fix: Fix processing for vector attributres table

internal/app/app.go

@@ -178,11 +178,12 @@ func (a *App) ReprocessDataset(ctx context.Context, id uuid.UUID) (domain.Datase
 	return a.datasets.Reprocess(ctx, id)
 }
 
-// ReprocessAllDatasets re-enqueues the processing job for every dataset,
-// restarting each one's asynchronous pipeline. It returns how many jobs were
-// enqueued and a per-dataset map of any failures.
-func (a *App) ReprocessAllDatasets(ctx context.Context) (int, map[uuid.UUID]error, error) {
-	return a.datasets.ReprocessAll(ctx)
+// ReprocessAllDatasets re-enqueues the processing job for every dataset
+// matching fileType (nil matches every file type), restarting each one's
+// asynchronous pipeline. It returns how many jobs were enqueued and a
+// per-dataset map of any failures.
+func (a *App) ReprocessAllDatasets(ctx context.Context, fileType *domain.FileType) (int, map[uuid.UUID]error, error) {
+	return a.datasets.ReprocessAll(ctx, fileType)
 }
 
 // Close releases all resources in reverse order of acquisition.

internal/cli/reprocess.go

@@ -2,31 +2,53 @@ package cli
 
 import (
 	"fmt"
+	"strings"
 
 	"gis/internal/app"
+	"gis/internal/domain"
 
 	"github.com/google/uuid"
 	"github.com/spf13/cobra"
 )
 
-var reprocessAll bool
+var (
+	reprocessAll  bool
+	reprocessType string
+)
 
 var reprocessCmd = &cobra.Command{
 	Use:   "reprocess [dataset-id]",
 	Short: "Re-enqueue the processing job for uploaded datasets",
 	Long: "Re-publish the RabbitMQ message that drives an uploaded dataset's\n" +
 		"asynchronous processing, selecting the right step from its file type\n" +
-		"(vector_with_kato -> parse, vector -> properties, raster -> cog).\n\n" +
+		"(vector_with_kato -> parse, vector -> properties, raster -> cog).\n" +
+		"Before re-enqueuing, each dataset's stored geometry and GeoJSON are\n" +
+		"cleared so a stale (e.g. previously miscomputed) value is never served\n" +
+		"while the job is pending.\n\n" +
 		"Pass a dataset id to reprocess a single dataset, or --all to reprocess\n" +
-		"every dataset.\n\n" +
+		"every dataset. --type restricts --all to one file type\n" +
+		"(vector_with_kato, vector, or raster).\n\n" +
 		"Examples:\n" +
 		"  gis reprocess 06818b2b-1fc5-47d9-a764-db2d4cb3df75\n" +
-		"  gis reprocess --all",
+		"  gis reprocess --all\n" +
+		"  gis reprocess --all --type=vector",
 	Args: cobra.MaximumNArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		if reprocessAll == (len(args) == 1) {
 			return fmt.Errorf("provide exactly one of <dataset-id> or --all")
 		}
+		if reprocessType != "" && !reprocessAll {
+			return fmt.Errorf("--type can only be used together with --all")
+		}
+
+		var fileType *domain.FileType
+		if reprocessType != "" {
+			ft := domain.FileType(strings.TrimSpace(reprocessType))
+			if !ft.Valid() {
+				return fmt.Errorf("invalid --type %q: must be one of vector_with_kato, vector, raster", reprocessType)
+			}
+			fileType = &ft
+		}
 
 		ctx, cancel := signalContext()
 		defer cancel()
@@ -38,7 +60,7 @@ var reprocessCmd = &cobra.Command{
 		defer application.Close()
 
