diff --git a/.agents/knowledge/external-deps-and-gotchas.md b/.agents/knowledge/external-deps-and-gotchas.md
index f776e236..d6cfb5d0 100644
--- a/.agents/knowledge/external-deps-and-gotchas.md
+++ b/.agents/knowledge/external-deps-and-gotchas.md
@@ -9,6 +9,8 @@
 | RAGFlow(知识运行时) | `http://100.64.0.8`(及 `:9380`) | `/api/v1/datasets`、`/api/v1/retrieval`;健康检查 `/v1/system/healthz` |
 | 开发 PG / Redis | 见下方凭据来源 | 远端 PG **15**(用户确认可用,不强制 PG16);Redis `100.64.0.8:6379` |
 
+**Dify 状态(2026-06-28 盘点)**:当前 Muse 1.0.0 运行链路没有接入 Dify,infra 主机也未部署 Dify 相关容器/端口。仓内只剩设计映射与示例测试提及 Dify;因此它不是当前生产运行时依赖。若产品后续要求 Dify 工作流能力,应按新集成从契约、配置、失败闭环、live 验收补齐,不能把它当成已存在基础设施。
+
 **凭据来源(明文不入库,只记位置)**:
 - 外部验收:`muse-cloud/scripts/dev/p1r-external-acceptance.env`(`set -a; . 该文件; set +a` 加载;含 New-API base/token、`MUSE_AI_NEW_API_DEFAULT_MODEL_KEY=MiniMax-M2.5`、RAGFlow base/key、GraphRAG 开关)。
 - 开发基础设施:`~/.config/muse-repo/infra.env`(PG/Redis 连接 + 真实凭据)。
@@ -26,8 +28,9 @@
 - **RAGFlow 建数据集**:`POST /api/v1/datasets` 带 `config:{}` 返回 `code=101 Extra inputs are not permitted`;**只发 `name`** 才 `code=0`。adapter 已改为 createDataset 只发 name,config 走独立 `updateDatasetConfig`。
 - **RAGFlow 文档状态轮询**:用真实支持的 `?id=<docId>`(单个);多 id 在 adapter 内 fail-closed 为 `VALIDATION_ERROR`。
 - **RAGFlow 无 copy/clone dataset API**:复制一份 dataset 必须重走 `createDataset` + 逐文档上传 + `startParse` 重新索引,无法共享原 dataset 的索引(market KB 物化 D0-fork 据此设计,见 [`market-install-downstream-materialization.md`](market-install-downstream-materialization.md))。
-- **RAGFlow 检索 metadata 过滤字段名 bug(潜伏)**:现行代码发 `metadata_filter`,而 RAGFlow 官方契约是 `metadata_condition`,字段名不匹配被 RAGFlow **静默忽略**(不报错、过滤不生效)。任何依赖运行时 metadata 过滤做隔离/筛选的设计都会因此失效;market KB 隔离刻意改用物理隔离(公开副本)绕开,故此 bug 当前潜伏不影响隔离,但仍待修。
+- **RAGFlow 检索 metadata 字段名**:RAGFlow 官方契约是 `metadata_condition`。2026-06-28 已将 Muse HTTP 客户端从旧的 `metadata_filter` 修为 `metadata_condition`,并用请求体单测防回退。即便字段已修,跨可见性安全隔离仍不得依赖运行时 metadata 过滤,market KB 继续使用公开副本物理隔离。
 - **GraphRAG attribution**:默认 fail-closed(`ATTRIBUTION_NOT_CONFIGURED`);真跑需 `MUSE_KNOWLEDGE_RAGFLOW_GRAPHRAG_ATTRIBUTION_READY=true` + `..._GRAPHRAG_DATASET_ID`。
+- **New-API/RAGFlow Java 客户端代理污染**:2026-06-28 盘点时,未清代理的 Java/Python 探针曾返回 502,但 `curl --noproxy '*'` 与清代理 live IT 均证明 New-API/RAGFlow 可用。运行时代码已在 New-API 文本生成、导入解析、RAGFlow HTTP 客户端上显式使用 direct `ProxySelector`,避免 macOS/环境代理把 tailnet 内网请求转到本地代理导致假故障。
 
 ## 三、前端 / 构建坑速查
 - **studio(Vite + React + TS6.0)**:`erasableSyntaxOnly` 禁用 constructor 参数属性;`exactOptionalPropertyTypes` 下可选属性需规避写法;采纳/Diff 用 **Coarse-to-Fine 分级 Diff** 规避 3000+ 字正文上 O(N×M) LCS 性能爆炸;MSW 仅 `import.meta.env.DEV` 启用。
diff --git a/.agents/knowledge/market-install-downstream-materialization.md b/.agents/knowledge/market-install-downstream-materialization.md
index 07a975fe..a6361ea1 100644
--- a/.agents/knowledge/market-install-downstream-materialization.md
+++ b/.agents/knowledge/market-install-downstream-materialization.md
@@ -53,4 +53,4 @@ market 的安装流程原本只写两样东西——`muse_market_installation` 
 
