feat(迭代25): UI 全局主题批 T0-T2——全局主题资源挂载+两处局部做法退役+冒烟 V1-V6 断言

- T0: game/assets/theme/main_theme.tres 挂 project.godot gui/theme/custom—— 15 类型全覆盖（V/HScrollBar·ScrollContainer·H/VSlider·TooltipPanel/Label· LineEdit·SpinBox·H/VSeparator）+预盖 CheckBox/CheckButton/OptionButton/ PopupMenu 弹层；default_font 显式指现役同字体（V6 中文字形防御）；位图生成脚本 tools/gen_theme_icons.py（9 张纯色/几何小位图→assets/art/ui/gen/，按 .gitignore 政策本地生成不入库）；色值溯源表 game/assets/theme/README.md - T1: ui_kit.gd 删 tooltip_theme()/_tip_theme 与 styled_slider()、ui_assembler.gd 删挂载行（旧实现同批删除）；settings_overlay 几何内联、debug_overlay 双轨消隐 - T2: 冒烟 _smoke_global_theme() 38 断言（V1 类型覆盖+Button/focus 双红线+ V2 冻结值 5.49:1+V3 预盖证词+V4 退役零残留+V6 字体防御） - 引擎事实（4.7.2 源码+默认主题链双查）：CheckButton 与 CheckBox 同套 checked/unchecked 图标名；Slider 无 grabber_pressed 槽；ScrollBar 柄=StyleBox
2026-10-13 21:39:01 +08:00
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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""UI 全局主题批小位图生成脚本（迭代 25 T0，2026-10-13）。
+
+产出（→ game/assets/art/ui/gen/，纯色/几何、像素风）：
+  slider_grabber.png            滑轨柄·常   12×12 CANDLE #F6C667 + PANEL_BORDER #786E58 1px 描边
+  slider_grabber_highlight.png  滑轨柄·悬   12×12 CANDLE 提亮档(lightened≈12%) + 同描边
+  slider_grabber_disabled.png   滑轨柄·废   12×12 STONE_DEEP #554D41 + 同描边
+  spinbox_updown.png            SpinBox 箭头 16×16 INK #33261B ▲▼ 合一（Godot 4 SpinBox 走 updown 合并图标槽）
+  option_arrow.png              OptionButton 箭头 8×8 INK 向下三角
+  checkbox_unchecked.png            勾选框·空 14×14 PANEL_DATA #E9D9B8 + PANEL_BORDER 边
+  checkbox_checked.png              勾选框·选 14×14 同底边 + INK 对勾
+  checkbox_unchecked_disabled.png   勾选框·空·废 14×14 同底 + STONE_DEEP 边
+  checkbox_checked_disabled.png     勾选框·选·废 14×14 同底边 + STONE_DEEP 对勾
+
+色值全部取自 game/presentation/views/ui_kit.gd 既有常量（溯源表见 game/assets/theme/README.md）——
+不新增美术素材、不动美术圣经 §7（迭代 25 契约）。滚动条柄不走位图：Godot 4 ScrollBar 的
+grabber 是 StyleBox（非 Icon），纯色 StyleBoxFlat 直接承载（见 main_theme.tres）。
+
+♻ 可重跑：本脚本幂等，重复执行覆盖产出；改色值只改本脚本顶部常量后重跑 + 重导。
+用法: python tools/gen_theme_icons.py
+"""
+import os
+
+from PIL import Image
+
+ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+OUT = os.path.join(ROOT, "game", "assets", "art", "ui", "gen")
+
+# ── 色值（↔ ui_kit.gd 常量，冻结）────────────────────────────────────────────
+INK = (51, 38, 27)            # INK #33261B
+PANEL_DATA = (233, 217, 184)  # PANEL_DATA #E9D9B8
+PANEL_BORDER = (120, 110, 88)  # PANEL_BORDER #786E58
+STONE_DEEP = (85, 77, 65)     # STONE_DEEP #554D41
+CANDLE = (246, 198, 103)      # CANDLE #F6C667
+
+
+def lighten(c, amount=0.12):
+    """复刻 Godot Color.lightened：每通道 + (255-通道)×amount（sRGB 存储值域）"""
+    return tuple(min(255, round(v + (255 - v) * amount)) for v in c)
+
+
+def save(img, name):
+    path = os.path.join(OUT, name)
+    img.save(path)