 		if reprocessAll {
-			enqueued, failures, err := application.ReprocessAllDatasets(ctx)
+			enqueued, failures, err := application.ReprocessAllDatasets(ctx, fileType)
 			if err != nil {
 				return err
 			}
@@ -47,7 +69,7 @@ var reprocessCmd = &cobra.Command{
 					"dataset_id", id, "error", ferr)
 			}
 			application.Log.Info("re-enqueued all dataset processing",
-				"enqueued", enqueued, "failed", len(failures))
+				"file_type", reprocessType, "enqueued", enqueued, "failed", len(failures))
 			if len(failures) > 0 {
 				return fmt.Errorf("%d of %d datasets failed to re-enqueue", len(failures), enqueued+len(failures))
 			}
@@ -71,4 +93,5 @@ var reprocessCmd = &cobra.Command{
 
 func init() {
 	reprocessCmd.Flags().BoolVar(&reprocessAll, "all", false, "reprocess every dataset")
+	reprocessCmd.Flags().StringVar(&reprocessType, "type", "", "restrict --all to one file type (vector_with_kato, vector, raster)")
 }

internal/raster/gdal.go

@@ -58,12 +58,15 @@ func (c *GDALConverter) Footprint(ctx context.Context, src string) ([]byte, erro
 	return info.Wgs84Extent, nil
 }
 
-// VectorGeometry reads every feature of a vector file and returns their combined
-// geometry as a GeoJSON GeometryCollection reprojected to EPSG:4326, or nil if
-// the file has no features. The caller (PostGIS) dissolves the collection into
-// the union of all features. Zipped ESRI shapefiles are read in place via GDAL's
-// /vsizip/ virtual filesystem; GeoJSON and GeoPackage are read directly.
-func (c *GDALConverter) VectorGeometry(ctx context.Context, src string) ([]byte, error) {
+// VectorFeatures reads every feature of a vector file and returns their
+// geometries, reprojected to EPSG:4326, in file order (nil if the file has no
+// features). A feature with no geometry yields a nil entry at its index, so
+// the result stays aligned with attribute rows read from the same file (the
+// shapefile format itself has no other way to pair a .shp geometry record with
+// its .dbf attribute row than matching by position). Zipped ESRI shapefiles
+// are read in place via GDAL's /vsizip/ virtual filesystem; GeoJSON and
+// GeoPackage are read directly.
+func (c *GDALConverter) VectorFeatures(ctx context.Context, src string) ([]json.RawMessage, error) {
 	input := src
 	if strings.EqualFold(filepath.Ext(src), ".zip") {
 		input = "/vsizip/" + src
@@ -89,20 +92,16 @@ func (c *GDALConverter) VectorGeometry(ctx context.Context, src string) ([]byte,
 	if err := json.Unmarshal(out, &fc); err != nil {
 		return nil, fmt.Errorf("parse ogr2ogr output: %w", err)
 	}
-
-	geoms := make([]json.RawMessage, 0, len(fc.Features))
-	for _, f := range fc.Features {
-		if len(f.Geometry) == 0 || string(f.Geometry) == "null" {
-			continue
-		}
-		geoms = append(geoms, f.Geometry)
-	}
-	if len(geoms) == 0 {
+	if len(fc.Features) == 0 {
 		return nil, nil
 	}
 
-	return json.Marshal(struct {
-		Type       string            `json:"type"`
-		Geometries []json.RawMessage `json:"geometries"`
-	}{Type: "GeometryCollection", Geometries: geoms})
+	geoms := make([]json.RawMessage, len(fc.Features))
+	for i, f := range fc.Features {
+		if len(f.Geometry) == 0 || string(f.Geometry) == "null" {
+			continue
+		}
+		geoms[i] = f.Geometry
+	}
+	return geoms, nil
 }

internal/repository/postgres/dataset.go

@@ -211,6 +211,24 @@ func (r *DatasetRepository) SetGeoJSON(ctx context.Context, id uuid.UUID, geojso
 	return nil
 }
 
