feat: add compliant data connectors and lineage

- add authorized nine-source crawler connectors with security controls and packaged schemas
- add the school internship contract to the vendor data standard center
- add bidirectional campus data-to-report lineage with gap ownership and remediation

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

admin-tools/demo/index.html

@@ -395,6 +395,7 @@
             <div class="contract-tabs" id="contractTabs">
               <button class="active" data-contract="external-job"><span>JOB-SIGNAL</span><strong>外部岗位信号</strong><small>V3.0 · 39字段</small></button>
               <button data-contract="school-employment"><span>SCHOOL-EMPLOYMENT</span><strong>校内就业事实</strong><small>V2.2 · 32字段</small></button>
+              <button data-contract="school-internship"><span>SCHOOL-INTERNSHIP</span><strong>校内实习事实</strong><small>V2.1 · 30字段</small></button>
               <button data-contract="package-manifest"><span>PACKAGE-MANIFEST</span><strong>交付包清单</strong><small>V1.2 · 21字段</small></button>
             </div>
             <div id="contractContent"></div>
@@ -425,7 +426,7 @@
                   <small>最大 2GB；大文件将自动分片并计算 SHA-256</small>
                 </label>
                 <div class="import-configuration">
-                  <label><span>目标契约</span><select id="importContract"><option value="external-job">JOB-SIGNAL V3.0</option><option value="school-employment">SCHOOL-EMPLOYMENT V2.2</option></select></label>
+                  <label><span>目标契约</span><select id="importContract"><option value="external-job">JOB-SIGNAL V3.0</option><option value="school-employment">SCHOOL-EMPLOYMENT V2.2</option><option value="school-internship">SCHOOL-INTERNSHIP V2.1</option></select></label>
                   <label><span>导入模式</span><select id="importMode"><option>新增或更新 UPSERT</option><option>初次全量 FULL</option><option>仅质量验证 DRY-RUN</option></select></label>
                 </div>
                 <div class="import-preview" id="importPreview">