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<script lang="ts">
import { untrack } from "svelte";
import {
type Badge,
type LoadMcpStatus,
type McpServerView,
summarizeMcpServers,
viewMcpServers,
} from "../logic/view-model";
let {
cwd,
canView,
load,
}: {
/** The active conversation's cwd — the trigger to (re)load when it changes. */
cwd: string | null;
/** Whether a real conversation is focused. */
canView: boolean;
load: LoadMcpStatus;
} = $props();
const badgeClass: Record<Badge, string> = {
success: "badge-success",
warning: "badge-warning",
error: "badge-error",
neutral: "badge-ghost",
};
let servers = $state<readonly McpServerView[]>([]);
let loading = $state(false);
let error = $state<string | null>(null);
let loadedCwd = $state<string | null>(null);
let hasLoaded = $state(false);
let summary = $state("");
async function refresh() {
if (!canView) return;
loading = true;
error = null;
const result = await load();
loading = false;
if (result === null) return;
hasLoaded = true;
if (result.ok) {
servers = viewMcpServers(result.servers);
summary = summarizeMcpServers(result.servers);
loadedCwd = result.cwd;
} else {
error = result.error;
}
}
// (Re)load on mount and whenever the conversation's cwd changes. The MCP GET
// lazily spawns/connects servers, so we avoid a redundant fetch when `cwd`
// resolves to the value we already loaded for.
$effect(() => {
const target = cwd;
const can = canView;
untrack(() => {
if (!can) return;
if (!hasLoaded || target !== loadedCwd) void refresh();
});
});
</script>
<div class="flex flex-col gap-2">
<div class="flex items-center justify-between gap-2">
<span class="text-xs opacity-70">
{#if loading}
Resolving…
{:else if hasLoaded && loadedCwd !== null}
{summary}
{:else}
MCP servers
{/if}
</span>
<button
type="button"
class="btn btn-ghost btn-xs"
disabled={!canView || loading}
onclick={() => refresh()}
aria-label="Refresh MCP server status"
>
{#if loading}
<span class="loading loading-spinner loading-xs"></span>
{:else}
Refresh
{/if}
</button>
</div>
{#if !canView}
<p class="text-xs opacity-60">Open or start a conversation to see its MCP servers.</p>
{:else if error}
<p class="text-xs text-error">{error}</p>
{:else if hasLoaded && loadedCwd === null}
<p class="text-xs opacity-60">
Set a working directory in the Model panel to enable MCP servers.
</p>
{:else if hasLoaded && servers.length === 0 && !loading}
<p class="text-xs opacity-60">No MCP servers configured for this directory.</p>
{:else}
<ul class="flex flex-col gap-2">
{#each servers as server (server.id)}
<li class="flex flex-col gap-1 rounded-box bg-base-200 p-2 text-sm">
<div class="flex items-center justify-between gap-2">
<span class="font-medium font-mono">{server.id}</span>
<span class="badge badge-sm {badgeClass[server.badge]} gap-1">
{#if server.busy}
<span class="loading loading-spinner loading-xs"></span>
{/if}
{server.statusLabel}
</span>
</div>
<div class="flex items-center justify-between gap-2 text-xs opacity-60">
{#if server.configSource}
<span class="font-mono" title="Config source">{server.configSource}</span>
{:else}
<span></span>
{/if}
<span title="Discovered tools"
>{server.toolCount} tool{server.toolCount === 1 ? "" : "s"}</span
>
</div>
{#if server.error}
<span class="font-mono text-xs text-error">{server.error}</span>
{/if}
</li>
{/each}
</ul>
{/if}
</div>
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