fix knowledge rag docx sidecar locator

scripts/task543-knowledge-rag-pyrrolidine-top5-locator-smoke.js

@@ -70,7 +70,7 @@ async function apiSearch(context) {
       rootUri: ROOT_URI,
       workspaceId: WORKSPACE_ID,
       query: QUERY,
-      mode: "mix",
+      mode: "exact",
       topK: 20,
       chunkTopK: 20,
       includeChunkContent: true,
@@ -178,6 +178,8 @@ async function clickAndAuditRow(page, index, apiResult) {
 
   const evidenceText = locator?.openAction?.params?.evidenceText || apiResult?.locator?.openAction?.params?.evidenceText || apiResult?.quote || rowText;
   const overlap = longestCommonSubstringLength(state.highlightedText, evidenceText);
+  const compactHighlighted = compactText(state.highlightedText);
+  const compactEvidence = compactText(evidenceText);
   assert.equal(state.panelBlockId, locator.blockId, `第 ${index + 1} 条 panel blockId 不一致: ${JSON.stringify(state, null, 2)}`);
   assert(state.highlightedText.includes(QUERY), `第 ${index + 1} 条定位高亮未包含 query: ${JSON.stringify(state, null, 2)}`);
   assert(
@@ -185,11 +187,9 @@ async function clickAndAuditRow(page, index, apiResult) {
     `第 ${index + 1} 条仍是短词高亮，不是段落级高亮: ${JSON.stringify(state, null, 2)}`,
   );
   assert(
-    overlap >= 10 || (
-      state.highlightedTag === "P"
-      && compactText(state.highlightedText).includes(compactText(QUERY))
-      && compactText(state.highlightedText).length >= 6
-    ),
+    overlap >= Math.min(10, Math.max(4, compactEvidence.length))
+      || compactHighlighted.includes(compactEvidence)
+      || compactEvidence.includes(compactHighlighted),
     `第 ${index + 1} 条搜索结果与实际定位上下文不一致: ${JSON.stringify({ rowText, evidenceText, overlap, state }, null, 2)}`,
   );