feat: add instance store and Connected Instances settings UI
Introduce instanceStore (Zustand) with full federation lifecycle: probe remote instances, register with username collision fallback, login to existing accounts, sync instance list across all connected instances, auto-reconnect from cached tokens on login/page load, and cleanup on logout. Add ConnectedInstances component to User Settings with home instance card, remote instance management, and inline add-instance flow (URL probe → register/login → connected).
This commit is contained in:
Jannis Braun
@@ -0,0 +1,337 @@
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import React, { useState } from 'react';
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import type { InstanceInfoResponse } from '@backspace/shared';
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import { useInstanceStore } from '../../stores/instanceStore';
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import { useAuthStore } from '../../stores/authStore';
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// ─── Status indicator ────────────────────────────────────────────────────────
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function StatusDot({ status }: { status: string }) {
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const colorClass =
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status === 'connected' ? 'bg-status-online' :
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status === 'connecting' ? 'bg-accent-amber' :
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'bg-txt-tertiary';
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return <div className={`w-2 h-2 rounded-full shrink-0 ${colorClass}`} />;
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}
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// ─── Add Instance flow ───────────────────────────────────────────────────────
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type AddStep = 'url' | 'auth' | 'done';
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type AuthTab = 'register' | 'login';
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function AddInstanceFlow({ onDone }: { onDone: () => void }) {
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const user = useAuthStore((s) => s.user);
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const registerOnRemote = useInstanceStore((s) => s.registerOnRemote);
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const loginToRemote = useInstanceStore((s) => s.loginToRemote);
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const probeInstance = useInstanceStore((s) => s.probeInstance);
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const [step, setStep] = useState<AddStep>('url');
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const [url, setUrl] = useState('');
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const [probeResult, setProbeResult] = useState<(InstanceInfoResponse & { origin: string }) | null>(null);
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const [authTab, setAuthTab] = useState<AuthTab>('register');
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const [password, setPassword] = useState('');
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const [loginUsername, setLoginUsername] = useState('');
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const [loginPassword, setLoginPassword] = useState('');
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const [isLoading, setIsLoading] = useState(false);
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const [error, setError] = useState('');
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const handleProbe = async () => {
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setError('');
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setIsLoading(true);
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try {
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const result = await probeInstance(url);
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setProbeResult(result);
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setAuthTab(result.registrationOpen ? 'register' : 'login');
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setStep('auth');
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} catch (err) {
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setError((err as Error).message);
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} finally {
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setIsLoading(false);
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}
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};
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const handleRegister = async () => {
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if (!probeResult) return;
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setError('');
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setIsLoading(true);
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try {
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await registerOnRemote(
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probeResult.origin,
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password,
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user?.displayName || undefined,
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);
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setStep('done');
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onDone();
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} catch (err) {
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setError((err as Error).message);
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} finally {
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setIsLoading(false);
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}
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};
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const handleLogin = async () => {
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if (!probeResult) return;
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setError('');
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setIsLoading(true);
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try {
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await loginToRemote(probeResult.origin, loginUsername, loginPassword);
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setStep('done');
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onDone();
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} catch (err) {
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setError((err as Error).message);
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} finally {
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setIsLoading(false);
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}
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};
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if (step === 'done') return null;
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return (
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<div className="mt-3 p-3 bg-surface-channel rounded-lg space-y-3">
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{/* Step 1: Enter URL */}
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{step === 'url' && (
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<>
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<div className="text-sm text-txt-primary font-medium">Add Remote Instance</div>
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<div className="flex gap-2">
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<input
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type="text"
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value={url}
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onChange={(e) => setUrl(e.target.value)}
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onKeyDown={(e) => e.key === 'Enter' && !isLoading && url.trim() && handleProbe()}
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placeholder="https://instance.example.com"
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className="flex-1 px-3 py-2 bg-surface-input rounded text-txt-primary text-sm outline-none focus:ring-2 focus:ring-accent-primary"
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disabled={isLoading}
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/>
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<button
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onClick={handleProbe}
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disabled={isLoading || !url.trim()}
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className="px-4 py-2 bg-accent-primary hover:bg-accent-primary/80 text-white text-sm font-medium rounded transition-colors disabled:opacity-50"
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>
