diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 88671fd..d23fea6 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -1,18 +1,31 @@
 import { useEffect, useMemo, useState } from "react";
-import {
-  callSkill,
-  loadAgentConfig,
-  loadSession,
-  sampleArgs,
-  signInUrl,
-} from "./a2a.js";
+import { callSkill, loadAgentConfig, loadSession, signInUrl } from "./a2a.js";
+
+const SUCCESS_FIXTURE = `From: alex@company.example
+Subject: Concern about team behavior
+Body: I want to report behavior that feels like harassment and retaliation after I raised a concern. What should I do next?
+---
+From: priya@company.example
+Subject: Benefits enrollment for dependent
+Body: I need to add a dependent to my insurance and want to understand eligibility and enrollment timing.
+---
+From: marco@company.example
+Subject: PTO request next month
+Body: I would like to take leave from May 6 to May 10. Can People approve this?`;
+
+const DEFAULT_POLICY = `Benefits questions: be empathetic, explain that enrollment and eligibility depend on plan documents, and route exceptions to People Ops.
+Leave requests: acknowledge receipt, ask for dates if missing, and mention manager/People approval before commitments.
+Payroll or personal data: mark urgent, avoid exposing private data, and route to the secure HRIS/payroll channel.
+Employee relations or harassment: mark urgent, avoid investigation promises, and escalate to the designated People partner.`;
 
 export function App() {
   const [config, setConfig] = useState(null);
   const [session, setSession] = useState(null);
-  const [selectedSkillName, setSelectedSkillName] = useState("");
-  const [argsText, setArgsText] = useState("{}");
+  const [inboxText, setInboxText] = useState(SUCCESS_FIXTURE);
+  const [policyText, setPolicyText] = useState(DEFAULT_POLICY);
+  const [maxMessages, setMaxMessages] = useState(6);
   const [result, setResult] = useState(null);
+  const [mailbox, setMailbox] = useState(null);
   const [error, setError] = useState(null);
   const [running, setRunning] = useState(false);
 
@@ -20,46 +33,30 @@ export function App() {
     loadAgentConfig()
       .then((data) => {
         setConfig(data);
-        const firstSkill = data.skills?.[0];
-        if (firstSkill) {
-          setSelectedSkillName(firstSkill.name);
-          setArgsText(JSON.stringify(sampleArgs(firstSkill), null, 2));
-        }
         return loadSession(data).catch(() => null);
       })
       .then((sessionData) => setSession(sessionData))
       .catch((err) => setError(err.message || String(err)));
   }, []);
 
-  const selectedSkill = useMemo(
-    () => config?.skills?.find((skill) => skill.name === selectedSkillName),
-    [config, selectedSkillName],
-  );
-
-  const needsSignIn = Boolean(
-    config?.auth?.invokeRequiresSession && session && !session.authenticated,
-  );
+  const needsSignIn = Boolean(config?.auth?.invokeRequiresSession && session && !session.authenticated);
   const signInHref = useMemo(
     () => (config && needsSignIn ? signInUrl(config) : null),
     [config, needsSignIn],
   );
 
-  function selectSkill(skill) {
-    setSelectedSkillName(skill.name);
-    setArgsText(JSON.stringify(sampleArgs(skill), null, 2));
-    setResult(null);
-    setError(null);
-  }
-
-  async function runSkill(event) {
+  async function runTriage(event) {
     event.preventDefault();
-    if (!config || !selectedSkill) return;
+    if (!config) return;
     setRunning(true);
     setError(null);
     setResult(null);
     try {
-      const args = JSON.parse(argsText || "{}");
-      const data = await callSkill(config, selectedSkill.name, args);
+      const data = await callSkill(config, "triage_people_inbox", {
+        inbox_text: inboxText,
+        policy_text: policyText,
+        max_messages: Number(maxMessages),
+      });
       setResult(data);
     } catch (err) {
       setError(err.message || String(err));
@@ -68,91 +65,149 @@ export function App() {
     }
   }
 
