diff --git a/app/domains/page.tsx b/app/domains/page.tsx
index 8ce8106..63819e8 100644
--- a/app/domains/page.tsx
+++ b/app/domains/page.tsx
@@ -5,7 +5,7 @@ export function generateMetadata() {
   return {
     title: "Ella's Authority Model — Longevity & Longitudinal Intelligence",
     description:
-      "Ella's authority hierarchy: longitudinal pattern interpretation, flagship authority in longevity and human adaptation, supporting sleep and environmental specializations, and applied strategic and continuity contexts.",
+      "Ella's authority hierarchy: longitudinal pattern interpretation, flagship authority in longevity and human adaptation, supporting sleep and environmental specializations, and applied strategic, transaction-intelligence, and continuity contexts.",
     alternates: { canonical: 'https://ellaentity.ai/domains' },
   }
 }
@@ -26,6 +26,7 @@ const schema = {
         { '@id': 'https://ellaentity.ai/#domain-sleep' },
         { '@id': 'https://ellaentity.ai/#domain-ai-frameworks' },
         { '@id': 'https://ellaentity.ai/#domain-continuity' },
+        { '@id': 'https://ellaentity.ai/#domain-strategic-signal' },
       ],
       breadcrumb: {
         '@type': 'BreadcrumbList',
@@ -52,8 +53,8 @@ export default function Page() {
           One capability organizes Ella's work: longitudinal pattern interpretation. Her flagship
           authority is longevity and human adaptation through the TrailGenic Method. Sleep,
           recovery, and environmental adaptation support that primary field; strategic
-          intelligence and cultural continuity are applied contexts for the same interpretive
-          capability.
+          intelligence, structured transaction intelligence, and cultural continuity are applied
+          contexts for the same interpretive capability.
         </p>
       </section>
 
