thinDivider().top(dp(12)))
             addView(trainingProcessPanel(coordination))
+            addView(orderbookStagePanel(coordination).top(dp(10)))
+            addView(shadowStagePanel(retrain.optJSONObject("shadow") ?: JSONObject()).top(dp(10)))
             if (displayedEvaluation.optJSONObject("candidate") != null) {
                 addView(guardSummaryPanel(displayedEvaluation).top(dp(10)))
             }
@@ -1155,6 +1157,36 @@ class MainActivity : Activity() {
         }
     }
 
+    private fun orderbookStagePanel(coordination: JSONObject): View =
+        LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            val summary = coordination.optJSONObject("latest_job")?.optJSONObject("summary") ?: JSONObject()
+            val state = summary.optStringClean("state")
+            val minimum = summary.optInt("minimum_covered_buckets", 240)
+            val eligible = summary.optInt("eligible_symbol_count", 0)
+            val requiredSymbols = summary.optInt("minimum_symbols", 2)
+            val coverage = summary.optJSONObject("covered_buckets_by_symbol") ?: JSONObject()
+            val bestCoverage = coverage.keys().asSequence().map { coverage.optInt(it, 0) }.maxOrNull() ?: 0
+            addView(keyValueLine("Forward-стакан", if (state == "ready") "готов к обучению" else "накапливается", if (state == "ready") palette.green else palette.amber))
+            addView(keyValueLine("Лучшее покрытие", "$bestCoverage / $minimum свечей").top(dp(4)))
+            addView(keyValueLine("Готовые пары", "$eligible / $requiredSymbols").top(dp(4)))
+        }
+
+    private fun shadowStagePanel(shadow: JSONObject): View =
+        LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            val state = shadow.optStringClean("state").ifBlank { "нет модели" }
+            val color = when (state) {
+                "passed" -> palette.green
+                "failed" -> palette.red
+                else -> palette.amber
+            }
+            addView(keyValueLine("Shadow gate", state, color))
+            addView(keyValueLine("Forward-прогнозы", "${shadow.optInt("settled_predictions", 0)} / ${shadow.optInt("total_predictions", 0)}").top(dp(4)))
+            addView(keyValueLine("Shadow P&L", signedPercent(shadow.optDouble("total_net_percent", 0.0)), colorForSigned(shadow.optDouble("total_net_percent", 0.0))).top(dp(4)))
+            addView(keyValueLine("Direction / Brier", "${percent(shadow.optDouble("direction_accuracy", 0.0) * 100.0, 1)} / ${number(shadow.optDouble("brier", 0.0), 4)}").top(dp(4)))
+        }
+
     private fun guardSummaryPanel(retrain: JSONObject): View =
         LinearLayout(this).apply {
             val accepted = retrain.optBoolean("accepted", false)