+    print("wrote %s (%dx%d)" % (name, img.width, img.height))
+
+
+def slider_grabber(fill):
+    """12×12 方柄：fill 实心 + PANEL_BORDER 1px 描边"""
+    img = Image.new("RGBA", (12, 12), (0, 0, 0, 0))
+    for x in range(12):
+        for y in range(12):
+            edge = x in (0, 11) or y in (0, 11)
+            img.putpixel((x, y), PANEL_BORDER + (255,) if edge else fill + (255,))
+    return img
+
+
+def spinbox_updown():
+    """16×16 ▲▼ 合一：上三角 y2-7、下三角 y9-14，各宽 12（INK）"""
+    img = Image.new("RGBA", (16, 16), (0, 0, 0, 0))
+    # 上三角：顶行中心 2px（x7-8），第 6 行满宽 x2-13
+    for row in range(6):
+        half = 1 + row  # 第 row 行左右各扩 1
+        for x in range(8 - half, 8 + half):
+            img.putpixel((x, 2 + row), INK + (255,))
+    # 下三角：镜像（第 row 行满宽在底）
+    for row in range(6):
+        half = 6 - row
+        for x in range(8 - half, 8 + half):
+            img.putpixel((x, 9 + row), INK + (255,))
+    return img
+
+
+def option_arrow():
+    """8×8 向下三角（OptionButton 箭头）"""
+    img = Image.new("RGBA", (8, 8), (0, 0, 0, 0))
+    for row in range(5):
+        half = row + 1
+        for x in range(4 - half, 4 + half - 1):
+            img.putpixel((x, 1 + row), INK + (255,))
+    return img
+
+
+def checkbox(border, mark):
+    """14×14 勾选框：PANEL_DATA 底 + 1px 边；mark 非 None 时画 2px 对勾"""
+    img = Image.new("RGBA", (14, 14), (0, 0, 0, 0))
+    for x in range(14):
+        for y in range(14):
+            edge = x in (0, 13) or y in (0, 13)
+            img.putpixel((x, y), border + (255,) if edge else PANEL_DATA + (255,))
+    if mark is not None:
+        # 对勾：(3,7)→(6,10)→(11,3)，2px 粗（内区 1..12）
+        seg = [(3, 7), (4, 7), (4, 8), (5, 8), (5, 9), (6, 9),
+               (6, 10), (7, 10), (7, 11), (8, 11), (8, 10), (9, 10),
+               (9, 9), (10, 9), (10, 8), (11, 8),
+               (11, 7), (10, 7), (10, 6), (9, 6), (9, 5), (8, 5),
+               (8, 4), (7, 4), (7, 3), (6, 3)]
+        for (x, y) in seg:
+            if 1 <= x <= 12 and 1 <= y <= 12:
+                img.putpixel((x, y), mark + (255,))
+    return img
+
+
+def main():
+    os.makedirs(OUT, exist_ok=True)
+    save(slider_grabber(CANDLE), "slider_grabber.png")
+    save(slider_grabber(lighten(CANDLE)), "slider_grabber_highlight.png")
+    save(slider_grabber(STONE_DEEP), "slider_grabber_disabled.png")
+    save(spinbox_updown(), "spinbox_updown.png")
+    save(option_arrow(), "option_arrow.png")
+    save(checkbox(PANEL_BORDER, None), "checkbox_unchecked.png")
+    save(checkbox(PANEL_BORDER, INK), "checkbox_checked.png")
+    save(checkbox(STONE_DEEP, None), "checkbox_unchecked_disabled.png")
+    save(checkbox(STONE_DEEP, STONE_DEEP), "checkbox_checked_disabled.png")
+    print("done → %s" % OUT)
+
+
+if __name__ == "__main__":
+    main()