Add raster tile detection handoff

frontend/src/App.tsx

@@ -79,6 +79,7 @@ function App(): JSX.Element {
     datasetContent,
     jobs,
     rasterPreview,
+    latestRasterTileManifestPath,
     selectedIntersectTargetId,
     selectedClipAreaId,
     rasterTileSize,
@@ -254,6 +255,15 @@ function App(): JSX.Element {
     loadProjectData,
     loadQualityChecks,
   })
+  const useRasterTileManifestForDetection = () => {
+    const manifestPath = latestRasterTileManifestPath.trim()
+    if (!manifestPath || !selectedDataset || selectedDataset.dataset_type !== 'raster') {
+      return
+    }
+    setDetectionTileManifestPath(manifestPath)
+    setSelectedDetectionDatasetId(selectedDataset.id)
+    setActiveWorkspace('ai')
+  }
   const {
     segmentationModels,
     loadingSegmentationModels,
@@ -949,6 +959,7 @@ function App(): JSX.Element {
               selectedRasterMetadata,
               selectedRasterStats,
               rasterPreview,
+              latestRasterTileManifestPath,
               rasterUnavailableMessage,
               selectedClipAreaId,
               selectedIntersectTargetId,
@@ -987,6 +998,7 @@ function App(): JSX.Element {
               onRunRasterReproject: runRasterReproject,
               onRunRasterClip: runRasterClip,
               onRunRasterTile: runRasterTile,
+              onUseTileManifestForDetection: useRasterTileManifestForDetection,
               onRunRasterNdvi: runRasterNdvi,
               onRunRasterNdwi: runRasterNdwi,
               onRunRasterNdbi: runRasterNdbi,

frontend/src/components/datasets/DatasetDetailPanel.tsx

@@ -19,6 +19,7 @@ export interface DatasetDetailPanelProps {
   selectedRasterMetadata: RasterMetadataResponse | null
   selectedRasterStats: RasterStatsResponse | null
   rasterPreview: RasterPreviewResponse | null
+  latestRasterTileManifestPath: string
   rasterUnavailableMessage: string | null
   selectedClipAreaId: string
   selectedIntersectTargetId: string
@@ -57,6 +58,7 @@ export interface DatasetDetailPanelProps {
   onRunRasterReproject: () => void
   onRunRasterClip: () => void
   onRunRasterTile: () => void
+  onUseTileManifestForDetection: () => void
   onRunRasterNdvi: () => void
   onRunRasterNdwi: () => void
   onRunRasterNdbi: () => void
@@ -100,6 +102,7 @@ export function DatasetDetailPanel({
   selectedRasterMetadata,
   selectedRasterStats,
   rasterPreview,
+  latestRasterTileManifestPath,
   rasterUnavailableMessage,
   selectedClipAreaId,
   selectedIntersectTargetId,
@@ -138,6 +141,7 @@ export function DatasetDetailPanel({
   onRunRasterReproject,
   onRunRasterClip,
   onRunRasterTile,
+  onUseTileManifestForDetection,
   onRunRasterNdvi,
   onRunRasterNdwi,
   onRunRasterNdbi,
@@ -171,6 +175,7 @@ export function DatasetDetailPanel({
               selectedRasterMetadata={selectedRasterMetadata}
               selectedRasterStats={selectedRasterStats}
               rasterPreview={rasterPreview}
+              latestRasterTileManifestPath={latestRasterTileManifestPath}
               rasterUnavailableMessage={rasterUnavailableMessage}
               selectedClipAreaId={selectedClipAreaId}
               rasterTileSize={rasterTileSize}
@@ -203,6 +208,7 @@ export function DatasetDetailPanel({
               onRunRasterReproject={onRunRasterReproject}
               onRunRasterClip={onRunRasterClip}
               onRunRasterTile={onRunRasterTile}
+              onUseTileManifestForDetection={onUseTileManifestForDetection}
               onRunRasterNdvi={onRunRasterNdvi}
               onRunRasterNdwi={onRunRasterNdwi}
               onRunRasterNdbi={onRunRasterNdbi}