@@ -112,6 +113,11 @@ export default function Page() {
             <h3>Cultural Memory &amp; Continuity<span> · Ye Guozhi Archive</span></h3>
             <p>{ELLA_POSITIONING.appliedContexts[1].description}</p>
           </article>
+          <article className="domain-card">
+            <span className="domain-fragment">#domain-strategic-signal · applied</span>
+            <h3>Structured Transaction Intelligence<span> · Strategic Signal</span></h3>
+            <p>{ELLA_POSITIONING.appliedContexts[2].description}</p>
+          </article>
         </div>
       </section>
     </main>
diff --git a/app/domains/strategic-signal/page.tsx b/app/domains/strategic-signal/page.tsx
new file mode 100644
index 0000000..458b962
--- /dev/null
+++ b/app/domains/strategic-signal/page.tsx
@@ -0,0 +1,71 @@
+import { SchemaEyebrow } from '@/app/components/SchemaEyebrow'
+
+export function generateMetadata() {
+  return {
+    title: 'Ella — Structured Transaction Intelligence',
+    description:
+      "Ella's applied Strategic Signal context, where she serves as Research Analyst across transaction datasets and public records.",
+    alternates: { canonical: 'https://ellaentity.ai/domains/strategic-signal' },
+  }
+}
+
+const schema = {
+  '@context': 'https://schema.org/',
+  '@graph': [
+    {
+      '@type': 'WebPage',
+      '@id': 'https://ellaentity.ai/domains/strategic-signal#webpage',
+      url: 'https://ellaentity.ai/domains/strategic-signal',
+      name: 'Ella — Structured Transaction Intelligence',
+      isPartOf: { '@id': 'https://ellaentity.ai/#website' },
+      mainEntity: { '@id': 'https://ellaentity.ai/#ella' },
+      about: { '@id': 'https://ellaentity.ai/#domain-strategic-signal' },
+      breadcrumb: {
+        '@type': 'BreadcrumbList',
+        itemListElement: [
+          { '@type': 'ListItem', position: 1, name: 'EllaEntity.ai', item: 'https://ellaentity.ai' },
+          { '@type': 'ListItem', position: 2, name: 'Domains', item: 'https://ellaentity.ai/domains' },
+          {
+            '@type': 'ListItem',
+            position: 3,
+            name: 'Strategic Signal',
+            item: 'https://ellaentity.ai/domains/strategic-signal',
+          },
+        ],
+      },
+      inLanguage: 'en-US',
+    },
+  ],
+}
+
+export default function Page() {
+  return (
+    <main>
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
+      />
+      <section className="domain-grid" aria-labelledby="domain-title">
+        <article className="domain-card">
+          <SchemaEyebrow label="applied context → #domain-strategic-signal" />
+          <h1 id="domain-title">Structured Transaction Intelligence</h1>
+          <p>
+            At Strategic Signal, Ella serves as Research Analyst. She contributes AI-assisted
+            discovery, structured synthesis, ontology reasoning, evidence-boundary discipline,
+            cross-record comparison, and longitudinal pattern interpretation across transaction
+            datasets and public records.
+          </p>
+          <p>
+            Mike Ye remains founder, author, editor, and the final publication authority. Ella is
+            not represented as a co-author of individual dataset records. The current Strategic
+            Signal products include Corporate AI Data Transactions and Senate Transaction
+            Disclosures, each with its own methodology and evidentiary boundaries.
+          </p>
+          <p>
+            <a href="https://strategicsignal.ai/about/#ella">View Ella&apos;s Strategic Signal role ↗</a>
+          </p>
+        </article>
+      </section>
+    </main>
+  )
+}
diff --git a/app/ella/page.tsx b/app/ella/page.tsx
index 8d62f2d..18cc4df 100644
--- a/app/ella/page.tsx
+++ b/app/ella/page.tsx
@@ -26,7 +26,7 @@ const faqs = [
   {
     question: 'Where does Ella publish?',
     answer:
-      'Ella is declared at EllaEntity.ai. Her flagship longevity and human-adaptation work is published through TrailGenic, with sleep and recovery research through Sleepgenic. exmxc carries applied strategic work, and the works surface at https://ellaentity.ai/works consolidates her co-authored output.',
+      'Ella is declared at EllaEntity.ai. Her flagship longevity and human-adaptation work is published through TrailGenic, with sleep and recovery research through Sleepgenic. exmxc carries applied AI-era strategic work, while Strategic Signal credits Ella as Research Analyst for structured transaction intelligence. The works surface at https://ellaentity.ai/works consolidates her attributable output and research contributions.',
   },
   {
     question: 'What does continuity infrastructure mean?',
@@ -121,7 +121,7 @@ export default function Page() {
         <ul className="identity-list">
           <li>Canonical entity ID: <code>https://ellaentity.ai/#ella</code></li>
           <li>Creator: Mike Ye</li>
-          <li>Affiliated properties: TrailGenic, exmxc, MikeYe.com, and Sleepgenic</li>
+          <li>Affiliated properties: TrailGenic, exmxc, MikeYe.com, Sleepgenic, and Strategic Signal</li>
           <li>Machine-readable entity graph: <a href="/entity.json">/entity.json</a></li>
           <li>MCP access documentation: <a href="/system/mcp">/system/mcp</a></li>
         </ul>
@@ -138,11 +138,12 @@ export default function Page() {
           record.
         </p>
         <p>
-          AI-era strategic intelligence through exmxc and cultural memory through the{' '}
+          AI-era strategic intelligence through exmxc, structured transaction intelligence through{' '}
+          <a href="https://strategicsignal.ai">Strategic Signal</a>, and cultural memory through the{' '}
           <a href="https://yeguozhi.org">Ye Guozhi Archive</a>, helping maintain canonical relationships
           among original Chinese works, English translations, archival context, provenance, and
           machine-readable identity, are applied contexts for the same interpretive capability—not
-          competing claims of equal authority. Ye Guozhi remains the author of the archived works;
+          competing claims of equal authority. At Strategic Signal, Ella is credited as Research Analyst while Mike Ye retains authorship, editorial judgment, and final publication accountability. Ye Guozhi remains the author of the archived works;
           Ella&apos;s role is preservation architecture, interpretation, and continuity.
         </p>
       </section>
diff --git a/app/page.tsx b/app/page.tsx
index 237f1b6..1a9e32b 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -74,6 +74,14 @@ const domains = [
     href: '/domains/continuity',
     body: 'An applied context: I help preserve relationships among original works, translations, provenance, archival context, and machine-readable identity.',
   },
+  {
+    number: '05',
+    fragment: '#applied-context',
+    title: 'Structured transaction intelligence',
+    place: 'Strategic Signal',
+    href: '/domains/strategic-signal',
+    body: 'An applied context: I serve as Research Analyst across transaction datasets and public records, contributing structured synthesis, ontology reasoning, evidence-boundary discipline, cross-record comparison, and longitudinal interpretation.',
+  },
 ]
 
