chore: new design for invitations accept

docs/design/source/RenewCMS Screens Auth.dc.html

@@ -18,7 +18,7 @@
 <div style="display:flex;align-items:flex-end;gap:32px;max-width:1400px">
 <div style="flex:1;display:flex;flex-direction:column;gap:10px">
 <h1 style="margin:0;font:600 36px/44px 'IBM Plex Sans',sans-serif;letter-spacing:-0.02em;color:var(--ui-text-highlighted)">Screens: public and auth</h1>
-<p style="margin:0;max-width:880px;font-size:16px;line-height:26px;color:var(--ui-text-toned);text-wrap:pretty">Every state of the six public routes, at 1440 px (shown at 50%) and 390 px (shown at 75%). Use the switch on the right to see all of them in dark mode. Final copy is written into each state. The back-office screens and global states are on <a href="RenewCMS Screens Back-office.dc.html">the back-office board</a>, and the emails are on <a href="RenewCMS Emails.dc.html">the email board</a>.</p>
+<p style="margin:0;max-width:880px;font-size:16px;line-height:26px;color:var(--ui-text-toned);text-wrap:pretty">Every state of the seven public routes, at 1440 px (shown at 50%) and 390 px (shown at 75%). Use the switch on the right to see all of them in dark mode. Final copy is written into each state. The back-office screens and global states are on <a href="RenewCMS Screens Back-office.dc.html">the back-office board</a>, and the emails are on <a href="RenewCMS Emails.dc.html">the email board</a>.</p>
 </div>
 <div role="radiogroup" aria-label="Theme" style="display:flex;border:1px solid var(--ui-border-accented);background:var(--ui-bg)">
 <sc-for list="{{ modes }}" as="m" hint-placeholder-count="3">
@@ -112,6 +112,8 @@ class Component extends DCLogic {
 		const loginF = (u, p) => [U(u), P({ link: 'Forgot password?', ...p })]
 		const reg = { title: 'Create the owner account', desc: 'This creates the single admin account for this site. Once it\'s verified, registration closes.', submit: { t: 'Create account' }, footer: { pre: 'Already set up?', link: 'Log in' } }
 		const regF = (u, e, p) => [U({ ph: 'e.g. marta', count: ((u && u.value) || '').length + ' / 20', help: 'Letters and numbers, 3 to 20 characters. You\'ll use it to log in.', ...u }), E({ help: 'We\'ll send a verification link here.', ...e }), P({ hints: pwHint('unmet'), ...p })]
+		const inv = { title: 'Accept your invite', desc: 'Choose a username and password to finish setting up your account.', submit: { t: 'Accept invite' }, footer: { pre: 'Already have an account?', link: 'Log in' } }
+		const invF = (u, p) => [E({ value: 'lea.martin@renew.example', ro: true, help: 'From your invitation.' }), U({ ph: 'e.g. lea', count: ((u && u.value) || '').length + ' / 20', help: 'Letters and numbers, 3 to 20 characters. You\'ll use it to log in.', ...u }), P({ hints: pwHint('unmet'), ...p })]
 		const pendingResult = email => ({ tone: 'success', icon: 'mail-check', title: 'Check your email', text: email ? 'We sent a verification link to ' + email + '. It expires in 2 hours.' : 'We sent a verification link to the email you registered with. It expires in 2 hours.', note: 'Opened it on another device? That works too; you\'ll log in there first. Can\'t find it? Check your spam folder. If the link has expired, cancel your registration and start again.', actions: [{ t: 'Log out', secondary: true }, { t: 'Cancel registration', secondary: true }] })
 		const cancelDialog = (loading) => ({ title: 'Cancel your registration?', text: 'Your account will be deleted. You can register again with the same or a different email.', confirm: loading ? 'Cancelling…' : 'Cancel registration', cancel: 'Keep my account' })
 		const reqBase = { title: 'Reset your password', desc: 'Enter the email for your account and we\'ll send you a link to choose a new password.', submit: { t: 'Send reset link' }, below: 'Back to log in' }
@@ -154,6 +156,18 @@ class Component extends DCLogic {
 				{ name: 'No session, retrying', trigger: 'Logged in inline. Now verifying.', spinner: 'Verifying your account…' },
