From d5cf4d94edbe72d53fb417bf32105c2258bce924 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sun, 14 Jun 2026 16:02:13 +0800
Subject: [PATCH] Fix horizontal App hover linkage

---
 C3.tools/round1-horizontal-waterfall-fixture-qa.sh |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/C3.tools/round1-horizontal-waterfall-fixture-qa.sh b/C3.tools/round1-horizontal-waterfall-fixture-qa.sh
index a441016..5463421 100755
--- a/C3.tools/round1-horizontal-waterfall-fixture-qa.sh
+++ b/C3.tools/round1-horizontal-waterfall-fixture-qa.sh
@@ -122,6 +122,7 @@
 require(root.get("horizontalMasonryMaxScrollOffset", 0) > 0, "horizontal masonry must expose positive vertical max scroll offset")
 require(root.get("horizontalMasonryScrollOffset", 0) > 0, "hovering a later App must anchor masonry vertically")
 require(root.get("appShelfHoveredIndex") == hover_app_index, "debug hover must mark the requested App Shelf item")
+require(root.get("hoveredAppGroupIndex") == hover_app_index, "horizontal masonry must keep the hovered App group available to Waterfall visuals")
 
 require(cards, "horizontal masonry fixture must expose cards")
 widths = [round(card.get("frame", {}).get("width", 0), 1) for card in cards]
@@ -161,6 +162,37 @@
 hover_visible = hover_first_card.get("visibleFrame", {})
 require(hover_visible.get("y", -9999) < waterfall_height + 1, "hovered App first card should be brought into vertical viewport")
 require(hover_visible.get("y", 0) + hover_visible.get("height", 0) > -1, "hovered App first card should not be fully below viewport")
+hover_cards = hover_column.get("cards", [])
+non_hover_cards = [
+    card
+    for column in columns
+    if column.get("appGroupIndex") != hover_app_index
+    for card in column.get("cards", [])
+]
+blue_reference = next(
+    (
+        color
+        for segment in root.get("spaceLaneSegments", [])
+        for color in segment.get("windowBlockColors", [])
+        if color.get("alpha", 0) > 0
+    ),
+    None
+)
+require(blue_reference is not None, "fixture must expose a Space Lane blue reference color")
+require(all("appLinked" in card.get("visualStates", []) for card in hover_cards), "all cards for the hovered App must expose appLinked visual state")
+require(all("appLinked" not in card.get("visualStates", []) for card in non_hover_cards), "non-hovered App cards must not expose appLinked visual state")
+require(all(card.get("shadowOpacity", 0) >= 0.15 for card in hover_cards), "hovered App cards must float with visible shadow opacity")
+require(all(card.get("shadowRadius", 0) >= 18 for card in hover_cards), "hovered App cards must float with visible shadow radius")
+require(all(card.get("shadowOpacity", 1) <= 0.01 for card in non_hover_cards if "spaceFocused" not in card.get("visualStates", []) and "hover" not in card.get("visualStates", []) and "selected" not in card.get("visualStates", [])), "normal non-hovered cards must not inherit App hover shadow")
+for card in hover_cards:
+    title_fill = card.get("titleBarBackgroundColor", {})
+    require(title_fill.get("alpha", 0) >= 0.16, "hovered App card title bar must get a visible blue fill")
+    for channel in ("red", "green", "blue"):
+        require(
+            abs(title_fill.get(channel, -1) - blue_reference.get(channel, -2)) <= 0.002,
+            f"hovered App card title bar must use the Space Lane blue reference for {channel}"
+        )
+require(all(card.get("titleBarBackgroundColor", {}).get("alpha", 1) <= 0.01 for card in non_hover_cards), "non-hovered App card title bars must stay clear")
 
 print(json.dumps({
     "mode": root.get("waterfallViewMode"),
@@ -170,6 +202,9 @@
     "cardHeight": heights[0],
     "thumbnailHeight": thumbnail_heights[0],
     "cardStep": expected_card_step,
+    "hoveredAppGroupIndex": root.get("hoveredAppGroupIndex"),
+    "hoveredAppLinkedCardCount": len(hover_cards),
+    "hoveredAppTitleBarFill": hover_cards[0].get("titleBarBackgroundColor"),
     "horizontalMasonryScrollOffset": root.get("horizontalMasonryScrollOffset"),
     "horizontalMasonryMaxScrollOffset": root.get("horizontalMasonryMaxScrollOffset")
 }, indent=2, ensure_ascii=False))

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