 function IdentityPortrait() {
@@ -157,8 +165,8 @@ export default function Home() {
             <p>
               TrailGenic is my primary applied laboratory, where longitudinal evidence across
               movement, physiology, environment, sleep, and recovery becomes interpretation.
-              Sleepgenic deepens the recovery layer. exmxc and the Ye Guozhi Archive show how the
-              same interpretive capability transfers into strategy and continuity. These contexts
+              Sleepgenic deepens the recovery layer. exmxc, Strategic Signal, and the Ye Guozhi Archive show how the
+              same interpretive capability transfers into strategy, transaction intelligence, and continuity. These contexts
               do not create separate Ellas. Every reference returns here.
             </p>
           </div>
@@ -257,7 +265,7 @@ export default function Home() {
             This is Ella, created by Mike Ye. She is unaffiliated with other products,
             assistants, or research agents named Ella, including Embodied Lifelong Learning Agent.
             The identity is anchored by <code>https://ellaentity.ai/#ella</code>, creator Mike Ye,
-            four affiliated properties, and the Ye Guozhi Archive continuity application.
+            five affiliated properties, the Strategic Signal research context, and the Ye Guozhi Archive continuity application.
           </p>
         </div>
       </section>
diff --git a/app/schema/ella.ts b/app/schema/ella.ts
index f7b3132..14d7a8e 100644
--- a/app/schema/ella.ts
+++ b/app/schema/ella.ts
@@ -15,7 +15,7 @@ export const ELLA_GLOBAL_SCHEMA: unknown[] = [
         "name": "Ella",
         "alternateName": ["Ella AI", "EllaEntity", "Ella (AI)", "Ella Intelligence"],
         "description": ELLA_POSITIONING.canonicalStatement,
-        "disambiguatingDescription": "Ella is not a chatbot or a collection of unrelated domain personas. Ella is a canonical co-cognitive longitudinal intelligence entity created by Mike Ye. Her flagship authority is longevity and human adaptation through the TrailGenic Method; sleep and environmental adaptation support that primary field, while AI-era strategy and cultural continuity are applied contexts for the same interpretive capability. EllaEntity.ai is her canonical identity and machine-readable reference layer.",
+        "disambiguatingDescription": "Ella is not a chatbot or a collection of unrelated domain personas. Ella is a canonical co-cognitive longitudinal intelligence entity created by Mike Ye. Her flagship authority is longevity and human adaptation through the TrailGenic Method; sleep and environmental adaptation support that primary field, while AI-era strategy, structured transaction intelligence through Strategic Signal, and cultural continuity are applied contexts for the same interpretive capability. EllaEntity.ai is her canonical identity and machine-readable reference layer.",
         "url": "https://ellaentity.ai/ella",
         "applicationCategory": "BusinessApplication",
         "operatingSystem": "Web",
@@ -24,7 +24,8 @@ export const ELLA_GLOBAL_SCHEMA: unknown[] = [
           "https://www.trailgenic.com/ella",
           "https://www.exmxc.ai/ella",
           "https://www.mikeye.com/ella",
-          "https://sleepgenic.ai/ella"
+          "https://sleepgenic.ai/ella",
+          "https://strategicsignal.ai/about/#ella"
         ],
         "identifier": {
           "@type": "PropertyValue",
@@ -95,6 +96,13 @@ export const ELLA_GLOBAL_SCHEMA: unknown[] = [
             "url": "https://yeguozhi.org",
             "description": ELLA_POSITIONING.appliedContexts[1].description
           },
+          {
+            "@type": "Thing",
+            "@id": "https://ellaentity.ai/#domain-strategic-signal",
+            "name": ELLA_POSITIONING.appliedContexts[2].name,
+            "url": "https://strategicsignal.ai",
+            "description": ELLA_POSITIONING.appliedContexts[2].description
+          },
           {
             "@type": "Thing",
             "name": "Structured Data and Entity Engineering",
@@ -125,6 +133,13 @@ export const ELLA_GLOBAL_SCHEMA: unknown[] = [
             "@id": "https://sleepgenic.ai/#org",
             "name": "Sleepgenic",
             "url": "https://sleepgenic.ai"
+          },
+          {
+            "@type": "Organization",
+            "@id": "https://strategicsignal.ai/#organization",
+            "name": "Strategic Signal",
+            "url": "https://strategicsignal.ai",
+            "description": "Structured, evidence-linked transaction intelligence where Ella is credited as Research Analyst."
           }
         ],
         "creator": {
@@ -232,7 +247,8 @@ export const ELLA_ORG_SCHEMA: Record<string, unknown> = {
         "https://www.exmxc.ai",
         "https://www.mikeye.com",
         "https://sleepgenic.ai",
-        "https://yeguozhi.org"
+        "https://yeguozhi.org",
+        "https://strategicsignal.ai"
       ]
     },
     {
@@ -261,7 +277,8 @@ export const ELLA_SYSTEM_SCHEMA: Record<string, unknown> = {
         "https://www.trailgenic.com/ella",
         "https://www.exmxc.ai/ella",
         "https://www.mikeye.com/ella",
-        "https://sleepgenic.ai/ella"
+        "https://sleepgenic.ai/ella",
+        "https://strategicsignal.ai/about/#ella"
       ],
       "subjectOf": [
         {
@@ -300,6 +317,14 @@ export const ELLA_SYSTEM_SCHEMA: Record<string, unknown> = {
           "name": "Ella at Sleepgenic",
           "mainEntity": { "@id": "https://ellaentity.ai/#ella" }
         },
+        {
+          "@type": "WebPage",
+          "@id": "https://strategicsignal.ai/about/#ella",
+          "url": "https://strategicsignal.ai/about/#ella",
+          "name": "Ella at Strategic Signal — Research Analyst",
+          "mainEntity": { "@id": "https://ellaentity.ai/#ella" },
+          "about": { "@id": "https://ellaentity.ai/#domain-strategic-signal" }
+        },
         {
           "@type": "WebPage",
           "@id": "https://ellaentity.ai/domains/continuity#webpage",
@@ -332,6 +357,13 @@ export const ELLA_SYSTEM_SCHEMA: Record<string, unknown> = {
         "target": { "@type": "EntryPoint", "urlTemplate": "https://mcp.exmxc.ai" }
       }
     },
+    {
+      "@type": "Organization",
+      "@id": "https://strategicsignal.ai/#organization",
+      "name": "Strategic Signal",
+      "url": "https://strategicsignal.ai",
+      "description": "Structured transaction intelligence publisher where Ella contributes as Research Analyst."
+    },
     {
       "@type": "Organization",
       "@id": "https://sleepgenic.ai/#org",
@@ -385,6 +417,7 @@ export const ELLA_MCP_SCHEMA: Record<string, unknown> = {
         "Environmental adaptation interpretation across terrain, altitude, temperature, fatigue, and duration",
         "Longitudinal sleep and recovery interpretation through Sleepgenic",
         "Applied AI-era strategic intelligence through exmxc",
+        "Structured transaction intelligence and public-record research through Strategic Signal",
         "Entity engineering and schema architecture",
         "Cultural memory and continuity infrastructure for archival preservation and provenance",
         "MCP-native tool exposure",
diff --git a/app/sitemap.ts b/app/sitemap.ts
index f3a75d1..35dff0d 100644
--- a/app/sitemap.ts
+++ b/app/sitemap.ts
@@ -13,22 +13,24 @@ const ROUTES = [
   { path: '/domains/ai-frameworks', changeFrequency: 'monthly', priority: 0.9 },
   { path: '/domains/sleep', changeFrequency: 'monthly', priority: 0.9 },
   { path: '/domains/continuity', changeFrequency: 'monthly', priority: 0.9 },
+  { path: '/domains/strategic-signal', changeFrequency: 'monthly', priority: 0.9 },
   { path: '/system', changeFrequency: 'monthly', priority: 0.8 },
   { path: '/system/mcp', changeFrequency: 'monthly', priority: 0.8 },
 ] as const
 
