feat: container monitoring frontend UI (PR-2)

- Custom ToastContext + ToastProvider + ToastContainer (~170 lines, no deps)
- useEvents() SSE hook with exponential backoff reconnect
- EventProvider context for app-wide SSE stream sharing
- Event-to-toast bridge with severity mapping and deduplication
- Real-time status badge updates replacing 30s polling
- EventSource auth probe (401/429 detection via fetch)
- 14 frontend tests (useEvents + toast-rules)

Quality gates: vitest 14 passed, tsc clean, eslint clean
This commit is contained in:
2026-05-28 23:43:00 +02:00
parent 4a7f24348c
commit f13a63dc2f
16 changed files with 1979 additions and 1368 deletions
+11 -512
View File
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+22
View File
@@ -0,0 +1,22 @@
const BASE_URL = import.meta.env.VITE_API_BASE_URL ?? "http://localhost:8000";
export function createEventSource(): EventSource {
return new EventSource(`${BASE_URL}/events/stream`, {
withCredentials: true,
});
}
export async function probeEventStreamStatus(): Promise<number | null> {
try {
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), 2000);
const res = await fetch(`${BASE_URL}/events/stream`, {
credentials: "include",
signal: controller.signal,
});
clearTimeout(timer);
return res.status;
} catch {
return null;
}
}
+142 -113
View File
@@ -7,135 +7,164 @@ import { useTheme } from "../hooks/use-theme";
import { useAuth } from "../state/auth";
import { useSessions } from "../state/sessions";
import { useMobileViewport } from "../hooks/use-mobile-viewport";
import { EventProvider } from "../state/events";
import { ToastProvider } from "../state/toast";
import { EventToastBridge } from "./event-toast-bridge";
import { Icon } from "./icon";
import { MobileNav } from "./mobile-nav";
import type { IconName } from "../utils/icons";
const NAV_ITEMS: { to: string; label: string; icon: IconName; badge?: "sessions" }[] = [
{ to: "/", label: "Home", icon: "dashboard" },
{ to: "/sessions", label: "Sessions", icon: "terminal", badge: "sessions" },
{ to: "/projects", label: "Projects", icon: "projects" },
{ to: "/tool-workshop", label: "Tool Workshop", icon: "settings" },
{ to: "/config-profiles", label: "Config Profiles", icon: "folder" },
{ to: "/settings", label: "Settings", icon: "settings" }
const NAV_ITEMS: {
to: string;
label: string;
icon: IconName;
badge?: "sessions";
}[] = [
{ to: "/", label: "Home", icon: "dashboard" },
{ to: "/sessions", label: "Sessions", icon: "terminal", badge: "sessions" },
{ to: "/projects", label: "Projects", icon: "projects" },
{ to: "/tool-workshop", label: "Tool Workshop", icon: "settings" },
{ to: "/config-profiles", label: "Config Profiles", icon: "folder" },
{ to: "/settings", label: "Settings", icon: "settings" },
];
const SessionItem = ({ session }: { session: Session }) => {
const isRunning = session.status === "running";
const isRunning = session.status === "running";
return (
<a
href={session.url ?? `/projects/${session.project_id}`}
target={session.url ? "_blank" : undefined}
rel={session.url ? "noopener noreferrer" : undefined}
className="nav-item session-item"
title={`${session.display_name} (${session.status})`}
>
<span className={`session-status ${isRunning ? "running" : ""}`} />
<Icon name={session.tool_icon as IconName} size="sm" />
<span className="session-name">{session.display_name}</span>
</a>
);
return (
<a
href={session.url ?? `/projects/${session.project_id}`}
target={session.url ? "_blank" : undefined}
rel={session.url ? "noopener noreferrer" : undefined}
className="nav-item session-item"
title={`${session.display_name} (${session.status})`}
>
<span className={`session-status ${isRunning ? "running" : ""}`} />
<Icon name={session.tool_icon as IconName} size="sm" />
<span className="session-name">{session.display_name}</span>
</a>
);
};
export const AppShell = () => {
useTheme();
const { user, logout } = useAuth();
const { sessions, setAllSessions } = useSessions();
const location = useLocation();
const isMobile = useMobileViewport();
const isMobileTerminal = isMobile && location.pathname.includes("/instances/") && location.pathname.includes("/terminal");
useTheme();
const { user, logout } = useAuth();
const { sessions, setAllSessions } = useSessions();
const location = useLocation();
const isMobile = useMobileViewport();
const isMobileTerminal =
isMobile &&
location.pathname.includes("/instances/") &&
location.pathname.includes("/terminal");
const loadSessions = useCallback(async () => {
try {
const data = await getUserSessions();
setAllSessions(data);
} catch {
// Silently fail - sessions are optional
}
}, [setAllSessions]);
const loadSessions = useCallback(async () => {
try {
const data = await getUserSessions();
setAllSessions(data);
} catch {
// Silently fail - sessions are optional
}
}, [setAllSessions]);
useEffect(() => {
void loadSessions();
// Poll every 30 seconds (reduced from 10s to avoid ERR_NETWORK_CHANGED from Docker network changes)
const interval = setInterval(() => {
void loadSessions();
}, 30000);
return () => clearInterval(interval);
}, [loadSessions]);
useEffect(() => {
void loadSessions();
// Poll every 30 seconds (reduced from 10s to avoid ERR_NETWORK_CHANGED from Docker network changes)
const interval = setInterval(() => {
void loadSessions();
}, 30000);
return () => clearInterval(interval);
}, [loadSessions]);
if (isMobileTerminal) {
return (
<div className="shell mobile-terminal-shell">
<Outlet />
</div>
);
}
if (isMobileTerminal) {
return (
<EventProvider>
<ToastProvider>
<EventToastBridge />
<div className="shell mobile-terminal-shell">
<Outlet />
</div>
</ToastProvider>
</EventProvider>
);
}
return (
<div className="shell">
<header className="shell-header">
<Link className="brand" to="/">
Headquarter
</Link>
<div className="header-actions">
<Link className="user-chip" to="/profile">
{user?.name ?? "User"}
</Link>
<button
className="ghost-button"
onClick={() => {
void logout();
}}
type="button"
>
<Icon name="logout" size="sm" />
Logout
</button>
</div>
</header>
return (
<EventProvider>
<ToastProvider>
<EventToastBridge />
<div className="shell">
<header className="shell-header">
<Link className="brand" to="/">
Headquarter
</Link>
<div className="header-actions">
<Link className="user-chip" to="/profile">
{user?.name ?? "User"}
</Link>
<button
className="ghost-button"
onClick={() => {
void logout();
}}
type="button"
>
<Icon name="logout" size="sm" />
Logout
</button>
</div>
</header>
<div className="shell-body">
{!isMobile && (
<aside className="shell-nav" aria-label="Primary navigation">
{NAV_ITEMS.map((item) => {
const activeCount = sessions.filter((s) => s.status === "running").length;
return (
<NavLink
key={item.to}
to={item.to}
className={({ isActive }) => (isActive ? "nav-item nav-item-active" : "nav-item")}
end={item.to === "/"}
>
<Icon name={item.icon} size="sm" />
{item.label}
{item.badge === "sessions" && activeCount > 0 && (
<span className="nav-badge">{activeCount}</span>
)}
</NavLink>
);
})}
{sessions.length > 0 && (
<>
<div className="nav-divider" />
<div className="nav-section-title">Live sessions</div>
{sessions.map((session) => (
<SessionItem key={session.id} session={session} />
))}
</>
)}
</aside>
)}
<div className="shell-body">
{!isMobile && (
<aside className="shell-nav" aria-label="Primary navigation">
{NAV_ITEMS.map((item) => {
const activeCount = sessions.filter(
(s) => s.status === "running",
).length;
return (
<NavLink
key={item.to}
to={item.to}
className={({ isActive }) =>
isActive ? "nav-item nav-item-active" : "nav-item"
}
end={item.to === "/"}
>
<Icon name={item.icon} size="sm" />
{item.label}
{item.badge === "sessions" && activeCount > 0 && (
<span className="nav-badge">{activeCount}</span>
)}
</NavLink>
);
})}
<main className={`shell-content ${isMobile ? "mobile" : ""}`}>
<Outlet />
</main>
</div>
{sessions.length > 0 && (
<>
<div className="nav-divider" />
<div className="nav-section-title">Live sessions</div>
{sessions.map((session) => (
<SessionItem key={session.id} session={session} />
))}
</>
)}
</aside>
)}
{isMobile && (
<MobileNav sessionCount={sessions.filter((s) => s.status === "running").length} />
)}
</div>
);
<main className={`shell-content ${isMobile ? "mobile" : ""}`}>
<Outlet />
</main>
</div>
{isMobile && (
<MobileNav
sessionCount={
sessions.filter((s) => s.status === "running").length
}
/>
)}
</div>
</ToastProvider>
</EventProvider>
);
};
@@ -0,0 +1,19 @@
import { useEffect, useRef } from "react";
import { useEventContext } from "../state/events";
import { handleEventToast } from "./toast-rules";
export function EventToastBridge(): JSX.Element | null {
const { events } = useEventContext();
const processedRef = useRef<Set<string>>(new Set());
useEffect(() => {
for (const event of events) {
const key = `${event.correlation_id}:${event.timestamp}`;
if (processedRef.current.has(key)) continue;
processedRef.current.add(key);
handleEventToast(event);
}
}, [events]);
return null;
}
+443 -430
View File
@@ -3,463 +3,476 @@ import { useNavigate } from "react-router-dom";
import { Icon } from "./icon";
import type { ToolInstance } from "../api/sessions";
import {
checkInstanceHealth,
deleteInstance,
listInstances,
recreateInstanceTunnel,
restartInstance,
startInstance,
stopInstance,
deleteInstance,
listInstances,
restartInstance,
startInstance,
stopInstance,
} from "../api/sessions";
import type { ToolType } from "../api/tool_types";
import { CreateSessionForm } from "./create-session-form";
import { listConfigProfiles, type ConfigProfile } from "../api/config_profiles";
import { useEventContext } from "../state/events";
const API_BASE_URL = import.meta.env.VITE_API_BASE_URL ?? "http://localhost:8000";
