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fix(app): replace greedy host runtime subscriptions with targeted hooks

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useHostRuntimeSession returned the full HostRuntimeSnapshot, causing
every consumer to rerender on any internal state change (probe cycles,
client generation bumps). Replace with targeted hooks that return
primitives/stable references so useSyncExternalStore skips rerenders
when the subscribed value hasn't actually changed.

New hooks: useHostRuntimeClient, useHostRuntimeConnectionStatus,
useHostRuntimeLastError, useHostRuntimeAgentDirectoryStatus,
useHostRuntimeIsDirectoryLoading. Existing useHostRuntimeIsConnected
already followed this pattern.

useHostRuntimeSnapshot kept only for settings-screen where probe
data is legitimately needed.
This commit is contained in:
Mohamed Boudra
2026-03-20 19:16:06 +07:00
parent e0f9b33d23
commit 72ea9b7a72
20 changed files with 124 additions and 70 deletions
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packages/app/src/screens/workspace/workspace-draft-agent-tab.tsx
+3 -2
View File
@@ -7,7 +7,7 @@ import { AgentStreamView } from '@/components/agent-stream-view'
import type { ImageAttachment } from '@/components/message-input'
import { useAgentFormState } from '@/hooks/use-agent-form-state'
import { useDraftAgentCreateFlow } from '@/hooks/use-draft-agent-create-flow'
import { useHostRuntimeSession } from '@/runtime/host-runtime'
import { useHostRuntimeClient, useHostRuntimeIsConnected } from '@/runtime/host-runtime'
import type { Agent } from '@/stores/session-store'
import { encodeImages } from '@/utils/encode-images'
import type { AgentCapabilityFlags, AgentSessionConfig } from '@server/server/agent/agent-sdk-types'
@@ -40,7 +40,8 @@ export function WorkspaceDraftAgentTab({
onCreated,
onOpenWorkspaceFile,
}: WorkspaceDraftAgentTabProps) {
const { client, isConnected } = useHostRuntimeSession(serverId)
const client = useHostRuntimeClient(serverId)
const isConnected = useHostRuntimeIsConnected(serverId)
const addImagesRef = useRef<((images: ImageAttachment[]) => void) | null>(null)
const {
packages/app/src/screens/workspace/workspace-screen.tsx
+3 -2
View File
@@ -70,7 +70,7 @@ import {
normalizeWorkspaceTabTarget,
workspaceTabTargetsEqual,
} from "@/utils/workspace-tab-identity";
import { useHostRuntimeSession } from "@/runtime/host-runtime";
import { useHostRuntimeClient, useHostRuntimeIsConnected } from "@/runtime/host-runtime";
import { useWorkspaceTerminalSessionRetention } from "@/terminal/hooks/use-workspace-terminal-session-retention";
import {
checkoutStatusQueryKey,
@@ -579,7 +579,8 @@ function WorkspaceScreenContent({
});
const queryClient = useQueryClient();
const { client, isConnected } = useHostRuntimeSession(normalizedServerId);
const client = useHostRuntimeClient(normalizedServerId);
const isConnected = useHostRuntimeIsConnected(normalizedServerId);
const sessionAgents = useSessionStore(
(state) => state.sessions[normalizedServerId]?.agents