fix(runtime): suppress outage toast on disconnect

src/renderer/src/components/settings/RuntimeEnvironmentsPane.tsx

@@ -592,10 +592,14 @@ export function RuntimeEnvironmentsPane({
       await window.api.runtimeEnvironments.disconnect({ selector: environment.id })
       // Why: disconnect is non-destructive; keep the saved server but show the
       // user that this live client is no longer attached to it.
-      useAppStore.getState().setRuntimeEnvironmentStatus(environment.id, {
-        status: null,
-        checkedAt: Date.now()
-      })
+      useAppStore.getState().setRuntimeEnvironmentStatus(
+        environment.id,
+        {
+          status: null,
+          checkedAt: Date.now()
+        },
+        { suppressDisconnectToast: true }
+      )
       if (mountedRef.current) {
         setDetailsByEnvironmentId((current) => ({
           ...current,

src/renderer/src/components/status-bar/SshStatusSegment.tsx

@@ -254,7 +254,11 @@ export function SshStatusSegment({
     async (environmentId: string): Promise<void> => {
       try {
         await window.api.runtimeEnvironments.disconnect({ selector: environmentId })
-        setRuntimeEnvironmentStatus(environmentId, { status: null, checkedAt: Date.now() })
+        setRuntimeEnvironmentStatus(
+          environmentId,
+          { status: null, checkedAt: Date.now() },
+          { suppressDisconnectToast: true }
+        )
         recordFeatureInteraction('ssh')
       } catch (err) {
         toast.error(

src/renderer/src/store/slices/runtime-status.test.ts

@@ -240,6 +240,22 @@ describe('runtime-status slice', () => {
     expect(toast.warning).not.toHaveBeenCalled()
   })
 
+  it('does not report an intentional disconnect as an outage', () => {
+    const store = createSliceStore()
+    store.getState().setRuntimeEnvironmentStatus('env-a', { status: makeStatus(), checkedAt: 1 })
+
+    store
+      .getState()
+      .setRuntimeEnvironmentStatus(
+        'env-a',
+        { status: null, checkedAt: 2 },
+        { suppressDisconnectToast: true }
+      )
+
+    expect(toast.warning).not.toHaveBeenCalled()
+    expect(store.getState().runtimeStatusByEnvironmentId.get('env-a')?.status).toBeNull()
+  })
+
   it('clears a single environment entry', () => {
     const store = createSliceStore()
     store.getState().setRuntimeEnvironmentStatus('env-a', { status: makeStatus(), checkedAt: 1 })

src/renderer/src/store/slices/runtime-status.ts

@@ -46,7 +46,11 @@ export type RuntimeStatusSlice = {
    * retires state owned by any environment that just left the saved list. */
   setRuntimeEnvironments: (environments: PublicKnownRuntimeEnvironment[]) => void
   /** Merges one environment's status. Replaces the prior entry for that id. */
-  setRuntimeEnvironmentStatus: (environmentId: string, status: RuntimeEnvironmentStatus) => void
+  setRuntimeEnvironmentStatus: (
+    environmentId: string,
+    status: RuntimeEnvironmentStatus,
+    options?: { suppressDisconnectToast?: boolean }
+  ) => void
   /** Drops a removed environment so stale hosts don't linger in the registry. */
   clearRuntimeEnvironmentStatus: (environmentId: string) => void
   /** Drops every entry whose id is not in the saved-environments set. */
@@ -223,7 +227,7 @@ export const createRuntimeStatusSlice: StateCreator<AppState, [], [], RuntimeSta
     }
   },
 
-  setRuntimeEnvironmentStatus: (environmentId, status) => {
+  setRuntimeEnvironmentStatus: (environmentId, status, options) => {
     const previous = get().runtimeStatusByEnvironmentId.get(environmentId)
     // Why: a non-null status proves the runtime just answered, so drop any stale
     // "offline" compat failure before this online transition fires the
@@ -249,7 +253,12 @@ export const createRuntimeStatusSlice: StateCreator<AppState, [], [], RuntimeSta
     })
     if (previous?.status === null && status.status !== null) {
       dismissRuntimeDisconnectedToast(environmentId)
-    } else if (previous && previous.status !== null && status.status === null) {
+    } else if (
+      previous &&
+      previous.status !== null &&
+      status.status === null &&
+      !options?.suppressDisconnectToast
+    ) {
       showRuntimeDisconnectedToast(environmentId, get)
     }
   },