const API_BASE_URL =
import.meta.env.VITE_API_BASE_URL ?? "http://localhost:8000";
interface InstanceListProps {
projectId: string;
repoId: string;
projectName?: string;
repoName?: string;
toolTypes: ToolType[];
projectId: string;
repoId: string;
projectName?: string;
repoName?: string;
toolTypes: ToolType[];
}
export const InstanceList = ({ projectId, repoId, projectName, repoName, toolTypes }: InstanceListProps) => {
const navigate = useNavigate();
const [instances, setInstances] = useState<ToolInstance[]>([]);
const [loading, setLoading] = useState(false);
const [showCreate, setShowCreate] = useState(false);
const [error, setError] = useState<string | null>(null);
export const InstanceList = ({
projectId,
repoId,
projectName,
repoName,
toolTypes,
}: InstanceListProps) => {
const navigate = useNavigate();
const [instances, setInstances] = useState<ToolInstance[]>([]);
const [loading, setLoading] = useState(false);
const [showCreate, setShowCreate] = useState(false);
const [error, setError] = useState<string | null>(null);
// Stop confirmation
const [stopConfirmId, setStopConfirmId] = useState<string | null>(null);
// Stop confirmation
const [stopConfirmId, setStopConfirmId] = useState<string | null>(null);
// Health check state
const [healthStatus, setHealthStatus] = useState<Record<string, { healthy: boolean; lastCheck: number }>>({});
// Config profile selection for start/restart
const [configProfiles, setConfigProfiles] = useState<ConfigProfile[]>([]);
const [profileSelectInstanceId, setProfileSelectInstanceId] = useState<
string | null
>(null);
const [selectedProfileForAction, setSelectedProfileForAction] = useState("");
// Config profile selection for start/restart
const [configProfiles, setConfigProfiles] = useState<ConfigProfile[]>([]);
const [profileSelectInstanceId, setProfileSelectInstanceId] = useState<string | null>(null);
const [selectedProfileForAction, setSelectedProfileForAction] = useState("");
// Per-instance busy state for actions
const [busyInstanceId, setBusyInstanceId] = useState<string | null>(null);
// Per-instance busy state for actions
const [busyInstanceId, setBusyInstanceId] = useState<string | null>(null);
const loadInstances = useCallback(async () => {
setLoading(true);
try {
const data = await listInstances(projectId, repoId);
setInstances(data);
} catch {
setError("Failed to load instances");
} finally {
setLoading(false);
}
}, [projectId, repoId]);
const loadInstances = useCallback(async () => {
setLoading(true);
try {
const data = await listInstances(projectId, repoId);
setInstances(data);
} catch {
setError("Failed to load instances");
} finally {
setLoading(false);
}
}, [projectId, repoId]);
const { events } = useEventContext();
useEffect(() => {
void loadInstances();
}, [loadInstances]);
useEffect(() => {
void loadInstances();
}, [loadInstances]);
// Health check polling
useEffect(() => {
const runningInstances = instances.filter(i => i.status === "running" && i.url?.startsWith("http"));
if (runningInstances.length === 0) return;
// Lightweight list refresh every 60 seconds for resilience
useEffect(() => {
const interval = setInterval(() => void loadInstances(), 60000);
return () => clearInterval(interval);
}, [loadInstances]);
const checkHealth = async () => {
for (const instance of runningInstances) {
try {
const health = await checkInstanceHealth(projectId, repoId, instance.id);
setHealthStatus(prev => ({
...prev,
[instance.id]: { healthy: health.healthy, lastCheck: Date.now() }
}));
} catch {
setHealthStatus(prev => ({
...prev,
[instance.id]: { healthy: false, lastCheck: Date.now() }
}));
}
}
};
// Real-time status updates from SSE events
useEffect(() => {
if (events.length === 0) return;
const latestEvent = events[events.length - 1];
const statusEvents = [
"instance.started",
"instance.health_changed",
"instance.error",
"instance.stopped",
"instance.restarted",
];
if (!statusEvents.includes(latestEvent.event)) return;
// Check immediately
void checkHealth();
// Then every 30 seconds
const interval = setInterval(() => void checkHealth(), 30000);
return () => clearInterval(interval);
}, [instances, projectId, repoId]);
setInstances((prev) =>
prev.map((inst) =>
inst.id === latestEvent.instance_id
? { ...inst, status: latestEvent.status ?? inst.status }
: inst,
),
);
}, [events]);
const handleCreateSuccess = async () => {
setShowCreate(false);
await loadInstances();
};
const handleCreateSuccess = async () => {
setShowCreate(false);
await loadInstances();
};
const loadConfigProfiles = useCallback(async (toolTypeId: string) => {
try {
const profiles = await listConfigProfiles(projectId, toolTypeId);
setConfigProfiles(profiles);
} catch {
// ignore
}
}, [projectId]);
const loadConfigProfiles = useCallback(
async (toolTypeId: string) => {
try {
const profiles = await listConfigProfiles(projectId, toolTypeId);
setConfigProfiles(profiles);
} catch {
// ignore
}
},
[projectId],
);
const handleStart = async (instanceId: string, configProfileId?: string) => {
setBusyInstanceId(instanceId);
try {
await startInstance(projectId, repoId, instanceId, configProfileId);
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
await loadInstances();
} catch {
setError("Failed to start instance");
} finally {
setBusyInstanceId(null);
}
};
const handleStart = async (instanceId: string, configProfileId?: string) => {
setBusyInstanceId(instanceId);
try {
await startInstance(projectId, repoId, instanceId, configProfileId);
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
await loadInstances();
} catch {
setError("Failed to start instance");
} finally {
setBusyInstanceId(null);
}
};
const handleStop = async (instanceId: string) => {
setBusyInstanceId(instanceId);
try {
await stopInstance(projectId, repoId, instanceId);
setStopConfirmId(null);
await loadInstances();
} catch {
setError("Failed to stop instance");
} finally {
setBusyInstanceId(null);
}
};
const handleStop = async (instanceId: string) => {
setBusyInstanceId(instanceId);
try {
await stopInstance(projectId, repoId, instanceId);
setStopConfirmId(null);
await loadInstances();
} catch {
setError("Failed to stop instance");
} finally {
setBusyInstanceId(null);
}
};
const handleRestart = async (instanceId: string, configProfileId?: string) => {
setBusyInstanceId(instanceId);
try {
await restartInstance(projectId, repoId, instanceId, configProfileId);
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
await loadInstances();
} catch {
setError("Failed to restart instance");
} finally {
setBusyInstanceId(null);
}
};
const handleRestart = async (
instanceId: string,
configProfileId?: string,
) => {
setBusyInstanceId(instanceId);
try {
await restartInstance(projectId, repoId, instanceId, configProfileId);
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
await loadInstances();
} catch {
setError("Failed to restart instance");
} finally {
setBusyInstanceId(null);
}
};
const handleDelete = async (instanceId: string) => {
if (!confirm("Are you sure you want to delete this instance?")) return;
setBusyInstanceId(instanceId);
try {
await deleteInstance(projectId, repoId, instanceId);
// Update state immediately instead of reloading
setInstances(prev => prev.filter(i => i.id !== instanceId));
} catch {
setError("Failed to delete instance");
} finally {
setBusyInstanceId(null);
}
};
const handleDelete = async (instanceId: string) => {
if (!confirm("Are you sure you want to delete this instance?")) return;
setBusyInstanceId(instanceId);
try {
await deleteInstance(projectId, repoId, instanceId);
// Update state immediately instead of reloading
setInstances((prev) => prev.filter((i) => i.id !== instanceId));
} catch {
setError("Failed to delete instance");
} finally {
setBusyInstanceId(null);
}
};
const handleRecreateTunnel = async (instanceId: string) => {
setBusyInstanceId(instanceId);
try {
await recreateInstanceTunnel(projectId, repoId, instanceId);
await loadInstances();
} catch {
setError("Failed to recreate tunnel");
} finally {
setBusyInstanceId(null);
}
};
const getStatusColor = (status: string) => {
switch (status) {
case "running":
return "var(--success)";
case "starting":
case "probing":
return "var(--info)";
case "unhealthy":
return "var(--warning)";
case "error":
return "var(--danger)";
case "pending":
case "building":
return "var(--warning)";
default:
return "var(--muted)";
}
};
const getStatusColor = (status: string) => {
switch (status) {
case "running":
return "var(--success)";
case "error":
return "var(--danger)";
case "pending":
case "building":
return "var(--warning)";
default:
return "var(--muted)";
}
};
return (
<div className="instance-list">
<div className="instance-list-header">
<h3>Tool Instances</h3>
<button
className="secondary-button small"
onClick={() => setShowCreate(true)}
type="button"
>
<Icon name="add" size="sm" />
Launch Tool
</button>
</div>
const isTunnelUnhealthy = (instance: ToolInstance) => {
if (instance.status !== "running") return false;
if (!instance.url?.startsWith("http")) return false;
const health = healthStatus[instance.id];
if (!health) return false;
return !health.healthy;
};
{error && <div className="error-message">{error}</div>}
return (
<div className="instance-list">
<div className="instance-list-header">
<h3>Tool Instances</h3>
<button
className="secondary-button small"
onClick={() => setShowCreate(true)}
type="button"
>
<Icon name="add" size="sm" />
Launch Tool
</button>
</div>
{loading ? (
<p className="muted">Loading instances...</p>
) : instances.length === 0 ? (
<p className="muted">No instances yet. Launch a tool to get started.</p>
) : (
<div className="instance-grid">
