fix: size grid auto rows after item width resolution

Render auto-width grid children at their resolved track widths before resolving row heights. This keeps wrapped content visible and prevents stale intrinsic heights from clipping the final line.

Verification: make grid-tests EMACS=/Applications/Emacs.app/Contents/MacOS/Emacs; make compile EMACS=/Applications/Emacs.app/Contents/MacOS/Emacs; make check EMACS=/Applications/Emacs.app/Contents/MacOS/Emacs.

ebox-grid.el

@@ -494,6 +494,17 @@ size for start/center/end alignment unless it would overflow its track."
          (align (or (plist-get props :align-items) 'stretch)))
     (ebox-grid--align source width height justify align)))
 
+(defun ebox-grid--sized-rendered-entries (entries rendered widths gap props)
+  "Render ENTRIES at their resolved column widths for later row sizing."
+  (let ((sized (make-hash-table :test 'eq)))
+    (dolist (entry entries)
+      (let* ((node (plist-get entry :node))
+             (width (ebox-grid--entry-size entry widths gap)))
+        (puthash node
+                 (ebox-grid--entry-source entry rendered width props)
+                 sized)))
+    sized))
+
 (defun ebox-grid--entry-at (matrix row column)
   "Return entry occupying ROW and COLUMN in MATRIX."
   (and (< row (length matrix))
@@ -631,19 +642,23 @@ size for start/center/end alignment unless it would overflow its track."
     (let* ((widths (ebox-grid--resolve-sizes columns column-count 'columns
                                              entries rendered (cdr gaps)
                                              available auto-columns))
-           (heights (ebox-grid--resolve-sizes rows row-count 'rows
-                                              entries rendered (car gaps)
-                                              height auto-rows))
            (column-layout
             (ebox-grid--content-layout
              widths (cdr gaps) available
              (or (plist-get props :justify-content) 'start)))
+           (sized-rendered
+            (ebox-grid--sized-rendered-entries
+             entries rendered (plist-get column-layout :sizes)
+             (plist-get column-layout :between) props))
+           (heights (ebox-grid--resolve-sizes rows row-count 'rows
+                                              entries sized-rendered (car gaps)
+                                              height auto-rows))
            (row-layout
             (ebox-grid--content-layout
              heights (car gaps) height
              (or (plist-get props :align-content) 'start)))
            (body (ebox-grid--render entries matrix column-layout row-layout
-                                    props rendered)))
+                                    props sized-rendered)))
       (ebox--render-grid-box node body))))
 
 ;;;###autoload

tests/ebox-grid-tests.el

@@ -51,6 +51,20 @@
          (widths (mapcar #'ebox--string-pixel-width lines)))
     (should (equal widths (make-list (length widths) 120)))))
 
+(ert-deftest ebox-grid-sizes-auto-row-after-assigned-width-wrap ()
+  "Auto rows should use the height of width-constrained child content."
+  (let* ((node (ebox-grid
+                :width '(40)
+                :grid-template-columns '((38))
+                :border "#334155"
+                (ebox-create
+                 :content "WIDE CONTENT WIDE CONTENT WIDE CONTENT WIDE CONTENT"
+                 :wrap-mode 'word)))
+         (lines (ebox-string-lines (ebox-render node)))
+         (widths (mapcar #'ebox--string-pixel-width lines)))
+    (should (= (length lines) 2))
+    (should (equal widths (make-list (length widths) 40)))))
+
 (ert-deftest ebox-grid-aligns-every-line-before-border-render ()
   "Grid wrapper borders should stay on one right edge across child lines."
   (let* ((node (ebox-grid