+// ClearGeometryAndGeoJSON nulls out a dataset's stored geometry and persisted
+// GeoJSON. Used before re-enqueuing a dataset's processing job so a stale
+// (possibly incorrect) geometry/GeoJSON is never served while the job is
+// pending; the async worker repopulates both once it completes.
+func (r *DatasetRepository) ClearGeometryAndGeoJSON(ctx context.Context, id uuid.UUID) error {
+	tag, err := r.pool.Exec(ctx,
+		`UPDATE datasets SET geometry = NULL, geojson = NULL, updated_at = now() WHERE id = $1`,
+		id,
+	)
+	if err != nil {
+		return mapError(err)
+	}
+	if tag.RowsAffected() == 0 {
+		return domain.ErrNotFound
+	}
+	return nil
+}
+
 // ReplaceObservations atomically replaces all observations for a dataset.
 func (r *DatasetRepository) ReplaceObservations(ctx context.Context, datasetID uuid.UUID, obs []domain.Observation) error {
 	tx, err := r.pool.Begin(ctx)

internal/service/dataset.go

@@ -44,6 +44,7 @@ type DatasetRepository interface {
 	MarkConverted(ctx context.Context, id uuid.UUID, cogKey string, footprint []byte) error
 	SetProperties(ctx context.Context, id uuid.UUID, properties, geometry []byte) error
 	SetGeoJSON(ctx context.Context, id uuid.UUID, geojson []byte) error
+	ClearGeometryAndGeoJSON(ctx context.Context, id uuid.UUID) error
 	SaveMapping(ctx context.Context, id uuid.UUID, katoColumn string, years []domain.YearColumn) (domain.Dataset, error)
 	ReplaceObservations(ctx context.Context, datasetID uuid.UUID, obs []domain.Observation) error
 	ListObservations(ctx context.Context, datasetID uuid.UUID, katoCode *string, limit, offset int) ([]domain.Observation, error)
@@ -95,14 +96,16 @@ type ColumnParser func(filename string, data []byte) ([]domain.AttributeColumn,
 type RowParser func(filename string, data []byte) ([]map[string]string, error)
 
 // RasterConverter converts a raster file to a Cloud-Optimized GeoTIFF, reads its
-// footprint, and dissolves a vector file's features into a single geometry. It
-// operates on local file paths.
+// footprint, and reads a vector file's per-feature geometry. It operates on
+// local file paths.
 type RasterConverter interface {
 	ToCOG(ctx context.Context, srcPath, dstPath string) error
 	Footprint(ctx context.Context, srcPath string) ([]byte, error)
-	// VectorGeometry returns the combined geometry of a vector file's features as
-	// GeoJSON in EPSG:4326 (nil if the file has no features).
-	VectorGeometry(ctx context.Context, srcPath string) ([]byte, error)
+	// VectorFeatures returns each feature's geometry as GeoJSON in EPSG:4326, in
+	// file order (nil if the file has no features). A feature with no geometry
+	// yields a nil entry at its index, keeping the result aligned by position
+	// with attribute rows read from the same file via RowParser.
+	VectorFeatures(ctx context.Context, srcPath string) ([]json.RawMessage, error)
 }
 
 // UploadInput carries everything needed to store a new dataset.
@@ -253,26 +256,35 @@ func (s *DatasetService) enqueueProcessing(ctx context.Context, d domain.Dataset
 
 // Reprocess re-enqueues the processing job for an existing dataset, restarting
 // its asynchronous pipeline from the step appropriate to its file type. Useful
-// for retrying after a transient failure or a worker that was behind the schema.
+// for retrying after a transient failure or a worker that was behind the
+// schema. Its stored geometry and GeoJSON are cleared first so a stale (e.g.
+// previously miscomputed) value is never served while the job is pending; the
+// worker repopulates both once the job completes.
 func (s *DatasetService) Reprocess(ctx context.Context, id uuid.UUID) (domain.Dataset, error) {
 	dataset, err := s.repo.GetByID(ctx, id)
 	if err != nil {
 		return domain.Dataset{}, err
 	}
+	if err := s.repo.ClearGeometryAndGeoJSON(ctx, id); err != nil {
+		return domain.Dataset{}, fmt.Errorf("clear stale geometry/geojson: %w", err)
+	}
 	if err := s.enqueueProcessing(ctx, dataset); err != nil {
 		return domain.Dataset{}, fmt.Errorf("enqueue processing: %w", err)
 	}
 	return dataset, nil
 }
 