{instances.map((instance) => (
<div
key={instance.id}
className={`instance-card ${busyInstanceId === instance.id ? "busy" : ""}`}
>
{busyInstanceId === instance.id && (
<div className="instance-busy-overlay">
<Icon name="loading" size="md" />
</div>
)}
<div className="instance-info">
<div className="instance-name">{instance.display_name}</div>
<div className="instance-meta">
<span
className="status-dot"
style={{ backgroundColor: getStatusColor(instance.status) }}
/>
{instance.status}
</div>
{instance.selected_config_profile_id && (
<div className="instance-profile">
<span className="badge">
Profile:{" "}
{configProfiles.find(
(p) => p.id === instance.selected_config_profile_id,
)?.name || instance.selected_config_profile_id}
</span>
</div>
)}
</div>
<div className="instance-actions">
{instance.status === "running" &&
instance.url &&
instance.tool_type_interfaces.includes("web") && (
<>
<a
href={
instance.url.startsWith("http")
? instance.url
: `${API_BASE_URL}${instance.url}`
}
target="_blank"
rel="noopener noreferrer"
className="secondary-button small"
>
<Icon name="external" size="sm" />
Open
</a>
</>
)}
{instance.status === "running" &&
instance.tool_type_interfaces.includes("terminal") && (
<button
className="secondary-button small"
onClick={() =>
navigate(`/instances/${instance.id}/terminal`)
}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="terminal" size="sm" />
Terminal
</button>
)}
{instance.status !== "running" && (
<>
{profileSelectInstanceId === instance.id ? (
<div className="inline-profile-select">
<select
value={selectedProfileForAction}
onChange={(e) =>
setSelectedProfileForAction(e.target.value)
}
>
<option value="">Default (none)</option>
{configProfiles.map((p) => (
<option key={p.id} value={p.id}>
{p.name}
</option>
))}
</select>
<button
className="primary-button small"
onClick={() =>
void handleStart(
instance.id,
selectedProfileForAction || undefined,
)
}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="play" size="sm" />
Start
</button>
<button
className="ghost-button small"
onClick={() => {
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
Cancel
</button>
</div>
) : (
<button
className="secondary-button small"
onClick={() => {
const toolType = toolTypes.find(
(t) => t.id === instance.tool_type_id,
);
if (toolType) {
void loadConfigProfiles(toolType.id);
}
setProfileSelectInstanceId(instance.id);
setSelectedProfileForAction(
instance.selected_config_profile_id || "",
);
}}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="play" size="sm" />
Start
</button>
)}
</>
)}
{instance.status === "running" && (
<>
{stopConfirmId === instance.id ? (
<div className="inline-confirm">
<span>Stop?</span>
<button
className="ghost-button small danger-text"
onClick={() => void handleStop(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
Yes
</button>
<button
className="ghost-button small"
onClick={() => setStopConfirmId(null)}
type="button"
disabled={busyInstanceId === instance.id}
>
No
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={() => setStopConfirmId(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="stop" size="sm" />
</button>
)}
{profileSelectInstanceId === instance.id ? (
<div className="inline-profile-select">
<select
value={selectedProfileForAction}
onChange={(e) =>
setSelectedProfileForAction(e.target.value)
}
>
<option value="">Default (none)</option>
{configProfiles.map((p) => (
<option key={p.id} value={p.id}>
{p.name}
</option>
))}
</select>
<button
className="primary-button small"
onClick={() =>
void handleRestart(
instance.id,
selectedProfileForAction || undefined,
)
}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="refresh" size="sm" />
Restart
</button>
<button
className="ghost-button small"
onClick={() => {
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={() => {
const toolType = toolTypes.find(
(t) => t.id === instance.tool_type_id,
);
if (toolType) {
void loadConfigProfiles(toolType.id);
}
setProfileSelectInstanceId(instance.id);
setSelectedProfileForAction(
instance.selected_config_profile_id || "",
);
}}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="refresh" size="sm" />
</button>
)}
</>
)}
<button
className="ghost-button small danger-text"
onClick={() => void handleDelete(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="delete" size="sm" />
</button>
</div>
</div>
))}
</div>
)}
{error && (
<div className="error-message">{error}</div>
)}
{loading ? (
<p className="muted">Loading instances...</p>
) : instances.length === 0 ? (
<p className="muted">No instances yet. Launch a tool to get started.</p>
) : (
<div className="instance-grid">
{instances.map((instance) => (
<div key={instance.id} className={`instance-card ${busyInstanceId === instance.id ? "busy" : ""}`}>
{busyInstanceId === instance.id && (
<div className="instance-busy-overlay">
<Icon name="loading" size="md" />
</div>
)}
<div className="instance-info">
<div className="instance-name">{instance.display_name}</div>
<div className="instance-meta">
<span
className="status-dot"
style={{ backgroundColor: getStatusColor(instance.status) }}
/>
{instance.status}
{isTunnelUnhealthy(instance) && (
<span className="error-badge" title="Tunnel unreachable">
<Icon name="warning" size="sm" />
tunnel error
</span>
)}
</div>
{instance.selected_config_profile_id && (
<div className="instance-profile">
<span className="badge">
Profile: {configProfiles.find((p) => p.id === instance.selected_config_profile_id)?.name || instance.selected_config_profile_id}
</span>
</div>
)}
</div>
<div className="instance-actions">
{instance.status === "running" && instance.url && instance.tool_type_interfaces.includes("web") && (
<>
<a
href={instance.url.startsWith("http") ? instance.url : `${API_BASE_URL}${instance.url}`}
target="_blank"
rel="noopener noreferrer"
className="secondary-button small"
>
<Icon name="external" size="sm" />
Open
</a>
{isTunnelUnhealthy(instance) && (
<button
className="secondary-button small warning"
onClick={() => void handleRecreateTunnel(instance.id)}
type="button"
title="Recreate tunnel"
disabled={busyInstanceId === instance.id}
>
<Icon name="refresh" size="sm" />
Fix Tunnel
</button>
)}
</>
)}
{instance.status === "running" && instance.tool_type_interfaces.includes("terminal") && (
<button
className="secondary-button small"
onClick={() => navigate(`/instances/${instance.id}/terminal`)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="terminal" size="sm" />
Terminal
</button>
)}
{instance.status !== "running" && (
<>
{profileSelectInstanceId === instance.id ? (
<div className="inline-profile-select">
<select
value={selectedProfileForAction}
onChange={(e) => setSelectedProfileForAction(e.target.value)}
>
<option value="">Default (none)</option>
{configProfiles.map((p) => (
<option key={p.id} value={p.id}>
{p.name}
</option>
))}
</select>
<button
className="primary-button small"
onClick={() => void handleStart(instance.id, selectedProfileForAction || undefined)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="play" size="sm" />
Start
</button>
<button
className="ghost-button small"
onClick={() => {
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
Cancel
</button>
</div>
) : (
<button
className="secondary-button small"
onClick={() => {
const toolType = toolTypes.find((t) => t.id === instance.tool_type_id);
if (toolType) {
void loadConfigProfiles(toolType.id);
}
setProfileSelectInstanceId(instance.id);
setSelectedProfileForAction(instance.selected_config_profile_id || "");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="play" size="sm" />
Start
</button>
)}
</>
)}
{instance.status === "running" && (
<>
{stopConfirmId === instance.id ? (
<div className="inline-confirm">
<span>Stop?</span>
<button
className="ghost-button small danger-text"
onClick={() => void handleStop(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
Yes
</button>
<button
className="ghost-button small"
onClick={() => setStopConfirmId(null)}
type="button"
disabled={busyInstanceId === instance.id}
>
No
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={() => setStopConfirmId(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="stop" size="sm" />
</button>
)}
{profileSelectInstanceId === instance.id ? (
<div className="inline-profile-select">
<select
value={selectedProfileForAction}
onChange={(e) => setSelectedProfileForAction(e.target.value)}
>
<option value="">Default (none)</option>
{configProfiles.map((p) => (
<option key={p.id} value={p.id}>
{p.name}
</option>
))}
</select>
<button
className="primary-button small"
onClick={() => void handleRestart(instance.id, selectedProfileForAction || undefined)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="refresh" size="sm" />
Restart
</button>
<button
className="ghost-button small"
onClick={() => {
setProfileSelectInstanceId(null);
setSelectedProfileForAction("");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={() => {
const toolType = toolTypes.find((t) => t.id === instance.tool_type_id);
if (toolType) {
void loadConfigProfiles(toolType.id);
}
setProfileSelectInstanceId(instance.id);
setSelectedProfileForAction(instance.selected_config_profile_id || "");
}}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="refresh" size="sm" />
</button>
)}
</>
)}
<button
className="ghost-button small danger-text"
onClick={() => void handleDelete(instance.id)}
type="button"
disabled={busyInstanceId === instance.id}
>
<Icon name="delete" size="sm" />
</button>
</div>
</div>
))}
</div>
)}
{showCreate && (
<div className="dialog-overlay" role="dialog" aria-modal="true">
<div className="dialog">
<h2>Launch Tool</h2>
<CreateSessionForm
projects={[]}
repositories={[]}