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{isLoading ? 'Probing...' : 'Connect'}
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</button>
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</div>
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<button
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onClick={onDone}
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className="text-xs text-txt-tertiary hover:text-txt-secondary transition-colors"
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>
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Cancel
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</button>
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</>
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)}
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{/* Step 2: Auth */}
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{step === 'auth' && probeResult && (
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<>
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{/* Instance info card */}
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<div className="flex items-center gap-2">
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<StatusDot status="connecting" />
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<div>
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<div className="text-sm text-txt-primary font-medium">{probeResult.name}</div>
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<div className="text-xs text-txt-tertiary">{probeResult.origin}</div>
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</div>
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</div>
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{/* Auth tabs */}
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<div className="flex gap-1 bg-surface-input rounded p-0.5">
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{probeResult.registrationOpen && (
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<button
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onClick={() => setAuthTab('register')}
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className={`flex-1 px-3 py-1.5 text-xs font-medium rounded transition-colors ${
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authTab === 'register'
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? 'bg-surface-channel text-txt-primary'
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: 'text-txt-tertiary hover:text-txt-secondary'
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}`}
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>
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Register
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</button>
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)}
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<button
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onClick={() => setAuthTab('login')}
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className={`flex-1 px-3 py-1.5 text-xs font-medium rounded transition-colors ${
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authTab === 'login'
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? 'bg-surface-channel text-txt-primary'
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: 'text-txt-tertiary hover:text-txt-secondary'
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}`}
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>
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Login
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</button>
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</div>
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{/* Register form */}
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{authTab === 'register' && (
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<div className="space-y-2">
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<div>
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<label className="block text-xs text-txt-tertiary mb-1">Username</label>
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<input
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type="text"
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value={user?.username ?? ''}
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disabled
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className="w-full px-3 py-2 bg-surface-input rounded text-txt-secondary text-sm opacity-60"
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/>
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<div className="text-xs text-txt-tertiary mt-1">
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Your username will be replicated. If taken, it becomes {user?.username}@{window.location.host}
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</div>
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</div>
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<div>
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<label className="block text-xs text-txt-tertiary mb-1">Password for this instance</label>
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<input
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type="password"
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value={password}
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onChange={(e) => setPassword(e.target.value)}
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onKeyDown={(e) => e.key === 'Enter' && !isLoading && password && handleRegister()}
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placeholder="Create a password for this instance"
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className="w-full px-3 py-2 bg-surface-input rounded text-txt-primary text-sm outline-none focus:ring-2 focus:ring-accent-primary"
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disabled={isLoading}
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/>
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</div>
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<button
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onClick={handleRegister}
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disabled={isLoading || !password}
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className="w-full px-4 py-2 bg-accent-primary hover:bg-accent-primary/80 text-white text-sm font-medium rounded transition-colors disabled:opacity-50"
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>
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{isLoading ? 'Registering...' : 'Register & Connect'}
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</button>
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</div>
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)}
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{/* Login form */}
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{authTab === 'login' && (
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<div className="space-y-2">
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<div>
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<label className="block text-xs text-txt-tertiary mb-1">Username</label>
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<input
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type="text"
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value={loginUsername}
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onChange={(e) => setLoginUsername(e.target.value)}
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placeholder="Your username on this instance"
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className="w-full px-3 py-2 bg-surface-input rounded text-txt-primary text-sm outline-none focus:ring-2 focus:ring-accent-primary"
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disabled={isLoading}
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/>
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</div>
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<div>
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<label className="block text-xs text-txt-tertiary mb-1">Password</label>
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<input
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type="password"
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value={loginPassword}
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onChange={(e) => setLoginPassword(e.target.value)}
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onKeyDown={(e) => e.key === 'Enter' && !isLoading && loginUsername && loginPassword && handleLogin()}
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placeholder="Your password on this instance"
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className="w-full px-3 py-2 bg-surface-input rounded text-txt-primary text-sm outline-none focus:ring-2 focus:ring-accent-primary"
