docs(web): reflect AccentPalette / all-profile theme + BackInfo bg fix

- spec step-04: AccentPalette + Custom mode note, theme applied across Default
  hive / HKCU / HKU\.DEFAULT.
- spec step-07: BackInfo background #223B47 via BackgroundColor=2243399 (RGB).
- descriptions.json: update 04 accent item; add 07 background item.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

assets/Backinfo/BackInfo.ini

@@ -56,8 +56,9 @@
 ;;
 
 [General]
-; #223B47 in COLORREF (0x00BBGGRR): R=34 G=59 B=71 = 71*65536 + 59*256 + 34 = 4668194
+; #223B47 read as 0xRRGGBB decimal: BackInfo uses RGB order here (NOT COLORREF/BGR),
-BackgroundColor = 4668194
+; so 0x223B47 = 2243399. The previous BGR value (4668194) rendered with R/B swapped.
+BackgroundColor = 2243399
 ; AutoBackground=0: do NOT read live desktop color - unreliable during deployment
 ; (live session may not yet reflect the registry background color change)
 AutoBackground = 0

scripts/04-default-profile.ps1

@@ -104,8 +104,35 @@ function Set-ProfileReg {
     }
 }
 
-# Accent color #223B47 stored as ABGR DWORD: 0xFF473B22
+# Accent color #223B47 (R=34 G=59 B=71) stored as ABGR DWORD: 0xFF473B22
 $AccentColorABGR = 0xFF473B22
+$AccentR = 0x22; $AccentG = 0x3B; $AccentB = 0x47
+
+# Build the 8-shade AccentPalette that Settings writes under Explorer\Accent.
+# Without it Win11 ignores the custom accent on Start/taskbar and falls back to
+# the default - the root cause of "colors not applied everywhere". Layout:
+# Light3, Light2, Light1, Accent(base, index 3), Dark1..Dark4. Each entry RGBA.
+function Get-AccentPalette {
+    param([int]$R, [int]$G, [int]$B)
+    $tints  = @(0.70, 0.45, 0.20)              # light3 (lightest) -> light1
+    $shades = @(0.25, 0.45, 0.65, 0.85)        # dark1 -> dark4
+    $bytes  = New-Object System.Collections.Generic.List[byte]
+    foreach ($t in $tints) {
+        $bytes.Add([byte][math]::Round($R + (255 - $R) * $t))
+        $bytes.Add([byte][math]::Round($G + (255 - $G) * $t))
+        $bytes.Add([byte][math]::Round($B + (255 - $B) * $t))
+        $bytes.Add(0xFF)
+    }
+    $bytes.Add([byte]$R); $bytes.Add([byte]$G); $bytes.Add([byte]$B); $bytes.Add(0xFF)  # base accent
+    foreach ($s in $shades) {
+        $bytes.Add([byte][math]::Round($R * (1 - $s)))
+        $bytes.Add([byte][math]::Round($G * (1 - $s)))
+        $bytes.Add([byte][math]::Round($B * (1 - $s)))
+        $bytes.Add(0xFF)
+    }
+    return ,([byte[]]$bytes.ToArray())
+}
+$AccentPalette = Get-AccentPalette $AccentR $AccentG $AccentB
 
 # -----------------------------------------------------------------------
 # Load Default profile hive
@@ -331,6 +358,11 @@ $pinList
     Set-ProfileReg -SubKey "Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" `
                    -Name "StartColorMenu" -Value $AccentColorABGR -Type "DWord"
 
+    # AccentPalette - required for Win11 to actually honor the accent on Start
+    # and taskbar (without it the custom color is dropped for the default).
+    Set-ProfileReg -SubKey "Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" `
+                   -Name "AccentPalette" -Value $AccentPalette -Type "Binary"
+
     # Wallpaper - solid color #223B47 (BackInfo overwrites on logon)
     Set-ProfileReg -SubKey "Control Panel\Colors" `
                    -Name "Background" -Value "34 59 71" -Type "String"
@@ -341,6 +373,34 @@ $pinList
     Set-ProfileReg -SubKey "Control Panel\Desktop" `
                    -Name "TileWallpaper" -Value "0" -Type "String"
 
