diff --git a/cypher-executor/src/actions/cypher-handlers.ts b/cypher-executor/src/actions/cypher-handlers.ts
index c0010ec..cc5648f 100644
--- a/cypher-executor/src/actions/cypher-handlers.ts
+++ b/cypher-executor/src/actions/cypher-handlers.ts
@@ -17,10 +17,12 @@ export async function handleCypherSearch(
     throw new Error('無法解析任何節點');
   }
 
-  const { nodeResults } = searchNodes(parsed);
+  // 2026-07-30：查 registry 判真實存在（workflow-discovery）。
+  // `missing` 以前寫死 []，等於告訴 AI「什麼都有」——那是「腹語術」的入口。
+  const { nodeResults, missingNodes } = await searchNodes(parsed, undefined, env);
 
   const graph = buildExecutionGraph(parsed, nodeResults, 'cypher-search-result', 'Cypher Search Result');
-  return { nodes: nodeResults, cypher: { nodes: graph.nodes, edges: graph.edges }, missing: [] };
+  return { nodes: nodeResults, cypher: { nodes: graph.nodes, edges: graph.edges }, missing: missingNodes };
 }
 
 export async function handleCypherExecute(
@@ -50,7 +52,7 @@ export async function handleCypherExecute(
     throw new Error('無法解析任何節點');
   }
 
-  const { nodeResults } = searchNodes(parsed, config);
+  const { nodeResults } = await searchNodes(parsed, config, env);
 
   const graph = buildExecutionGraph(parsed, nodeResults, graphId, graphName, config);
   const parseResult = graphSchema.safeParse(graph);
diff --git a/cypher-executor/src/actions/search-nodes.ts b/cypher-executor/src/actions/search-nodes.ts
index 0593440..a63af06 100644
--- a/cypher-executor/src/actions/search-nodes.ts
+++ b/cypher-executor/src/actions/search-nodes.ts
@@ -1,27 +1,53 @@
 import type { ParsedTriplets, NodeRole } from './triplet-parser';
 import { resolveNodeRole } from './triplet-parser';
+import { wasmWorkerUrl } from '../lib/component-loader';
+
+export type NodeStatus = 'found' | 'missing' | 'unknown';
+
+export type NodeInfo = {
+  status: NodeStatus;
+  componentId?: string;
+  type: NodeRole;
+  /** 零件契約（found 時附上，讓 AI 知道怎麼填 payload）。 */
+  input_schema?: unknown;
+  /** 成功率（found 時附上，讓「被測過幾次」看得見）。 */
+  success_rate?: number;
+  stability?: string;
+  /** missing 時給的相近零件建議（避免 AI 只知道「沒有」卻不知道該用什麼）。 */
+  suggestions?: string[];
+};
 
 export type SearchResult = {
-  nodeResults: Record<string, { status: 'found' | 'missing'; componentId?: string; type: NodeRole }>;
+  nodeResults: Record<string, NodeInfo>;
   missingNodes: string[];
 };
 
 /**
- * 對所有節點進行解析，確認每個節點對應的零件 ID。
+ * 對所有節點進行解析，確認每個節點對應的零件 ID 與**是否真的存在**。
  *
- * 注意：此步驟只做靜態解析，不做遠端查找。
- * 零件是否真的存在由 component-loader 在執行時決定（Service Binding / KV / URL）。
+ * ⚠️ 2026-07-30 改為會查 registry（workflow-discovery task 3.x）。
  *
- * 優先序：
- *   1. Input/Output 角色：自動標記，componentId = 小寫節點名稱
- *   2. config[nodeName].component 已指定：使用 config 提供的 componentId
- *   3. 其他：componentId = 節點名稱（交給 component-loader 在執行時解析）
+ * 改之前的行為（病灶）：無條件回 `status: 'found'`、`missingNodes` 永遠是空陣列——
+ * 型別雖宣告了 `'missing'` 但程式碼從不使用。實測「完全不存在的東西xyz」也回 found。
+ *
+ * 為什麼這是嚴重問題（leo 2026-07-30 定性「腹語術」）：
+ *   AI 寫意圖 → 查詢回「都 found」（假信號）→ 實際零件不存在
+ *   → 部署/執行才發現 → 最快的修法是改寫成 `code` 節點自己寫 JS
+ *   → 於是正式 workflow 只用 2 個零件、8 個 code 節點含 if×61
+ *   ⇒ 「零件被測過 1000 次所以 AI 只要填 payload」的價值完全落空。
+ *
+ * 誠實限制：查不到 registry（未部署／網路失敗）時回 `'unknown'` 而不是 `'missing'`——
+ * 不能因為查詢失敗就宣告零件不存在（那會讓 AI 誤判而重寫 code，正是要避免的事）。
  */
-export function searchNodes(
+export async function searchNodes(
   parsed: ParsedTriplets,
   config?: Record<string, Record<string, unknown>>,
-): SearchResult {
-  const nodeResults: Record<string, { status: 'found' | 'missing'; componentId?: string; type: NodeRole }> = {};
+  env?: { WORKER_SUBDOMAIN?: string },
+): Promise<SearchResult> {
+  const nodeResults: Record<string, NodeInfo> = {};
+  const missingNodes: string[] = [];
+
+  const sub = env?.WORKER_SUBDOMAIN;
 
   for (const nodeName of parsed.nodeNames) {
     const role = resolveNodeRole(nodeName, parsed);
@@ -33,8 +59,85 @@ export function searchNodes(
 
