CAT-G1, G2: the forge's Go bundle serves both package seats' verbs into its package registry, for both packages

Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig

modules/gitea/internal/forgehttp/forgehttp.go

@@ -1,5 +1,5 @@
 // Package forgehttp is the forge's HTTP interface as this module's Go bundles reach it (cmd/forge,
-// cmd/npm-registry), on the forge's own machine. One copy for both bundles (novox/hq issue 539).
+// cmd/package-registry), on the forge's own machine. One copy for both bundles (novox/hq issue 539).
 //
 // Two ways in, by what the manifest hands the bundle:
 //
@@ -148,12 +148,21 @@ func (c *Client) authorize(req *http.Request) error {
 // 404 is ErrNotFound. One byte past the limit is read, so a body the limit cut is told from one that fits it
 // exactly: a cut body is refused, never read as if it were whole.
 func (c *Client) Do(ctx context.Context, method, path string, payload any, limit int64) ([]byte, error) {
+	if payload == nil {
+		return c.Send(ctx, method, path, nil, "", limit)
+	}
+	raw, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+	return c.Send(ctx, method, path, raw, "application/json", limit)
+}
+
+// Send is Do with a body of its own content type, sent as it is (a package's file uploaded into the registry);
+// a nil body sends none.
+func (c *Client) Send(ctx context.Context, method, path string, raw []byte, contentType string, limit int64) ([]byte, error) {
 	var body io.Reader
-	if payload != nil {
-		raw, err := json.Marshal(payload)
-		if err != nil {
-			return nil, err
-		}
+	if raw != nil {
 		body = bytes.NewReader(raw)
 	}
 	req, err := http.NewRequestWithContext(ctx, method, c.URL+path, body)
@@ -164,8 +173,8 @@ func (c *Client) Do(ctx context.Context, method, path string, payload any, limit
 		return nil, err
 	}
 	req.Header.Set("Accept", "application/json")
-	if payload != nil {
-		req.Header.Set("Content-Type", "application/json")
+	if raw != nil {
+		req.Header.Set("Content-Type", contentType)
 	}
 	res, err := c.client().Do(req)
 	if err != nil {