Initial snapshot before step 6 options.js split

host/com.rcjav.host.json

@@ -0,0 +1,9 @@
+{
+  "name": "com.rcjav.host",
+  "description": "rclonex native messaging host (rc-jav bridge)",
+  "path": "D:\\DEV\\Extensions\\Production\\rclone-jav\\host\\rcjav-host.bat",
+  "type": "stdio",
+  "allowed_origins": [
+    "chrome-extension://afbnfamppannbmhgphbbgdkmilijfagp/"
+  ]
+}

host/com.rcjav.host.json.template

@@ -0,0 +1,9 @@
+{
+  "name": "com.rcjav.host",
+  "description": "rclonex native messaging host (rc-jav bridge)",
+  "path": "__HOST_BAT__",
+  "type": "stdio",
+  "allowed_origins": [
+    "chrome-extension://__EXTENSION_ID__/"
+  ]
+}

host/install-host.ps1

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+# install-host.ps1
+# Registers rclonex native-messaging host so Brave can launch it.
+#
+# Usage:  .\install-host.ps1 -ExtensionId <id-from-brave://extensions>
+#
+# Writes manifest to host\com.rcjav.host.json with the correct path + extension ID baked in,
+# then registers it in HKLM (requires admin - script self-elevates if needed) AND HKCU.
+# HKLM is required on some Brave installs; HKCU alone is not always honored.
+
+param(
+    [Parameter(Mandatory = $true)]
+    [string]$ExtensionId
+)
+
+$ErrorActionPreference = "Stop"
+
+$hostDir = $PSScriptRoot
+$batPath = Join-Path $hostDir "rcjav-host.bat"
+if (-not (Test-Path $batPath)) { throw "Host bat not found: $batPath" }
+
+$manifestPath = Join-Path $hostDir "com.rcjav.host.json"
+$template = Join-Path $hostDir "com.rcjav.host.json.template"
+if (-not (Test-Path $template)) { throw "Template not found: $template" }
+
+$content = Get-Content $template -Raw
+$content = $content.Replace("__HOST_BAT__", ($batPath -replace "\\", "\\"))
+$content = $content.Replace("__EXTENSION_ID__", $ExtensionId)
+
+# UTF-8 WITHOUT BOM - Chrome/Brave rejects manifests with a BOM.
+[System.IO.File]::WriteAllText($manifestPath, $content, [System.Text.UTF8Encoding]::new($false))
+Write-Host "Manifest written: $manifestPath"
+
+# Self-elevate for HKLM if not already admin.
+$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(
+    [Security.Principal.WindowsBuiltInRole]::Administrator)
+if (-not $isAdmin) {
+    Write-Host "Not running as admin - relaunching elevated to write HKLM..."
+    Start-Process pwsh -Verb RunAs -ArgumentList @(
+        "-NoProfile", "-ExecutionPolicy", "Bypass",
+        "-File", $PSCommandPath,
+        "-ExtensionId", $ExtensionId
+    )
+    exit
+}
+
+# Register in HKLM - required on some Brave installs.
+$keys = @(
+    'HKLM:\Software\BraveSoftware\Brave-Browser\NativeMessagingHosts\com.rcjav.host',
+    'HKLM:\Software\Google\Chrome\NativeMessagingHosts\com.rcjav.host',
+    'HKLM:\Software\WOW6432Node\Google\Chrome\NativeMessagingHosts\com.rcjav.host',
+    'HKLM:\Software\Chromium\NativeMessagingHosts\com.rcjav.host',
+    # HKCU as belt-and-suspenders for installs that prefer it
+    'HKCU:\Software\BraveSoftware\Brave-Browser\NativeMessagingHosts\com.rcjav.host',
+    'HKCU:\Software\Google\Chrome\NativeMessagingHosts\com.rcjav.host',
+    'HKCU:\Software\Chromium\NativeMessagingHosts\com.rcjav.host'
+)
+foreach ($k in $keys) {
+    try {
+        New-Item -Path $k -Force -ErrorAction Stop | Out-Null
+        Set-Item -Path $k -Value $manifestPath
+        Write-Host "  Set: $k"
+    } catch {
+        Write-Host "  FAILED: $k  ($($_.Exception.Message))"
+    }
+}
+
+Write-Host ""
+Write-Host "Manifest contents:"
+Write-Host "-------------------"
+Write-Host $content
+Write-Host "-------------------"
+Write-Host ""
+Write-Host "Fully restart Brave (kill all brave.exe processes, then reopen) for the registry"
+Write-Host "entries to be picked up. Then click rclonex toolbar > Ping host."
+Read-Host "Press Enter to close"

host/rcjav-host.bat

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+@echo off
+REM Portable: uses Windows py launcher if present, falls back to python on PATH.
+REM Stderr redirected to log file so it can't pollute stdout (native messaging is binary).
+setlocal
+set "PYBIN=python"
+where py >nul 2>&1 && set "PYBIN=py"
+if not exist "%~dp0logs" mkdir "%~dp0logs"
+"%PYBIN%" -u "%~dp0rcjav-host.py" 2>>"%~dp0logs\rcjav-host-stderr.log"

host/rcjav-host.log

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+stdin closed, exiting

host/register-host.bat

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+@echo off
+REM Double-click this to register the native messaging host with Brave.
+REM Prompts for the extension ID, then runs install-host.ps1.
+
+setlocal
+set /p EXT_ID="Paste the rclone-jav extension ID from brave://extensions: "
+
+if "%EXT_ID%"=="" (
+    echo No ID entered. Aborting.
+    pause
+    exit /b 1
+)
+
+powershell.exe -NoProfile -ExecutionPolicy Bypass -File "%~dp0install-host.ps1" -ExtensionId "%EXT_ID%"
+echo.
+echo Done. Press any key to close.
+pause >nul