diff --git a/macos/CHANGELOG.md b/macos/CHANGELOG.md
index 349b5101..64f36775 100644
--- a/macos/CHANGELOG.md
+++ b/macos/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.5.6 — 2026-07-26
+
+### 修复
+
+- 移除覆盖原生标题栏与首页输入区域的绝对定位主题标语，让窗口、导航、分享与设置控件继续使用原生布局和点击区域。
+- 宽幅任务背景继续只绘制在底层画布，主阅读平面改用 240–320px 连续羽化遮罩，不再用硬编码 64% 分段形成左右拼接感。
+- 输入框恢复完整的一像素边界和独立 surface，并清除会截断其表面的容器裁切、mask 与宽幅模式 `border: 0` 覆盖。
+
 ## 1.5.5 — 2026-07-25
 
 ### 修复
diff --git a/macos/VERSION b/macos/VERSION
index 9075be49..eac1e0ad 100644
--- a/macos/VERSION
+++ b/macos/VERSION
@@ -1 +1 @@
-1.5.5
+1.5.6
diff --git a/macos/assets/dream-skin.css b/macos/assets/dream-skin.css
index bd112ec0..96985bc9 100644
--- a/macos/assets/dream-skin.css
+++ b/macos/assets/dream-skin.css
@@ -59,6 +59,16 @@
   --ds-task-immersive-edge: rgb(var(--ds-bg-rgb) / .82);
   --ds-task-immersive-mid: rgb(var(--ds-bg-rgb) / .74);
   --ds-task-immersive-far: rgb(var(--ds-bg-rgb) / .60);
+  /* Wide task routes remain one continuous canvas: artwork stays on the body,
+     while this veil feathers the reading plane into the atmospheric edge. */
+  --ambient-start: 52%;
+  --ambient-feather: clamp(240px, 24vw, 320px);
+  --composer-surface: rgb(var(--ds-panel-rgb) / .94);
+  --reading-veil: linear-gradient(90deg,
+    rgb(var(--ds-panel-rgb) / .96) 0%,
+    rgb(var(--ds-panel-rgb) / .96) var(--ambient-start),
+    rgb(var(--ds-panel-rgb) / .12) calc(var(--ambient-start) + var(--ambient-feather)),
+    rgb(var(--ds-panel-rgb) / .06) 100%);
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"] {
@@ -411,10 +421,11 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
   main.main-surface:not(:has([role="main"])) {
-  background: linear-gradient(90deg,
-    var(--ds-task-immersive-edge),
-    var(--ds-task-immersive-mid) 64%,
-    var(--ds-task-immersive-far)) !important;
+  overflow: visible !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background: var(--reading-veil) !important;
   border: 0 !important;
   border-radius: 0 !important;
   box-shadow: none !important;
@@ -427,13 +438,12 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
   .composer-surface-chrome {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
@@ -532,70 +542,24 @@ html[data-dream-skin="active"][data-dream-shell="light"] [role="main"]:has([data
 }
 
 html[data-dream-skin="active"] main.main-surface > header.app-header-tint {
-  /* Preserve Codex's native fixed header geometry and side-panel controls. */
-  background: rgb(var(--ds-panel-rgb) / .90) !important;
-  border-bottom: 1px solid var(--ds-line) !important;
-  backdrop-filter: blur(14px) saturate(108%) !important;
+  /* Preserve the native flex layout, baselines and hit targets without
+     drawing a theme divider across the titlebar. */
+  background: var(--composer-surface) !important;
+  border: 0 !important;
+  box-shadow: none !important;
+  backdrop-filter: none !important;
 }
 
-/* Decorative chrome lives on the native shell; no injected positioning host is needed. */
+/* Native titlebar controls own the complete toolbar grid and hit targets.
+   Theme identity stays in the artwork and palette, never positioned labels. */
 html[data-dream-skin="active"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before {
-  content: var(--dream-skin-name, "Codex Dream Skin") " · "
-    var(--dream-skin-brand-subtitle, "CODEX DREAM SKIN");
-  position: absolute;
-  left: 22px;
-  top: 4px;
-  z-index: 2;
-  max-width: min(42%, 360px);
-  overflow: hidden;
-  color: var(--ds-accent);
-  font: 800 11px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .03em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 12px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before,
 html[data-dream-skin="active"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after {
-  content: var(--dream-skin-status, "DREAM SKIN ONLINE");
-  position: absolute;
-  right: 84px;
-  top: 13px;
-  z-index: 2;
-  max-width: 28%;
-  overflow: hidden;
-  color: var(--ds-muted);
-  font: 700 9px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .08em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 10px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after,
 html[data-dream-skin="active"]
   main.main-surface:has([role="main"])::after {
-  content: var(--dream-skin-quote, "MAKE SOMETHING WONDERFUL");
-  position: absolute;
-  right: 28px;
-  bottom: 72px;
-  z-index: 2;
-  pointer-events: none;
-  color: rgb(var(--ds-accent-rgb) / .74);
-  font: italic 14px/1.2 "Segoe Print", "Comic Sans MS", cursive;
-  letter-spacing: 0;
-  text-shadow: 0 0 13px rgb(var(--ds-accent-rgb) / .30);
-  transform: rotate(-3deg);
-}
-
-html[data-dream-skin="active"][data-dream-shell="light"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before,
-html[data-dream-skin="active"][data-dream-shell="light"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after {
-  text-shadow: none;
+  content: none !important;
+  display: none !important;
 }
 
