docs: relicense Sencho to AGPLv3 and reframe Community positioning (#1623)

* docs: relicense Sencho to AGPLv3 and reframe Community positioning

Replace BSL with AGPLv3 for the public Community product, update contributor
and licensing copy for Community-focused contributions, and surface source
and license links in Settings About.

* docs: clarify CLA scope and Community contribution framing

* fix(ui): split About link constants and harden AboutSection test selectors

frontend/src/components/Setup.tsx

@@ -174,7 +174,7 @@ export function Setup({ onComplete, className, ...props }: SetupProps & React.Co
           <AuthStepHeader
             kicker="SENCHO · INITIALIZE"
             hero="Cold start"
-            caption="Create the Admiral account to unlock the console."
+            caption="Create the initial administrator account for this control plane."
           />
 
           <form onSubmit={handleSubmit} className="flex flex-col gap-5">

frontend/src/components/settings/AboutSection.tsx

@@ -2,6 +2,15 @@ import { useLicense } from '@/context/LicenseContext';
 import { TierBadge } from '@/components/TierBadge';
 import { SettingsSection } from './SettingsSection';
 import { SettingsField } from './SettingsField';
+import {
+    SOURCE_URL,
+    LICENSE_URL,
+    LICENSING_DOCS_URL,
+    CHANGELOG_URL,
+} from './aboutLinks';
+
+const linkClassName =
+    'font-mono text-[10px] leading-3 uppercase tracking-[0.18em] text-brand hover:text-brand/80 transition-colors';
 
 export function AboutSection() {
     const { license } = useLicense();
@@ -15,7 +24,7 @@ export function AboutSection() {
                 <SettingsField label="Tier">
                     <TierBadge />
                 </SettingsField>
-                <SettingsField label="License status">
+                <SettingsField label="Plan status">
                     <span className="font-mono text-[10px] leading-3 uppercase tracking-[0.18em] text-stat-value">
                         {license?.status ?? 'community'}
                     </span>
@@ -33,17 +42,56 @@ export function AboutSection() {
             </SettingsSection>
 
             <SettingsSection title="Links">
+                <SettingsField
+                    label="Source code"
+                    helper="Browse the AGPLv3 repository on GitHub."
+                >
+                    <a
+                        href={SOURCE_URL}
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className={linkClassName}
+                    >
+                        github.com/studio-saelix/sencho →
+                    </a>
+                </SettingsField>
+                <SettingsField
+                    label="AGPLv3 License"
+                    helper="Copyright (c) 2026 Studio Saelix. Full license text."
+                >
+                    <a
+                        href={LICENSE_URL}
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className={linkClassName}
+                    >
+                        LICENSE →
+                    </a>
+                </SettingsField>
+                <SettingsField
+                    label="Licensing documentation"
+                    helper="Community and Admiral plans."
+                >
+                    <a
+                        href={LICENSING_DOCS_URL}
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className={linkClassName}
+                    >
+                        docs.sencho.io/features/licensing →
+                    </a>
+                </SettingsField>
                 <SettingsField
                     label="Changelog"
                     helper="See what shipped, when, and why."
                 >
                     <a
-                        href="https://github.com/studio-saelix/sencho/blob/main/CHANGELOG.md"
+                        href={CHANGELOG_URL}
                         target="_blank"
                         rel="noopener noreferrer"
-                        className="font-mono text-[10px] leading-3 uppercase tracking-[0.18em] text-brand hover:text-brand/80 transition-colors"
+                        className={linkClassName}
                     >
-                        github.com/studio-saelix/sencho →
+                        CHANGELOG.md →
                     </a>
                 </SettingsField>
             </SettingsSection>