 - **副本资源回收待做**。资产被删/版本更替后,旧的公开副本 dataset 没有清理路径。
 - **下架/撤权的细粒度补偿仍待设计**。E4 已覆盖 recall→installed_ref 停检索的合规底线;delist/revoke 的差异化策略、已运行任务补偿、生产者自助入口仍后置。
-- **metadata_filter 字段 bug 待修(已知、刻意未依赖)**。代码里发的是 `metadata_filter`,而 RAGFlow 官方契约是 `metadata_condition`,字段名不匹配被 RAGFlow 静默忽略。D0-fork 刻意不依赖运行时 metadata 过滤(改用物理隔离),所以这个 bug 目前潜伏不影响隔离;但它仍是一个待修的真实缺陷。详见 [`external-deps-and-gotchas.md`](external-deps-and-gotchas.md) 的 RAGFlow 集成坑。
+- **metadata 字段名 bug 已修,但不作为隔离边界**。2026-06-28 已将 RAGFlow 检索请求从旧 `metadata_filter` 修为官方 `metadata_condition`,并补请求体回归测试。D0-fork 仍刻意不依赖运行时 metadata 过滤(继续使用公开副本物理隔离),避免外部契约漂移再次变成私有泄露风险。详见 [`external-deps-and-gotchas.md`](external-deps-and-gotchas.md) 的 RAGFlow 集成坑。
diff --git a/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/NewApiMuseAiImportLlmParser.java b/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/NewApiMuseAiImportLlmParser.java
index ac3ee7e3..93be5ad9 100644
--- a/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/NewApiMuseAiImportLlmParser.java
+++ b/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/NewApiMuseAiImportLlmParser.java
@@ -9,6 +9,7 @@ import org.springframework.util.StringUtils;
 
 import java.io.IOException;
 import java.net.ConnectException;
+import java.net.ProxySelector;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
@@ -33,6 +34,7 @@ public class NewApiMuseAiImportLlmParser implements MuseAiImportLlmParser {
     private static final String CHAT_COMPLETIONS_PATH = "/v1/chat/completions";
     private static final int MAX_LLM_INPUT_CHARS = 180_000;
     private static final int MAX_LLM_CHAPTERS = 300;
+    private static final ProxySelector DIRECT_PROXY_SELECTOR = ProxySelector.of(null);
 
     private final MuseAiProperties.NewApi properties;
     private final HttpClient httpClient;
@@ -41,6 +43,8 @@ public class NewApiMuseAiImportLlmParser implements MuseAiImportLlmParser {
         this.properties = museAiProperties == null ? null : museAiProperties.getNewApi();
         this.httpClient = HttpClient.newBuilder()
                 .connectTimeout(Duration.ofSeconds(positive(connectTimeoutSeconds(), 5)))
+                // 导入解析也调用 tailnet 内网 New-API，必须绕开 JVM/系统代理，避免可用服务被误判为 502。
+                .proxy(DIRECT_PROXY_SELECTOR)
                 .build();
     }
 
diff --git a/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/facade/RealNewApiMuseAiRuntimeClient.java b/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/facade/RealNewApiMuseAiRuntimeClient.java
index 9cbd05f7..655c954a 100644
--- a/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/facade/RealNewApiMuseAiRuntimeClient.java
+++ b/muse-cloud/muse-module-ai/muse-module-ai-server/src/main/java/cn/iocoder/muse/module/ai/application/muse/facade/RealNewApiMuseAiRuntimeClient.java
@@ -7,6 +7,7 @@ import org.springframework.util.StringUtils;
 
 import java.io.IOException;
 import java.net.ConnectException;
+import java.net.ProxySelector;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
@@ -29,6 +30,7 @@ public class RealNewApiMuseAiRuntimeClient implements MuseAiRuntimeClient {
 
     private static final String CHAT_COMPLETIONS_PATH = "/v1/chat/completions";
     private static final int OUTPUT_SNIPPET_LIMIT = 60;
+    private static final ProxySelector DIRECT_PROXY_SELECTOR = ProxySelector.of(null);
 