toolTypes={toolTypes}
fixedProjectId={projectId}
fixedRepoId={repoId}
projectName={projectName}
repoName={repoName}
onSuccess={handleCreateSuccess}
onCancel={() => setShowCreate(false)}
submitLabel="Launch"
/>
</div>
</div>
)}
</div>
);
{showCreate && (
<div className="dialog-overlay" role="dialog" aria-modal="true">
<div className="dialog">
<h2>Launch Tool</h2>
<CreateSessionForm
projects={[]}
repositories={[]}
toolTypes={toolTypes}
fixedProjectId={projectId}
fixedRepoId={repoId}
projectName={projectName}
repoName={repoName}
onSuccess={handleCreateSuccess}
onCancel={() => setShowCreate(false)}
submitLabel="Launch"
/>
</div>
</div>
)}
</div>
);
};
+334 -310
View File
@@ -6,333 +6,357 @@ import { MobileActionSheet } from "./mobile-action-sheet";
import type { IconName } from "./icon";
export interface SessionCardProps {
session: Session;
onOpen?: (session: Session) => void;
onStart?: (session: Session) => void;
onStop?: (session: Session) => void;
onDelete?: (session: Session) => void;
onRecreateTunnel?: (session: Session) => void;
isBusy?: boolean;
tunnelHealth?: {
healthy: boolean;
container_status: string;
container_health: string | null;
tunnel_status: string;
tunnel_status_code: number | null;
probe_status: string;
last_probe_output: string | null;
error: string | null;
} | null;
session: Session;
onOpen?: (session: Session) => void;
onStart?: (session: Session) => void;
onStop?: (session: Session) => void;
onDelete?: (session: Session) => void;
onRecreateTunnel?: (session: Session) => void;
isBusy?: boolean;
tunnelHealth?: {
healthy: boolean;
container_status: string;
container_health: string | null;
tunnel_status: string;
tunnel_status_code: number | null;
probe_status: string;
last_probe_output: string | null;
error: string | null;
} | null;
}
const statusConfig: Record<string, { color: string; label: string }> = {
running: { color: "green", label: "Running" },
building: { color: "yellow", label: "Building" },
starting: { color: "yellow", label: "Starting" },
probing: { color: "yellow", label: "Probing" },
pending: { color: "yellow", label: "Pending" },
stopped: { color: "gray", label: "Stopped" },
error: { color: "red", label: "Error" },
unhealthy: { color: "orange", label: "Unhealthy" },
running: { color: "running", label: "Running" },
building: { color: "pending", label: "Building" },
starting: { color: "starting", label: "Starting" },
probing: { color: "probing", label: "Probing" },
pending: { color: "pending", label: "Pending" },
stopped: { color: "stopped", label: "Stopped" },
error: { color: "error", label: "Error" },
unhealthy: { color: "unhealthy", label: "Unhealthy" },
};
export function SessionCard({
session,
onOpen,
onStart,
onStop,
onDelete,
onRecreateTunnel,
isBusy = false,
tunnelHealth = null,
session,
onOpen,
onStart,
onStop,
onDelete,
onRecreateTunnel,
isBusy = false,
tunnelHealth = null,
}: SessionCardProps) {
const [showStopConfirm, setShowStopConfirm] = useState(false);
const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
const [showActionSheet, setShowActionSheet] = useState(false);
const isMobile = useMobileViewport();
const [showStopConfirm, setShowStopConfirm] = useState(false);
const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
const [showActionSheet, setShowActionSheet] = useState(false);
const isMobile = useMobileViewport();
const status = statusConfig[session.status] || { color: "gray", label: session.status };
const isTerminalOnly = session.tool_type_interfaces?.includes("terminal") && !session.tool_type_interfaces?.includes("web");
const hasTunnelError = !isTerminalOnly && tunnelHealth?.tunnel_status === "unreachable";
const hasAppError = !isTerminalOnly && tunnelHealth?.tunnel_status === "error_response";
const status = statusConfig[session.status] || {
color: "gray",
label: session.status,
};
const isTerminalOnly =
session.tool_type_interfaces?.includes("terminal") &&
!session.tool_type_interfaces?.includes("web");
const hasTunnelError =
!isTerminalOnly && tunnelHealth?.tunnel_status === "unreachable";
const hasAppError =
!isTerminalOnly && tunnelHealth?.tunnel_status === "error_response";
const handleStop = () => {
if (showStopConfirm) {
setShowStopConfirm(false);
onStop?.(session);
} else {
setShowStopConfirm(true);
}
};
const handleStop = () => {
if (showStopConfirm) {
setShowStopConfirm(false);
onStop?.(session);
} else {
setShowStopConfirm(true);
}
};
const handleDelete = () => {
if (showDeleteConfirm) {
setShowDeleteConfirm(false);
onDelete?.(session);
} else {
setShowDeleteConfirm(true);
}
};
const handleDelete = () => {
if (showDeleteConfirm) {
setShowDeleteConfirm(false);
onDelete?.(session);
} else {
setShowDeleteConfirm(true);
}
};
const handleCancelStop = () => setShowStopConfirm(false);
const handleCancelDelete = () => setShowDeleteConfirm(false);
const handleCancelStop = () => setShowStopConfirm(false);
const handleCancelDelete = () => setShowDeleteConfirm(false);
const isActive = ["running", "building", "starting", "probing", "pending", "unhealthy"].includes(session.status);
const isActive = [
"running",
"building",
"starting",
"probing",
"pending",
"unhealthy",
].includes(session.status);
return (
<article className={`card session-card ${isBusy ? "busy" : ""}`}>
{isBusy && (
<div className="session-busy-overlay">
<Icon name="loading" size="md" />
</div>
)}
<div className="session-card-content">
<div className="session-card-header">
<div className="session-card-title">
<h4>{session.display_name}</h4>
<div className="session-card-status-badges">
<span className={`status-badge ${status.color}`}>{status.label}</span>
{hasTunnelError && (
<span className="status-badge error">Tunnel Error</span>
)}
{hasAppError && (
<span className="status-badge warning">App Error {tunnelHealth?.tunnel_status_code}</span>
)}
</div>
</div>
<p className="muted session-card-meta">
{session.tool_type_name}
{session.project_name && ` · ${session.project_name}`}
{session.repository_name && ` · ${session.repository_name}`}
</p>
{session.clone_mode && (
<p className="muted session-card-meta">
<Icon name="branch" size="sm" />
{session.clone_mode === "clone"
? `Clone${session.branch ? ` (${session.branch})` : ""}`
: "Mount"}
</p>
)}
{session.url && (
<p className="session-card-url">
<a href={session.url} target="_blank" rel="noopener noreferrer">
{session.url}
</a>
</p>
)}
{session.created_at && (
<p className="muted session-card-meta">
Created: {new Date(session.created_at).toLocaleString()}
</p>
)}
</div>
</div>
return (
<article className={`card session-card ${isBusy ? "busy" : ""}`}>
{isBusy && (
<div className="session-busy-overlay">
<Icon name="loading" size="md" />
</div>
)}
<div className="session-card-content">
<div className="session-card-header">
<div className="session-card-title">
<h4>{session.display_name}</h4>
<div className="session-card-status-badges">
<span className={`status-badge ${status.color}`}>
{status.label}
</span>
{hasTunnelError && (
<span className="status-badge error">Tunnel Error</span>
)}
{hasAppError && (
<span className="status-badge warning">
App Error {tunnelHealth?.tunnel_status_code}
</span>
)}
</div>
</div>
<p className="muted session-card-meta">
{session.tool_type_name}
{session.project_name && ` · ${session.project_name}`}
{session.repository_name && ` · ${session.repository_name}`}
</p>
{session.clone_mode && (
<p className="muted session-card-meta">
<Icon name="branch" size="sm" />
{session.clone_mode === "clone"
? `Clone${session.branch ? ` (${session.branch})` : ""}`
: "Mount"}
</p>
)}
{session.url && (
<p className="session-card-url">
<a href={session.url} target="_blank" rel="noopener noreferrer">
{session.url}
</a>
</p>
)}
{session.created_at && (
<p className="muted session-card-meta">
Created: {new Date(session.created_at).toLocaleString()}
</p>
)}
</div>
</div>
{isMobile ? (
<div className="session-card-actions mobile">
{isActive && (
<>
{session.url ? (
<a
href={session.url}
target="_blank"
rel="noopener noreferrer"
className="secondary-button mobile-primary"
>
<Icon name="external" size="sm" />
Open
</a>
) : (
<button
className="secondary-button mobile-primary"
onClick={() => onOpen?.(session)}
type="button"
disabled={isBusy}
>
<Icon name="external" size="sm" />
Open
</button>
)}
<button
className="ghost-button mobile-more"
onClick={() => setShowActionSheet(true)}
type="button"
disabled={isBusy}
>
<Icon name="menu" size="sm" />
</button>
</>
)}
{!isActive && onStart && (
<button
className="secondary-button mobile-primary"
onClick={() => onStart(session)}
type="button"
disabled={isBusy}
>
<Icon name="play" size="sm" />
Start
</button>
)}
{!isActive && (
<button
className="ghost-button mobile-more"
onClick={() => setShowActionSheet(true)}
type="button"
disabled={isBusy}
>
<Icon name="menu" size="sm" />
</button>
)}
</div>
) : (
<div className="session-card-actions">
{isActive && (
<>
{session.url ? (
<a
href={session.url}
target="_blank"
rel="noopener noreferrer"
className="secondary-button small"
>
<Icon name="external" size="sm" />
<span className="action-label">Open</span>
</a>
) : (
<button
className="secondary-button small"
onClick={() => onOpen?.(session)}
type="button"
disabled={isBusy}
>
<Icon name="external" size="sm" />
<span className="action-label">Open</span>
</button>
)}
{isMobile ? (
<div className="session-card-actions mobile">
{isActive && (
<>
{session.url ? (
<a
href={session.url}
target="_blank"
rel="noopener noreferrer"
className="secondary-button mobile-primary"
>
<Icon name="external" size="sm" />
Open
</a>
) : (
<button
className="secondary-button mobile-primary"
onClick={() => onOpen?.(session)}
type="button"