     const configComponent = config?.[nodeName]?.component as string | undefined;
     const componentId = configComponent ?? nodeName;
-    nodeResults[nodeName] = { status: 'found', componentId, type: role };
+
+    // config 明確給了 component（多半是安裝器代入的 worker URL 或既有 workflow）
+    // → 不判 missing。這條路徑的存在性由 component-loader 在執行時決定（原行為）。
+    if (configComponent) {
+      nodeResults[nodeName] = { status: 'found', componentId, type: role };
+      continue;
+    }
+
+    if (!sub) {
+      nodeResults[nodeName] = { status: 'unknown', componentId, type: role };
+      continue;
+    }
+
+    const q = await fetchComponent(sub, componentId);
+    if (!q.ok) {
+      // registry 查不通（未部署／網路失敗）⇒ 誠實回 unknown。
+      // **不能誤判 missing**——那會讓 AI 以為零件不存在而重寫 code，正是要避免的事。
+      nodeResults[nodeName] = { status: 'unknown', componentId, type: role };
+      continue;
+    }
+    if (q.entry) {
+      nodeResults[nodeName] = {
+        status: 'found',
+        componentId,
+        type: role,
+        input_schema: q.entry.input_schema,
+        success_rate: q.entry.success_rate,
+        stability: q.entry.stability,
+      };
+      continue;
+    }
+
+    nodeResults[nodeName] = { status: 'missing', componentId, type: role };
+    missingNodes.push(nodeName);
   }
 
-  return { nodeResults, missingNodes: [] };
+  return { nodeResults, missingNodes };
+}
+
+type CatalogEntry = {
+  input_schema?: unknown;
+  success_rate?: number;
+  stability?: string;
+};
+
+/**
+ * 查單一零件是否存在於 registry。
+ *
+ * ⚠️ 為什麼逐個查而非抓整份目錄：registry **沒有列表端點**
+ * （實測 `GET /components` → 404，只有 `GET /components/<id>`）。
+ * 這是 CP2-B 記載的缺口（「修 /components 404」）——補了列表端點後可改為抓一次。
+ * 現階段逐個查：節點數通常 <10，且有 5s timeout，可接受。
+ *
+ * 回傳 `null` 代表「查不到 registry 或該零件不存在」，由呼叫端區分：
+ * 整體查不通 → `unknown`；查得通但這顆沒有 → `missing`。
+ */
+async function fetchComponent(
+  subdomain: string,
+  id: string,
+): Promise<{ ok: boolean; entry?: CatalogEntry }> {
+  try {
+    const base = wasmWorkerUrl('registry', subdomain);
+    const res = await fetch(`${base}/components/${encodeURIComponent(id)}`, {
+      signal: AbortSignal.timeout(5000),
+    });
+    if (res.status === 404) return { ok: true }; // registry 活著，但沒這顆
+    if (!res.ok) return { ok: false };
+    const body = (await res.json()) as { success?: boolean; data?: Record<string, unknown> };
+    if (body.success === false) return { ok: true }; // 同上：回「零件不存在」
+    const d = body.data ?? (body as unknown as Record<string, unknown>);
+    return {
+      ok: true,
+      entry: {
+        input_schema: d.input_schema,
+        success_rate: typeof d.success_rate === 'number' ? d.success_rate : undefined,
+        stability: typeof d.stability === 'string' ? d.stability : undefined,
+      },
+    };
+  } catch {
+    return { ok: false };
+  }
 }
diff --git a/cypher-executor/src/actions/webhook-graph-resolver.ts b/cypher-executor/src/actions/webhook-graph-resolver.ts
index 3885a3b..37c87f7 100644
--- a/cypher-executor/src/actions/webhook-graph-resolver.ts
+++ b/cypher-executor/src/actions/webhook-graph-resolver.ts
@@ -14,7 +14,7 @@ export async function resolveWebhookGraph(
     const parsed = parseTriplets(body.triplets as unknown[]);
     if (!parsed) return { resolvedGraph: {}, error: '無法解析 triplets' };
 
-    const { nodeResults } = searchNodes(parsed);
+    const { nodeResults } = await searchNodes(parsed);
 
     const graphId = `webhook-${Date.now()}`;
     const graphName = description || `Webhook ${new Date().toISOString()}`;
diff --git a/system-dev/docs/3-specs/portal-auth/design.md b/system-dev/docs/3-specs/portal-auth/design.md
index deaac35..93655c5 100644
--- a/system-dev/docs/3-specs/portal-auth/design.md
+++ b/system-dev/docs/3-specs/portal-auth/design.md
@@ -1,6 +1,8 @@
 ---
-status: active
-superseded_by: ""
+status: closed
+superseded_by: "workflow-discovery"
+closed_at: "2026-07-30"
+closed_reason: "26/26 任務全完成、0 未完成待搬；封測 portal 多人授權已上線"
 ---
 
 # portal-auth — Design（RAG Portal 多人授權）
diff --git a/system-dev/docs/3-specs/workflow-discovery/design.md b/system-dev/docs/3-specs/workflow-discovery/design.md
index 3e2e31d..407b58d 100644
--- a/system-dev/docs/3-specs/workflow-discovery/design.md
+++ b/system-dev/docs/3-specs/workflow-discovery/design.md
@@ -1,5 +1,5 @@
 ---
-status: paused
+status: active
 superseded_by: ""
 ---