feat(permission): replace OA roles with post-bound roles and assignee posts

Unify effective roles via post-role bindings, remove dedicated OA role UI, and update OA assignee resolution plus related SQL/docs.

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/views/operations/storage-facility/index.vue

@@ -404,7 +404,7 @@
             </el-form-item>
             <el-form-item>
               <template #label>
-                节点编号<span class="form-label-tip">可选，与名称共用序号</span>
+                节点编号<span class="form-label-tip">编号 = 前缀 + 序号 + 后缀；前缀后缀都空时 = 序号</span>
               </template>
               <div class="storage-name-compose">
                 <div class="storage-compose-field storage-compose-field--affix">
@@ -1585,7 +1585,7 @@
     nameSuffix: '',
     startNum: 1,
     endNum: 10,
-    padWidth: 2,
+    padWidth: 0,
     codePrefix: '',
     codeSuffix: '',
     nodeType: 'box',
@@ -1619,16 +1619,14 @@
     if (count > 200) {
       return { count: 0, samples: [] as Array<{ name: string; code: string }> }
     }
-    const genCode = !!(batchChildForm.codePrefix.trim() || batchChildForm.codeSuffix.trim())
     const samples: Array<{ name: string; code: string }> = []
     const showMax = Math.min(count, 12)
     for (let i = 0; i < showMax; i++) {
       const num = start + i
       const seq = formatBatchSeq(num, batchChildForm.padWidth)
       const name = `${batchChildForm.namePrefix}${seq}${batchChildForm.nameSuffix}`.trim()
-      const code = genCode
-        ? `${batchChildForm.codePrefix}${seq}${batchChildForm.codeSuffix}`.trim()
-        : ''
+      // 前缀、后缀都空时，节点编号即为序号（含补零）
+      const code = `${batchChildForm.codePrefix}${seq}${batchChildForm.codeSuffix}`.trim()
       samples.push({ name: name || '（空名称）', code })
     }
     return { count, samples }
@@ -1685,7 +1683,7 @@
       nameSuffix: '',
       startNum: 1,
       endNum: 10,
-      padWidth: 2,
+      padWidth: 0,
       codePrefix: '',
       codeSuffix: '',
       nodeType: data.nodeType === 'facility' ? 'layer' : 'box',
@@ -1739,7 +1737,7 @@
       nameSuffix: '',
       startNum: 1,
       endNum: 10,
-      padWidth: 2,
+      padWidth: 0,
       codePrefix: '',
       codeSuffix: '',
       nodeType: 'box',