 /* Windows keeps this native bar outside main; macOS simply has no match. */
@@ -889,15 +853,32 @@ html[data-dream-skin="active"] [role="main"]:has([data-testid="home-icon"]) .gro
 html[data-dream-skin="active"] [role="main"]:has([data-testid="home-icon"]) .group\/home-suggestions button > span:last-child { align-items: center !important; text-align: center !important; }
 
 html[data-dream-skin="active"] .composer-surface-chrome {
+  position: relative !important;
+  isolation: isolate !important;
+  z-index: 4 !important;
   overflow: visible !important;
-  border: 1px solid rgb(var(--ds-muted-rgb) / .18) !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background-clip: padding-box !important;
+  border: 1px solid var(--ds-line) !important;
   border-radius: 22px !important;
-  background: rgb(var(--ds-panel-rgb) / .94) !important;
+  background: var(--composer-surface) !important;
   box-shadow: 0 10px 28px rgb(var(--ds-bg-rgb) / .24) !important;
-  backdrop-filter: blur(16px) saturate(108%) !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
-html[data-dream-skin="active"] .composer-surface-chrome::before { content: none !important; }
+/* Keep a complete one-pixel boundary even when the native cascade zeroes the
+   composer's own border width. This layer never participates in input. */
+html[data-dream-skin="active"] .composer-surface-chrome::before {
+  content: "" !important;
+  position: absolute !important;
+  inset: 0 !important;
+  z-index: 2 !important;
+  border: 1px solid var(--ds-line) !important;
+  border-radius: inherit !important;
+  pointer-events: none !important;
+}
 
 /* A wide image can carry the home screen too. The native hero remains live,
    but the artwork is painted once on the window instead of repeated in a card. */
@@ -980,13 +961,12 @@ html[data-dream-skin="active"][data-dream-art-wide="true"] main.main-surface:has
 }
 
