fix(cat): clear stale compact mirror timers

在 CAT1 compact mirror 的立即关闭路径中清理 pending settled timer，避免延迟回调在状态变化后再次触发 inactive。\n\n保留 compact-surface-settled 的一次性延迟关闭语义，补充静态契约测试覆盖 timer 清理顺序。

Author: yiyiyiyiGKY

static/avatar-ui-buttons.js

@@ -1436,6 +1436,10 @@ function _setNekoIdleCat1CompactMirrorActive(button, container, active, options
             }
             return true;
         }
+        if (container.__nekoIdleCat1CompactMirrorSettleTimer) {
+            clearTimeout(container.__nekoIdleCat1CompactMirrorSettleTimer);
+            container.__nekoIdleCat1CompactMirrorSettleTimer = 0;
+        }
         if (!container.__nekoIdleCat1CompactMirrorActive) return true;
         container.__nekoIdleCat1CompactMirrorActive = false;
         container.classList.remove('is-cat1-compact-mirror-active');

tests/unit/test_avatar_return_button_idle_tiers_static.py

@@ -464,6 +464,17 @@ def test_cat1_walk_to_minimized_chat_contract_is_present():
     assert "via: 'local'" in source
     assert "return dispatchedLocal;" in source
     assert "assetUrl: options.assetUrl || _getNekoIdleReturnAssetUrl(_NEKO_IDLE_TIER_CAT1)" in source
+    mirror_state_block = source.split("function _setNekoIdleCat1CompactMirrorActive", 1)[1].split(
+        "const surfaceScreenRect = _getNekoIdleScreenRectFromCompactSurfaceRect(options.surfaceRect)",
+        1,
+    )[0]
+    assert "inactiveReason === 'compact-surface-settled'" in mirror_state_block
+    assert "clearTimeout(container.__nekoIdleCat1CompactMirrorSettleTimer);" in mirror_state_block
+    immediate_clear_index = mirror_state_block.rindex("clearTimeout(container.__nekoIdleCat1CompactMirrorSettleTimer);")
+    assert mirror_state_block.index("inactiveReason === 'compact-surface-settled'") < immediate_clear_index
+    assert immediate_clear_index < mirror_state_block.index(
+        "if (!container.__nekoIdleCat1CompactMirrorActive) return true;"
+    )
     assert "_syncNekoIdleCat1CompactMirrorReaction(button, container, reactionSrc, 'cat1-sound-reaction')" in source
     assert "_getNekoIdleGifDurationMs(reactionSrc)" in source
     assert "const remainingMs = Math.max(0, (Number(durationMs) || 0) - elapsedMs);" in source