+    # Mirror the theme + accent into HKU\.DEFAULT so the lock/welcome screen and
+    # system-context UI use the same branding (covers "all profiles", not just
+    # newly created users which inherit from the Default hive above).
+    $defaultColors = @(
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"; Name="SystemUsesLightTheme"; Val=0;                Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"; Name="AppsUseLightTheme";    Val=1;                Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"; Name="ColorPrevalence";      Val=1;                Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"; Name="EnableTransparency";   Val=0;                Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\DWM";                               Name="AccentColor";          Val=$AccentColorABGR; Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\DWM";                               Name="ColorizationColor";    Val=$AccentColorABGR; Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\DWM";                               Name="ColorizationAfterglow";Val=$AccentColorABGR; Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\DWM";                               Name="ColorPrevalence";      Val=1;                Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Explorer\Accent";    Name="AccentColorMenu";      Val=$AccentColorABGR; Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Explorer\Accent";    Name="StartColorMenu";       Val=$AccentColorABGR; Type="DWord"  },
+        @{ Key="Software\Microsoft\Windows\CurrentVersion\Explorer\Accent";    Name="AccentPalette";        Val=$AccentPalette;   Type="Binary" }
+    )
+    foreach ($c in $defaultColors) {
+        $cp = "Registry::HKU\.DEFAULT\$($c.Key)"
+        try {
+            if (-not (Test-Path $cp)) { New-Item -Path $cp -Force -ErrorAction Stop | Out-Null }
+            Set-ItemProperty -Path $cp -Name $c.Name -Value $c.Val -Type $c.Type -Force -ErrorAction Stop
+        }
+        catch {
+            Write-Log "  .DEFAULT color $($c.Key)\$($c.Name) failed - $_" -Level WARN
+        }
+    }
+    Write-Log "  Theme/accent mirrored to HKU\.DEFAULT" -Level OK
+
     # ===================================================================
     # KEYBOARD LAYOUTS - Czech primary, US secondary
     # ===================================================================

web/data/descriptions.json

@@ -68,7 +68,7 @@
       "start-menu-zakaz-bing-vyhledavani": "DisableSearchBoxSuggestions = 1 in Software\\Policies\\Microsoft\\Windows. Disables web search, Bing suggestions, and online results in Start menu search. Search returns only local apps, files, and settings.",
       "copilot-zakaz-turnoffwindowscopilot-1": "TurnOffWindowsCopilot = 1 in SOFTWARE\\Policies\\Microsoft\\Windows\\WindowsCopilot. Disables the Windows Copilot sidebar entirely. Not suitable for most client environments (data privacy, AI usage policies).",
       "numlock-zapnout-pri-startu-initialkeyboa": "InitialKeyboardIndicators = 2 in Default profile. Ensures NumLock is enabled when Windows starts. Standard expectation for users working with numeric data - prevents confusion on data entry.",
-      "accent-barva-na-titulnich-listech-colorp": "ColorPrevalence = 1 in Personalize key. Shows the X9.cz accent color (#223B47) on window title bars and borders. Gives all windows a consistent branded appearance.",
+      "accent-barva-na-titulnich-listech-colorp": "ColorPrevalence = 1 (in both Themes\\Personalize and DWM) shows the X9.cz accent color (#223B47) on Start, taskbar, window title bars and borders, in Custom mode (dark system + light apps). The exact accent is set via AccentColor (0xFF473B22 ABGR) AND AccentPalette (REG_BINARY, 8 shades) - the palette is required or Win11 drops the custom accent on Start/taskbar and falls back to the default. Applied to the Default hive (new users), the current user (HKCU) and HKU\\.DEFAULT (lock/welcome screen, system context) so the theme is consistent across all profiles.",
       "onedrive-runonce-klic-je-tady-smazat": "REMOVED. The RunOnce key deletion and Explorer namespace CLSID removal were deleted - those registry tweaks prevented a freshly installed OneDrive (e.g. for M365) from launching. OneDrive AppX uninstall in step 01 is intentional; blocking re-launch is not.",
       "explorer-showrecent-0-showfrequent-0": "ShowRecent=0 and ShowFrequent=0 in HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer. Hides Recent files and Frequent folders from Quick Access. Privacy improvement and cleaner File Explorer on fresh deployments.",
       "explorer-fullpath-1-cabinetstate": "FullPath=1 in HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\CabinetState. Displays the full directory path (e.g. C:\\Users\\jan\\Documents\\Projekty) in the File Explorer title bar instead of just the folder name.",
@@ -82,7 +82,8 @@
       "kopirovat-assets-backinfo-do-program-fil": "Copies all files from assets\\Backinfo\\ to C:\\Program Files\\Backinfo\\. Includes BackInfo.exe, BackInfo.ini, and backinfo_W11.ps1. Creates the target directory if it does not exist.",
       "registry-osname-hklm-software-backinfo": "Detects Windows build number and edition, writes OSName string to HKLM\\SOFTWARE\\BackInfo\\OSName (and WOW6432Node). BackInfo.ini references %OSName% to display the correct OS on the wallpaper.",
       "startup-shortcut-backinfo-exe": "Creates a shortcut at C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\StartUp\\BackInfo.lnk pointing to C:\\Program Files\\Backinfo\\BackInfo.exe. Ensures BackInfo starts for every user on logon.",
-      "07-desktop-info-ps1-smazat-nahrazeno": "07-desktop-info.ps1 is superseded by this script. BackInfo.exe is the preferred approach - stable on Win10 and Win11, configurable via INI, already present in assets."
+      "07-desktop-info-ps1-smazat-nahrazeno": "07-desktop-info.ps1 is superseded by this script. BackInfo.exe is the preferred approach - stable on Win10 and Win11, configurable via INI, already present in assets.",
+      "backinfo-pozadi-223b47": "BackInfo.ini sets a solid #223B47 background via BackgroundColor = 2243399. BackInfo reads this value as 0xRRGGBB (RGB order), not a Windows COLORREF (BGR), so 0x223B47 = 2243399; the earlier BGR value 4668194 rendered with red and blue swapped."
     }
   },
   "07-desktop-info": {