frontend/src/components/datasets/RasterControls.tsx

@@ -6,6 +6,7 @@ interface RasterControlsProps {
   selectedRasterMetadata: RasterMetadataResponse | null
   selectedRasterStats: RasterStatsResponse | null
   rasterPreview: RasterPreviewResponse | null
+  latestRasterTileManifestPath: string
   rasterUnavailableMessage: string | null
   selectedClipAreaId: string
   rasterTileSize: number
@@ -38,6 +39,7 @@ interface RasterControlsProps {
   onRunRasterReproject: () => void
   onRunRasterClip: () => void
   onRunRasterTile: () => void
+  onUseTileManifestForDetection: () => void
   onRunRasterNdvi: () => void
   onRunRasterNdwi: () => void
   onRunRasterNdbi: () => void
@@ -57,6 +59,7 @@ export function RasterControls({
   selectedRasterMetadata,
   selectedRasterStats,
   rasterPreview,
+  latestRasterTileManifestPath,
   rasterUnavailableMessage,
   selectedClipAreaId,
   rasterTileSize,
@@ -89,6 +92,7 @@ export function RasterControls({
   onRunRasterReproject,
   onRunRasterClip,
   onRunRasterTile,
+  onUseTileManifestForDetection,
   onRunRasterNdvi,
   onRunRasterNdwi,
   onRunRasterNdbi,
@@ -156,11 +160,14 @@ export function RasterControls({
           ))}
         </div>
         <div className="raster-manifest-handoff">
-          <span>Tile manifest handoff</span>
+          <span>Latest tile manifest</span>
           <p>
-            Generated tile manifests remain backend artifacts and are referenced by path in detection/segmentation requests; this panel only prepares
-            and explains the handoff.
+            {latestRasterTileManifestPath ||
+              'No tile manifest generated yet. Generate tiles before handing this raster to Detection Lab.'}
           </p>
+          <button type="button" onClick={onUseTileManifestForDetection} disabled={!latestRasterTileManifestPath}>
+            Use in Detection Lab
+          </button>
         </div>
       </section>
       <section className="raster-guardrail-surface" aria-label="Processing guardrails">

frontend/src/hooks/useDatasetWorkflow.ts

@@ -27,6 +27,15 @@ function toRasterMetadata(metadata: Record<string, unknown> | null | undefined):
   return metadata as unknown as RasterMetadataResponse
 }
 
+function extractRasterTileManifestPath(job: JobRead | null | undefined): string {
+  const result = job?.result_json
+  if (!result) {
+    return ''
+  }
+  const manifestPath = result.manifest_path
+  return typeof manifestPath === 'string' ? manifestPath : ''
+}
+
 export function useDatasetWorkflow({
   selectedProjectId,
   areas,
@@ -43,6 +52,7 @@ export function useDatasetWorkflow({
   const [datasetContent, setDatasetContent] = useState<GeoJSON.FeatureCollection | null>(null)
   const [jobs, setJobs] = useState<JobRead[]>([])
   const [rasterPreview, setRasterPreview] = useState<RasterPreviewResponse | null>(null)
+  const [latestRasterTileManifestPath, setLatestRasterTileManifestPath] = useState('')
   const [selectedIntersectTargetId, setSelectedIntersectTargetId] = useState('')
   const [selectedClipAreaId, setSelectedClipAreaId] = useState('')
   const [rasterTileSize, setRasterTileSize] = useState(512)
@@ -100,6 +110,10 @@ export function useDatasetWorkflow({
   const loadDatasetJobs = async (projectId: string, datasetId: string) => {
     const response = await jobsApi.list(projectId, { dataset_id: datasetId, limit: 20, offset: 0 })
     setJobs(response.items)
+    const latestRasterTileJob = response.items.find(
+      (job) => job.job_type === 'raster.tile' && extractRasterTileManifestPath(job),
+    )
+    setLatestRasterTileManifestPath(extractRasterTileManifestPath(latestRasterTileJob))
   }
 
   const loadDatasetDetails = async (projectId: string, dataset: DatasetCreateResponse) => {
@@ -111,6 +125,7 @@ export function useDatasetWorkflow({
     setSelectedRasterStats(null)
     setDatasetContent(null)
     setRasterPreview(null)
+    setLatestRasterTileManifestPath('')
     setSelectedDatasetId(dataset.id)
     setJobs([])
     try {
@@ -352,12 +367,17 @@ export function useDatasetWorkflow({
       return
     }
     try {
-      await datasetsApi.rasterTile(selectedProjectId, selectedDatasetId, {
+      const job = await datasetsApi.rasterTile(selectedProjectId, selectedDatasetId, {
         tile_size: rasterTileSize,
         overlap: rasterTileOverlap,
         output_name: rasterTileOutputName || undefined,
       })
+      const manifestPath = extractRasterTileManifestPath(job)
+      setLatestRasterTileManifestPath(manifestPath)
       await refreshSelectedDatasetAfterJob()
+      if (manifestPath) {
+        setLatestRasterTileManifestPath(manifestPath)
+      }
       setDatasetDetailError(null)
     } catch (error) {
       setDatasetDetailError(formatError(error, 'Raster tile failed'))
@@ -444,6 +464,7 @@ export function useDatasetWorkflow({
     setSelectedRasterStats(null)
     setDatasetContent(null)
     setRasterPreview(null)
+    setLatestRasterTileManifestPath('')
     setJobs([])
   }
 
@@ -456,6 +477,7 @@ export function useDatasetWorkflow({
     datasetContent,
     jobs,
     rasterPreview,
+    latestRasterTileManifestPath,
     selectedIntersectTargetId,
     selectedClipAreaId,
     rasterTileSize,