feat: simplify regional end user workbench

frontend/src/hooks/useDetectionWorkflow.ts

@@ -1,4 +1,4 @@
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import { detectionApi } from '../services/api'
 import type {
   DatasetCreateResponse,
@@ -72,10 +72,10 @@ export function useDetectionWorkflow({
   const [detectionModelError, setDetectionModelError] = useState<string | null>(null)
   const [modelAssetError, setModelAssetError] = useState<string | null>(null)
   const [selectedDetectionDatasetId, setSelectedDetectionDatasetId] = useState('')
-  const [selectedDetectionModelId, setSelectedDetectionModelId] = useState('yolo-placeholder')
+  const [selectedDetectionModelId, setSelectedDetectionModelId] = useState('yolo-configured')
   const [selectedModelAssetId, setSelectedModelAssetId] = useState('')
   const [detectionTileManifestPath, setDetectionTileManifestPath] = useState('')
-  const [detectionConfidenceThreshold, setDetectionConfidenceThreshold] = useState(0.5)
+  const [detectionConfidenceThreshold, setDetectionConfidenceThreshold] = useState(0.15)
   const [runningDetection, setRunningDetection] = useState(false)
   const [detectionRunResult, setDetectionRunResult] = useState<DetectionRunResponse | null>(null)
   const [detectionRunError, setDetectionRunError] = useState<string | null>(null)
@@ -98,6 +98,12 @@ export function useDetectionWorkflow({
   const [detectionCalibrationRows, setDetectionCalibrationRows] = useState<DetectionCalibrationRunRow[]>([])
   const [detectionCalibrationError, setDetectionCalibrationError] = useState<string | null>(null)
 
+  useEffect(() => {
+    if (!selectedDetectionDatasetId && rasterDatasets.length > 0) {
+      setSelectedDetectionDatasetId(rasterDatasets[0].id)
+    }
+  }, [rasterDatasets, selectedDetectionDatasetId])
+
   const loadDetectionModels = async () => {
     setLoadingDetectionModels(true)
     setDetectionModelError(null)
@@ -105,8 +111,12 @@ export function useDetectionWorkflow({
     try {
       const response = await detectionApi.listModels()
       setDetectionModels(response.models)
-      if (!response.models.some((model) => model.model_id === selectedDetectionModelId) && response.models.length > 0) {
-        setSelectedDetectionModelId(response.models[0].model_id)
+      const selectedModelStillAvailable = response.models.some((model) => model.model_id === selectedDetectionModelId)
+      if (!selectedModelStillAvailable && response.models.length > 0) {
+        const configuredModel = response.models.find(
+          (model) => model.configured && model.model_id !== 'manual-fixture-detector',
+        )
+        setSelectedDetectionModelId(configuredModel?.model_id ?? response.models[0].model_id)
       }
     } catch (error) {
       setDetectionModelError(formatError(error, 'Failed to load detection models'))
@@ -114,8 +124,16 @@ export function useDetectionWorkflow({
     try {
       const assetResponse = await detectionApi.listModelAssets()
       setModelAssets(assetResponse.items)
-      if (!assetResponse.items.some((asset) => asset.model_asset_id === selectedModelAssetId)) {
-        setSelectedModelAssetId('')
+      const activeAsset = assetResponse.items.find((asset) => asset.active) ?? null
+      const selectedAssetStillAvailable = assetResponse.items.some((asset) => asset.model_asset_id === selectedModelAssetId)
+      const nextAssetId = selectedAssetStillAvailable ? selectedModelAssetId : activeAsset?.model_asset_id ?? ''
+      setSelectedModelAssetId(nextAssetId)
+      try {
+        const preflight = await detectionApi.getYoloPreflight({ model_asset_id: nextAssetId || null })
+        setYoloPreflight(preflight)
+        setYoloPreflightError(null)
+      } catch (error) {
+        setYoloPreflightError(formatError(error, 'Failed to load YOLO preflight status'))
       }
     } catch (error) {
       setModelAssets([])