fix(panel): 构建记录改由服务端分页列表提供，任何浏览器与管理员都能看到并取消进行中的构建，列表刷新失败保留原行并提示

internal/build/build.go

@@ -175,6 +175,20 @@ type Image struct {
 	AddedAt  time.Time `json:"added_at"`
 }
 
+// ListOpts selects a page of the build history. Query matches a build id or a
+// status exactly, or any part of the image ref, ignoring case; empty matches all.
+type ListOpts struct {
+	Query  string
+	Limit  int
+	Offset int
+}
+
+// DefaultListLimit and MaxListLimit bound one page of ListBuilds.
+const (
+	DefaultListLimit = 20
+	MaxListLimit     = 100
+)
+
 // Store is the business-layer persistence the Builder depends on (image_builds
 // + image_whitelist). It is an interface so the Builder is tested against an
 // in-memory fake; the Postgres implementation (pgStore) is integration-tested
@@ -191,6 +205,10 @@ type Store interface {
 	// ListUnfinishedBuilds returns builds still being reconciled (status pending
 	// or building), oldest first — the work list for SyncAll.
 	ListUnfinishedBuilds(ctx context.Context) ([]Build, error)
+	// ListBuilds returns one page of the build history, newest first, and how
+	// many builds match in all. The rows leave out the Dockerfile (up to
+	// MaxDockerfileBytes each); GetBuild has it.
+	ListBuilds(ctx context.Context, opts ListOpts) ([]Build, int, error)
 	// AdmitBuiltImage upserts an image_whitelist row with enabled=true and
 	// source=built (the scan-gate success path, spec §16). It records added_by.
 	AdmitBuiltImage(ctx context.Context, img Image) error
@@ -501,6 +519,20 @@ func (b *Builder) Get(ctx context.Context, id string) (*Build, error) {
 	return b.Store.GetBuild(ctx, id)
 }
 
+// ListBuilds pages the build history for the admin panel, so every admin sees
+// every build (and can cancel a running one) from any browser. It reads rows as
+// stored: reconcileBuilds advances them in the background, and GET
+// /images/build/{id} reconciles one on demand.
+func (b *Builder) ListBuilds(ctx context.Context, opts ListOpts) ([]Build, int, error) {
+	opts.Query = strings.TrimSpace(opts.Query)
+	if opts.Limit <= 0 {
+		opts.Limit = DefaultListLimit
+	}
+	opts.Limit = min(opts.Limit, MaxListLimit)
+	opts.Offset = max(opts.Offset, 0)
+	return b.Store.ListBuilds(ctx, opts)
+}
+
 // Sync reconciles one non-terminal build against its Job phase — the scan-gate
 // translation (spec §16). A terminal build is returned unchanged (idempotent).
 //

internal/build/build_test.go

@@ -24,6 +24,7 @@ type fakeStore struct {
 	finished  []string // "id:status"
 	removeErr error
 	createErr error
+	listOpts  ListOpts
 }
 
 func newFakeStore() *fakeStore {
@@ -88,6 +89,18 @@ func (f *fakeStore) ListUnfinishedBuilds(_ context.Context) ([]Build, error) {
 	return out, nil
 }
 
+func (f *fakeStore) ListBuilds(_ context.Context, opts ListOpts) ([]Build, int, error) {
+	f.listOpts = opts
+	var out []Build
+	for _, b := range f.builds {
+		out = append(out, *b)
+	}
+	sort.Slice(out, func(i, j int) bool { return out[i].ID > out[j].ID })
+	total := len(out)
+	out = out[min(opts.Offset, total):min(opts.Offset+opts.Limit, total)]
+	return out, total, nil
+}
+
 func (f *fakeStore) AdmitBuiltImage(_ context.Context, img Image) error {
 	f.images[img.ImageRef] = img
 	f.admitted = append(f.admitted, img)
@@ -740,3 +753,26 @@ func TestRecommendedImageAdmittedLikeAnyOtherSource(t *testing.T) {
 		t.Error("a disabled recommended image must not be admitted; curation is not a disable bypass")
 	}
 }
+
+// ListBuilds keeps one page bounded whatever the query string asks for.
+func TestListBuildsBoundsThePage(t *testing.T) {
+	cases := []struct {
+		in   ListOpts
+		want ListOpts
+	}{
+		{ListOpts{}, ListOpts{Limit: DefaultListLimit}},
+		{ListOpts{Limit: 5, Offset: 40}, ListOpts{Limit: 5, Offset: 40}},
+		{ListOpts{Limit: 100000}, ListOpts{Limit: MaxListLimit}},
+		{ListOpts{Limit: -3, Offset: -7}, ListOpts{Limit: DefaultListLimit}},
+		{ListOpts{Query: "  paper \t"}, ListOpts{Query: "paper", Limit: DefaultListLimit}},
+	}
+	for _, c := range cases {
+		b, st, _ := newBuilder()
+		if _, _, err := b.ListBuilds(context.Background(), c.in); err != nil {
+			t.Fatalf("ListBuilds(%+v): %v", c.in, err)
+		}
+		if st.listOpts != c.want {
+			t.Errorf("ListBuilds(%+v) asked the store for %+v, want %+v", c.in, st.listOpts, c.want)
+		}
+	}
+}

internal/build/pgstore.go

@@ -99,6 +99,30 @@ func (s *PGStore) ListUnfinishedBuilds(ctx context.Context) ([]Build, error) {
 	if err != nil {
 		return nil, err
 	}
+	return scanBuilds(rows)
+}
+
+// ListBuilds pages image_builds newest first. The id breaks created_at ties so
+// the pages neither repeat nor skip a row; the Dockerfile column is left empty.
+func (s *PGStore) ListBuilds(ctx context.Context, opts ListOpts) ([]Build, int, error) {
+	const match = ` WHERE $1::text = '' OR id = $1::text OR status::text = lower($1::text)
+		OR strpos(lower(image_ref), lower($1::text)) > 0`
+	var total int
+	if err := s.db.QueryRowContext(ctx, `SELECT count(*) FROM image_builds`+match, opts.Query).Scan(&total); err != nil {
+		return nil, 0, err
+	}
+	rows, err := s.db.QueryContext(ctx, `SELECT id, image_ref, status, '', context_ref, base_image,
+			requested_by, job_name, log_ref, error, created_at, finished_at, context_digest
+		FROM image_builds`+match+` ORDER BY created_at DESC, id DESC LIMIT $2 OFFSET $3`,
+		opts.Query, opts.Limit, opts.Offset)
+	if err != nil {
+		return nil, 0, err
+	}
+	out, err := scanBuilds(rows)
+	return out, total, err
+}
+
+func scanBuilds(rows *sql.Rows) ([]Build, error) {
 	defer rows.Close()
 	var out []Build
 	for rows.Next() {