hot-reload attempt (unreviewed, not working)

scripts/reload.ps1

@@ -0,0 +1,82 @@
+# scripts/reload.ps1
+#
+# PCSX-Redux Lua helper reload client.
+#
+# Modes:
+#   elf   - Request a full ELF reload. Requires -ElfPath.
+#   patch - Request a single-word RAM patch. Requires -Address and -Word.
+#
+# -RequestOnly prints the URI and exits before any network I/O.
+# -Quiet suppresses the compact-JSON printout on the real path.
+
+[CmdletBinding()]
+param(
+	[ValidateSet('elf', 'patch')][string]$Mode = 'elf',
+	[string]$Target = 'hello_camera',
+	[string]$ElfPath = '',
+	[string]$Address = '',
+	[string]$Word = '',
+	[int]$Port = 8080,
+	[switch]$RequestOnly,
+	[switch]$Quiet
+)
+
+# mode-specific argument guards
+switch ($Mode) {
+	'patch' {
+		if ([string]::IsNullOrEmpty($Address) -or [string]::IsNullOrEmpty($Word)) {
+			Write-Error "patch mode requires both -Address and -Word"
+			exit 1
+		}
+	}
+	'elf' {
+		if ([string]::IsNullOrEmpty($ElfPath)) {
+			Write-Error "elf mode requires -ElfPath"
+			exit 1
+		}
+	}
+}
+
+# Build the URL-encoded query string.
+$queryParts = New-Object System.Collections.Generic.List[string]
+[void]$queryParts.Add("mode=$([uri]::EscapeDataString($Mode))")
+[void]$queryParts.Add("target=$([uri]::EscapeDataString($Target))")
+
+switch ($Mode) {
+	'elf' {
+		[void]$queryParts.Add("path=$([uri]::EscapeDataString($ElfPath))")
+	}
+	'patch' {
+		[void]$queryParts.Add("addr=$([uri]::EscapeDataString($Address))")
+		[void]$queryParts.Add("hex=$([uri]::EscapeDataString($Word))")
+	}
+}
+
+$uri = "http://localhost:$Port/api/v1/lua/reload?$($queryParts -join '&')"
+
+# RequestOnly path: emit URI and return before any network I/O.
+if ($RequestOnly) {
+	Write-Output $uri
+	return
+}
+
+# Real request path: POST, decode body if it is a byte array, parse JSON.
+$response = Invoke-WebRequest -Method Post -Uri $uri
+
+if ($response.Content -is [byte[]]) {
+	$text = [System.Text.Encoding]::UTF8.GetString([byte[]]$response.Content)
+}
+else {
+	$text = [string]$response.Content
+}
+
+$obj = $text | ConvertFrom-Json
+
+if (-not $Quiet) {
+	$obj | ConvertTo-Json -Compress | Write-Output
+}
+
+if (-not $obj.ok) {
+	$errCode = if ($obj.error) { [string]$obj.error } else { 'unknown' }
+	throw "Reload failed: $errCode"
+}