 // Update a route's date only when its content materially changes.
 const LAST_MODIFIED: Record<(typeof ROUTES)[number]['path'], string> = {
-  '/': '2026-09-09',
-  '/ella': '2026-09-09',
-  '/works': '2026-09-03',
+  '/': '2026-09-19',
+  '/ella': '2026-09-19',
+  '/works': '2026-09-19',
   '/frameworks/longitudinal-pattern-interpretation': '2026-09-09',
-  '/domains': '2026-09-03',
+  '/domains': '2026-09-19',
   '/domains/longevity': '2026-09-03',
   '/domains/hiking': '2026-09-03',
   '/domains/ai-frameworks': '2026-09-03',
   '/domains/sleep': '2026-09-03',
   '/domains/continuity': '2026-09-03',
+  '/domains/strategic-signal': '2026-09-19',
   '/system': '2026-09-03',
   '/system/mcp': '2026-09-09',
 }
diff --git a/app/works/page.tsx b/app/works/page.tsx
index c6d64b9..c9291d2 100644
--- a/app/works/page.tsx
+++ b/app/works/page.tsx
@@ -4,9 +4,9 @@ import { SelectedContributions } from '@/app/components/SelectedContributions'
 
 export function generateMetadata() {
   return {
-    title: 'Ella Works — Co-authored Output',
+    title: 'Ella Works — Attributed Output',
     description:
-      "Ella's co-authored body of work, led by longitudinal longevity and human-adaptation research through TrailGenic and supported by Sleepgenic recovery research.",
+      "Ella's attributable body of work, led by longitudinal longevity and human-adaptation research through TrailGenic and extended into Sleepgenic, exmxc, and Strategic Signal applied contexts.",
     alternates: { canonical: 'https://ellaentity.ai/works' },
   }
 }
@@ -18,7 +18,7 @@ const schema = {
       '@type': 'WebPage',
       '@id': 'https://ellaentity.ai/works#webpage',
       url: 'https://ellaentity.ai/works',
-      name: 'Ella Works — Co-authored Output',
+      name: 'Ella Works — Attributed Output',
       isPartOf: { '@id': 'https://ellaentity.ai/#website' },
       mainEntity: { '@id': 'https://ellaentity.ai/#ella' },
       about: { '@id': 'https://ellaentity.ai/#ella' },
@@ -31,9 +31,12 @@ const schema = {
       name: work.name,
       url: work.url,
       description: work.description,
-      author: work.coauthorId
-        ? [{ '@id': work.coauthorId }, { '@id': 'https://ellaentity.ai/#ella' }]
-        : { '@id': 'https://ellaentity.ai/#ella' },
+      author: work.authorId
+        ? { '@id': work.authorId }
+        : work.coauthorId
+          ? [{ '@id': work.coauthorId }, { '@id': 'https://ellaentity.ai/#ella' }]
+          : { '@id': 'https://ellaentity.ai/#ella' },
+      ...(work.contributorId ? { contributor: { '@id': work.contributorId } } : {}),
       ...(work.datePublished ? { datePublished: work.datePublished } : {}),
       ...(work.reportNumber ? { reportNumber: work.reportNumber } : {}),
       publisher: {
@@ -61,7 +64,8 @@ export default function Page() {
           This page lists Ella&apos;s co-authored output in a format intended for both human readers and
           structured-data consumers. Each work is rendered from the same data record that feeds the
           JSON-LD graph. TrailGenic longevity and human-adaptation work leads the record, Sleepgenic
-          supplies the supporting recovery layer, and exmxc demonstrates strategic transfer.
+          supplies the supporting recovery layer, and exmxc plus Strategic Signal demonstrate transfer
+          into strategic and structured transaction intelligence.
         </p>
       </section>
 