+  async function checkMailbox() {
+    if (!config) return;
+    setError(null);
+    try {
+      const data = await callSkill(config, "mailbox_status", { limit: 5, unseen_only: false });
+      setMailbox(data);
+    } catch (err) {
+      setError(err.message || String(err));
+    }
+  }
+
+  function downloadReport() {
+    if (!result?.artifact?.content_text) return;
+    const blob = new Blob([result.artifact.content_text], {
+      type: result.artifact.media_type || "application/json",
+    });
+    const url = URL.createObjectURL(blob);
+    const anchor = document.createElement("a");
+    anchor.href = url;
+    anchor.download = result.artifact.name || "people-team-inbox-triage.json";
+    document.body.appendChild(anchor);
+    anchor.click();
+    anchor.remove();
+    URL.revokeObjectURL(url);
+  }
+
   if (!config) {
-    return (
-      <main className="loading">
-        <p>{error || "Loading A2A agent contract..."}</p>
-      </main>
-    );
+    return <main className="loading">{error || "Loading People Inbox Assistant..."}</main>;
   }
 
   return (
-    <main className="app-shell">
-      <aside className="sidebar">
-        <div>
-          <p className="eyebrow">A2A packed app</p>
-          <h1>production-proof-v116-high-utili-7255-2</h1>
-          <p className="agent-meta">
-            {config.agent.name} v{config.agent.version}
-          </p>
-        </div>
-
-        <nav className="skill-list" aria-label="Agent skills">
-          {(config.skills || []).map((skill) => (
-            <button
-              className={skill.name === selectedSkillName ? "skill active" : "skill"}
-              key={skill.name}
-              onClick={() => selectSkill(skill)}
-              type="button"
-            >
-              <span>{skill.name}</span>
-              <small>{skill.stream ? "streaming" : "request"}</small>
-            </button>
-          ))}
-        </nav>
-
-        <div className="session">
-          <span>{session?.authenticated ? "Signed in" : needsSignIn ? "Signed out" : "Local session"}</span>
-          <strong>{session?.user?.email || session?.org?.slug || "dev@example.local"}</strong>
-          {/* Skills that spend the caller's LLM budget need a signed-in
-              visitor even when the page itself is public, so offer the way in
-              rather than failing at the first click. */}
-          {needsSignIn && signInHref ? (
-            <a className="signin" href={signInHref}>Sign in to run</a>
-          ) : null}
-        </div>
-      </aside>
-
-      <section className="workbench">
-        <header className="toolbar">
+    <main className="product-shell" data-testid="agent-app">
+      <section className="hero-card">
+        <p className="eyebrow">Production proof v116 · People teams</p>
+        <div className="hero-grid">
           <div>
-            <p className="eyebrow">Skill runner</p>
-            <h2>{selectedSkill?.name || "No skills found"}</h2>
+            <h1>Shared inbox triage with approval-ready HR replies</h1>
+            <p className="lede">
+              Paste a few People inbox messages, keep or edit the policy guidance, and get a prioritized queue plus grounded drafts in under two minutes.
+            </p>
           </div>
-          <a href={config.docs.base} rel="noreferrer" target="_blank">
-            Docs
-          </a>
-        </header>
-
-        {selectedSkill ? (
-          <form className="runner" onSubmit={runSkill}>
-            <label>
-              Arguments JSON
-              <textarea
-                spellCheck="false"
-                value={argsText}
-                onChange={(event) => setArgsText(event.target.value)}
-              />
-            </label>
-            <button disabled={running} type="submit">
-              {running ? "Running..." : `Run ${selectedSkill.name}`}
-            </button>
-          </form>
-        ) : (
-          <p className="empty">Add a `@a2a.tool` to your agent to make it callable here.</p>
-        )}
-
-        <section className="panels">
-          <div className="panel">
-            <h3>Input schema</h3>
-            <pre>{JSON.stringify(selectedSkill?.input_schema || {}, null, 2)}</pre>
+          <div className="session-card">