 html[data-dream-skin="active"][data-dream-art-wide="true"] .composer-surface-chrome {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"][data-dream-art-wide="true"]
diff --git a/macos/assets/renderer-inject.js b/macos/assets/renderer-inject.js
index be799888..7bb91013 100644
--- a/macos/assets/renderer-inject.js
+++ b/macos/assets/renderer-inject.js
@@ -311,11 +311,9 @@
     }
     setStyleProperty(root, "--dream-skin-name", cssString(THEME.name || "Codex Dream Skin"));
     setStyleProperty(root, "--dream-skin-tagline", cssString(THEME.tagline || "Make something wonderful."));
-    setStyleProperty(root, "--dream-skin-quote", cssString(THEME.quote || "MAKE SOMETHING WONDERFUL"));
-    setStyleProperty(root, "--dream-skin-brand-subtitle", cssString(
-      THEME.brandSubtitle || "CODEX DREAM SKIN",
-    ));
-    setStyleProperty(root, "--dream-skin-status", cssString(THEME.statusText || "DREAM SKIN ONLINE"));
+    // Header and lower-chrome slogans were retired because they compete with
+    // native toolbar controls and the composer. Their old variable names stay
+    // in THEME_VARIABLES so reinjection removes values from earlier versions.
     setStyleProperty(root, "--dream-skin-project-prefix", cssString(THEME.projectPrefix || "选择项目 · "));
     setStyleProperty(root, "--dream-skin-project-label", cssString(THEME.projectLabel || "◉  选择项目"));
   };
diff --git a/macos/package.json b/macos/package.json
index f8ebed43..b992b814 100644
--- a/macos/package.json
+++ b/macos/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codex-dream-skin-studio",
-  "version": "1.5.5",
+  "version": "1.5.6",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/macos/scripts/common-macos.sh b/macos/scripts/common-macos.sh
index 32a58da2..921ae633 100755
--- a/macos/scripts/common-macos.sh
+++ b/macos/scripts/common-macos.sh
@@ -29,7 +29,7 @@ CODEX_APP_JOB_LABEL="com.openai.codex-dream-skin-studio.app"
 INJECTOR_JOB_LABEL="com.openai.codex-dream-skin-studio.injector"
 EXPECTED_CODEX_TEAM_ID="2DC432GLL2"
 EXPECTED_CODEX_REQUIREMENT="anchor apple generic and certificate leaf[subject.OU] = \"$EXPECTED_CODEX_TEAM_ID\""
-SKIN_VERSION="1.5.5"
+SKIN_VERSION="1.5.6"
 DREAM_SKIN_VALIDATED_RUNTIME_PID=""
 DREAM_SKIN_VALIDATED_RUNTIME_BUNDLE=""
 DREAM_SKIN_VALIDATED_RUNTIME_EXE=""
diff --git a/macos/scripts/injector.mjs b/macos/scripts/injector.mjs
index 924fe814..cbbbf764 100644
--- a/macos/scripts/injector.mjs
+++ b/macos/scripts/injector.mjs
@@ -42,7 +42,7 @@ const stableTestidLiteral = (testid) => {
   }
   return JSON.stringify(`[data-testid="${testid}"]`);
 };
-const SKIN_VERSION = "1.5.5";
+const SKIN_VERSION = "1.5.6";
 const LOOPBACK_HOSTS = new Set(["127.0.0.1", "localhost", "[::1]"]);
 const CDP_ID_PATTERN = /^[A-Za-z0-9._-]{1,200}$/;
 const MAX_ART_BYTES = 10 * 1024 * 1024;
diff --git a/macos/tests/run-tests.sh b/macos/tests/run-tests.sh
index ca068e6d..bfee73ff 100755
--- a/macos/tests/run-tests.sh
+++ b/macos/tests/run-tests.sh
@@ -82,7 +82,7 @@ UPDATE_JSON="$({
 })"
 "$NODE" -e '
   const value = JSON.parse(process.argv[1]);
-  if (value.currentVersion !== "v1.5.5" || value.latestVersion !== "v9.8.7") process.exit(1);
+  if (value.currentVersion !== "v1.5.6" || value.latestVersion !== "v9.8.7") process.exit(1);
   if (!value.updateAvailable) process.exit(1);
   if (value.releaseUrl !== "https://github.com/Fei-Away/Codex-Dream-Skin/releases/latest") process.exit(1);
 ' "$UPDATE_JSON"
@@ -1063,7 +1063,7 @@ CRLF_BACKUP="$TMP/config-crlf-backup.json"
 "$NODE" "$ROOT/scripts/theme-config.mjs" restore "$CRLF_CONFIG" "$CRLF_BACKUP" >/dev/null
 /usr/bin/cmp -s "$CRLF_CONFIG" "$TMP/original-crlf.toml"
 
-/usr/bin/env -u HOME /bin/bash -c '. "$1/scripts/common-macos.sh"; [ -n "$HOME" ] && [ "$SKIN_VERSION" = "1.5.5" ]' _ "$ROOT"
+/usr/bin/env -u HOME /bin/bash -c '. "$1/scripts/common-macos.sh"; [ -n "$HOME" ] && [ "$SKIN_VERSION" = "1.5.6" ]' _ "$ROOT"
 if [ "${CODEX_DREAM_SKIN_SKIP_DOCTOR:-0}" = "1" ]; then
   printf 'SKIP: Doctor requires an installed, signed Codex app.\n'
   DOCTOR_RESULT="skipped"
diff --git a/runtime/dream-skin.css b/runtime/dream-skin.css
index b2559ffc..4a243094 100644
--- a/runtime/dream-skin.css
+++ b/runtime/dream-skin.css
@@ -59,6 +59,16 @@
   --ds-task-immersive-edge: rgb(var(--ds-bg-rgb) / .82);
   --ds-task-immersive-mid: rgb(var(--ds-bg-rgb) / .74);
   --ds-task-immersive-far: rgb(var(--ds-bg-rgb) / .60);
+  /* Wide task routes remain one continuous canvas: artwork stays on the body,
+     while this veil feathers the reading plane into the atmospheric edge. */
+  --ambient-start: 52%;
+  --ambient-feather: clamp(240px, 24vw, 320px);
+  --composer-surface: rgb(var(--ds-panel-rgb) / .94);
+  --reading-veil: linear-gradient(90deg,
+    rgb(var(--ds-panel-rgb) / .96) 0%,
+    rgb(var(--ds-panel-rgb) / .96) var(--ambient-start),
+    rgb(var(--ds-panel-rgb) / .12) calc(var(--ambient-start) + var(--ambient-feather)),
+    rgb(var(--ds-panel-rgb) / .06) 100%);
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"] {
@@ -411,10 +421,11 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(__DREAM_SELECTOR_SHELL_MAIN__):not(:has(__DREAM_SELECTOR_SHELL_MAIN__ __DREAM_SELECTOR_HOME_ROUTE_CSS__))
   __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) {
-  background: linear-gradient(90deg,
-    var(--ds-task-immersive-edge),
-    var(--ds-task-immersive-mid) 64%,
-    var(--ds-task-immersive-far)) !important;
+  overflow: visible !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background: var(--reading-veil) !important;
   border: 0 !important;
   border-radius: 0 !important;
   box-shadow: none !important;
@@ -427,13 +438,12 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(__DREAM_SELECTOR_SHELL_MAIN__):not(:has(__DREAM_SELECTOR_SHELL_MAIN__ __DREAM_SELECTOR_HOME_ROUTE_CSS__))
   __DREAM_SELECTOR_COMPOSER_CHROME__ {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(__DREAM_SELECTOR_SHELL_MAIN__):not(:has(__DREAM_SELECTOR_SHELL_MAIN__ __DREAM_SELECTOR_HOME_ROUTE_CSS__))
@@ -532,70 +542,24 @@ html[data-dream-skin="active"][data-dream-shell="light"] __DREAM_SELECTOR_HOME_R
 }
 