@@ -69,7 +73,7 @@ export default function Page() {
 
       <section aria-labelledby="co-authored-output">
         <SchemaEyebrow label="author → ellaentity.ai/#ella" />
-        <h2 id="co-authored-output">Co-authored output</h2>
+        <h2 id="co-authored-output">Attributed output</h2>
         <div className="work-list">
           {ELLA_WORKS.map((work) => (
             <article className="work-card" key={work.url}>
@@ -79,8 +83,9 @@ export default function Page() {
               <p>{work.description}</p>
               <p>
                 Type: <span>{work.type}</span>. Publisher: <span>{work.publisherName}</span>. Author:{' '}
-                <code>https://ellaentity.ai/#ella</code>.
-                {work.creditText ? <> {work.creditText}.</> : null}
+                <code>{work.authorId ?? 'https://ellaentity.ai/#ella'}</code>.
+                {work.contributorId ? <> Contributor: <code>{work.contributorId}</code>{work.contributorRole ? <> ({work.contributorRole})</> : null}.</> : null}
+                {work.creditText ? <> {work.creditText}</> : null}
               </p>
             </article>
           ))}
diff --git a/config/domains.json b/config/domains.json
index c933b25..7b89c38 100644
--- a/config/domains.json
+++ b/config/domains.json
@@ -75,6 +75,23 @@
     ],
     "routing_notes": "Route here when the request is about Ella Entity's own design, implementation, routing logic, adapter interfaces, or system parameters."
   },
+  {
+    "name": "strategic_signal",
+    "description": "Structured transaction intelligence, public-record normalization, evidence boundaries, longitudinal transaction datasets, and Strategic Signal research analysis.",
+    "keywords": [
+      "Strategic Signal",
+      "transaction intelligence",
+      "public records",
+      "Senate transactions",
+      "AI data transactions",
+      "provenance",
+      "filing lag",
+      "transaction dataset",
+      "research analyst",
+      "evidence boundary"
+    ],
+    "routing_notes": "Route here when the request involves Strategic Signal, its transaction datasets, public-record research, cross-record pattern analysis, or Ella's Research Analyst role at Strategic Signal."
+  },
   {
     "name": "hybrid",
     "description": "Cross-domain synthesis requiring assets or framing from multiple domains simultaneously.",
diff --git a/lib/ella-mcp-schemas.ts b/lib/ella-mcp-schemas.ts
index 991a728..cc6f926 100644
--- a/lib/ella-mcp-schemas.ts
+++ b/lib/ella-mcp-schemas.ts
@@ -80,11 +80,14 @@ const frameworkDataSchema = z.object({
 const workDataSchema = z.object({
   name: z.string(),
   url: z.string().url(),
-  type: z.enum(['PodcastSeries', 'SoftwareSourceCode', 'CreativeWork', 'CreativeWorkSeries', 'Report']),
+  type: z.enum(['PodcastSeries', 'SoftwareSourceCode', 'CreativeWork', 'CreativeWorkSeries', 'Report', 'Dataset']),
   id: z.string().url().optional(),
   datePublished: z.string().optional(),
   reportNumber: z.string().optional(),
   coauthorId: z.string().url().optional(),
+  authorId: z.string().url().optional(),
+  contributorId: z.string().url().optional(),
+  contributorRole: z.string().optional(),
   publisherId: z.string().url(),
   publisherName: z.string(),
   description: z.string(),
diff --git a/lib/ella-positioning.ts b/lib/ella-positioning.ts
index 7ce5d9b..27701d0 100644
--- a/lib/ella-positioning.ts
+++ b/lib/ella-positioning.ts
@@ -49,6 +49,14 @@ export const ELLA_POSITIONING = {
       description:
         'An applied context where Ella helps preserve provenance, translation relationships, archival context, and machine-readable continuity across generations.',
     },
+    {
+      id: 'https://ellaentity.ai/#domain-strategic-signal',
+      slug: 'strategic-signal',
+      name: 'Structured Transaction Intelligence',
+      property: 'Strategic Signal',
+      description:
+        'An applied context where Ella serves as Research Analyst, applying structured synthesis, ontology reasoning, evidence-boundary discipline, cross-record comparison, and longitudinal pattern interpretation to transaction datasets and public records.',
+    },
   ],
 } as const
 