disabled={isBusy}
>
<Icon name="external" size="sm" />
Open
</button>
)}
<button
className="ghost-button mobile-more"
onClick={() => setShowActionSheet(true)}
type="button"
disabled={isBusy}
>
<Icon name="menu" size="sm" />
</button>
</>
)}
{!isActive && onStart && (
<button
className="secondary-button mobile-primary"
onClick={() => onStart(session)}
type="button"
disabled={isBusy}
>
<Icon name="play" size="sm" />
Start
</button>
)}
{!isActive && (
<button
className="ghost-button mobile-more"
onClick={() => setShowActionSheet(true)}
type="button"
disabled={isBusy}
>
<Icon name="menu" size="sm" />
</button>
)}
</div>
) : (
<div className="session-card-actions">
{isActive && (
<>
{session.url ? (
<a
href={session.url}
target="_blank"
rel="noopener noreferrer"
className="secondary-button small"
>
<Icon name="external" size="sm" />
<span className="action-label">Open</span>
</a>
) : (
<button
className="secondary-button small"
onClick={() => onOpen?.(session)}
type="button"
disabled={isBusy}
>
<Icon name="external" size="sm" />
<span className="action-label">Open</span>
</button>
)}
{hasTunnelError && onRecreateTunnel && (
<button
className="secondary-button small"
onClick={() => onRecreateTunnel(session)}
type="button"
disabled={isBusy}
>
<Icon name="refresh" size="sm" />
<span className="action-label">Tunnel</span>
</button>
)}
{hasTunnelError && onRecreateTunnel && (
<button
className="secondary-button small"
onClick={() => onRecreateTunnel(session)}
type="button"
disabled={isBusy}
>
<Icon name="refresh" size="sm" />
<span className="action-label">Tunnel</span>
</button>
)}
{showStopConfirm ? (
<div className="confirm-inline">
<span className="confirm-text">Stop?</span>
<button
className="danger-button small"
onClick={handleStop}
type="button"
disabled={isBusy}
>
Stop
</button>
<button
className="ghost-button small"
onClick={handleCancelStop}
type="button"
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={handleStop}
type="button"
disabled={isBusy}
>
<Icon name="stop" size="sm" />
<span className="action-label">Stop</span>
</button>
)}
</>
)}
{showStopConfirm ? (
<div className="confirm-inline">
<span className="confirm-text">Stop?</span>
<button
className="danger-button small"
onClick={handleStop}
type="button"
disabled={isBusy}
>
Stop
</button>
<button
className="ghost-button small"
onClick={handleCancelStop}
type="button"
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small"
onClick={handleStop}
type="button"
disabled={isBusy}
>
<Icon name="stop" size="sm" />
<span className="action-label">Stop</span>
</button>
)}
</>
)}
{!isActive && onStart && (
<button
className="secondary-button small"
onClick={() => onStart(session)}
type="button"
disabled={isBusy}
>
<Icon name="play" size="sm" />
<span className="action-label">Start</span>
</button>
)}
{!isActive && onStart && (
<button
className="secondary-button small"
onClick={() => onStart(session)}
type="button"
disabled={isBusy}
>
<Icon name="play" size="sm" />
<span className="action-label">Start</span>
</button>
)}
{showDeleteConfirm ? (
<div className="confirm-inline">
<span className="confirm-text">Delete?</span>
<button
className="danger-button small"
onClick={handleDelete}
type="button"
disabled={isBusy}
>
Delete
</button>
<button
className="ghost-button small"
onClick={handleCancelDelete}
type="button"
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small danger-text"
onClick={handleDelete}
type="button"
disabled={isBusy}
>
<Icon name="delete" size="sm" />
</button>
)}
</div>
)}
{showDeleteConfirm ? (
<div className="confirm-inline">
<span className="confirm-text">Delete?</span>
<button
className="danger-button small"
onClick={handleDelete}
type="button"
disabled={isBusy}
>
Delete
</button>
<button
className="ghost-button small"
onClick={handleCancelDelete}
type="button"
>
Cancel
</button>
</div>
) : (
<button
className="ghost-button small danger-text"
onClick={handleDelete}
type="button"
disabled={isBusy}
>
<Icon name="delete" size="sm" />
</button>
)}
</div>
)}
<MobileActionSheet
isOpen={showActionSheet}
onClose={() => setShowActionSheet(false)}
title={session.display_name}
actions={[
...(isActive && hasTunnelError && onRecreateTunnel
? [{
id: "tunnel",
label: "Recreate Tunnel",
icon: "refresh" as IconName,
onClick: () => onRecreateTunnel(session),
}]
: []),
...(isActive && onStop
? [{
id: "stop",
label: "Stop",
icon: "stop" as IconName,
variant: "danger" as const,
onClick: () => onStop(session),
}]
: []),
...(onDelete
? [{
id: "delete",
label: "Delete",
icon: "delete" as IconName,
variant: "danger" as const,
onClick: () => onDelete(session),
}]
: []),
]}
/>
</article>
);
<MobileActionSheet
isOpen={showActionSheet}
onClose={() => setShowActionSheet(false)}
title={session.display_name}
actions={[
...(isActive && hasTunnelError && onRecreateTunnel
? [
{
id: "tunnel",
label: "Recreate Tunnel",
icon: "refresh" as IconName,
onClick: () => onRecreateTunnel(session),
},
]
: []),
...(isActive && onStop
? [
{
id: "stop",
label: "Stop",
icon: "stop" as IconName,
variant: "danger" as const,
onClick: () => onStop(session),
},
]
: []),
...(onDelete
? [
{
id: "delete",
label: "Delete",
icon: "delete" as IconName,
variant: "danger" as const,
onClick: () => onDelete(session),
},
]
: []),
]}
/>
</article>
);
}
+148
View File
@@ -0,0 +1,148 @@
import { describe, it, expect, vi, beforeEach } from "vitest";
import { handleEventToast, clearToastDedup } from "./toast-rules";
import type { InstanceEventPayload } from "../types/events";
const mockToastInfo = vi.fn();
const mockToastSuccess = vi.fn();
const mockToastWarning = vi.fn();
const mockToastError = vi.fn();
vi.mock("../state/toast", () => ({
toast: {
info: (...args: unknown[]) => mockToastInfo(...args),
success: (...args: unknown[]) => mockToastSuccess(...args),
warning: (...args: unknown[]) => mockToastWarning(...args),
error: (...args: unknown[]) => mockToastError(...args),
},
}));
describe("toast-rules", () => {
beforeEach(() => {
clearToastDedup();
mockToastInfo.mockClear();
mockToastSuccess.mockClear();
mockToastWarning.mockClear();
mockToastError.mockClear();
});
it("maps instance.started to info toast", () => {
const event: InstanceEventPayload = {
event: "instance.started",
instance_id: "inst-1",
status: "starting",
message: "Container starting...",
metadata: {},
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
expect(mockToastInfo).toHaveBeenCalledWith("Container starting...", {
duration: 3000,
});
});
it("maps health_changed to running to success toast", () => {
const event: InstanceEventPayload = {
event: "instance.health_changed",
instance_id: "inst-1",
status: "running",
message: "Container is running",
metadata: { previous_status: "starting" },
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
expect(mockToastSuccess).toHaveBeenCalledWith("Container running", {
duration: 3000,
});
});
it("maps health_changed to unhealthy to warning toast", () => {
const event: InstanceEventPayload = {
event: "instance.health_changed",
instance_id: "inst-1",
status: "unhealthy",
message: "Container is unhealthy",
metadata: { previous_status: "running" },
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
expect(mockToastWarning).toHaveBeenCalledWith("Container unhealthy", {
duration: 5000,
});
});
it("maps instance.error to error toast with exit code", () => {
const event: InstanceEventPayload = {
event: "instance.error",
instance_id: "inst-1",
status: "error",
message: "Container crashed",
metadata: { exit_code: 137 },
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
expect(mockToastError).toHaveBeenCalledWith(
"Container crashed (exit code: 137)",
{ duration: 10000 },
);
});
it("maps instance.error to error toast without exit code", () => {
const event: InstanceEventPayload = {
event: "instance.error",
instance_id: "inst-1",
status: "error",
message: "Build failed",
metadata: {},
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
expect(mockToastError).toHaveBeenCalledWith("Build failed", {
duration: 10000,
});
});
it("deduplicates within one second", () => {
const event: InstanceEventPayload = {
event: "instance.started",
instance_id: "inst-1",
status: "starting",
message: "Container starting...",
metadata: {},
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
handleEventToast(event);
expect(mockToastInfo).toHaveBeenCalledTimes(1);
});
it("allows duplicate after one second", () => {
vi.useFakeTimers();
const event: InstanceEventPayload = {
event: "instance.started",
instance_id: "inst-1",
status: "starting",
message: "Container starting...",
metadata: {},
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
handleEventToast(event);
vi.advanceTimersByTime(1100);
handleEventToast(event);
expect(mockToastInfo).toHaveBeenCalledTimes(2);
vi.useRealTimers();
});
});
+57
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@@ -0,0 +1,57 @@
import { toast } from "../state/toast";
import type { InstanceEventPayload } from "../types/events";
const DEDUP_WINDOW_MS = 1000;
const lastToastTime = new Map<string, number>();
function makeDedupKey(instanceId: string, eventType: string): string {
return `${instanceId}:${eventType}`;
}
function shouldShowToast(instanceId: string, eventType: string): boolean {
const key = makeDedupKey(instanceId, eventType);
const now = Date.now();
const last = lastToastTime.get(key);
if (last && now - last < DEDUP_WINDOW_MS) {
return false;
}
lastToastTime.set(key, now);
return true;
}
export function handleEventToast(event: InstanceEventPayload): void {
const { event: eventType, instance_id, status, message, metadata } = event;
switch (eventType) {
case "instance.started":
if (shouldShowToast(instance_id, eventType)) {