     private final MuseAiProperties.NewApi properties;
     private final HttpClient httpClient;
@@ -37,6 +39,8 @@ public class RealNewApiMuseAiRuntimeClient implements MuseAiRuntimeClient {
         this.properties = museAiProperties == null ? null : museAiProperties.getNewApi();
         this.httpClient = HttpClient.newBuilder()
                 .connectTimeout(Duration.ofSeconds(positive(connectTimeoutSeconds(), 5)))
+                // New-API 部署在 tailnet 内网，必须显式直连，避免 JVM/系统代理残留把 live 验证误导成 502。
+                .proxy(DIRECT_PROXY_SELECTOR)
                 .build();
     }
 
diff --git a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/HttpRagFlowKnowledgeRuntimeClient.java b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/HttpRagFlowKnowledgeRuntimeClient.java
index d4c966f2..ce9b30e4 100644
--- a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/HttpRagFlowKnowledgeRuntimeClient.java
+++ b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/HttpRagFlowKnowledgeRuntimeClient.java
@@ -6,6 +6,7 @@ import org.springframework.util.StringUtils;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.net.ProxySelector;
 import java.net.URLEncoder;
 import java.net.URI;
 import java.net.http.HttpClient;
@@ -38,6 +39,7 @@ public class HttpRagFlowKnowledgeRuntimeClient implements RagFlowKnowledgeRuntim
     private final int retryBudget;
     private final boolean graphRagAttributionReady;
     private final HttpClient httpClient;
+    private static final ProxySelector DIRECT_PROXY_SELECTOR = ProxySelector.of(null);
 
     public HttpRagFlowKnowledgeRuntimeClient(String baseUrl, String apiKey, Duration timeout,
                                              int retryBudget, boolean graphRagAttributionReady) {
@@ -46,7 +48,11 @@ public class HttpRagFlowKnowledgeRuntimeClient implements RagFlowKnowledgeRuntim
         this.timeout = timeout == null ? Duration.ofSeconds(5) : timeout;
         this.retryBudget = Math.max(retryBudget, 0);
         this.graphRagAttributionReady = graphRagAttributionReady;
-        this.httpClient = HttpClient.newBuilder().connectTimeout(this.timeout).build();
+        this.httpClient = HttpClient.newBuilder()
+                .connectTimeout(this.timeout)
+                // RAGFlow 部署在 tailnet 内网，显式直连可避免系统代理污染 live IT 与运行时调用。
+                .proxy(DIRECT_PROXY_SELECTOR)
+                .build();
     }
 
     @Override
@@ -152,7 +158,10 @@ public class HttpRagFlowKnowledgeRuntimeClient implements RagFlowKnowledgeRuntim
         body.put("question", command.question());
         body.put("top_k", command.topK());
         body.put("similarity_threshold", command.threshold());
-        body.put("metadata_filter", command.metadataFilter());
+        // RAGFlow 官方 HTTP 契约字段名是 metadata_condition；旧字段 metadata_filter 会被静默忽略。
+        if (command.metadataCondition() != null) {
+            body.put("metadata_condition", command.metadataCondition());
+        }
         return executeJson(Operation.RETRIEVE_CHUNKS, command.correlationId(), command.requestHash(), command.attempt(),
                 "POST", "/api/v1/retrieval", body, null, null);
     }
diff --git a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClient.java b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClient.java
index 5499c893..ed970ae2 100644
--- a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClient.java
+++ b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/main/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClient.java
@@ -157,7 +157,7 @@ public interface RagFlowKnowledgeRuntimeClient {
 
     record RetrieveChunksCommand(Long tenantId, Long ownerUserId, Long kbId, List<String> ragflowDatasetIds,
                                  List<String> ragflowDocumentIds, String question, Integer topK,
-                                 Double threshold, Map<String, Object> metadataFilter,
+                                 Double threshold, Map<String, Object> metadataCondition,
                                  String correlationId, String requestHash, int attempt) {
     }
 
diff --git a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/api/MuseKnowledgeRetrievalApiImplTest.java b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/api/MuseKnowledgeRetrievalApiImplTest.java
index 29b7b3f2..618efd8d 100644
--- a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/api/MuseKnowledgeRetrievalApiImplTest.java
+++ b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/api/MuseKnowledgeRetrievalApiImplTest.java
@@ -272,12 +272,12 @@ class MuseKnowledgeRetrievalApiImplTest extends BaseMockitoUnitTest {
 