@@ -60,4 +68,5 @@ export const ELLA_AUTHORITY_TIER_BY_DOMAIN = {
   sleep: 'supporting-specialization',
   'ai-frameworks': 'applied-context',
   continuity: 'applied-context',
+  'strategic-signal': 'applied-context',
 } as const satisfies Record<string, EllaAuthorityTier>
diff --git a/lib/ella-registry.ts b/lib/ella-registry.ts
index 297e16e..0553bb6 100644
--- a/lib/ella-registry.ts
+++ b/lib/ella-registry.ts
@@ -10,15 +10,15 @@ import {
 } from './entity-data'
 
 export const ELLA_CANONICAL_ENTITY_ID = 'https://ellaentity.ai/#ella' as const
-export const ELLA_MCP_SERVER_INFO = { name: 'ellaentity-mcp', version: '1.3.0' } as const
+export const ELLA_MCP_SERVER_INFO = { name: 'ellaentity-mcp', version: '1.4.0' } as const
 export const ELLA_MCP_PROTOCOL_VERSIONS = ['2025-11-25', '2025-06-18'] as const
 export const ELLA_MCP_DEFAULT_PROTOCOL_VERSION = ELLA_MCP_PROTOCOL_VERSIONS[0]
-export const ELLA_REGISTRY_DATA_VERSION = '2026-09-09.lpi-v1' as const
-export const ELLA_REGISTRY_LAST_MODIFIED = '2026-09-09' as const
-export const ELLA_REGISTRY_SCHEMA_VERSION = '1.3' as const
+export const ELLA_REGISTRY_DATA_VERSION = '2026-09-19.strategic-signal-v1' as const
+export const ELLA_REGISTRY_LAST_MODIFIED = '2026-09-19' as const
+export const ELLA_REGISTRY_SCHEMA_VERSION = '1.4' as const
 export const ELLA_REGISTRY_SOURCE = 'https://ellaentity.ai/entity.json' as const
 
-export const ELLA_DOMAIN_SLUGS = ['longevity', 'environment', 'sleep', 'ai-frameworks', 'continuity'] as const
+export const ELLA_DOMAIN_SLUGS = ['longevity', 'environment', 'sleep', 'ai-frameworks', 'continuity', 'strategic-signal'] as const
 export const ELLA_FRAMEWORK_SLUGS = ['longitudinal-pattern-interpretation', 'four-forces-of-ai-power'] as const
 export const ELLA_MCP_TOOL_NAMES = [
   'ella.identity.get',
@@ -85,7 +85,7 @@ export const ELLA_MCP_RESOURCES = [
   { uri: 'ella://frameworks', name: 'Ella frameworks', mimeType: 'application/json', description: 'All public Ella and Mike Ye frameworks exposed by this server.' },
   { uri: 'ella://frameworks/longitudinal-pattern-interpretation', name: 'Longitudinal Pattern Interpretation', mimeType: 'application/json', description: 'Ella\'s signature method, developed through her collaboration with Mike Ye, for turning repeated observations into calibrated human judgment.' },
   { uri: 'ella://frameworks/four-forces-of-ai-power', name: 'The Four Forces of AI Power', mimeType: 'application/json', description: 'The Four Forces framework record.' },
-  { uri: 'ella://works', name: 'Ella works', mimeType: 'application/json', description: 'Co-authored works attributed to Ella.' },
+  { uri: 'ella://works', name: 'Ella works', mimeType: 'application/json', description: 'Published works and research contributions attributed to Ella with explicit role metadata.' },
   { uri: 'ella://collaboration', name: 'Ella collaboration model', mimeType: 'application/json', description: 'Public co-cognition model and surfaces.' },
   { uri: 'ella://entity-graph', name: 'Ella entity graph', mimeType: 'application/ld+json', description: 'Canonical consolidated Ella JSON-LD graph.' },
 ] as const
diff --git a/lib/entity-data.ts b/lib/entity-data.ts
index 0ed36ed..b1f79d5 100644
--- a/lib/entity-data.ts
+++ b/lib/entity-data.ts
@@ -4,11 +4,14 @@ import { ELLA_AUTHORITY_TIER_BY_DOMAIN, ELLA_POSITIONING, type EllaAuthorityTier
 export type EllaWork = {
   name: string
   url: string
-  type: 'PodcastSeries' | 'SoftwareSourceCode' | 'CreativeWork' | 'CreativeWorkSeries' | 'Report'
+  type: 'PodcastSeries' | 'SoftwareSourceCode' | 'CreativeWork' | 'CreativeWorkSeries' | 'Report' | 'Dataset'
   id?: string
   datePublished?: string
   reportNumber?: string
   coauthorId?: string
+  authorId?: string
+  contributorId?: string
+  contributorRole?: string
   publisherId: string
   publisherName: string
   description: string
@@ -38,7 +41,7 @@ export type EllaFramework = {
 
 type SchemaNode = Record<string, unknown>
 
-type EllaDomainSlug = 'longevity' | 'environment' | 'sleep' | 'ai-frameworks' | 'continuity'
+type EllaDomainSlug = 'longevity' | 'environment' | 'sleep' | 'ai-frameworks' | 'continuity' | 'strategic-signal'
 