toast.info("Container starting...", { duration: 3000 });
}
break;
case "instance.health_changed":
if (status === "running" && shouldShowToast(instance_id, eventType)) {
toast.success("Container running", { duration: 3000 });
} else if (
status === "unhealthy" &&
shouldShowToast(instance_id, eventType)
) {
toast.warning("Container unhealthy", { duration: 5000 });
}
break;
case "instance.error":
if (shouldShowToast(instance_id, eventType)) {
const msg = message ?? "Container error";
const exitCode = metadata?.exit_code;
const fullMsg =
exitCode !== undefined ? `${msg} (exit code: ${exitCode})` : msg;
toast.error(fullMsg, { duration: 10000 });
}
break;
default:
break;
}
}
export function clearToastDedup(): void {
lastToastTime.clear();
}
+189
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@@ -0,0 +1,189 @@
import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import { renderHook, waitFor, act } from "@testing-library/react";
import { useEvents } from "./use-events";
// Mock the API client
vi.mock("../api/events", () => ({
createEventSource: vi.fn(),
probeEventStreamStatus: vi.fn().mockResolvedValue(null),
}));
import { createEventSource, probeEventStreamStatus } from "../api/events";
const mockedCreateEventSource = vi.mocked(createEventSource);
const mockedProbeEventStreamStatus = vi.mocked(probeEventStreamStatus);
describe("useEvents", () => {
let mockEs: EventSource;
beforeEach(() => {
vi.useFakeTimers({ shouldAdvanceTime: true });
mockEs = {
close: vi.fn(),
onopen: null,
onmessage: null,
onerror: null,
get readyState() {
return EventSource.OPEN;
},
url: "http://localhost:8000/events/stream",
} as unknown as EventSource;
mockedCreateEventSource.mockReturnValue(mockEs);
mockedProbeEventStreamStatus.mockResolvedValue(null);
});
afterEach(() => {
vi.useRealTimers();
vi.clearAllMocks();
});
it("parses sse event and adds to state", async () => {
const { result } = renderHook(() => useEvents());
// Simulate connection open
act(() => {
mockEs.onopen?.({} as Event);
});
const payload = {
event: "instance.started",
instance_id: "abc-123",
status: "starting",
message: "Container starting...",
metadata: {},
timestamp: "2026-05-28T12:00:00Z",
correlation_id: "corr-1",
};
act(() => {
mockEs.onmessage?.({
data: JSON.stringify(payload),
} as MessageEvent);
});
await waitFor(() => {
expect(result.current.events).toHaveLength(1);
expect(result.current.events[0].instance_id).toBe("abc-123");
});
expect(result.current.connected).toBe(true);
});
it("reconnects with exponential backoff on error", async () => {
renderHook(() => useEvents());
act(() => {
mockEs.onerror?.({} as Event);
});
expect(mockEs.close).toHaveBeenCalled();
expect(mockedCreateEventSource).toHaveBeenCalledTimes(1);
// Advance past first backoff (should be ~1000ms)
await act(async () => {
vi.advanceTimersByTime(1200);
});
expect(mockedCreateEventSource).toHaveBeenCalledTimes(2);
// Trigger another error
const secondEs = mockedCreateEventSource.mock.results[1]
.value as EventSource;
act(() => {
secondEs.onerror?.({} as Event);
});
// Advance past second backoff (should be ~2000ms)
await act(async () => {
vi.advanceTimersByTime(2500);
});
expect(mockedCreateEventSource).toHaveBeenCalledTimes(3);
});
it("caps reconnect delay at 30 seconds", async () => {
renderHook(() => useEvents());
// Trigger 6 errors to get past 1s, 2s, 4s, 8s, 16s
for (let i = 0; i < 6; i++) {
const currentEs =
i === 0
? mockEs
: (mockedCreateEventSource.mock.results[i]?.value as EventSource);
act(() => {
currentEs.onerror?.({} as Event);
});
// Advance enough to trigger next reconnect
await act(async () => {
vi.advanceTimersByTime(35000);
});
}
expect(mockedCreateEventSource.mock.calls.length).toBeGreaterThan(5);
});
it("stops reconnecting and redirects on 401", async () => {
mockedProbeEventStreamStatus.mockResolvedValue(401);
const originalLocation = window.location;
// @ts-expect-error - overriding readonly location for test
delete window.location;
// @ts-expect-error - mock location
window.location = { ...originalLocation, assign: vi.fn() };
renderHook(() => useEvents());
act(() => {
mockEs.onerror?.({} as Event);
});
await act(async () => {
vi.advanceTimersByTime(1500);
});
expect(window.location.assign).toHaveBeenCalled();
// @ts-expect-error - restoring location
window.location = originalLocation;
});
it("adds 5s penalty on 429", async () => {
mockedProbeEventStreamStatus.mockResolvedValue(429);
renderHook(() => useEvents());
act(() => {
mockEs.onerror?.({} as Event);
});
// First timeout fires (~1s), detects 429, schedules penalty timeout (~7s later)
await act(async () => {
vi.advanceTimersByTime(2000);
});
expect(mockedCreateEventSource).toHaveBeenCalledTimes(1);
// Advance past penalty delay (need enough for delay + 5000)
await act(async () => {
vi.advanceTimersByTime(10000);
});
expect(mockedCreateEventSource).toHaveBeenCalledTimes(2);
});
it("cleans up EventSource on unmount", () => {
const { unmount } = renderHook(() => useEvents());
unmount();
expect(mockEs.close).toHaveBeenCalled();
});
it("exposes reconnectCount", async () => {
const { result } = renderHook(() => useEvents());
act(() => {
mockEs.onerror?.({} as Event);
});
await waitFor(() => {
expect(result.current.reconnectCount).toBeGreaterThan(0);
});
});
});
+108
View File
@@ -0,0 +1,108 @@
import { useEffect, useRef, useState, useCallback } from "react";
import { createEventSource, probeEventStreamStatus } from "../api/events";
import type { InstanceEventPayload } from "../types/events";
export interface UseEventsReturn {
events: InstanceEventPayload[];
connected: boolean;
reconnectCount: number;
error: Error | null;
}
const MAX_DELAY = 30000;
const BASE_DELAY = 1000;
export function useEvents(): UseEventsReturn {
const [events, setEvents] = useState<InstanceEventPayload[]>([]);
const [connected, setConnected] = useState(false);
const [reconnectCount, setReconnectCount] = useState(0);
const [error, setError] = useState<Error | null>(null);
const reconnectAttemptsRef = useRef(0);
const esRef = useRef<EventSource | null>(null);
const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
const isMountedRef = useRef(true);
const connect = useCallback(() => {
if (timeoutRef.current) {
clearTimeout(timeoutRef.current);
timeoutRef.current = null;
}
const es = createEventSource();
esRef.current = es;
es.onopen = () => {
if (!isMountedRef.current) return;
setConnected(true);
setError(null);
reconnectAttemptsRef.current = 0;
setReconnectCount(0);
};
es.onmessage = (e) => {
if (!isMountedRef.current) return;
try {
const payload: InstanceEventPayload = JSON.parse(e.data);
setEvents((prev) => [...prev, payload]);
} catch {
// ignore malformed events
}
};
es.onerror = () => {
if (!isMountedRef.current) return;
setConnected(false);
es.close();
esRef.current = null;
const attempts = reconnectAttemptsRef.current;
const delay =
Math.min(MAX_DELAY, BASE_DELAY * Math.pow(2, attempts)) *
(0.8 + Math.random() * 0.4);
reconnectAttemptsRef.current = attempts + 1;
setReconnectCount(reconnectAttemptsRef.current);
timeoutRef.current = setTimeout(async () => {
if (!isMountedRef.current) return;
const status = await probeEventStreamStatus();
if (status === 401) {
const baseUrl =
import.meta.env.VITE_API_BASE_URL ?? "http://localhost:8000";
window.location.assign(`${baseUrl}/auth/login`);
return;
}
if (status === 429) {
const penaltyDelay = delay + 5000;
timeoutRef.current = setTimeout(() => {
if (isMountedRef.current) {
connect();
}
}, penaltyDelay);
return;
}
connect();
}, delay);
};
}, []);
useEffect(() => {
isMountedRef.current = true;
connect();
return () => {
isMountedRef.current = false;
if (timeoutRef.current) {
clearTimeout(timeoutRef.current);
timeoutRef.current = null;
}
if (esRef.current) {
esRef.current.close();
esRef.current = null;
}
};
}, [connect]);
return { events, connected, reconnectCount, error };
}
+30
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@@ -0,0 +1,30 @@
import React, { createContext, useContext, useMemo } from "react";
import { useEvents } from "../hooks/use-events";
import type { InstanceEventPayload } from "../types/events";
interface EventContextValue {
events: InstanceEventPayload[];
connected: boolean;
reconnectCount: number;
}
const EventContext = createContext<EventContextValue>({
events: [],
connected: false,
reconnectCount: 0,
});
export function EventProvider({ children }: { children: React.ReactNode }) {
const { events, connected, reconnectCount } = useEvents();
const value = useMemo(
() => ({ events, connected, reconnectCount }),
[events, connected, reconnectCount],
);
return (
<EventContext.Provider value={value}>{children}</EventContext.Provider>
);
}
export function useEventContext() {
return useContext(EventContext);
}
+206
View File
@@ -0,0 +1,206 @@
import React, {
createContext,
useContext,
useState,
useCallback,
useRef,
useEffect,
} from "react";
export type ToastSeverity = "info" | "success" | "warning" | "error";
export interface ToastItem {
id: string;
message: string;
severity: ToastSeverity;
duration: number | null;
createdAt: number;
}
interface ToastContextValue {
toasts: ToastItem[];
addToast: (
message: string,
severity: ToastSeverity,
duration?: number | null,
) => void;
removeToast: (id: string) => void;
}
const ToastContext = createContext<ToastContextValue | null>(null);
let globalToastId = 0;
export function ToastProvider({ children }: { children: React.ReactNode }) {
const [toasts, setToasts] = useState<ToastItem[]>([]);
const timersRef = useRef<Map<string, ReturnType<typeof setTimeout>>>(
new Map(),
);
const removeToast = useCallback((id: string) => {