-// ReprocessAll re-enqueues the processing job for every dataset, restarting each
-// one's asynchronous pipeline from the step appropriate to its file type. It
-// paginates through all datasets and continues past individual failures,
-// returning how many jobs were enqueued and a per-dataset map of any failures.
-func (s *DatasetService) ReprocessAll(ctx context.Context) (enqueued int, failures map[uuid.UUID]error, err error) {
+// ReprocessAll re-enqueues the processing job for every dataset matching
+// fileType (nil matches every file type), restarting each one's asynchronous
+// pipeline from the step appropriate to its file type. Each dataset's stored
+// geometry and GeoJSON are cleared first (see Reprocess). It paginates through
+// all matching datasets and continues past individual failures, returning how
+// many jobs were enqueued and a per-dataset map of any failures.
+func (s *DatasetService) ReprocessAll(ctx context.Context, fileType *domain.FileType) (enqueued int, failures map[uuid.UUID]error, err error) {
 	failures = make(map[uuid.UUID]error)
+	filter := domain.DatasetFilter{FileType: fileType}
 	for offset := 0; ; {
-		summaries, err := s.repo.ListSummaries(ctx, domain.DatasetFilter{}, MaxPageSize, offset)
+		summaries, err := s.repo.ListSummaries(ctx, filter, MaxPageSize, offset)
 		if err != nil {
 			return enqueued, failures, err
 		}
@@ -280,6 +292,10 @@ func (s *DatasetService) ReprocessAll(ctx context.Context) (enqueued int, failur
 			break
 		}
 		for _, sum := range summaries {
+			if e := s.repo.ClearGeometryAndGeoJSON(ctx, sum.ID); e != nil {
+				failures[sum.ID] = e
+				continue
+			}
 			if e := s.enqueueProcessing(ctx, domain.Dataset{ID: sum.ID, FileType: sum.FileType}); e != nil {
 				failures[sum.ID] = e
 				continue
@@ -294,12 +310,15 @@ func (s *DatasetService) ReprocessAll(ctx context.Context) (enqueued int, failur
 	return enqueued, failures, nil
 }
 
-// ExtractProperties reads a plain vector dataset's attribute table and spatial
-// geometry and stores them (the attribute table as a JSON array of row objects
-// in the properties column, the dissolved feature geometry in the geometry
-// column), then marks the dataset ready. Invoked by the worker. Parse failures
-// are recorded; storage failures are returned for retry. Geometry extraction is
-// best-effort: a failure leaves geometry unset rather than failing the job.
+// ExtractProperties reads a plain vector dataset's attribute table and
+// per-feature geometry and stores them: the dissolved (unioned) geometry in
+// the geometry column, and a GeoJSON FeatureCollection with one Feature per
+// original polygon (its own geometry paired with its own attribute row, by
+// position - the same pairing a shapefile's .shp/.dbf records have) as the
+// persisted GeoJSON. Then marks the dataset ready. Invoked by the worker.
+// Parse failures are recorded; storage failures are returned for retry.
+// Geometry extraction is best-effort: a failure leaves geometry unset rather
+// than failing the job.
 func (s *DatasetService) ExtractProperties(ctx context.Context, id uuid.UUID) error {
 	dataset, err := s.repo.GetByID(ctx, id)
 	if err != nil {
@@ -326,20 +345,27 @@ func (s *DatasetService) ExtractProperties(ctx context.Context, id uuid.UUID) er
 		}
 	}
 
