Initial import: shopdb-flask multi-site asset platform

Flask + Vue rewrite of the classic-ASP shopdb, built as a plugin
framework so sister GE Aerospace sites can adopt it. Product version
0.7.0-pre-0.8.0, plugin contract 0.11.0, 966 backend tests.

Key entry points:
- docs/INSTALL-WINDOWS-IIS.md - tested Windows + IIS install runbook
  (own-site and subpath deployment methods)
- docs/PILOT-DEPLOY.md - production pilot: stand up + import + verify
- docs/IMPORT-API.md - schema-agnostic legacy data import contract
- scripts/site_imports/wjf/ - West Jefferson reference import loader
- docs/adr/ - twelve accepted architecture decision records

frontend/src/components/CustomFieldsSection.vue

@@ -0,0 +1,48 @@
+<template>
+  <!-- Only render the card when there is at least one field with a value to show -->
+  <div class="section-card" v-if="visibleFields.length">
+    <h3 class="section-title">{{ title }}</h3>
+    <div class="info-list">
+      <div class="info-row" v-for="f in visibleFields" :key="f.fieldid">
+        <span class="info-label">{{ f.label }}</span>
+        <span class="info-value">{{ displayValue(f) }}</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, watch, onMounted } from 'vue'
+import { customFieldsApi } from '../api'
+
+const props = defineProps({
+  assetid: { type: [Number, String], default: null },
+  title: { type: String, default: 'Additional Details' },
+})
+
+const fields = ref([])
+
+const visibleFields = computed(() =>
+  fields.value.filter(f => f.showondetail && f.value != null && String(f.value).trim() !== ''))
+
+function displayValue(f) {
+  if (f.datatype === 'boolean') {
+    return ['true', '1', 'yes'].includes(String(f.value).toLowerCase()) ? 'Yes' : 'No'
+  }
+  return f.value
+}
+
+async function load() {
+  if (!props.assetid) { fields.value = []; return }
+  try {
+    const response = await customFieldsApi.forAsset(props.assetid)
+    fields.value = response.data.data || []
+  } catch (err) {
+    console.error('Error loading custom fields:', err)
+    fields.value = []
+  }
+}
+
+onMounted(load)
+watch(() => props.assetid, load)
+</script>