fix(kb): 完善知识库入库和重建索引

static/js/knowledge_base.js

@@ -15,6 +15,8 @@
   var sourceTable = document.getElementById("knowledgeSourceTable");
   var documentFileInput = document.getElementById("knowledgeDocumentFile");
   var uploadDropzone = document.getElementById("knowledgeUploadDropzone");
+  var rebuildButton = document.getElementById("knowledgeRebuildIndexButton");
+  var rebuildStatus = document.getElementById("knowledgeRebuildStatus");
 
   function csrfToken() {
     var cookie = document.cookie.split("; ").find(function (item) {
@@ -68,6 +70,17 @@
     return response.json();
   }
 
+  async function rebuildIndex() {
+    var response = await fetch(page.getAttribute("data-rebuild-url"), {
+      method: "POST",
+      headers: { "X-CSRFToken": csrfToken() },
+    });
+    if (!response.ok) {
+      throw new Error("法规索引重建失败。");
+    }
+    return response.json();
+  }
+
   function renderResults(payload) {
     if (!results) {
       return;
@@ -196,6 +209,59 @@
     });
   }
 
+  async function handleRebuild(trigger) {
+    if (!page.getAttribute("data-rebuild-url")) {
+      return;
+    }
+    var originalText = trigger ? trigger.textContent : "";
+    if (trigger) {
+      trigger.disabled = true;
+      trigger.textContent = "入库中";
+    }
+    if (rebuildButton && trigger !== rebuildButton) {
+      rebuildButton.disabled = true;
+    }
+    if (rebuildStatus) {
+      rebuildStatus.textContent = "正在重建法规 RAG 索引...";
+    }
+    try {
+      var payload = await rebuildIndex();
+      if (rebuildStatus) {
+        rebuildStatus.textContent = "重建完成，入库片段 " + (payload.chunk_count || 0) + " 个。";
+      }
+      window.setTimeout(function () {
+        window.location.reload();
+      }, 600);
+    } catch (error) {
+      if (rebuildStatus) {
+        rebuildStatus.textContent = error.message || "法规索引重建失败。";
+      }
+      if (trigger) {
+        trigger.disabled = false;
+        trigger.textContent = originalText;
+      }
+      if (rebuildButton) {
+        rebuildButton.disabled = false;
+      }
+    }
+  }
+
+  if (rebuildButton) {
+    rebuildButton.addEventListener("click", function () {
+      handleRebuild(rebuildButton);
+    });
+  }
+
+  if (sourceTable) {
+    sourceTable.addEventListener("click", function (event) {
+      var button = event.target.closest("[data-source-action='index']");
+      if (!button) {
+        return;
+      }
+      handleRebuild(button);
+    });
+  }
+
   if (searchForm && queryInput) {
     searchForm.addEventListener("submit", async function (event) {
       event.preventDefault();