-	geometry := s.vectorGeometry(ctx, dataset.Filename, data)
-	if err := s.repo.SetProperties(ctx, id, properties, geometry); err != nil {
+	geoms := s.vectorFeatureGeometries(ctx, dataset.Filename, data)
+	if err := s.repo.SetProperties(ctx, id, properties, dissolvedGeometryJSON(geoms)); err != nil {
 		return err
 	}
-	// Assemble and persist the GeoJSON served by the .geojson endpoint from the
-	// now-canonical (unioned) geometry and attribute table.
-	return s.generateGeoJSON(ctx, id)
+
+	fc := domain.FeatureCollection{
+		Type:     domain.GeoJSONFeatureCollection,
+		Features: buildVectorFeatures(rows, geoms),
+	}
+	raw, err := json.Marshal(fc)
+	if err != nil {
+		return err
+	}
+	return s.repo.SetGeoJSON(ctx, id, raw)
 }
 
-// vectorGeometry dissolves a vector file's features into a single GeoJSON
-// geometry via the converter. It writes the in-memory bytes to a temp file
-// (preserving the extension so the converter detects the format) because the
-// converter operates on file paths. Best-effort: any failure yields nil.
-func (s *DatasetService) vectorGeometry(ctx context.Context, filename string, data []byte) []byte {
+// vectorFeatureGeometries reads a vector file's per-feature geometries via the
+// converter. It writes the in-memory bytes to a temp file (preserving the
+// extension so the converter detects the format) because the converter
+// operates on file paths. Best-effort: any failure yields nil.
+func (s *DatasetService) vectorFeatureGeometries(ctx context.Context, filename string, data []byte) []json.RawMessage {
 	ext := strings.ToLower(filepath.Ext(filename))
 	f, err := os.CreateTemp("", "gis-vec-*"+ext)
 	if err != nil {
@@ -353,8 +379,61 @@ func (s *DatasetService) vectorGeometry(ctx context.Context, filename string, da
 	if err := f.Close(); err != nil {
 		return nil
 	}
-	geom, _ := s.converter.VectorGeometry(ctx, f.Name())
-	return geom
+	geoms, _ := s.converter.VectorFeatures(ctx, f.Name())
+	return geoms
+}
+
+// dissolvedGeometryJSON wraps a vector file's per-feature geometries into a
+// single GeoJSON GeometryCollection for storage in the geometry column, where
+// PostGIS dissolves it into the union of all features (nil entries and an
+// empty/nil input are dropped, yielding nil when no geometry survives).
+func dissolvedGeometryJSON(geoms []json.RawMessage) []byte {
+	present := make([]json.RawMessage, 0, len(geoms))
+	for _, g := range geoms {
+		if len(g) == 0 || string(g) == "null" {
+			continue
+		}
+		present = append(present, g)
+	}
+	if len(present) == 0 {
+		return nil
+	}
+	b, err := json.Marshal(struct {
+		Type       string            `json:"type"`
+		Geometries []json.RawMessage `json:"geometries"`
+	}{Type: "GeometryCollection", Geometries: present})
+	if err != nil {
+		return nil
+	}
+	return b
+}
+
+// buildVectorFeatures pairs each row with the geometry at the same position
+// (rows and geoms both come from reading the same file in file order, which
+// is how a shapefile's .dbf attribute records correspond to its .shp geometry
+// records) into one Feature per polygon. A row or geometry beyond the other
+// slice's length, or a feature with no geometry, is skipped.
+func buildVectorFeatures(rows []map[string]string, geoms []json.RawMessage) []domain.Feature {
+	n := len(geoms)
+	if len(rows) < n {
+		n = len(rows)
+	}
+	features := make([]domain.Feature, 0, n)
+	for i := 0; i < n; i++ {
+		if len(geoms[i]) == 0 || string(geoms[i]) == "null" {
+			continue
+		}
+		props := make(map[string]any, len(rows[i]))
+		for k, v := range rows[i] {
+			props[k] = v
+		}
+		features = append(features, domain.Feature{
+			Type:       domain.GeoJSONFeature,
+			Geometry:   geoms[i],
+			Properties: props,
+		})
+	}
+	return features
 }
 
