refactor(decnet_web/Webhooks): extract FormRow + SecretModal

decnet_web/src/components/Webhooks/FormRow.tsx

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+import React from 'react';
+import { Save, X } from '../../icons';
+import type { FormState, SimpleEvent } from './types';
+
+interface Props {
+  title: string;
+  form: FormState;
+  setForm: React.Dispatch<React.SetStateAction<FormState>>;
+  onSave: (e: React.FormEvent) => void;
+  onCancel: () => void;
+  saving: boolean;
+  isEdit: boolean;
+  onToggleSimple: (n: SimpleEvent) => void;
+}
+
+const FormRow: React.FC<Props> = ({
+  title, form, setForm, onSave, onCancel, saving, isEdit, onToggleSimple,
+}) => (
+  <tr className="wh-form-row">
+    <td colSpan={7}>
+      <form className="wh-form-grid" onSubmit={onSave}>
+        <label className="wh-form-title">{title}</label>
+
+        <label>NAME</label>
+        <input
+          type="text"
+          value={form.name}
+          onChange={(e) => setForm((f) => ({ ...f, name: e.target.value }))}
+          placeholder="shuffle-prod"
+          required
+          maxLength={64}
+        />
+
+        <label>URL</label>
+        <input
+          type="url"
+          value={form.url}
+          onChange={(e) => setForm((f) => ({ ...f, url: e.target.value }))}
+          placeholder="https://shuffle.example.com/api/v1/hooks/webhook_xxx"
+          required
+        />
+
+        <label>
+          SECRET {isEdit && <span className="wh-form-hint">(blank = keep existing)</span>}
+        </label>
+        <input
+          type="password"
+          value={form.secret}
+          onChange={(e) => setForm((f) => ({ ...f, secret: e.target.value }))}
+          placeholder={isEdit ? '—' : 'leave blank to auto-generate'}
+          minLength={16}
+          maxLength={256}
+        />
+
+        <label>SIMPLE EVENTS</label>
+        <div className="wh-checkbox-group">
+          {(['AttackerDetail', 'DeckyStatus', 'SystemStatus'] as const).map((name) => (
+            <label key={name}>
+              <input
+                type="checkbox"
+                checked={form.simple_events.includes(name)}
+                onChange={() => onToggleSimple(name)}
+              />
+              {name}
+            </label>
+          ))}
+        </div>
+
+        <label>
+          ADVANCED PATTERNS
+          <br />
+          <span className="wh-form-hint">(one per line, NATS-style)</span>
+        </label>
+        <textarea
+          value={form.topic_patterns}
+          onChange={(e) => setForm((f) => ({ ...f, topic_patterns: e.target.value }))}
+          placeholder={'attacker.>\ndecky.*.state'}
+        />
+
+        <label>ENABLED</label>
+        <div className="wh-checkbox-group">
+          <label>
+            <input
+              type="checkbox"
+              checked={form.enabled}
+              onChange={(e) => setForm((f) => ({ ...f, enabled: e.target.checked }))}
+            />
+            Receive events
+          </label>
+        </div>
+
+        <div className="wh-form-buttons">
+          <button type="button" className="btn ghost" onClick={onCancel} disabled={saving}>
+            <X size={12} /> CANCEL
+          </button>
+          <button type="submit" className="btn violet" disabled={saving}>
+            <Save size={12} /> {saving ? 'SAVING…' : isEdit ? 'SAVE CHANGES' : 'CREATE'}
+          </button>
+        </div>
+      </form>
+    </td>
+  </tr>
+);
+
+export default FormRow;

decnet_web/src/components/Webhooks/SecretModal.test.tsx

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+/**
+ * @vitest-environment jsdom
+ */
+import { describe, it, expect, vi } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/react';
+import SecretModal from './SecretModal';
+
+describe('SecretModal', () => {
+  it('renders the secret and fires onClose for DONE', () => {
+    const onClose = vi.fn();
+    render(<SecretModal name="shuffle" secret="abc123def456ghi7" onClose={onClose} />);
+    expect(screen.getByText('abc123def456ghi7')).toBeInTheDocument();
+    expect(screen.getByText(/SHUFFLE/)).toBeInTheDocument();
+    fireEvent.click(screen.getByText('DONE'));
+    expect(onClose).toHaveBeenCalledTimes(1);
+  });
+
+  it('closes when backdrop is clicked but not when the inner modal is clicked', () => {
+    const onClose = vi.fn();
+    const { container } = render(
+      <SecretModal name="x" secret="s" onClose={onClose} />,
+    );
+    fireEvent.click(container.querySelector('.wh-secret-modal-backdrop')!);
+    expect(onClose).toHaveBeenCalledTimes(1);
+    fireEvent.click(container.querySelector('.wh-secret-modal')!);
+    expect(onClose).toHaveBeenCalledTimes(1);
+  });
+});

decnet_web/src/components/Webhooks/SecretModal.tsx

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+import React, { useState } from 'react';
+import { AlertTriangle, Check, Copy } from '../../icons';
+
+interface Props {
+  name: string;
+  secret: string;
+  onClose: () => void;
+}
+
+const SecretModal: React.FC<Props> = ({ name, secret, onClose }) => {
+  const [copied, setCopied] = useState(false);
+  const copy = async () => {
+    try {
+      await navigator.clipboard.writeText(secret);
+      setCopied(true);
+      setTimeout(() => setCopied(false), 1500);
+    } catch {
+      /* no-op — browsers without clipboard perms will just see no feedback */
+    }
+  };
+  return (
+    <div
+      className="wh-secret-modal-backdrop"
+      onClick={(e) => { if (e.target === e.currentTarget) onClose(); }}
+    >
+      <div className="wh-secret-modal">
+        <h3>WEBHOOK SECRET · {name.toUpperCase()}</h3>
+        <div className="wh-secret-warn">
+          <AlertTriangle size={14} />
+          <span>COPY THIS NOW — IT WILL NOT BE SHOWN AGAIN. THE HMAC ON EVERY DELIVERY IS SIGNED WITH THIS VALUE.</span>
+        </div>
+        <div className="wh-secret-value">{secret}</div>
+        <div className="wh-secret-actions">
+          <button className="btn ghost" onClick={copy}>
+            <Copy size={12} /> {copied ? 'COPIED' : 'COPY'}
+          </button>
+          <button className="btn violet" onClick={onClose}>
+            <Check size={12} /> DONE
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default SecretModal;