 html[data-dream-skin="active"] __DREAM_SELECTOR_SHELL_MAIN__ > __DREAM_SELECTOR_HEADER_TINT__ {
-  /* Preserve Codex's native fixed header geometry and side-panel controls. */
-  background: rgb(var(--ds-panel-rgb) / .90) !important;
-  border-bottom: 1px solid var(--ds-line) !important;
-  backdrop-filter: blur(14px) saturate(108%) !important;
+  /* Preserve the native flex layout, baselines and hit targets without
+     drawing a theme divider across the titlebar. */
+  background: var(--composer-surface) !important;
+  border: 0 !important;
+  box-shadow: none !important;
+  backdrop-filter: none !important;
 }
 
-/* Decorative chrome lives on the native shell; no injected positioning host is needed. */
+/* Native titlebar controls own the complete toolbar grid and hit targets.
+   Theme identity stays in the artwork and palette, never positioned labels. */
 html[data-dream-skin="active"]
-  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::before {
-  content: var(--dream-skin-name, "Codex Dream Skin") " · "
-    var(--dream-skin-brand-subtitle, "CODEX DREAM SKIN");
-  position: absolute;
-  left: 22px;
-  top: 4px;
-  z-index: 2;
-  max-width: min(42%, 360px);
-  overflow: hidden;
-  color: var(--ds-accent);
-  font: 800 11px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .03em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 12px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::before,
 html[data-dream-skin="active"]
-  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::after {
-  content: var(--dream-skin-status, "DREAM SKIN ONLINE");
-  position: absolute;
-  right: 84px;
-  top: 13px;
-  z-index: 2;
-  max-width: 28%;
-  overflow: hidden;
-  color: var(--ds-muted);
-  font: 700 9px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .08em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 10px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::after,
 html[data-dream-skin="active"]
   __DREAM_SELECTOR_SHELL_MAIN__:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)::after {
-  content: var(--dream-skin-quote, "MAKE SOMETHING WONDERFUL");
-  position: absolute;
-  right: 28px;
-  bottom: 72px;
-  z-index: 2;
-  pointer-events: none;
-  color: rgb(var(--ds-accent-rgb) / .74);
-  font: italic 14px/1.2 "Segoe Print", "Comic Sans MS", cursive;
-  letter-spacing: 0;
-  text-shadow: 0 0 13px rgb(var(--ds-accent-rgb) / .30);
-  transform: rotate(-3deg);
-}
-
-html[data-dream-skin="active"][data-dream-shell="light"]
-  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::before,
-html[data-dream-skin="active"][data-dream-shell="light"]
-  __DREAM_SELECTOR_SHELL_MAIN__:not(:has(__DREAM_SELECTOR_HOME_ROUTE_CSS__)) > __DREAM_SELECTOR_HEADER_TINT__::after {
-  text-shadow: none;
+  content: none !important;
+  display: none !important;
 }
 