 // hasAttributeData reports whether any row carries at least one attribute.
@@ -572,8 +651,8 @@ func (s *DatasetService) Extract(ctx context.Context, id uuid.UUID) error {
 		return err // transient
 	}
 
-	geometry := s.vectorGeometry(ctx, dataset.Filename, data)
-	if err := s.repo.MarkReady(ctx, id, geometry); err != nil {
+	geoms := s.vectorFeatureGeometries(ctx, dataset.Filename, data)
+	if err := s.repo.MarkReady(ctx, id, dissolvedGeometryJSON(geoms)); err != nil {
 		return err
 	}
 	// Assemble and persist the GeoJSON served by the .geojson endpoint by joining

internal/service/dataset_test.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"io"
 	"os"
+	"sort"
 	"strings"
 	"testing"
 	"time"
@@ -23,6 +24,7 @@ type stubDatasetRepo struct {
 	districts             map[string]domain.District
 	createErr             error
 	deleted               []uuid.UUID
+	cleared               []uuid.UUID
 	lastLimit, lastOffset int
 	lastFilter            domain.DatasetFilter
 }
@@ -58,8 +60,25 @@ func (r *stubDatasetRepo) ListSummaries(_ context.Context, filter domain.Dataset
 	r.lastFilter = filter
 	r.lastLimit = limit
 	r.lastOffset = offset
+
+	var matched []domain.DatasetSummary
+	for _, d := range r.store {
+		if filter.FileType != nil && d.FileType != *filter.FileType {
+			continue
+		}
+		matched = append(matched, domain.DatasetSummary{ID: d.ID, FileType: d.FileType})
+	}
+	sort.Slice(matched, func(i, j int) bool { return matched[i].ID.String() < matched[j].ID.String() })
+
+	if offset >= len(matched) {
 		return nil, nil
 	}
+	end := offset + limit
+	if end > len(matched) {
+		end = len(matched)
+	}
+	return matched[offset:end], nil
+}
 
 func (r *stubDatasetRepo) Count(_ context.Context, _ domain.DatasetFilter) (int, error) {
 	return len(r.store), nil
@@ -146,6 +165,18 @@ func (r *stubDatasetRepo) SetProperties(_ context.Context, id uuid.UUID, propert
 	return nil
 }
 
+func (r *stubDatasetRepo) ClearGeometryAndGeoJSON(_ context.Context, id uuid.UUID) error {
+	d, ok := r.store[id]
+	if !ok {
+		return domain.ErrNotFound
+	}
+	d.Geometry = nil
+	d.GeoJSON = nil
+	r.store[id] = d
+	r.cleared = append(r.cleared, id)
+	return nil
+}
+
 func (r *stubDatasetRepo) SetGeoJSON(_ context.Context, id uuid.UUID, geojson []byte) error {
 	d, ok := r.store[id]
 	if !ok {
@@ -230,8 +261,8 @@ type stubConverter struct {
 	toCOGErr         error
 	footprint        []byte
 	footprintFn      func(src string) ([]byte, error)
-	vectorGeom   []byte
-	vectorGeomFn func(src string) ([]byte, error)
+	vectorFeatures   []json.RawMessage
+	vectorFeaturesFn func(src string) ([]json.RawMessage, error)
 }
 
 func (c *stubConverter) ToCOG(_ context.Context, _, dst string) error {
@@ -249,11 +280,11 @@ func (c *stubConverter) Footprint(_ context.Context, src string) ([]byte, error)
 	return c.footprint, nil
 }
 