web/spec/index.html

@@ -673,8 +673,9 @@
           <tr class="flag-done"><td>Klavesnice: CZ primarni + US sekundarni</td><td>Field fix &ndash; Set-WinUserLanguageList (cs-CZ + en-US) pro aktualniho uzivatele; Preload (<code>1=00000405</code> CZ, <code>2=00000409</code> US) do Default hive i <code>HKU\.DEFAULT</code> (welcome screen + systemove ucty). Aplikuje se vzdy automaticky.</td></tr>
           <tr class="flag-done"><td>System tema (taskbar, Start): Dark</td><td>OK</td></tr>
           <tr class="flag-done"><td>Aplikacni tema: Light</td><td>OK</td></tr>
-          <tr class="flag-done"><td>Accent barva: #223B47 (tmave modroseda)</td><td>AccentColor DWORD = 0xFF473B22 (ABGR)</td></tr>
+          <tr class="flag-done"><td>Accent barva: #223B47 (tmave modroseda)</td><td>AccentColor DWORD = 0xFF473B22 (ABGR) + <strong>AccentPalette</strong> (REG_BINARY, 8 odstinu). Bez AccentPalette Win11 vlastni accent na Startu/taskbaru ignoruje a spadne na default &ndash; proto se barvy „neaplikovaly vsude".</td></tr>
-          <tr class="flag-done"><td>Accent barva na Start a taskbaru (ColorPrevalence = 1)</td><td>OK</td></tr>
+          <tr class="flag-done"><td>Accent barva na Start a taskbaru (ColorPrevalence = 1)</td><td>Themes\Personalize i DWM\ColorPrevalence = 1 (Start/taskbar i zahlavi a ohraniceni oken). Rezim Custom: tmavy system + svetle aplikace.</td></tr>
+          <tr class="flag-done"><td>Motiv aplikovan ve vsech profilech</td><td>Default hive (novi uzivatele) + aktualni HKCU + <code>HKU\.DEFAULT</code> (lock/welcome screen, systemovy kontext).</td></tr>
           <tr class="flag-done"><td>Pruhlednost: vypnuta (EnableTransparency = 0)</td><td>OK</td></tr>
           <tr class="flag-done"><td>Tapeta: jednobarevna #223B47; Wallpaper="" v default hive</td><td>BackInfo prepise tapetu svym BMP; prazdny retezec = solid barva, ne cerna plocha</td></tr>
           <tr class="flag-done"><td>OneDrive RunOnce klic odstranen</td><td>Odstraneni branil reinstalaci pres M365 &ndash; klice smazany ze skriptu</td></tr>
@@ -706,6 +707,7 @@
           <tr class="flag-done"><td>Spustit <code>backinfo_W11.ps1</code> (detekce OS, registry, Startup)</td><td>Logika inlinovana v 07-backinfo.ps1</td></tr>
           <tr class="flag-done"><td>BackInfo.exe v assets/Backinfo/ k dispozici</td><td>Hotovo</td></tr>
           <tr class="flag-done"><td>BackInfo auto-start pri kazdem logonu via Startup shortcut</td><td>Shortcut do ProgramData\StartUp vytvori 07-backinfo.ps1</td></tr>
+          <tr class="flag-done"><td>Pozadi #223B47 (<code>BackgroundColor = 2243399</code>)</td><td>BackInfo bere hodnotu jako 0xRRGGBB (RGB), ne COLORREF/BGR &ndash; tj. <code>0x223B47 = 2243399</code>. Drivejsi BGR hodnota (4668194) renderovala prohozene R/B.</td></tr>
         </table>
         <div class="note">
           <strong>BackInfo.ini konfiguruje:</strong> hostname (velky, centrovan), uzivatelske jmeno,