A repository's files read from every directory, not only its top

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -36,6 +36,11 @@ APIs change between minors without a deprecation period.
   `ctl model plan` and `ctl model serve` take those repositories too, and the explorer names a `strata-ple`
   repository for what it is: part of a pack Strata knows, or one Strata 0.2.7 does not.
 
+### Fixed
+
+- **A repository that keeps each quantisation in a directory of its own** (ISTA-DASLab's `IQ2_XS/`, `IQ3_S/`) listed
+  no weights: its file tree is now read recursively, by the explorer, the plan and `ctl model serve`.
+
 ## v0.16.0 — 2026-10-30
 
 Weights pinned to the commit they were added at and checked, by the nodes and the mirror, against the sha256

internal/hf/hf.go

@@ -469,7 +469,9 @@ func (c *Client) RepoAt(ctx context.Context, id, rev string) (Repo, error) {
 	if rev == "" {
 		rev = "main"
 	}
-	if err := c.get(ctx, "/api/models/"+id+"/tree/"+rev, &tree); err != nil {
+	// Recursive: a repository that keeps each quantisation in a directory of
+	// its own — ISTA-DASLab's IQ2_XS/, IQ3_S/ — listed no weights at all.
+	if err := c.get(ctx, "/api/models/"+id+"/tree/"+rev+"?recursive=true", &tree); err != nil {
 		return Repo{}, err
 	}
 

internal/hf/hf_test.go

@@ -266,3 +266,29 @@ func TestAListingNamesTheBaseModelAndLicenseFromItsTags(t *testing.T) {
 		t.Error("a base model with no relation should read as itself")
 	}
 }
+
+// A repository that keeps each quantisation in a directory of its own lists
+// its weights: the tree is asked for recursively.
+func TestFilesInDirectoriesAreListed(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch {
+		case strings.Contains(r.URL.Path, "/tree/"):
+			if r.URL.Query().Get("recursive") != "true" {
+				_, _ = w.Write([]byte(`[{"type":"directory","path":"IQ2_XS"}]`))
+				return
+			}
+			_, _ = w.Write([]byte(`[{"type":"directory","path":"IQ2_XS"},
+				{"type":"file","path":"IQ2_XS/m-IQ2_XS-00001-of-00002.gguf","size":100,"lfs":{"oid":"aa","size":5000}}]`))
+		default:
+			_, _ = w.Write([]byte(`{"id":"o/r","sha":"abc"}`))
+		}
+	}))
+	defer srv.Close()
+	r, err := New(srv.URL, 0).Repo(t.Context(), "o/r")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(r.Files) != 1 || r.Files[0].Path != "IQ2_XS/m-IQ2_XS-00001-of-00002.gguf" || r.Files[0].SHA256 != "aa" {
+		t.Errorf("%+v", r.Files)
+	}
+}