     /**
      * SPIKE-隔离参数缺位证据（必产）：抓取实际发往 RAGFlow 的 RetrieveChunksCommand，
-     * 断言 document_ids 与 metadata_filter 均为 null —— 检索是"按授权 dataset 整库扫描"，
+     * 断言 document_ids 与 metadata condition 均为 null —— 检索是"按授权 dataset 整库扫描"，
      * 当前根本没有把 chunk 限定到"本安装授权子集"的任何手段。这是越权的机制根因，也指出
      * 补隔离（document_ids 限定 / 元数据过滤）的落点必须改 RetrieveChunksCommand 构造处。
      */
     @Test
-    void spike_should_sendNullDocumentIdsAndMetadataFilter_provingWholeDatasetScan() {
+    void spike_should_sendNullDocumentIdsAndMetadataCondition_provingWholeDatasetScan() {
         when(bindingMapper.selectActiveByWorkId(4001L)).thenReturn(List.of(authorizedBinding(5001L)));
         when(projectionMapper.selectActiveByWorkId(4001L)).thenReturn(List.of(projection(5001L, "active")));
         when(ragflowBindingMapper.selectActiveDatasetByKbId(5001L)).thenReturn(dataset("shared-dataset-D"));
@@ -293,7 +293,7 @@ class MuseKnowledgeRetrievalApiImplTest extends BaseMockitoUnitTest {
         // 整库扫描的证据：检索只带 dataset_ids + question，不带任何把 chunk 限定到授权子集的隔离参数。
         assertEquals(List.of("shared-dataset-D"), sent.ragflowDatasetIds());
         assertNull(sent.ragflowDocumentIds(), "document_ids 为 null → RAGFlow 对该 dataset 整库返回，无文档级隔离");
-        assertNull(sent.metadataFilter(), "metadata_filter 为 null → 无元数据级 chunk 过滤");
+        assertNull(sent.metadataCondition(), "metadata_condition 为 null → 无元数据级 chunk 过滤");
     }
 
     // ========================================================================================
diff --git a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClientTest.java b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClientTest.java
index 3284a77e..2f21a0a0 100644
--- a/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClientTest.java
+++ b/muse-cloud/muse-module-knowledge/muse-module-knowledge-server/src/test/java/cn/iocoder/muse/module/knowledge/application/muse/facade/RagFlowKnowledgeRuntimeClientTest.java
@@ -365,6 +365,27 @@ class RagFlowKnowledgeRuntimeClientTest {
         assertTrue(requestBody.contains("dataset_ids"));
     }
 
+    @Test
+    void retrieveChunksShouldSendMetadataConditionWithOfficialRagflowFieldName() {
+        // 回归:RAGFlow 检索元数据过滤的官方字段是 metadata_condition；
+        // metadata_filter 会被外部服务静默忽略，不能作为任何隔离或筛选证据。
+        CapturingHttpRagFlowKnowledgeRuntimeClient client = new CapturingHttpRagFlowKnowledgeRuntimeClient(
+                "https://ragflow.example", "configured-api-key",
+                "{\"code\":0,\"data\":{\"chunks\":[{\"content\":\"c\",\"score\":0.9}]}}");
+
+        RagFlowKnowledgeRuntimeClient.RuntimeResult result = client.retrieveChunks(
+                new RagFlowKnowledgeRuntimeClient.RetrieveChunksCommand(100L, 2001L, 4001L,
+                        List.of("dataset-1"), List.of("doc-1"), "q", 5, 0.2,
+                        Map.of("logic", "and", "conditions", List.of(Map.of(
+                                "name", "source", "comparison_operator", "=", "value", "public"))),
+                        "corr-metadata-condition", "hash-metadata-condition", 1));
+
+        assertEquals(RagFlowKnowledgeRuntimeClient.Status.SUCCEEDED, result.status());
+        String requestBody = new String(client.requests.get(0).body(), StandardCharsets.UTF_8);
+        assertTrue(requestBody.contains("\"metadata_condition\""));
+        assertFalse(requestBody.contains("\"metadata_filter\""));
+    }
+
     @Test
     void listChunksShouldSucceedWithoutTopLevelId() {
         HttpRagFlowKnowledgeRuntimeClient client = new StubHttpRagFlowKnowledgeRuntimeClient(
diff --git a/muse-cloud/scripts/run-p1r-verification.sh b/muse-cloud/scripts/run-p1r-verification.sh
index a20c5867..896ef801 100644
--- a/muse-cloud/scripts/run-p1r-verification.sh
+++ b/muse-cloud/scripts/run-p1r-verification.sh
@@ -224,7 +224,7 @@ run_external_live() {
     -Dtest="${MODULE_LIVE_TESTS}" \
     -DfailIfNoSpecifiedTests=false \
     -Dsurefire.failIfNoSpecifiedTests=false \
-    -DargLine="-Dhttp.proxyHost= -Dhttp.proxyPort= -Dhttps.proxyHost= -Dhttps.proxyPort= -Djava.net.useSystemProxies=false")
+    -DargLine="$(live_arg_line)")
 }
 
 case "${MODE}" in