diff --git a/src/Views/battlefield-editor.php b/src/Views/battlefield-editor.php
new file mode 100644
index 0000000..e61211d
--- /dev/null
+++ b/src/Views/battlefield-editor.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+use BattleForge\Http\Escape;
+
+/**
+ * @var string $csrf    Provided by the front controller.
+ * @var string $scenarioId  Provided by the front controller from the URL.
+ * @var int    $width   Battlefield width (8-16).
+ * @var int    $height  Battlefield height (8-16).
+ */
+$e = static fn (string $v): string => Escape::html($v);
+$a = static fn (string $v): string => Escape::attr($v);
+$terrain = ['open', 'forest', 'rough', 'water', 'blocking'];
+?><?php
+render_layout(static function () use ($csrf, $e, $a, $scenarioId, $width, $height, $terrain): void {
+    ?>
+    <h1>Battlefield editor</h1>
+    <p>Scenario: <strong><?= $e($scenarioId) ?></strong></p>
+    <form id="battlefield-form" method="post" action="<?= $a('/scenarios/' . $e($scenarioId) . '/edit/battlefield') ?>" enctype="application/x-www-form-urlencoded">
+        <input type="hidden" name="_csrf" value="<?= $a($csrf) ?>">
+        <fieldset>
+            <legend>Battlefield</legend>
+            <label>Width: <input type="number" name="battlefieldWidth" min="8" max="16" value="<?= $e((string) $width) ?>" required></label>
+            <label>Height: <input type="number" name="battlefieldHeight" min="8" max="16" value="<?= $e((string) $height) ?>" required></label>
+        </fieldset>
+        <fieldset>
+            <legend>Terrain palette</legend>
+            <?php foreach ($terrain as $t) : ?>
+                <button type="button" data-paint="<?= $a($t) ?>" class="bf-paint"><?= $e($t) ?></button>
+            <?php endforeach; ?>
+        </fieldset>
+        <fieldset>
+            <legend>Grid (<?= $e((string) $width) ?> × <?= $e((string) $height) ?>)</legend>
+            <table class="bf-grid" id="bf-grid">
+                <?php for ($y = 0; $y < $height; $y++) : ?>
+                    <tr>
+                        <?php for ($x = 0; $x < $width; $x++) : ?>
+                            <td><button type="button" class="bf-tile" data-x="<?= $e((string) $x) ?>" data-y="<?= $e((string) $y) ?>" data-paint="open">.</button></td>
+                        <?php endfor; ?>
+                    </tr>
+                <?php endfor; ?>
+            </table>
+        </fieldset>
+        <fieldset>
+            <legend>Deployment zones</legend>
+            <label><input type="radio" name="zoneMode" value="alpha" checked> Place team A zones</label>
+            <label><input type="radio" name="zoneMode" value="bravo"> Place team B zones</label>
+            <label><input type="radio" name="zoneMode" value="objective"> Place objective</label>
+        </fieldset>
+        <button type="submit">Save</button>
+    </form>
+    <script type="module" src="<?= $a('/js/grid-editor.js') ?>"></script>
+    <?php
+}, $csrf, 'Battlefield editor');
diff --git a/src/Views/match-stub.php b/src/Views/match-stub.php
new file mode 100644
index 0000000..71e5eda
--- /dev/null
+++ b/src/Views/match-stub.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+use BattleForge\Http\Escape;
+
+/**
+ * @var string $csrf        Provided by the front controller.
+ * @var ?string $matchJson  The match:current JSON from localStorage, encoded as a string.
+ *                          Null if no match is in progress.
+ */
+$e = static fn (string $v): string => Escape::html($v);
+$matchInfo = $matchJson !== null ? "Match loaded." : "No match in progress.";
+?><?php
+render_layout(static function () use ($e, $matchInfo, $matchJson): void {
+    ?>
+    <h1>Match</h1>
+    <p><?= $e($matchInfo) ?></p>
+    <?php if ($matchJson !== null) : ?>
+        <details>
+            <summary>Match state (debug)</summary>
+            <pre><?= $e($matchJson) ?></pre>
+        </details>
+    <?php endif; ?>
+    <p>Battle interface coming in Plan 4.</p>
+    <p><a href="/">Back to home</a></p>
+    <?php
+}, $csrf, 'Match');
diff --git a/src/Views/upload-result.php b/src/Views/upload-result.php
new file mode 100644
index 0000000..b4371ae
--- /dev/null
+++ b/src/Views/upload-result.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+use BattleForge\Http\Escape;
+
+/**
+ * @var string $csrf  Provided by the front controller.
+ * @var string $url   The uploaded image's URL, written into the parent form's hidden field.
+ */
+$e = static fn (string $v): string => Escape::html($v);
+$json = json_encode(['url' => $url], JSON_THROW_ON_ERROR);
+?><?php
+render_layout(static function () use ($e, $url, $json): void {
+    ?>
+    <p>Uploaded: <code><?= $e($url) ?></code></p>
+    <script>
+    (function () {
+        var data = <?= $json /* trusted raw JSON; $url was validated server-side */ ?>;
+        if (window.parent && window.parent !== window) {
+            window.parent.postMessage(Object.assign({type: 'bf-upload'}, data), '*');
+        }
+    })();
+    </script>
+    <?php
+}, $csrf, 'Upload complete');