 /* Windows keeps this native bar outside main; macOS simply has no match. */
@@ -889,15 +853,32 @@ html[data-dream-skin="active"] __DREAM_SELECTOR_HOME_ROUTE__ __DREAM_SELECTOR_HO
 html[data-dream-skin="active"] __DREAM_SELECTOR_HOME_ROUTE__ __DREAM_SELECTOR_HOME_SUGGESTIONS__ button > span:last-child { align-items: center !important; text-align: center !important; }
 
 html[data-dream-skin="active"] __DREAM_SELECTOR_COMPOSER_CHROME__ {
+  position: relative !important;
+  isolation: isolate !important;
+  z-index: 4 !important;
   overflow: visible !important;
-  border: 1px solid rgb(var(--ds-muted-rgb) / .18) !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background-clip: padding-box !important;
+  border: 1px solid var(--ds-line) !important;
   border-radius: 22px !important;
-  background: rgb(var(--ds-panel-rgb) / .94) !important;
+  background: var(--composer-surface) !important;
   box-shadow: 0 10px 28px rgb(var(--ds-bg-rgb) / .24) !important;
-  backdrop-filter: blur(16px) saturate(108%) !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
-html[data-dream-skin="active"] __DREAM_SELECTOR_COMPOSER_CHROME__::before { content: none !important; }
+/* Keep a complete one-pixel boundary even when the native cascade zeroes the
+   composer's own border width. This layer never participates in input. */
+html[data-dream-skin="active"] __DREAM_SELECTOR_COMPOSER_CHROME__::before {
+  content: "" !important;
+  position: absolute !important;
+  inset: 0 !important;
+  z-index: 2 !important;
+  border: 1px solid var(--ds-line) !important;
+  border-radius: inherit !important;
+  pointer-events: none !important;
+}
 
 /* A wide image can carry the home screen too. The native hero remains live,
    but the artwork is painted once on the window instead of repeated in a card. */
@@ -980,13 +961,12 @@ html[data-dream-skin="active"][data-dream-art-wide="true"] __DREAM_SELECTOR_SHEL
 }
 