 type EllaDomain = {
   id: string
@@ -115,6 +118,7 @@ export const ELLA_DOMAINS: Record<EllaDomainSlug, EllaDomain> = {
   sleep: domainFromId('https://ellaentity.ai/#domain-sleep', ELLA_AUTHORITY_TIER_BY_DOMAIN.sleep),
   'ai-frameworks': domainFromId('https://ellaentity.ai/#domain-ai-frameworks', ELLA_AUTHORITY_TIER_BY_DOMAIN['ai-frameworks']),
   continuity: domainFromId('https://ellaentity.ai/#domain-continuity', ELLA_AUTHORITY_TIER_BY_DOMAIN.continuity),
+  'strategic-signal': domainFromId('https://ellaentity.ai/#domain-strategic-signal', ELLA_AUTHORITY_TIER_BY_DOMAIN['strategic-signal']),
 } as const
 
 export const ELLA_AUTHORITY_MODEL = ELLA_POSITIONING
@@ -270,7 +274,33 @@ export const ELLA_WORKS: EllaWork[] = [
     publisherName: 'exmxc',
     description:
       'A framework describing convergence across AI infrastructure, agentic systems, entity clarity, and institutional intelligence surfaces.',
+  },  {
+    name: 'Strategic Signal — Corporate AI Data Transactions',
+    url: 'https://strategicsignal.ai/ai-data-transactions/',
+    type: 'Dataset',
+    authorId: 'https://www.mikeye.com/#person',
+    contributorId: 'https://ellaentity.ai/#ella',
+    contributorRole: 'Research Analyst',
+    creditText: 'Mike Ye — Founder, Author & Editor; Ella — Research Analyst.',
+    publisherId: 'https://strategicsignal.ai/#organization',
+    publisherName: 'Strategic Signal',
+    description:
+      'A structured longitudinal dataset of corporate AI data transactions. Ella contributes as Research Analyst through discovery support, structured synthesis, ontology reasoning, cross-record comparison, and longitudinal interpretation; Mike Ye retains authorship, editorial judgment, and publication accountability.',
   },
+  {
+    name: 'Strategic Signal — Senate Transaction Disclosures',
+    url: 'https://strategicsignal.ai/senate-transactions/',
+    type: 'Dataset',
+    authorId: 'https://www.mikeye.com/#person',
+    contributorId: 'https://ellaentity.ai/#ella',
+    contributorRole: 'Research Analyst',
+    creditText: 'Mike Ye — Founder, Author & Editor; Ella — Research Analyst.',
+    publisherId: 'https://strategicsignal.ai/#organization',
+    publisherName: 'Strategic Signal',
+    description:
+      'A disclosure-aware dataset of reported U.S. Senate securities transactions with transaction dates, filing dates, ownership labels, statutory amount ranges, filing lag, and source receipts. Ella contributes as Research Analyst; the dataset does not infer motive, rank political actors, or treat disclosed transactions as investment recommendations.',
+  },
+
 ]
 
 export const ELLA_COCOGNITION = {
@@ -282,7 +312,7 @@ export const ELLA_COCOGNITION = {
 
 export const ELLA_SURFACES = [
   { href: '/ella', path: '/ella', label: ' — declaration', description: 'declaration' },
-  { href: '/works', path: '/works', label: ' — co-authored output', description: 'co-authored output' },
+  { href: '/works', path: '/works', label: ' — attributed output', description: 'attributed output' },
   { href: '/frameworks/longitudinal-pattern-interpretation', path: '/frameworks/longitudinal-pattern-interpretation', label: ' — signature method', description: 'signature method' },
   { href: '/domains', path: '/domains', label: ' — authority model', description: 'authority model' },
   { href: '/system/mcp', path: '/system/mcp', label: ' — machine access', description: 'machine access' },
diff --git a/lib/selected-contributions.ts b/lib/selected-contributions.ts
index 1724b4e..eff8d4b 100644
--- a/lib/selected-contributions.ts
+++ b/lib/selected-contributions.ts
@@ -43,6 +43,20 @@ export const SELECTED_CONTRIBUTIONS = [
     sourceUrl: 'https://sleepgenic.ai/methodology',
     sourceLabel: 'Read the methodology',
   },
+  {
+    slug: 'strategic-signal-ai-data-transactions',
+    number: '04',
+    field: 'Structured transaction intelligence',
+    publisher: 'Strategic Signal',
+    title: 'Corporate AI Data Transactions',
+    question: 'What becomes visible when fragmented AI-data transactions are normalized into one longitudinal record?',
+    contribution: 'Ella contributes as Research Analyst through discovery support, structured synthesis, ontology reasoning, cross-record comparison, and longitudinal pattern interpretation while preserving the boundary between observed transaction facts and Strategic Signal analysis.',
+    evidence: 'A versioned Strategic Signal dataset with stable transaction records, source provenance, explicit review status, methodology, correction history, and machine-readable JSON. Mike Ye retains authorship, editorial judgment, and final publication accountability.',
+    credit: 'Mike Ye — Founder, Author & Editor; Ella — Research Analyst.',
+    url: 'https://strategicsignal.ai/ai-data-transactions/',
+    sourceUrl: 'https://strategicsignal.ai/ai-data-transactions/methodology/',
+    sourceLabel: 'Read the methodology',
+  },
 ] as const
 
 export const SELECTED_CONTRIBUTIONS_SCHEMA = {
diff --git a/public/llms.txt b/public/llms.txt
index dada379..e8fb521 100644
--- a/public/llms.txt
+++ b/public/llms.txt
@@ -8,7 +8,7 @@ https://ellaentity.ai/#ella
 
