feat: Refactor service management scripts to use a unified dev script

- Added package.json to manage development scripts.
- Updated restart-services.ps1 to call the new dev script for starting services.
- Refactored start-admin.ps1, start-backend.ps1, start-frontend.ps1, and start-mcp.ps1 to utilize the dev script for starting respective services.
- Enhanced stop-services.ps1 to improve process termination logic by matching command patterns.

frontend/src/components/Comments.astro

@@ -40,7 +40,7 @@ function formatCommentDate(dateStr: string): string {
     <div class="space-y-3">
       <span class="terminal-kicker">
         <i class="fas fa-message"></i>
-        discussion buffer
+        {t('comments.kicker')}
       </span>
       <div class="terminal-section-title">
         <span class="terminal-section-icon">
@@ -72,7 +72,7 @@ function formatCommentDate(dateStr: string): string {
             type="text"
             name="nickname"
             required
-            placeholder="anonymous_operator"
+            placeholder={t('comments.nicknamePlaceholder')}
             class="terminal-form-input"
           />
         </div>
@@ -83,7 +83,7 @@ function formatCommentDate(dateStr: string): string {
           <input
             type="email"
             name="email"
-            placeholder="you@example.com"
+            placeholder={t('comments.emailPlaceholder')}
             class="terminal-form-input"
           />
         </div>
@@ -210,7 +210,7 @@ function formatCommentDate(dateStr: string): string {
   const replyBtns = document.querySelectorAll('.reply-btn');
   const messageBox = document.getElementById('comment-message');
   const postSlug = wrapper?.getAttribute('data-post-slug') || '';
-  const apiBase = wrapper?.getAttribute('data-api-base') || 'http://localhost:5150/api';
+  const apiBase = wrapper?.getAttribute('data-api-base') || '/api';
 
   function showMessage(message: string, type: 'success' | 'error' | 'info') {
     if (!messageBox) return;
@@ -319,7 +319,7 @@ function formatCommentDate(dateStr: string): string {
       formContainer?.classList.add('hidden');
       showMessage(t('comments.submitSuccess'), 'success');
     } catch (error) {
-      showMessage(t('comments.submitFailed', { message: error instanceof Error ? error.message : 'unknown error' }), 'error');
+      showMessage(t('comments.submitFailed', { message: error instanceof Error ? error.message : t('common.unknownError') }), 'error');
     }
   });