-func (c *stubConverter) VectorGeometry(_ context.Context, src string) ([]byte, error) {
-	if c.vectorGeomFn != nil {
-		return c.vectorGeomFn(src)
+func (c *stubConverter) VectorFeatures(_ context.Context, src string) ([]json.RawMessage, error) {
+	if c.vectorFeaturesFn != nil {
+		return c.vectorFeaturesFn(src)
 	}
-	return c.vectorGeom, nil
+	return c.vectorFeatures, nil
 }
 
 var (
@@ -471,8 +502,11 @@ func TestDatasetService_ExtractProperties(t *testing.T) {
 		{"name": "Almaty", "pop": "2000"},
 	}
 	rp := RowParser(func(string, []byte) ([]map[string]string, error) { return rows, nil })
-	geom := []byte(`{"type":"GeometryCollection","geometries":[]}`)
-	conv := &stubConverter{vectorGeom: geom}
+	geoms := []json.RawMessage{
+		json.RawMessage(`{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,1],[1,1]]]}`),
+		json.RawMessage(`{"type":"Polygon","coordinates":[[[4,4],[5,5],[6,4],[4,4]]]}`),
+	}
+	conv := &stubConverter{vectorFeatures: geoms}
 	svc := NewDatasetService(repo, &stubStore{}, stubCategoryReader{exists: true}, &stubEnqueuer{}, noopParser, rp, conv)
 
 	if err := svc.ExtractProperties(context.Background(), id); err != nil {
@@ -489,8 +523,25 @@ func TestDatasetService_ExtractProperties(t *testing.T) {
 	if len(parsed) != 2 {
 		t.Fatalf("want 2 rows in properties, got %d", len(parsed))
 	}
-	if string(got.Geometry) != string(geom) {
-		t.Fatalf("want geometry %s, got %s", geom, got.Geometry)
+	wantGeometry := `{"type":"GeometryCollection","geometries":[` + string(geoms[0]) + `,` + string(geoms[1]) + `]}`
+	if string(got.Geometry) != wantGeometry {
+		t.Fatalf("want dissolved geometry %s, got %s", wantGeometry, got.Geometry)
+	}
+
+	// Regression: each polygon must keep its own attribute row as its Feature's
+	// properties, not a single dissolved geometry sharing every row.
+	var fc domain.FeatureCollection
+	if err := json.Unmarshal(got.GeoJSON, &fc); err != nil {
+		t.Fatalf("geojson not persisted / invalid: %v (%s)", err, got.GeoJSON)
+	}
+	if len(fc.Features) != 2 {
+		t.Fatalf("want 2 features (one per polygon), got %d: %s", len(fc.Features), got.GeoJSON)
+	}
+	if string(fc.Features[0].Geometry) != string(geoms[0]) || fc.Features[0].Properties["name"] != "Astana" {
+		t.Fatalf("feature 0 not paired with its own geometry/row: %+v", fc.Features[0])
+	}
+	if string(fc.Features[1].Geometry) != string(geoms[1]) || fc.Features[1].Properties["name"] != "Almaty" {
+		t.Fatalf("feature 1 not paired with its own geometry/row: %+v", fc.Features[1])
 	}
 }
 
@@ -505,7 +556,7 @@ func TestDatasetService_ExtractProperties_GeometryBestEffort(t *testing.T) {
 		return []map[string]string{{"name": "Astana"}}, nil
 	})
 	// Geometry extraction fails; the job must still succeed with properties set.
-	conv := &stubConverter{vectorGeomFn: func(string) ([]byte, error) {
+	conv := &stubConverter{vectorFeaturesFn: func(string) ([]json.RawMessage, error) {
 		return nil, errors.New("ogr2ogr boom")
 	}}
 	svc := NewDatasetService(repo, &stubStore{}, stubCategoryReader{exists: true}, &stubEnqueuer{}, noopParser, rp, conv)
@@ -800,8 +851,9 @@ func TestDatasetService_Extract(t *testing.T) {
 	}
 	rows := []map[string]string{{"като": "751010000", "F_2023": "100"}}
 	rp := RowParser(func(string, []byte) ([]map[string]string, error) { return rows, nil })
-	geom := []byte(`{"type":"GeometryCollection","geometries":[]}`)
-	conv := &stubConverter{vectorGeom: geom}
+	geoms := []json.RawMessage{json.RawMessage(`{"type":"Polygon","coordinates":[[[76,43],[77,43],[77,44],[76,43]]]}`)}
+	geom := []byte(`{"type":"GeometryCollection","geometries":[` + string(geoms[0]) + `]}`)
+	conv := &stubConverter{vectorFeatures: geoms}
 	svc := NewDatasetService(repo, &stubStore{}, stubCategoryReader{exists: true}, &stubEnqueuer{}, noopParser, rp, conv)
 
 	if err := svc.Extract(context.Background(), id); err != nil {
@@ -1166,6 +1218,69 @@ func TestDatasetService_WaitForStatus(t *testing.T) {
 	})
 }
 