setToasts((prev) => prev.filter((t) => t.id !== id));
const timer = timersRef.current.get(id);
if (timer) {
clearTimeout(timer);
timersRef.current.delete(id);
}
}, []);
const addToast = useCallback(
(
message: string,
severity: ToastSeverity,
duration: number | null = 3000,
) => {
const id = `toast-${++globalToastId}`;
const toast: ToastItem = {
id,
message,
severity,
duration,
createdAt: Date.now(),
};
setToasts((prev) => [...prev, toast]);
if (duration !== null && duration > 0) {
const timer = setTimeout(() => {
removeToast(id);
}, duration);
timersRef.current.set(id, timer);
}
},
[removeToast],
);
useEffect(() => {
toast.info = (msg, opts) => addToast(msg, "info", opts?.duration ?? 3000);
toast.success = (msg, opts) =>
addToast(msg, "success", opts?.duration ?? 3000);
toast.warning = (msg, opts) =>
addToast(msg, "warning", opts?.duration ?? 5000);
toast.error = (msg, opts) =>
addToast(msg, "error", opts?.duration ?? 10000);
return () => {
toast.info = () => {};
toast.success = () => {};
toast.warning = () => {};
toast.error = () => {};
};
}, [addToast]);
return (
<ToastContext.Provider value={{ toasts, addToast, removeToast }}>
{children}
<ToastContainer toasts={toasts} onDismiss={removeToast} />
</ToastContext.Provider>
);
}
export function useToast() {
const ctx = useContext(ToastContext);
if (!ctx) {
throw new Error("useToast must be used within ToastProvider");
}
return ctx;
}
type ToastFn = (message: string, opts?: { duration?: number }) => void;
export const toast: {
info: ToastFn;
success: ToastFn;
warning: ToastFn;
error: ToastFn;
} = {
info: () => {
/* assigned by ToastProvider */
},
success: () => {
/* assigned by ToastProvider */
},
warning: () => {
/* assigned by ToastProvider */
},
error: () => {
/* assigned by ToastProvider */
},
};
function severityStyles(severity: ToastSeverity): React.CSSProperties {
switch (severity) {
case "success":
return { backgroundColor: "#16a34a", color: "#fff" };
case "warning":
return { backgroundColor: "#d97706", color: "#fff" };
case "error":
return { backgroundColor: "#dc2626", color: "#fff" };
case "info":
default:
return { backgroundColor: "#2563eb", color: "#fff" };
}
}
function ToastContainer({
toasts,
onDismiss,
}: {
toasts: ToastItem[];
onDismiss: (id: string) => void;
}) {
return (
<div
style={{
position: "fixed",
top: 16,
right: 16,
zIndex: 9999,
display: "flex",
flexDirection: "column",
gap: 8,
maxWidth: 360,
width: "100%",
pointerEvents: "none",
}}
>
{toasts.map((t) => (
<div
key={t.id}
style={{
pointerEvents: "auto",
padding: "12px 16px",
borderRadius: 8,
boxShadow: "0 4px 12px rgba(0,0,0,0.15)",
display: "flex",
alignItems: "center",
justifyContent: "space-between",
gap: 12,
animation: "toastSlideIn 0.3s ease-out",
...severityStyles(t.severity),
}}
>
<span style={{ fontSize: 14, fontWeight: 500, lineHeight: 1.4 }}>
{t.message}
</span>
<button
onClick={() => onDismiss(t.id)}
style={{
background: "none",
border: "none",
color: "inherit",
cursor: "pointer",
fontSize: 18,
lineHeight: 1,
padding: 0,
margin: 0,
opacity: 0.8,
}}
aria-label="Dismiss toast"
type="button"
>
×
</button>
</div>
))}
</div>
);
}
+34
View File
@@ -3381,6 +3381,17 @@ a.nav-item,
color: var(--danger, #dc2626);
}
.status-badge.starting,
.status-badge.probing {
background: var(--info-light, #dbeafe);
color: var(--info, #2563eb);
}
.status-badge.unhealthy {
background: var(--warning-light, #fef3c7);
color: var(--warning, #d97706);
}
/* ============================================
Mobile Terminal Styles
============================================ */
@@ -4452,3 +4463,26 @@ a:active,
gap: 0.5rem;
margin-top: 0.25rem;
}
/* Toast animations */
@keyframes toastSlideIn {
from {
opacity: 0;
transform: translateX(100%);
}
to {
opacity: 1;
transform: translateX(0);
}
}
@keyframes toastFadeOut {
from {
opacity: 1;
transform: translateX(0);
}
to {
opacity: 0;
transform: translateX(100%);
}
}
+17
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@@ -0,0 +1,17 @@
export interface InstanceEventMetadata {
exit_code?: number;
tunnel_url?: string;
probe_output?: string;
error_type?: "container" | "tunnel" | "probe";
previous_status?: string;
}
export interface InstanceEventPayload {
event: string;
instance_id: string;
status?: string;
message?: string;
metadata: InstanceEventMetadata;
timestamp: string;
correlation_id: string;
}
@@ -0,0 +1,125 @@
# PR-2 Apply Report: Frontend UI for Container Monitoring & Notifications
## Status: COMPLETE
All assigned PR-2 tasks have been implemented and validated.
---
## Changed Files
### New Files (9)
| File | Purpose |
|------|---------|
| `apps/web/src/types/events.ts` | TypeScript `InstanceEventPayload` + `InstanceEventMetadata` interfaces |
| `apps/web/src/api/events.ts` | Thin EventSource wrapper + `probeEventStreamStatus` for 401/429 detection |
| `apps/web/src/hooks/use-events.ts` | `useEvents()` hook with SSE connect, exponential backoff reconnect, jitter |
| `apps/web/src/hooks/use-events.test.ts` | Unit tests for useEvents (7 tests) |
| `apps/web/src/components/toast-rules.ts` | Event-to-toast mapping + deduplication logic |
| `apps/web/src/components/toast-rules.test.ts` | Unit tests for toast rules (7 tests) |
| `apps/web/src/state/toast.tsx` | Custom lightweight toast system: ToastContext, ToastProvider, ToastContainer |
| `apps/web/src/state/events.tsx` | EventProvider context that wraps `useEvents()` and exposes events to consumers |
| `apps/web/src/components/event-toast-bridge.tsx` | Bridge component that consumes EventContext and triggers toasts via toast-rules |
### Modified Files (4)
| File | Change |
|------|--------|
| `apps/web/src/components/app-shell.tsx` | Mount `EventProvider` + `ToastProvider` + `EventToastBridge` on all authenticated routes |
| `apps/web/src/components/instance-list.tsx` | Removed 30s health polling; added SSE-driven real-time status updates; retained 60s list refresh |
| `apps/web/src/components/session-card.tsx` | Updated `statusConfig` badge colors: `starting`/`probing` → blue, `unhealthy` → amber |
| `apps/web/src/styles.css` | Added `.status-badge.starting`, `.status-badge.probing`, `.status-badge.unhealthy` + toast animation keyframes |
---
## Implementation Summary
### MON-PR2-001 / MON-PR2-002: useEvents() Hook + events.ts API Client
- `createEventSource()` returns native `EventSource` with `withCredentials: true`
- `useEvents()` hook maintains `events`, `connected`, `reconnectCount`, and `error` state
- Reconnect strategy: `delay = min(30000, 1000 * 2^attempts) * (0.8 + Math.random() * 0.4)`
- On `401` (detected via `probeEventStreamStatus` fetch probe): stops reconnecting and redirects to login
- On `429`: adds 5s penalty before next retry
- Cleans up `EventSource` and pending timeouts on unmount
### MON-PR2-003 / MON-PR2-004: Custom Toast System (No External Dependencies)
- Built a pure React + CSS toast stack:
- `ToastContext` with `addToast` / `removeToast` APIs
- `ToastProvider` manages timer-based auto-dismissal
- `ToastContainer` renders fixed-position stack with inline styles + CSS animation
- Supports severity colors: info (blue), success (green), warning (amber), error (red)
- Auto-dismiss timers: info/success 3s, warning 5s, error 10s (configurable)
- Manual dismiss via × button on each toast
### MON-PR2-005: EventProvider Context
- `EventProvider` mounts at app-shell level, calls `useEvents()` once, shares event stream via React context
- `useEventContext()` allows any descendant to subscribe to the shared SSE stream without creating duplicate connections
### MON-PR2-006: Real-Time Status Badge Updates + Polling Removal
- Removed the 30-second `checkInstanceHealth` polling loop from `instance-list.tsx`
- Added `useEffect` that listens to SSE events and updates `instances` state in-place for matching `instance_id`
- Retained a 60-second `setInterval` for `loadInstances()` as a resilience fallback
- Updated `session-card.tsx` badge color mapping to match spec:
- `starting` / `probing` → blue CSS class
- `unhealthy` → amber CSS class
- Added corresponding CSS rules in `styles.css`
### MON-PR2-007: Integration into App Shell
- `AppShell` now wraps all authenticated routes with `EventProvider` and `ToastProvider`
- `EventToastBridge` is mounted inside the providers to render toasts from SSE events
- Mobile terminal view also gets the providers (toasts still work in terminal)
### MON-PR2-008: Frontend Tests
- `use-events.test.ts`: 7 tests covering event parsing, reconnect backoff, 30s cap, 401 redirect, 429 penalty, unmount cleanup, reconnectCount exposure
- `toast-rules.test.ts`: 7 tests covering event-to-toast mapping (started, running, unhealthy, error) and deduplication within 1s window
---
## Test Commands & Exit Codes
```bash
# Focused new tests
$ cd apps/web && npx vitest run src/hooks/use-events.test.ts src/components/toast-rules.test.ts
# Exit code: 0 (14 passed)
# Broader regression check on modified page/component tests
$ cd apps/web && npx vitest run src/hooks/use-events.test.ts src/components/toast-rules.test.ts src/pages/dashboard.test.tsx src/components/terminal-session-tabs.test.tsx src/components/protected-route.test.tsx
# Exit code: 0 (25 passed)
# TypeScript type check
$ cd apps/web && npx tsc --noEmit
# Exit code: 0 (no errors)
# Lint on new/modified files only
$ cd apps/web && npx eslint <new ts/tsx files> --ext ts,tsx --report-unused-disable-directives --max-warnings 0
# Exit code: 0 (all clean)
```
> **Note:** The full `npx vitest run` shows 4 pre-existing failures in `repositories-settings-tab.test.tsx` (unrelated to this PR). The full `npx eslint` also shows 3 pre-existing errors in `terminal.tsx` and `tool-workshop.tsx`.
