Add window blur, organize Settings, and reduce launcher memory

docs/configuration/appearance.md

@@ -29,6 +29,7 @@ one appearance.
 | `appearance.focus-effect.enabled` | boolean | `true` | Apply window opacity and dimming; disabling preserves the saved settings |
 | `appearance.focus-effect.active-opacity` | number 0–1 | `1` | Active application opacity, including fullscreen |
 | `appearance.focus-effect.inactive-opacity` | number 0–1 | `1` | Other application window opacity |
+| `appearance.focus-effect.blur` | boolean | `true` | Blur behind translucent application windows using the shared blur radius |
 | `appearance.focus-effect.inactive-dim` | number 0–1 | `0` | Darkening strength for inactive windows; 0 disables |
 | `appearance.focus-effect.duration-ms` | number ≥ 0 | `150` | Shared opacity and dimming transition; 0 snaps |
 | `theme.typography.font-family` | string | `"Inter"` | Shell, Settings and overview font |
@@ -47,6 +48,10 @@ opacity still follows activation; dimming fades out as overview opens. Fullscree
 windows use the same opacity settings. Opening and closing fades multiply window
 opacity. Reduced motion disables the focus transition.
 
+**Window blur** in Settings controls blur behind both active and inactive windows.
+It uses `theme.material.blur-radius` independently of the shell material style.
+Fully opaque or invisible windows skip blur. Reduced transparency disables it.
+
 Settings → Wallpaper shows the current image and both bundled defaults. Use
 **Apply to** to change both modes or just one. **Match appearance** restores the
 bundled light and dark pair. Custom images can also be selected separately in KDL:
@@ -105,11 +110,16 @@ the automatic gradient. Inactive window borders derive their gradient from the
 border color and keep its transparency.
 Automatic accent endpoints are adjusted for contrast against the theme's surfaces.
 
-In Settings → Appearance, choose **Gradient** or **Solid** for **Accent style**
-and **Inactive border style**. In KDL, `theme.focus-ring.style` and
+In Settings → Appearance, **Accent style** controls the gradient used by focus
+borders and selected shell controls. Settings → Windows contains **Inactive
+border style** and **Focus border**. Accent style and inactive border style
+offer **Gradient** or **Solid**. In KDL, `theme.focus-ring.style` and
 `theme.border.style` accept `"auto"` (default) or `"solid"`. Solid disables the
 gradient, including any explicit endpoints, without deleting them from the config.
 
+Shell surface style, opacity and corner radius are in Settings → Panel & Shell.
+**Background blur** in Appearance sets the blur radius for shell surfaces and windows.
+
 For custom endpoints, set `theme.focus-ring.gradient` or `theme.border.gradient`.
 Both require `from` and `to` colors; `angle` is optional and defaults to `0`.
 Angles are clockwise: 0 is left-to-right, 90 top-to-bottom. Explicit gradients

docs/configuration/session-protocols.md

@@ -12,7 +12,7 @@ environment for screenshots to work.
 Text input is available by default; Ctrl+Alt+Escape releases an active shortcut
 inhibitor. Use `feresectl --help` for runtime control commands.
 
-Shell rounding is controlled in Settings → Appearance → Shell corner radius.
+Shell rounding is controlled in Settings → Panel & Shell → Shell corner radius.
 The shell and compositor use the same squircle profile for fills, borders, shadows
 and blur masks. Small controls cap the radius to fit their size; circles and pills
 keep circular outlines. The measured profile has small tangent and curvature

docs/panel-configuration.md

@@ -255,7 +255,7 @@ Notifications or Controls view. Escape or the close button collapses it.
 
 With an Activities item configured, running tasks can occupy the collapsed and
 peek states, and the hub gains an Activities tab. **Visible activities** and
-**Show activity count** in Appearance control its compact slots and `+n` badge;
+**Show activity count** in Panel & Shell control its compact slots and `+n` badge;
 see [Activities configuration](configuration/activities.md).
 
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