Add wimtools and startnet.cmd editor for boot.wim modification

- Added wimtools to offline packages and playbook verification
- Webapp startnet.cmd editor: extract, view, edit, save back to boot.wim
- Uses wimextract/wimupdate for in-place WIM modification
- Dark-themed code editor with tab support and common command reference

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

webapp/templates/startnet_editor.html

@@ -0,0 +1,127 @@
+{% extends "base.html" %}
+{% block title %}startnet.cmd Editor - PXE Server Manager{% endblock %}
+
+{% block extra_head %}
+<style>
+  .cmd-editor {
+    font-family: 'Consolas', 'Courier New', monospace;
+    font-size: 0.9rem;
+    min-height: 400px;
+    background-color: #1e1e1e;
+    color: #d4d4d4;
+    border: 1px solid #333;
+    padding: 1rem;
+    tab-size: 4;
+    white-space: pre;
+    line-height: 1.5;
+  }
+  .cmd-editor:focus {
+    outline: none;
+    border-color: #0d6efd;
+    box-shadow: 0 0 0 0.15rem rgba(13,110,253,.25);
+  }
+  .wim-info dt {
+    font-weight: 600;
+    color: #6c757d;
+  }
+  .wim-info dd {
+    margin-bottom: 0.3rem;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="d-flex justify-content-between align-items-center mb-4">
+  <h2 class="mb-0"><i class="bi bi-terminal me-2"></i>startnet.cmd Editor</h2>
+</div>
+
+{% if not wim_exists %}
+<div class="alert alert-warning">
+  <i class="bi bi-exclamation-triangle me-2"></i>
+  <strong>boot.wim not found</strong> at <code>{{ wim_path }}</code>.
+  Run the PXE server setup playbook and import WinPE boot files first.
+</div>
+{% else %}
+
+<div class="row">
+  <div class="col-lg-9">
+    <div class="card">
+      <div class="card-header d-flex justify-content-between align-items-center">
+        <span><i class="bi bi-file-earmark-code me-2"></i>Windows\System32\startnet.cmd</span>
+        <span class="badge bg-secondary">boot.wim</span>
+      </div>
+      <div class="card-body p-0">
+        <form action="{{ url_for('startnet_save') }}" method="post" id="startnetForm">
+          <textarea name="content" class="form-control cmd-editor" id="cmdEditor"
+                    spellcheck="false">{{ content }}</textarea>
+        </form>
+      </div>
+      <div class="card-footer d-flex justify-content-between align-items-center">
+        <small class="text-muted">
+          Editing the startnet.cmd inside <code>{{ wim_path }}</code>
+        </small>
+        <button type="submit" form="startnetForm" class="btn btn-primary">
+          <i class="bi bi-floppy me-1"></i> Save to boot.wim
+        </button>
+      </div>
+    </div>
+
+    <div class="card mt-3">
+      <div class="card-body">
+        <h6 class="card-title"><i class="bi bi-info-circle me-1"></i> Common startnet.cmd Commands</h6>
+        <div class="row">
+          <div class="col-md-6">
+            <code class="d-block mb-1">wpeinit</code>
+            <small class="text-muted d-block mb-2">Initialize WinPE networking</small>
+            <code class="d-block mb-1">net use Z: \\10.9.100.1\winpeapps</code>
+            <small class="text-muted d-block mb-2">Map Samba share for deployment</small>
+          </div>
+          <div class="col-md-6">
+            <code class="d-block mb-1">wpeutil WaitForNetwork</code>
+            <small class="text-muted d-block mb-2">Wait for network to be ready</small>
+            <code class="d-block mb-1">Z:\gea-standard\Deploy\Tools\deploy.cmd</code>
+            <small class="text-muted d-block mb-2">Launch deployment script</small>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+
+  <div class="col-lg-3">
+    <div class="card">
+      <div class="card-header">
+        <i class="bi bi-info-square me-2"></i>WIM Info
+      </div>
+      <div class="card-body wim-info">
+        <dl class="mb-0">
+          {% for key, val in wim_info.items() %}
+          {% if key in ['Image Count', 'Compression', 'Total Bytes', 'Image Name', 'Image Description'] %}
+          <dt>{{ key }}</dt>
+          <dd>{{ val }}</dd>
+          {% endif %}
+          {% endfor %}
+          {% if not wim_info %}
+          <p class="text-muted mb-0">Could not read WIM info.</p>
+          {% endif %}
+        </dl>
+      </div>
+    </div>
+  </div>
+</div>
+{% endif %}
+{% endblock %}
+
+{% block extra_scripts %}
+<script>
+// Tab key inserts a tab in the editor instead of moving focus
+document.getElementById('cmdEditor')?.addEventListener('keydown', function(e) {
+  if (e.key === 'Tab') {
+    e.preventDefault();
+    var start = this.selectionStart;
+    var end = this.selectionEnd;
+    this.value = this.value.substring(0, start) + '\t' + this.value.substring(end);
+    this.selectionStart = this.selectionEnd = start + 1;
+  }
+});
+</script>
+{% endblock %}