 html[data-dream-skin="active"][data-dream-art-wide="true"] __DREAM_SELECTOR_COMPOSER_CHROME__ {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"][data-dream-art-wide="true"]
diff --git a/runtime/renderer-inject.js b/runtime/renderer-inject.js
index 4066c711..0ec08e42 100644
--- a/runtime/renderer-inject.js
+++ b/runtime/renderer-inject.js
@@ -311,11 +311,9 @@
     }
     setStyleProperty(root, "--dream-skin-name", cssString(THEME.name || "Codex Dream Skin"));
     setStyleProperty(root, "--dream-skin-tagline", cssString(THEME.tagline || "Make something wonderful."));
-    setStyleProperty(root, "--dream-skin-quote", cssString(THEME.quote || "MAKE SOMETHING WONDERFUL"));
-    setStyleProperty(root, "--dream-skin-brand-subtitle", cssString(
-      THEME.brandSubtitle || "CODEX DREAM SKIN",
-    ));
-    setStyleProperty(root, "--dream-skin-status", cssString(THEME.statusText || "DREAM SKIN ONLINE"));
+    // Header and lower-chrome slogans were retired because they compete with
+    // native toolbar controls and the composer. Their old variable names stay
+    // in THEME_VARIABLES so reinjection removes values from earlier versions.
     setStyleProperty(root, "--dream-skin-project-prefix", cssString(THEME.projectPrefix || "选择项目 · "));
     setStyleProperty(root, "--dream-skin-project-label", cssString(THEME.projectLabel || "◉  选择项目"));
   };
diff --git a/tools/renderer-runtime.test.mjs b/tools/renderer-runtime.test.mjs
index c0492567..6e762ff9 100644
--- a/tools/renderer-runtime.test.mjs
+++ b/tools/renderer-runtime.test.mjs
@@ -258,9 +258,36 @@ export async function runRendererRuntimeTest(assetRoot) {
   assert.match(css, /main\.main-surface:has\(\[role="main"\]\)/);
   assert.match(css, /main\.main-surface:not\(:has\(\[role="main"\]\)\)/);
   assert.doesNotMatch(css, /:has\([^()]*:has\(/);
-  assert.match(css, /content:\s*var\(--dream-skin-name[\s\S]{0,180}var\(--dream-skin-brand-subtitle/);
-  assert.match(css, /content:\s*var\(--dream-skin-status/);
-  assert.match(css, /content:\s*var\(--dream-skin-quote/);
+  assert.doesNotMatch(css,
+    /content:\s*var\(--dream-skin-(?:chrome-mark|brand-subtitle|status|quote)/,
+    "Theme slogans must not be painted over native chrome.");
+  assert.doesNotMatch(template,
+    /setStyleProperty\(root,\s*"--dream-skin-(?:brand-subtitle|status|quote)"/,
+    "Retired chrome slogans must not be populated by the renderer.");
+  assert.match(css,
+    /--ambient-start:\s*52%[\s\S]*?--ambient-feather:\s*clamp\(240px,\s*24vw,\s*320px\)[\s\S]*?--composer-surface:[\s\S]*?--reading-veil:\s*linear-gradient/);
+  assert.match(css,
+    /data-dream-task-mode="ambient"[\s\S]*?main\.main-surface:not\(:has\(\[role="main"\]\)\)\s*\{[\s\S]*?overflow:\s*visible\s*!important[\s\S]*?clip-path:\s*none\s*!important[\s\S]*?mask-image:\s*none\s*!important[\s\S]*?background:\s*var\(--reading-veil\)\s*!important/,
+    "Wide ambient tasks must feather one body artwork layer through a continuous main canvas.");
+  assert.match(css,
+    /header\.app-header-tint\s*\{[\s\S]*?background:\s*var\(--composer-surface\)\s*!important[\s\S]*?border:\s*0\s*!important[\s\S]*?box-shadow:\s*none\s*!important/,
+    "The theme must not draw a divider across the native toolbar.");
+  assert.match(css,
+    /composer-surface-chrome\s*\{[\s\S]{0,260}?isolation:\s*isolate\s*!important[\s\S]{0,180}?overflow:\s*visible\s*!important[\s\S]{0,220}?clip-path:\s*none\s*!important[\s\S]{0,220}?mask-image:\s*none\s*!important[\s\S]{0,220}?background:\s*var\(--composer-surface\)\s*!important/,
+    "The composer must stay one complete surface above atmospheric layers.");
+  assert.match(css,
+    /composer-surface-chrome::before\s*\{[\s\S]*?border:\s*1px solid var\(--ds-line\)[\s\S]*?pointer-events:\s*none\s*!important/,
+    "The composer boundary must remain complete without intercepting input.");
+  const threadSurfaceBlocks = [...css.matchAll(
+    /([^{}]*\.thread-scroll-container[^{}]*)\{([^{}]*)\}/g,
+  )];
+  for (const [, selector, declarations] of threadSurfaceBlocks) {
+    assert.doesNotMatch(
+      declarations,
+      /(?:^|\n)\s*(?:overflow(?:-[xy])?|clip-path|(?:-webkit-)?mask(?:-image)?)\s*:/,
+      `The skin must not override native scrolling or clipping on ${selector.trim()}.`,
+    );
+  }
   assert.match(css, /--ds-task-full-veil/);
   assert.match(css, /data-dream-task-mode="full"/);
   assert.match(css, /background-image:\s*var\(--ds-task-full-veil\),\s*var\(--dream-skin-art\)/);
@@ -281,8 +308,9 @@ export async function runRendererRuntimeTest(assetRoot) {
   assert.equal(home.document.adoptedStyleSheets.length, 1);
   assert.equal(state.scope.baseState, "home");
   assert.equal(state.scope.level, "L1");
-  assert.equal(home.rootStyle.values.get("--dream-skin-brand-subtitle"), '"CODEX DREAM SKIN"');
-  assert.equal(home.rootStyle.values.get("--dream-skin-status"), '"DREAM SKIN ONLINE"');
+  assert.equal(home.rootStyle.values.has("--dream-skin-brand-subtitle"), false);
+  assert.equal(home.rootStyle.values.has("--dream-skin-status"), false);
+  assert.equal(home.rootStyle.values.has("--dream-skin-quote"), false);
   assert.equal(home.rootStyle.values.get("--ds-theme-surface-radius"), "12px");
   assert.equal(home.rootStyle.values.get("--ds-theme-surface-opacity"), "1");
   assert.equal(home.rootStyle.values.get("--ds-theme-surface-blur"), "0px");
diff --git a/windows/VERSION b/windows/VERSION
index 9075be49..eac1e0ad 100644
--- a/windows/VERSION
+++ b/windows/VERSION
@@ -1 +1 @@
-1.5.5
+1.5.6
diff --git a/windows/assets/dream-skin.css b/windows/assets/dream-skin.css
index bd112ec0..96985bc9 100644
--- a/windows/assets/dream-skin.css
+++ b/windows/assets/dream-skin.css
@@ -59,6 +59,16 @@
   --ds-task-immersive-edge: rgb(var(--ds-bg-rgb) / .82);
   --ds-task-immersive-mid: rgb(var(--ds-bg-rgb) / .74);
   --ds-task-immersive-far: rgb(var(--ds-bg-rgb) / .60);
+  /* Wide task routes remain one continuous canvas: artwork stays on the body,
+     while this veil feathers the reading plane into the atmospheric edge. */
+  --ambient-start: 52%;
+  --ambient-feather: clamp(240px, 24vw, 320px);
+  --composer-surface: rgb(var(--ds-panel-rgb) / .94);
+  --reading-veil: linear-gradient(90deg,
+    rgb(var(--ds-panel-rgb) / .96) 0%,
+    rgb(var(--ds-panel-rgb) / .96) var(--ambient-start),
+    rgb(var(--ds-panel-rgb) / .12) calc(var(--ambient-start) + var(--ambient-feather)),
+    rgb(var(--ds-panel-rgb) / .06) 100%);
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"] {
@@ -411,10 +421,11 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
   main.main-surface:not(:has([role="main"])) {
-  background: linear-gradient(90deg,
-    var(--ds-task-immersive-edge),
-    var(--ds-task-immersive-mid) 64%,
-    var(--ds-task-immersive-far)) !important;
+  overflow: visible !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background: var(--reading-veil) !important;
   border: 0 !important;
   border-radius: 0 !important;
   box-shadow: none !important;
@@ -427,13 +438,12 @@ html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
   .composer-surface-chrome {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"]:is([data-dream-task-mode="ambient"], [data-dream-art-task-mode="ambient"], [data-dream-task-mode="banner"], [data-dream-art-task-mode="banner"])[data-dream-art-wide="true"]:has(main.main-surface):not(:has(main.main-surface [role="main"]))
@@ -532,70 +542,24 @@ html[data-dream-skin="active"][data-dream-shell="light"] [role="main"]:has([data
 }
 
