Refactor backend and frontend modules for architecture alignment

scripts/start-backend-dev.ps1

@@ -2,17 +2,72 @@ $ErrorActionPreference = 'Stop'
 
 $root = Split-Path -Parent $PSScriptRoot
 $mavenExe = 'mvn.cmd'
-$out = Join-Path $root 'backend-dev.out.log'
-$err = Join-Path $root 'backend-dev.err.log'
+$logsDir = Join-Path $root 'logs'
+if (-not (Test-Path $logsDir)) {
+    New-Item -Path $logsDir -ItemType Directory | Out-Null
+}
+$out = Join-Path $logsDir 'backend-dev.out.log'
+$err = Join-Path $logsDir 'backend-dev.err.log'
 $devJwtSecret = $env:APP_JWT_SECRET
 $devDatasourceUrl = $env:SPRING_DATASOURCE_URL
 
+function Get-DotEnvValue {
+    param(
+        [string]$Path,
+        [string]$Name
+    )
+
+    if (-not (Test-Path $Path)) {
+        return $null
+    }
+
+    foreach ($line in Get-Content -Path $Path) {
+        $trimmed = $line.Trim()
+        if ([string]::IsNullOrWhiteSpace($trimmed) -or $trimmed.StartsWith('#')) {
+            continue
+        }
+
+        $separatorIndex = $trimmed.IndexOf('=')
+        if ($separatorIndex -le 0) {
+            continue
+        }
+
+        $key = $trimmed.Substring(0, $separatorIndex).Trim()
+        if ($key -ne $Name) {
+            continue
+        }
+
+        $value = $trimmed.Substring($separatorIndex + 1).Trim()
+        if ($value.Length -ge 2) {
+            $startsWithDoubleQuote = $value.StartsWith('"') -and $value.EndsWith('"')
+            $startsWithSingleQuote = $value.StartsWith("'") -and $value.EndsWith("'")
+            if ($startsWithDoubleQuote -or $startsWithSingleQuote) {
+                $value = $value.Substring(1, $value.Length - 2)
+            }
+        }
+
+        return $value
+    }
+
+    return $null
+}
+
+$dotEnvPath = Join-Path $root '.env'
+
+if ([string]::IsNullOrWhiteSpace($devJwtSecret)) {
+    $devJwtSecret = Get-DotEnvValue -Path $dotEnvPath -Name 'APP_JWT_SECRET'
+}
+
 if ([string]::IsNullOrWhiteSpace($devJwtSecret)) {
     $devJwtSecret = 'local-dev-jwt-secret-2026-04-09-yoyuzh-portal-very-long'
 }
 
 if ([string]::IsNullOrWhiteSpace($devDatasourceUrl)) {
-    $devDatasourceUrl = 'jdbc:h2:mem:yoyuzh_portal_dev;MODE=MySQL;DB_CLOSE_DELAY=-1'
+    $devDatasourceUrl = Get-DotEnvValue -Path $dotEnvPath -Name 'SPRING_DATASOURCE_URL'
+}
+
+if ([string]::IsNullOrWhiteSpace($devDatasourceUrl)) {
+    $devDatasourceUrl = 'jdbc:h2:file:./data/yoyuzh_portal_dev;MODE=MySQL;AUTO_SERVER=TRUE;DB_CLOSE_DELAY=-1'
 }
 
 if (Test-Path $out) {