frontend/src/components/settings/LicenseSection.tsx

@@ -93,14 +93,14 @@ export function LicenseSection() {
                     label={getTierDisplayName(license?.tier, license?.status)}
                     helper={
                         license?.status === 'expired'
-                            ? 'Your license has expired. Renew to restore paid features.'
+                            ? 'Your Admiral license has expired. Renew to restore Admiral plan benefits.'
                             : license?.status === 'disabled'
                                 ? 'Your license has been disabled. Contact support for assistance.'
                                 : license?.status === 'trial' && license.trialDaysRemaining !== null
                                     ? `Trial: ${license.trialDaysRemaining} day${license.trialDaysRemaining !== 1 ? 's' : ''} remaining.`
                                     : isPaid
                                         ? 'Active license on this control plane.'
-                                        : 'Free tier with the core experience.'
+                                        : 'Community plan. Full AGPLv3 self-hosted control plane.'
                     }
                     tone={
                         license?.status === 'expired' || license?.status === 'disabled'
@@ -137,7 +137,7 @@ export function LicenseSection() {
                 {license?.status === 'expired' ? (
                     <SettingsField
                         label="Status"
-                        helper="Renew to restore paid features."
+                        helper="Renew to restore Admiral plan benefits."
                         tone="error"
                     >
                         <div className="flex items-center gap-2 text-destructive">
@@ -150,7 +150,7 @@ export function LicenseSection() {
                 {license?.status === 'trial' && license.trialDaysRemaining !== null ? (
                     <SettingsField
                         label="Trial countdown"
-                        helper="Activate before the trial ends to keep paid features."
+                        helper="Activate before the trial ends to keep Admiral plan benefits."
                         tone="warn"
                     >
                         <div className="flex items-center gap-2">

frontend/src/components/settings/__tests__/AboutSection.test.tsx

@@ -0,0 +1,67 @@
+import { describe, it, expect, vi, beforeAll } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import { AboutSection } from '../AboutSection';
+import { ABOUT_LINK_URLS } from '../aboutLinks';
+
+beforeAll(() => {
+    // Vite injects this at build time; tests need a stand-in.
+    (globalThis as unknown as { __APP_VERSION__: string }).__APP_VERSION__ = '0.0.0-test';
+});
+
+vi.mock('@/context/LicenseContext', () => ({
+    useLicense: () => ({
+        license: {
+            tier: 'community',
+            status: 'community',
+            customerName: null,
+            productName: null,
+            maskedKey: null,
+            validUntil: null,
+            trialDaysRemaining: null,
+            instanceId: 'abcdef0123456789',
+            portalUrl: null,
+            isLifetime: false,
+        },
+        isPaid: false,
+        loading: false,
+        licenseStatus: 'ready',
+        licenseReady: true,
+        refresh: vi.fn(),
+        activate: vi.fn(),
+        deactivate: vi.fn(),
+    }),
+}));
+
+vi.mock('@/components/TierBadge', () => ({
+    TierBadge: () => <span>Community</span>,
+}));
+
+describe('AboutSection', () => {
+    it('renders Plan status and Source, License, and Licensing docs links with exact URLs', () => {
+        render(<AboutSection />);
+
+        expect(screen.getByText('Plan status')).toBeTruthy();
+        expect(screen.queryByText('License status')).toBeNull();
+
+        const source = screen.getByRole('link', { name: 'github.com/studio-saelix/sencho →' });
+        expect(source.getAttribute('href')).toBe(ABOUT_LINK_URLS.source);
+        expect(source.getAttribute('target')).toBe('_blank');
+        expect(source.getAttribute('rel')).toBe('noopener noreferrer');
+
+        const license = screen.getByRole('link', { name: 'LICENSE →' });
+        expect(license.getAttribute('href')).toBe(ABOUT_LINK_URLS.license);
+        expect(license.getAttribute('target')).toBe('_blank');
+        expect(license.getAttribute('rel')).toBe('noopener noreferrer');
+
+        const licensingDocs = screen.getByRole('link', {
+            name: 'docs.sencho.io/features/licensing →',
+        });
+        expect(licensingDocs.getAttribute('href')).toBe(ABOUT_LINK_URLS.licensingDocs);
+        expect(licensingDocs.getAttribute('target')).toBe('_blank');
+        expect(licensingDocs.getAttribute('rel')).toBe('noopener noreferrer');
+
+        expect(screen.getByText('Source code')).toBeTruthy();
+        expect(screen.getByText('AGPLv3 License')).toBeTruthy();
+        expect(screen.getByText('Licensing documentation')).toBeTruthy();
+    });
+});

frontend/src/components/settings/aboutLinks.ts

@@ -0,0 +1,11 @@
+export const SOURCE_URL = 'https://github.com/studio-saelix/sencho';
+export const LICENSE_URL = 'https://github.com/studio-saelix/sencho/blob/main/LICENSE';
+export const LICENSING_DOCS_URL = 'https://docs.sencho.io/features/licensing';
+export const CHANGELOG_URL = 'https://github.com/studio-saelix/sencho/blob/main/CHANGELOG.md';
+
+export const ABOUT_LINK_URLS = {
+    source: SOURCE_URL,
+    license: LICENSE_URL,
+    licensingDocs: LICENSING_DOCS_URL,
+    changelog: CHANGELOG_URL,
+} as const;