 html[data-dream-skin="active"] main.main-surface > header.app-header-tint {
-  /* Preserve Codex's native fixed header geometry and side-panel controls. */
-  background: rgb(var(--ds-panel-rgb) / .90) !important;
-  border-bottom: 1px solid var(--ds-line) !important;
-  backdrop-filter: blur(14px) saturate(108%) !important;
+  /* Preserve the native flex layout, baselines and hit targets without
+     drawing a theme divider across the titlebar. */
+  background: var(--composer-surface) !important;
+  border: 0 !important;
+  box-shadow: none !important;
+  backdrop-filter: none !important;
 }
 
-/* Decorative chrome lives on the native shell; no injected positioning host is needed. */
+/* Native titlebar controls own the complete toolbar grid and hit targets.
+   Theme identity stays in the artwork and palette, never positioned labels. */
 html[data-dream-skin="active"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before {
-  content: var(--dream-skin-name, "Codex Dream Skin") " · "
-    var(--dream-skin-brand-subtitle, "CODEX DREAM SKIN");
-  position: absolute;
-  left: 22px;
-  top: 4px;
-  z-index: 2;
-  max-width: min(42%, 360px);
-  overflow: hidden;
-  color: var(--ds-accent);
-  font: 800 11px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .03em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 12px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before,
 html[data-dream-skin="active"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after {
-  content: var(--dream-skin-status, "DREAM SKIN ONLINE");
-  position: absolute;
-  right: 84px;
-  top: 13px;
-  z-index: 2;
-  max-width: 28%;
-  overflow: hidden;
-  color: var(--ds-muted);
-  font: 700 9px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  letter-spacing: .08em;
-  text-overflow: ellipsis;
-  text-shadow: 0 1px 10px rgb(var(--ds-bg-rgb) / .32);
-  white-space: nowrap;
-  pointer-events: none;
-}
-
+  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after,
 html[data-dream-skin="active"]
   main.main-surface:has([role="main"])::after {
-  content: var(--dream-skin-quote, "MAKE SOMETHING WONDERFUL");
-  position: absolute;
-  right: 28px;
-  bottom: 72px;
-  z-index: 2;
-  pointer-events: none;
-  color: rgb(var(--ds-accent-rgb) / .74);
-  font: italic 14px/1.2 "Segoe Print", "Comic Sans MS", cursive;
-  letter-spacing: 0;
-  text-shadow: 0 0 13px rgb(var(--ds-accent-rgb) / .30);
-  transform: rotate(-3deg);
-}
-
-html[data-dream-skin="active"][data-dream-shell="light"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::before,
-html[data-dream-skin="active"][data-dream-shell="light"]
-  main.main-surface:not(:has([role="main"])) > header.app-header-tint::after {
-  text-shadow: none;
+  content: none !important;
+  display: none !important;
 }
 