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disabled={isLoading}
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/>
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</div>
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<button
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onClick={handleLogin}
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disabled={isLoading || !loginUsername || !loginPassword}
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className="w-full px-4 py-2 bg-accent-primary hover:bg-accent-primary/80 text-white text-sm font-medium rounded transition-colors disabled:opacity-50"
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>
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{isLoading ? 'Logging in...' : 'Login & Connect'}
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</button>
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</div>
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)}
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{/* Back button */}
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<div className="flex gap-2">
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<button
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onClick={() => { setStep('url'); setProbeResult(null); setError(''); }}
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className="text-xs text-txt-tertiary hover:text-txt-secondary transition-colors"
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>
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Back
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</button>
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<button
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onClick={onDone}
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className="text-xs text-txt-tertiary hover:text-txt-secondary transition-colors"
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>
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Cancel
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</button>
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</div>
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</>
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)}
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{/* Error display */}
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{error && (
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<div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-xs">
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{error}
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</div>
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)}
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</div>
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);
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}
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// ─── Main component ──────────────────────────────────────────────────────────
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export function ConnectedInstances() {
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const instances = useInstanceStore((s) => s.instances);
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const removeInstance = useInstanceStore((s) => s.removeInstance);
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const [showAddForm, setShowAddForm] = useState(false);
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return (
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<div className="border-t border-white/[0.06] pt-4">
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<h3 className="text-xs font-bold text-txt-secondary uppercase mb-3">
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Connected Instances
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</h3>
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<div className="space-y-2">
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{/* Home instance (always shown, non-removable) */}
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<div className="flex items-center justify-between p-3 bg-surface-channel rounded-lg">
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<div className="flex items-center gap-2 min-w-0">
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<StatusDot status="connected" />
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<div className="min-w-0">
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<div className="text-sm text-txt-primary font-medium truncate">
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Home Instance
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</div>
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<div className="text-xs text-txt-tertiary truncate">
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{window.location.host}
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</div>
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</div>
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</div>
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<div className="text-xs text-txt-tertiary shrink-0 ml-2">
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Local
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</div>
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</div>
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{/* Remote instances */}
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{instances.map((inst) => (
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<div key={inst.origin} className="flex items-center justify-between p-3 bg-surface-channel rounded-lg">
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<div className="flex items-center gap-2 min-w-0">
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<StatusDot status={inst.status} />
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<div className="min-w-0">
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<div className="text-sm text-txt-primary font-medium truncate">
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{inst.label}
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</div>
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<div className="text-xs text-txt-tertiary truncate">
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{new URL(inst.origin).host}
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{inst.username && (
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<span className="ml-1 text-txt-quaternary">as {inst.username}</span>
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)}
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</div>
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{inst.status === 'disconnected' && inst.error && (
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<div className="text-xs text-accent-amber mt-0.5">{inst.error}</div>
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)}
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</div>
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</div>
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<button
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onClick={() => removeInstance(inst.origin)}
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className="px-2 py-1 text-xs text-txt-danger hover:bg-accent-rose/10 rounded transition-colors shrink-0 ml-2"
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title="Disconnect"
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>
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Disconnect
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</button>
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</div>
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))}
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{/* Add instance button / flow */}
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{showAddForm ? (
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<AddInstanceFlow onDone={() => setShowAddForm(false)} />
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) : (
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<button
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onClick={() => setShowAddForm(true)}
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className="w-full p-2 text-sm text-txt-secondary hover:text-txt-primary hover:bg-surface-channel/50 rounded-lg border border-dashed border-white/[0.06] hover:border-white/[0.12] transition-colors"
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>
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+ Add Instance
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</button>
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)}
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</div>
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</div>
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);
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}
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