+func TestDatasetService_Reprocess_ClearsStaleGeometryAndGeoJSON(t *testing.T) {
+	repo := newStubDatasetRepo()
+	id := uuid.New()
+	repo.store[id] = domain.Dataset{
+		ID: id, FileType: domain.FileTypeVector, Status: domain.DatasetStatusReady,
+		Geometry: json.RawMessage(`{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,1],[1,1]]]}`),
+		GeoJSON:  json.RawMessage(`{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"rows":[]}}]}`),
+	}
+	enq := &stubEnqueuer{}
+	svc := NewDatasetService(repo, &stubStore{}, stubCategoryReader{exists: true}, enq, noopParser, noopRowParser, &stubConverter{})
+
+	if _, err := svc.Reprocess(context.Background(), id); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	got := repo.store[id]
+	if got.Geometry != nil || got.GeoJSON != nil {
+		t.Fatalf("want stale geometry/geojson cleared, got geometry=%s geojson=%s", got.Geometry, got.GeoJSON)
+	}
+	if len(enq.properties) != 1 || enq.properties[0] != id {
+		t.Fatalf("want properties job enqueued for %s, got %+v", id, enq.properties)
+	}
+}
+
+func TestDatasetService_ReprocessAll_FiltersByFileType(t *testing.T) {
+	repo := newStubDatasetRepo()
+	vectorID, rasterID := uuid.New(), uuid.New()
+	repo.store[vectorID] = domain.Dataset{
+		ID: vectorID, FileType: domain.FileTypeVector,
+		Geometry: json.RawMessage(`{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,1],[1,1]]]}`),
+		GeoJSON:  json.RawMessage(`{"type":"FeatureCollection","features":[]}`),
+	}
+	repo.store[rasterID] = domain.Dataset{
+		ID: rasterID, FileType: domain.FileTypeRaster,
+		Geometry: json.RawMessage(`{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,1],[1,1]]]}`),
+	}
+	enq := &stubEnqueuer{}
+	svc := NewDatasetService(repo, &stubStore{}, stubCategoryReader{exists: true}, enq, noopParser, noopRowParser, &stubConverter{})
+
+	vectorType := domain.FileTypeVector
+	enqueued, failures, err := svc.ReprocessAll(context.Background(), &vectorType)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if len(failures) != 0 {
+		t.Fatalf("unexpected failures: %+v", failures)
+	}
+	if enqueued != 1 {
+		t.Fatalf("want 1 dataset enqueued, got %d", enqueued)
+	}
+	if len(enq.properties) != 1 || enq.properties[0] != vectorID {
+		t.Fatalf("want only the vector dataset's properties job enqueued, got %+v", enq.properties)
+	}
+	if len(enq.converted) != 0 {
+		t.Fatalf("raster dataset must not be reprocessed when --type=vector, got %+v", enq.converted)
+	}
+	if got := repo.store[vectorID]; got.Geometry != nil || got.GeoJSON != nil {
+		t.Fatalf("vector dataset's stale geometry/geojson must be cleared, got geometry=%s geojson=%s", got.Geometry, got.GeoJSON)
+	}
+	if got := repo.store[rasterID]; got.Geometry == nil {
+		t.Fatalf("raster dataset outside the --type filter must be left untouched")
+	}
+}
+
 func TestDatasetService_Delete_RemovesObject(t *testing.T) {
 	repo := newStubDatasetRepo()
 	id := uuid.New()