+            <span>{session?.authenticated ? "Signed in" : needsSignIn ? "Sign-in required to run" : "Ready"}</span>
+            <strong>{session?.user?.email || session?.org?.slug || config.agent?.name}</strong>
+            {needsSignIn && signInHref ? <a href={signInHref}>Sign in to run</a> : null}
+            <button className="ghost" type="button" onClick={checkMailbox}>Check mailbox setup</button>
           </div>
-          <div className="panel">
-            <h3>Result</h3>
-            <pre>{error || JSON.stringify(result, null, 2) || "No run yet."}</pre>
+        </div>
+      </section>
+
+      {mailbox ? (
+        <section className="notice">
+          <strong>Mailbox:</strong> {mailbox.status} — {mailbox.message || mailbox.address || `${mailbox.messages?.length || 0} recent messages`}
+        </section>
+      ) : null}
+
+      <form className="workflow" onSubmit={runTriage}>
+        <label>
+          <span>Inbox messages</span>
+          <textarea
+            data-testid="agent-input"
+            value={inboxText}
+            onChange={(event) => setInboxText(event.target.value)}
+            maxLength={20000}
+          />
+        </label>
+        <label>
+          <span>Policy guidance</span>
+          <textarea
+            className="policy"
+            value={policyText}
+            onChange={(event) => setPolicyText(event.target.value)}
+            maxLength={12000}
+          />
+        </label>
+        <div className="actions">
+          <label className="small-field">
+            Max messages
+            <input
+              type="number"
+              min="1"
+              max="12"
+              value={maxMessages}
+              onChange={(event) => setMaxMessages(event.target.value)}
+            />
+          </label>
+          <button data-testid="agent-submit" disabled={running || needsSignIn} type="submit">
+            {running ? "Triaging..." : "Triage inbox & draft replies"}
+          </button>
+        </div>
+      </form>
+
+      {error ? <section className="error">{error}</section> : null}
+
+      {result ? (
+        <section className="results" data-testid="agent-result">
+          <div className="result-header">
+            <div>
+              <p className="eyebrow">Structured result</p>
+              <h2>{result.summary || result.status}</h2>
+            </div>
+            {result.artifact ? (
+              <button data-testid="agent-download" type="button" onClick={downloadReport}>
+                Download {result.artifact.name}
+              </button>
+            ) : null}
+          </div>
+
+          <p className="boundary">{result.approval_boundary}</p>
+          {result.receipt ? (
+            <p className={result.receipt.persisted ? "receipt ok" : "receipt warn"}>
+              Receipt {result.receipt.receipt_id}: {result.receipt.message}
+            </p>
+          ) : null}
+
+          <div className="queue">
+            {(result.queue || []).map((item) => (
+              <article className={`queue-card ${item.priority}`} key={item.message_id}>
+                <div className="queue-top">
+                  <span className="pill">{item.priority}</span>
+                  <span>{item.category}</span>
+                </div>
+                <h3>{item.subject}</h3>
+                <p><strong>From:</strong> {item.sender}</p>
+                <p><strong>Why:</strong> {item.reason}</p>
+                <p><strong>Next:</strong> {item.next_action}</p>
+                <details open>
+                  <summary>Approval-ready draft</summary>
+                  <div className="draft">
+                    <p><strong>To:</strong> {item.draft.to}</p>
+                    <p><strong>Subject:</strong> {item.draft.subject}</p>
+                    <pre>{item.draft.body}</pre>
+                    <p><strong>Approval reason:</strong> {item.draft.approval_reason}</p>
+                    <ul>
+                      {(item.draft.policy_basis || []).map((basis) => <li key={basis}>{basis}</li>)}
+                    </ul>
+                  </div>
+                </details>
+              </article>
+            ))}
           </div>
         </section>
-      </section>
+      ) : null}
     </main>
   );
 }