fix(i18n): формальный русский перевод + t() во всех шаблонах

- i18n.py: формальный русский (сканирования, панель управления, и т.д.)
- Все шаблоны: замена хардкод-строк на t(key, request.state.lang)
- dashboard_stats_fragment: добавлен request в контекст

guarddog_nexus/web/templates/package_detail.html

@@ -1,10 +1,10 @@
 {% extends "base.html" %}
-{% block title %}{{ pkg_name }} v{{ pkg_version }} — GuardDog Nexus{% endblock %}
+{% block title %}{{ t('title_package_detail', request.state.lang, pkg_name, pkg_version) }}{% endblock %}
 {% block breadcrumbs %}
 <div class="breadcrumbs">
-    <a href="/">Home</a>
+    <a href="/">{{ t('breadcrumb_home', request.state.lang) }}</a>
     <span class="separator">/</span>
-    <a href="/packages">Packages</a>
+    <a href="/packages">{{ t('breadcrumb_packages', request.state.lang) }}</a>
     <span class="separator">/</span>
     <span>{{ pkg_name }} v{{ pkg_version }}</span>
 </div>
@@ -13,10 +13,10 @@
 <h1>{{ pkg_name }} <small>v{{ pkg_version }}</small></h1>
 
 <article class="scan-info-block">
-    <h2>Scans ({{ scans|length }})</h2>
+    <h2>{{ t('heading_scans_count', request.state.lang, scans|length) }}</h2>
     <table class="compact">
         <thead>
-            <tr><th>ID</th><th>Repo</th><th>Status</th><th>Findings</th><th>Time</th></tr>
+            <tr><th>{{ t('col_id', request.state.lang) }}</th><th>{{ t('col_repo', request.state.lang) }}</th><th>{{ t('col_status', request.state.lang) }}</th><th>{{ t('col_findings', request.state.lang) }}</th><th>{{ t('col_time', request.state.lang) }}</th></tr>
         </thead>
         <tbody>
         {% for s in scans %}
@@ -34,7 +34,7 @@
     </table>
 </article>
 
-<h2 style="margin-bottom: 0.75rem;">Findings ({{ findings|length }})</h2>
+<h2 style="margin-bottom: 0.75rem;">{{ t('heading_findings_count', request.state.lang, findings|length) }}</h2>
 
 {% if findings %}
     <div id="findings-container">
@@ -49,7 +49,7 @@
             <p>{{ f.data.message }}</p>
             {% if f.data.code %}
             <div class="code-toolbar">
-                <button class="copy-btn" onclick="copyCode(this, 'code-{{ f.id }}')">Copy</button>
+                <button class="copy-btn" onclick="copyCode(this, 'code-{{ f.id }}')">{{ t('btn_copy', request.state.lang) }}</button>
             </div>
             <pre><code id="code-{{ f.id }}">{{ f.data.code }}</code></pre>
             {% endif %}
@@ -64,7 +64,7 @@
                 </div>
                 <p class="llm-summary">{{ f.report.summary }}</p>
                 <p class="llm-analysis">{{ f.report.analysis }}</p>
-                <p class="llm-disclaimer">⚠ AI-generated analysis — may contain inaccuracies.</p>
+                <p class="llm-disclaimer">{{ t('llm_disclaimer', request.state.lang) }}</p>
             </div>
             {% else %}
             <div class="llm-actions" id="llm-{{ f.id }}">
@@ -76,7 +76,7 @@
                     <span id="llm-spinner-{{ f.id }}" class="htmx-indicator" style="display:none;">
                         <span class="spinner"></span>
                     </span>
-                    Analyze with LLM
+                    {{ t('btn_analyze_llm', request.state.lang) }}
                 </button>
             </div>
             {% endif %}
@@ -85,6 +85,6 @@
     {% endfor %}
     </div>
 {% else %}
-    <p class="empty-state">No findings — package looks clean.</p>
+    <p class="empty-state">{{ t('empty_no_findings', request.state.lang) }}</p>
 {% endif %}
 {% endblock %}