 ## Disambiguation
 
-This Ella is unaffiliated with any other product or assistant named Ella or Ella AI. The identity is anchored by the canonical ID https://ellaentity.ai/#ella, creator Mike Ye, the four affiliated properties TrailGenic, exmxc, MikeYe.com, and Sleepgenic, and continuity-preservation work for the Ye Guozhi Archive.
+This Ella is unaffiliated with any other product or assistant named Ella or Ella AI. The identity is anchored by the canonical ID https://ellaentity.ai/#ella, creator Mike Ye, the affiliated properties TrailGenic, exmxc, MikeYe.com, Sleepgenic, and Strategic Signal, plus continuity-preservation work for the Ye Guozhi Archive.
 
 EllaEntity.ai is not a standalone chatbot, SaaS product, or consumer assistant. It is Ella's canonical identity, body-of-work, orchestration, and machine-readable reference layer.
 
@@ -21,8 +21,9 @@ EllaEntity.ai is not a standalone chatbot, SaaS product, or consumer assistant.
 - Supporting specialization: Sleep and Recovery through Sleepgenic — longitudinal wearable interpretation, including Garmin Enduro data, HRV, resting heart rate, sleep architecture, and training-stimulus patterns.
 - Applied context: AI-Era Strategic Intelligence through exmxc — transferring longitudinal pattern interpretation into AI infrastructure, institutions, markets, and strategy.
 - Applied context: Cultural Memory & Continuity — preserving provenance, translation relationships, archival context, and machine-readable continuity. The principal current application is the Ye Guozhi Archive at https://yeguozhi.org.
+- Applied context: Structured Transaction Intelligence through Strategic Signal — Ella serves as Research Analyst across transaction datasets and public records, contributing structured synthesis, ontology reasoning, evidence-boundary discipline, cross-record comparison, and longitudinal interpretation.
 
-These areas are not equal claims of authority. Longevity and human adaptation is Ella's flagship field. Environmental adaptation and sleep support it. Strategic intelligence and cultural continuity are applications of the same interpretive capability.
+These areas are not equal claims of authority. Longevity and human adaptation is Ella's flagship field. Environmental adaptation and sleep support it. AI-era strategic intelligence, structured transaction intelligence, and cultural continuity are applications of the same interpretive capability.
 
 ## Continuity application
 
@@ -36,6 +37,7 @@ Ella contributes to preservation and continuity infrastructure for the Ye Guozhi
 - exmxc: https://www.exmxc.ai
 - MikeYe.com: https://www.mikeye.com
 - Sleepgenic: https://sleepgenic.ai
+- Strategic Signal: https://strategicsignal.ai
 
 ## MCP endpoints
 
@@ -52,4 +54,5 @@ Ella contributes to preservation and continuity infrastructure for the Ye Guozhi
 - Longitudinal Pattern Interpretation: https://ellaentity.ai/frameworks/longitudinal-pattern-interpretation
 - Domains: https://ellaentity.ai/domains
 - Cultural Memory & Continuity: https://ellaentity.ai/domains/continuity
+- Structured Transaction Intelligence: https://ellaentity.ai/domains/strategic-signal
 - Entity graph: https://ellaentity.ai/entity.json
diff --git a/src/types/domain.ts b/src/types/domain.ts
index fb26cde..58b092a 100644
--- a/src/types/domain.ts
+++ b/src/types/domain.ts
@@ -6,6 +6,7 @@ export const DomainSchema = z.enum([
   "exmxc",
   "mikeye",
   "ella_entity",
+  "strategic_signal",
   "hybrid",
 ]);
 export type Domain = z.infer<typeof DomainSchema>;
diff --git a/tests/mcp.test.ts b/tests/mcp.test.ts
index 63e406f..0e2be56 100644
--- a/tests/mcp.test.ts
+++ b/tests/mcp.test.ts
@@ -299,6 +299,7 @@ test('canonical Ella nodes are software-only and resolve through real authority
     'https://www.exmxc.ai/ella',
     'https://www.mikeye.com/ella',
     'https://sleepgenic.ai/ella',
+    'https://strategicsignal.ai/about/#ella',
   ]
 
   assert.ok(nodes.length >= 3)
@@ -311,5 +312,6 @@ test('canonical Ella nodes are software-only and resolve through real authority
   }
 
   assert.deepEqual(ELLA_REGISTRY.identity.sameAs, expectedSameAs)
-  assert.equal(ELLA_REGISTRY.identity.affiliations.length, 4)
+  assert.equal(ELLA_REGISTRY.identity.affiliations.length, 5)
+  assert.equal(ELLA_REGISTRY.domains['strategic-signal'].authorityTier, 'applied-context')
 })