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/views/settings/BrandingSettings.vue

@@ -0,0 +1,142 @@
+<template>
+  <div>
+    <div class="page-header">
+      <h2>Branding</h2>
+    </div>
+
+    <div class="section-card">
+      <div class="setting-group">
+        <p class="setting-description">
+          Replace the shipped GE logos with your own site branding. Each logo can
+          be uploaded, or set to a path/URL directly. Leave blank to use the
+          bundled default.
+        </p>
+
+        <div class="setting-row" v-for="logo in brandingLogos" :key="logo.kind">
+          <label>
+            <span>{{ logo.label }}</span>
+            <input
+              type="text"
+              v-model="settings[logo.key]"
+              :placeholder="logo.placeholder"
+              @blur="saveSetting(logo.key, settings[logo.key])"
+              :disabled="saving"
+            >
+            <div class="map-upload-row">
+              <input type="file" :accept="logo.accept" @change="uploadLogo(logo.kind, logo.key, $event)" :disabled="brandingUploading" />
+              <img v-if="settings[logo.key]" :src="settings[logo.key]" class="map-thumb" :alt="logo.label" />
+            </div>
+            <small class="input-hint">{{ logo.hint }}</small>
+          </label>
+        </div>
+
+        <div class="setting-row">
+          <label>
+            <span>Primary brand color</span>
+            <div class="color-input-row">
+              <input
+                type="color"
+                :value="settings.brand_primary_color || '#000000'"
+                @input="settings.brand_primary_color = $event.target.value"
+                @change="saveSetting('brand_primary_color', settings.brand_primary_color)"
+                :disabled="saving"
+              >
+              <input
+                type="text"
+                v-model="settings.brand_primary_color"
+                placeholder="(blank = built-in)"
+                @blur="saveSetting('brand_primary_color', settings.brand_primary_color)"
+                :disabled="saving"
+              >
+            </div>
+            <small class="input-hint">Hex color for the primary accent. Leave blank to use the built-in palette.</small>
+          </label>
+        </div>
+
+        <div class="setting-row">
+          <label>
+            <span>Primary hover color</span>
+            <div class="color-input-row">
+              <input
+                type="color"
+                :value="settings.brand_primary_dark_color || '#000000'"
+                @input="settings.brand_primary_dark_color = $event.target.value"
+                @change="saveSetting('brand_primary_dark_color', settings.brand_primary_dark_color)"
+                :disabled="saving"
+              >
+              <input
+                type="text"
+                v-model="settings.brand_primary_dark_color"
+                placeholder="(blank = derived from primary)"
+                @blur="saveSetting('brand_primary_dark_color', settings.brand_primary_dark_color)"
+                :disabled="saving"
+              >
+            </div>
+            <small class="input-hint">Hover/active shade of the primary color. Leave blank to auto-darken the primary color ~15%.</small>
+          </label>
+        </div>
+
+        <div class="setting-row">
+          <label>
+            <span>Accent color</span>
+            <div class="color-input-row">
+              <input
+                type="color"
+                :value="settings.brand_accent_color || '#000000'"
+                @input="settings.brand_accent_color = $event.target.value"
+                @change="saveSetting('brand_accent_color', settings.brand_accent_color)"
+                :disabled="saving"
+              >
+              <input
+                type="text"
+                v-model="settings.brand_accent_color"
+                placeholder="(blank = built-in)"
+                @blur="saveSetting('brand_accent_color', settings.brand_accent_color)"
+                :disabled="saving"
+              >
+            </div>
+            <small class="input-hint">Accent for secondary buttons and badges. Leave blank to use the built-in palette.</small>
+          </label>
+        </div>
+
+        <div class="setting-row">
+          <label>
+            <span>Sidebar color</span>
+            <div class="color-input-row">
+              <input
+                type="color"
+                :value="settings.brand_sidebar_color || '#000000'"
+                @input="settings.brand_sidebar_color = $event.target.value"
+                @change="saveSetting('brand_sidebar_color', settings.brand_sidebar_color)"
+                :disabled="saving"
+              >
+              <input
+                type="text"
+                v-model="settings.brand_sidebar_color"
+                placeholder="(blank = built-in)"
+                @blur="saveSetting('brand_sidebar_color', settings.brand_sidebar_color)"
+                :disabled="saving"
+              >
+            </div>
+            <small class="input-hint">Sidebar background color. Leave blank to use the built-in palette.</small>
+          </label>
+        </div>
+      </div>
+    </div>
+
+    <div v-if="error" class="error-message">{{ error }}</div>
+    <div v-if="success" class="settings-success">{{ success }}</div>
+  </div>
+</template>
+
+<script setup>
+import { onMounted } from 'vue'
+import { useSystemSettings, brandingLogos } from '../../composables/systemSettings'
+
+const {
+  settings, saving, brandingUploading, error, success,
+  loadSettings, saveSetting, uploadLogo,
+} = useSystemSettings()
+
+onMounted(loadSettings)
+</script>