 /* Windows keeps this native bar outside main; macOS simply has no match. */
@@ -889,15 +853,32 @@ html[data-dream-skin="active"] [role="main"]:has([data-testid="home-icon"]) .gro
 html[data-dream-skin="active"] [role="main"]:has([data-testid="home-icon"]) .group\/home-suggestions button > span:last-child { align-items: center !important; text-align: center !important; }
 
 html[data-dream-skin="active"] .composer-surface-chrome {
+  position: relative !important;
+  isolation: isolate !important;
+  z-index: 4 !important;
   overflow: visible !important;
-  border: 1px solid rgb(var(--ds-muted-rgb) / .18) !important;
+  clip-path: none !important;
+  -webkit-mask-image: none !important;
+  mask-image: none !important;
+  background-clip: padding-box !important;
+  border: 1px solid var(--ds-line) !important;
   border-radius: 22px !important;
-  background: rgb(var(--ds-panel-rgb) / .94) !important;
+  background: var(--composer-surface) !important;
   box-shadow: 0 10px 28px rgb(var(--ds-bg-rgb) / .24) !important;
-  backdrop-filter: blur(16px) saturate(108%) !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
-html[data-dream-skin="active"] .composer-surface-chrome::before { content: none !important; }
+/* Keep a complete one-pixel boundary even when the native cascade zeroes the
+   composer's own border width. This layer never participates in input. */
+html[data-dream-skin="active"] .composer-surface-chrome::before {
+  content: "" !important;
+  position: absolute !important;
+  inset: 0 !important;
+  z-index: 2 !important;
+  border: 1px solid var(--ds-line) !important;
+  border-radius: inherit !important;
+  pointer-events: none !important;
+}
 
 /* A wide image can carry the home screen too. The native hero remains live,
    but the artwork is painted once on the window instead of repeated in a card. */
@@ -980,13 +961,12 @@ html[data-dream-skin="active"][data-dream-art-wide="true"] main.main-surface:has
 }
 
 html[data-dream-skin="active"][data-dream-art-wide="true"] .composer-surface-chrome {
-  background: var(--ds-immersive-composer-solid) !important;
-  border: 0 !important;
+  background: var(--composer-surface) !important;
+  border: 1px solid var(--ds-line) !important;
   box-shadow:
     0 10px 30px rgb(var(--ds-bg-rgb) / .20),
-    inset 0 0 0 1px var(--ds-immersive-line),
     inset 0 1px rgb(var(--ds-text-rgb) / .12) !important;
-  backdrop-filter: none !important;
+  backdrop-filter: blur(18px) saturate(108%) !important;
 }
 
 html[data-dream-skin="active"][data-dream-shell="light"][data-dream-art-wide="true"]
diff --git a/windows/assets/renderer-inject.js b/windows/assets/renderer-inject.js
index be799888..7bb91013 100644
--- a/windows/assets/renderer-inject.js
+++ b/windows/assets/renderer-inject.js
@@ -311,11 +311,9 @@
     }
     setStyleProperty(root, "--dream-skin-name", cssString(THEME.name || "Codex Dream Skin"));
     setStyleProperty(root, "--dream-skin-tagline", cssString(THEME.tagline || "Make something wonderful."));
-    setStyleProperty(root, "--dream-skin-quote", cssString(THEME.quote || "MAKE SOMETHING WONDERFUL"));
-    setStyleProperty(root, "--dream-skin-brand-subtitle", cssString(
-      THEME.brandSubtitle || "CODEX DREAM SKIN",
-    ));
-    setStyleProperty(root, "--dream-skin-status", cssString(THEME.statusText || "DREAM SKIN ONLINE"));
+    // Header and lower-chrome slogans were retired because they compete with
+    // native toolbar controls and the composer. Their old variable names stay
+    // in THEME_VARIABLES so reinjection removes values from earlier versions.
     setStyleProperty(root, "--dream-skin-project-prefix", cssString(THEME.projectPrefix || "选择项目 · "));
     setStyleProperty(root, "--dream-skin-project-label", cssString(THEME.projectLabel || "◉  选择项目"));
   };
diff --git a/windows/scripts/injector.mjs b/windows/scripts/injector.mjs
index ebedabf7..bf04480f 100644
--- a/windows/scripts/injector.mjs
+++ b/windows/scripts/injector.mjs
@@ -39,7 +39,7 @@ const stableTestidLiteral = (testid) => {
   }
   return JSON.stringify(`[data-testid="${testid}"]`);
 };
-const SKIN_VERSION = "1.5.5";
+const SKIN_VERSION = "1.5.6";
 const MAX_ART_BYTES = 10 * 1024 * 1024;
 const MAX_SAFE_CSS_BYTES = 256 * 1024;
 const STRONG_THEME_AUDIT_MS = 30000;
diff --git a/windows/tests/injector-window-readiness.test.mjs b/windows/tests/injector-window-readiness.test.mjs
index 4a691b11..39cd8914 100644
--- a/windows/tests/injector-window-readiness.test.mjs
+++ b/windows/tests/injector-window-readiness.test.mjs
@@ -83,7 +83,7 @@ function makeDomFixture({
   };
   const window = {
     __CODEX_DREAM_SKIN_STATE__: {
-      version: "1.5.5",
+      version: "1.5.6",
       themeId: "fixture-theme",
       revision: "fixture-revision",
       styleMode: "style",