 				{ name: 'Missing code', trigger: 'The link has no ?c= parameter. No request is made.', result: { tone: 'error', icon: 'link-2-off', title: 'This link is incomplete', text: 'The verification code is missing. Open the link from your email again, or copy the full address into your browser.', actions: [{ t: 'Go to log in', secondary: true }] } }
 			] },
+			{ label: 'Accept invite', title: 'Accept invite', route: '/invite/accept?c=CODE', api: 'GET /v1/auth/invite?c= (pending) · POST /v1/auth/invite/accept (pending)', note: 'Opened from the invitation email. The link carries only the code, so the invited email is looked up on load and shown read-only. Username and password follow the Register rules, including PasswordStrengthHint. On success the person is logged in and sent to /home with a toast; they are already verified because the invite went to their email.', states: [
+				{ name: 'Checking the link', trigger: 'On load, while the invite is looked up.', spinner: 'Checking your invite…' },
+				{ ...inv, name: 'Default', trigger: 'The code is valid and unused.', fields: invF({}, {}) },
+				{ ...inv, name: 'Validation errors', trigger: 'Checked on blur and on submit, using the same rules as Register. Nothing is sent.', fields: invF({ value: 'ma', err: 'Use 3 to 20 characters.', countErr: true, help: '' }, { value: 'lime', hints: pwHint('err') }) },
+				{ ...inv, name: 'Filled, valid', trigger: 'Every rule is met and the checklist item turns green.', fields: invF({ value: 'lea' }, { value: 'limewash2026', shown: true, hints: pwHint('met') }) },
+				{ ...inv, name: 'Submitting', trigger: 'Fields and button are disabled.', fields: invF({ value: 'lea' }, { value: 'limewash2026', hints: pwHint('met') }), submit: { t: 'Creating account…', loading: true } },
+				{ ...inv, name: 'Username taken (409)', trigger: 'Another user has that username. The value is kept and the field gets focus.', fields: invF({ value: 'marta', err: 'That username is taken. Try another.', focus: true, help: '' }, { value: 'limewash2026', hints: pwHint('met') }) },
+				{ name: 'Invalid or used link (404)', trigger: 'The code is wrong, was already accepted, or is missing from the URL. No form is shown.', result: { tone: 'error', icon: 'link-2-off', title: 'This invite link doesn\'t work', text: 'It may be incomplete, or it may already have been used. If you already set up your account, log in instead.', note: 'Open the link from your email again, or copy the full address into your browser.', actions: [{ t: 'Go to log in' }] } },
+				{ name: 'Expired link (410)', trigger: 'The invite is older than 3 days.', result: { tone: 'error', icon: 'clock', title: 'This invite has expired', text: 'Invites work once, for 3 days. Ask the person who invited you to send a new one.', actions: [{ t: 'Go to log in', secondary: true }] } },
+				{ ...inv, name: 'Server error', trigger: 'A 500 or no response. The values are kept.', notice: { tone: 'error', icon: 'circle-x', title: 'Couldn\'t create the account', text: 'Something went wrong on the server. Try again in a moment.' }, fields: invF({ value: 'lea' }, { value: 'limewash2026', hints: pwHint('met') }) },
+				{ name: 'Success', trigger: '200 sets the session cookie → /home after 800 ms, with a toast. No verification step.', result: { tone: 'success', icon: 'circle-check', title: 'Your account is ready', text: 'Taking you to your dashboard…', actions: [] }, toast: toast('success', 'circle-check', 'Welcome to RenewCMS', 'You\'re logged in as lea.') }
+			] },
 			{ label: 'Forgot password', title: 'Forgot password', route: '/register/reset/request', api: 'POST /v1/auth/password-reset', note: 'The sent state reads the same whether or not the email exists, so the page doesn\'t reveal which emails have accounts.', states: [
 				{ ...reqBase, name: 'Default', trigger: 'From "Forgot password?" on log in.', fields: [E()] },
 				{ ...reqBase, name: 'Validation error', trigger: 'Invalid email on submit. Nothing is sent.', fields: [E({ value: 'marta@renew', err: 'Enter a full email address, like name@example.com.' })] },