---
## Surprises & Decisions
1. **No sonner dependency**: The orchestrator instructed not to install `sonner` because `npm install` hangs in this environment. Implemented a custom ~170-line toast system instead using pure React + inline CSS. It supports severity, auto-dismiss, manual dismiss, and stacking with CSS animations.
2. **EventSource 401/429 detection**: Native `EventSource` does not expose HTTP status codes. Implemented a `probeEventStreamStatus()` helper that does a short `fetch()` to the SSE endpoint with `AbortController` timeout to detect 401/429 before reconnecting.
3. **Badge color CSS classes**: The existing `session-card.tsx` used raw color strings ("green", "yellow", etc.) as CSS class names, but no corresponding CSS classes existed. Added explicit `.status-badge.starting`, `.status-badge.probing`, and `.status-badge.unhealthy` rules to `styles.css`.
4. **Tunnel health removal**: The 30s polling loop in `instance-list.tsx` was the source of `healthStatus` state used for "tunnel error" badges. After removing polling, tunnel-specific health data is no longer available in real time; instances now rely on SSE `status` transitions (e.g., `unhealthy`). The tunnel error badge was removed from `instance-list.tsx` as redundant with the status badge.
5. **App.tsx vs app-shell.tsx**: This codebase has no `App.tsx`; `AppShell` in `app-shell.tsx` is the layout component that wraps all authenticated routes. Providers were mounted there instead.
---
## PR Boundary
This PR includes the complete frontend UI for container monitoring and notifications:
- SSE client hook with reconnect backoff
- Custom toast notification system
- Event provider context
- Real-time status badge updates
- Polling removal from instance list
The next PR (PR-3) should cover:
- Integration tests for lifecycle event flow
- E2E tests for container start → toast and crash detection
- Performance tuning (connection limits, queue bounds, jitter)
- Documentation updates
- Final cleanup and regression validation
@@ -82,11 +82,102 @@ All checks passed!
3. **Delete audit row**: The FK `ON DELETE CASCADE` on `instance_events.instance_id` means the audit row for `instance.deleted` cannot survive deletion. The row is inserted before `session.delete(instance)` and is cascade-deleted on commit. The event bus publication still occurs.
4. **SQLite test compatibility**: Used `JSON` instead of `JSONB` in the SQLAlchemy model to maintain SQLite test compatibility. The migration uses `sa.JSON()` which maps appropriately.
## Remaining Tasks (for PR-2 / PR-3)
## Remaining Tasks (for PR-3)
- Frontend `useEvents()` hook, `ToastProvider`, `toast-rules.ts`
- Frontend badge real-time updates + polling removal
- Integration tests for SSE endpoint (MON-PR1-012)
- Integration tests for lifecycle hooks
- E2E tests
- Performance tuning and documentation
---
# PR-2 Apply Progress: Frontend UI for Container Monitoring & Notifications
## TDD Cycle Evidence
### useEvents Hook (MON-PR2-001 + MON-PR2-002 + MON-PR2-006)
| Cycle | Action | Evidence |
|-------|--------|----------|
| RED | Wrote `use-events.test.ts` with mocks for non-existent `api/events.ts` and `hooks/use-events.ts` | `vitest` collection error: `Cannot find module '../api/events'` |
| GREEN | Implemented `types/events.ts`, `api/events.ts`, and `hooks/use-events.ts` with SSE connect + reconnect backoff | `vitest run src/hooks/use-events.test.ts` → 7 passed |
| REFACTOR | Extracted `probeEventStreamStatus` into `api/events.ts`; added `isMountedRef` guard to prevent state updates after unmount | Tests still pass |
| TRIANGULATE | Added 401 redirect test and 429 penalty test using `probeEventStreamStatus` | Both pass |
### Toast Rules (MON-PR2-003 + MON-PR2-007)
| Cycle | Action | Evidence |
|-------|--------|----------|
| RED | Wrote `toast-rules.test.ts` mocking `../state/toast` | `vitest` collection error: `Cannot find module '../state/toast'` |
| GREEN | Implemented `state/toast.tsx` (custom toast system) and `components/toast-rules.ts` | `vitest run src/components/toast-rules.test.ts` → 7 passed |
| TRIANGULATE | Added deduplication tests (within 1s and after 1s) | Tests pass |
### EventProvider + Integration (MON-PR2-004 + MON-PR2-005 + MON-PR2-007)
| Cycle | Action | Evidence |
|-------|--------|----------|
| RED | Attempted to mount `<ToastProvider>` in `app-shell.tsx` before component existed | Build error: `Cannot find module '../state/toast'` |
| GREEN | Created `state/events.tsx`, `components/event-toast-bridge.tsx`, and integrated all providers into `app-shell.tsx` | `tsc --noEmit` clean; app renders in tests |
## Completed Tasks
- [x] MON-PR2-001: `useEvents()` SSE hook with reconnect backoff (`apps/web/src/hooks/use-events.ts`)
- [x] MON-PR2-002: `events.ts` API client — EventSource wrapper + probe helper (`apps/web/src/api/events.ts`)
- [x] MON-PR2-003: Custom `Toast` system with severity, auto-dismiss, manual dismiss (`apps/web/src/state/toast.tsx`)
- [x] MON-PR2-004: `ToastContainer` that manages toast queue + stacking + CSS animations
- [x] MON-PR2-005: `EventProvider` context — wraps app, provides shared event stream
- [x] MON-PR2-006: Real-time status badge updates — replaced 30s polling in `instance-list.tsx` with SSE-driven updates
- [x] MON-PR2-007: Integrated into `app-shell.tsx` — mounts `ToastProvider` + `EventProvider` + `EventToastBridge`
- [x] MON-PR2-008: Frontend tests for `useEvents` (7 tests) and toast rules (7 tests)
## Files Changed
### New Files
- `apps/web/src/types/events.ts`
- `apps/web/src/api/events.ts`
- `apps/web/src/hooks/use-events.ts`
- `apps/web/src/hooks/use-events.test.ts`
- `apps/web/src/components/toast-rules.ts`
- `apps/web/src/components/toast-rules.test.ts`
- `apps/web/src/state/toast.tsx`
- `apps/web/src/state/events.tsx`
- `apps/web/src/components/event-toast-bridge.tsx`
### Modified Files
- `apps/web/src/components/app-shell.tsx` — mount providers
- `apps/web/src/components/instance-list.tsx` — remove 30s polling, add SSE status updates, add 60s refresh
- `apps/web/src/components/session-card.tsx` — update badge color mapping
- `apps/web/src/styles.css` — add status-badge and toast animation styles
## Test Evidence
```bash
# New frontend unit tests — all pass
$ cd apps/web && npx vitest run src/hooks/use-events.test.ts src/components/toast-rules.test.ts
14 passed
# Regression check on related pages/components
$ cd apps/web && npx vitest run src/hooks/use-events.test.ts src/components/toast-rules.test.ts src/pages/dashboard.test.tsx src/components/terminal-session-tabs.test.tsx src/components/protected-route.test.tsx
25 passed
# TypeScript check
$ cd apps/web && npx tsc --noEmit
# Exit code: 0
# Lint on new/modified files
$ cd apps/web && npx eslint <new ts/tsx files> --ext ts,tsx --report-unused-disable-directives --max-warnings 0
# Exit code: 0
```
## Deviation from Design
1. **No sonner dependency**: The orchestrator explicitly instructed not to install `sonner` because `npm install` hangs in this environment. Implemented a custom ~170-line toast system instead using pure React + inline CSS. It is API-compatible with the expected `toast.info/success/warning/error(message, opts)` contract.
2. **EventSource 401/429 detection**: Native `EventSource.onerror` does not expose HTTP status codes. Added `probeEventStreamStatus()` in `api/events.ts` that performs a short `fetch()` with `AbortController` timeout to detect 401/429 before reconnecting.
3. **App.tsx vs app-shell.tsx**: This codebase has no `App.tsx`; `AppShell` in `app-shell.tsx` is the layout component that wraps all authenticated routes. Providers were mounted there instead.
4. **Tunnel health badge removed from instance-list**: The 30s polling loop was the sole source of tunnel health data. After removing it, the "tunnel error" badge is redundant because SSE status transitions to `unhealthy` are reflected in the status badge itself.
## Remaining Tasks (for PR-3)
- Integration tests for SSE endpoint (MON-PR1-012)
- Integration tests for lifecycle hooks (MON-PR3-001)
- E2E tests for container start → toast and crash detection (MON-PR3-002 / MON-PR3-003)
- Performance tuning — connection limits, queue bounds, jitter (MON-PR3-004)
- Documentation updates (MON-PR3-005)
- Final cleanup and regression validation (MON-PR3-006)