diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index f0d8f64..d262891 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -37,6 +37,8 @@ import { ScanHistoryModal } from '@/components/modals/ScanHistoryModal'
import { ShortcutsModal } from '@/components/modals/ShortcutsModal'
import { ConfirmAddToGroupModal } from '@/components/modals/ConfirmAddToGroupModal'
import { useCanvasStore } from '@/stores/canvasStore'
+import { readAutosaveSettings, subscribeAutosaveSettings, type AutosaveSettings } from '@/utils/autosaveSettings'
+import { useAutosave } from '@/hooks/useAutosave'
import { useDesignStore } from '@/stores/designStore'
import { useAuthStore } from '@/stores/authStore'
import { useThemeStore } from '@/stores/themeStore'
@@ -53,7 +55,7 @@ import { buildProxmoxClusterEdges } from '@/components/proxmox/clusterEdges'
const STANDALONE = import.meta.env.VITE_STANDALONE === 'true'
export default function App() {
- const { loadCanvas, applyLayout, markSaved, markUnsaved, selectedNodeId, selectedNodeIds, addNode, updateNode, deleteNode, onConnect, updateEdge, deleteEdge, setProxmoxContainerMode, setNodeZIndex, editingGroupRectId, setEditingGroupRectId, editingTextId, setEditingTextId, nodes, edges, snapshotHistory, undo, redo, addToGroup, addToContainer, floorMap, setFloorMap } = useCanvasStore()
+ const { loadCanvas, applyLayout, markSaved, markUnsaved, hasUnsavedChanges, editSeq, selectedNodeId, selectedNodeIds, addNode, updateNode, deleteNode, onConnect, updateEdge, deleteEdge, setProxmoxContainerMode, setNodeZIndex, editingGroupRectId, setEditingGroupRectId, editingTextId, setEditingTextId, nodes, edges, snapshotHistory, undo, redo, addToGroup, addToContainer, floorMap, setFloorMap } = useCanvasStore()
const canvasRef = useRef(null)
const { isAuthenticated } = useAuthStore()
const { activeTheme, setTheme, customStyle, setCustomStyle } = useThemeStore()
@@ -61,6 +63,17 @@ export default function App() {
useStatusPolling()
+ const [autosave, setAutosave] = useState(readAutosaveSettings)
+ useEffect(() => subscribeAutosaveSettings(setAutosave), [])
+
+ // Provenance: which design the in-memory canvas was loaded as. Differs from
+ // activeDesignId (the selection) during a switch, so autosave gates on this to
+ // avoid writing one design's canvas under another's id. Ref mirror for the
+ // fire-time guard, which must read the live value without re-arming the timer.
+ const [loadedDesignId, setLoadedDesignId] = useState(null)
+ const loadedDesignIdRef = useRef(loadedDesignId)
+ useEffect(() => { loadedDesignIdRef.current = loadedDesignId }, [loadedDesignId])
+
const [themeModalOpen, setThemeModalOpen] = useState(false)
const [styleEditorType, setStyleEditorType] = useState(null)
const [searchOpen, setSearchOpen] = useState(false)
@@ -93,7 +106,7 @@ export default function App() {
// Declare handleSave before the Ctrl+S effect so it is in scope.
// Returns true on success, false on failure — the design-switch effect relies
// on this to avoid loading (and clobbering) the canvas when a save fails.
- const handleSave = useCallback(async (designIdOverride?: string): Promise => {
+ const handleSave = useCallback(async (designIdOverride?: string, options?: { silent?: boolean }): Promise => {
try {
const saveDesignId = designIdOverride ?? activeDesignId
if (STANDALONE) {
@@ -101,7 +114,7 @@ export default function App() {
// Floor plans are backend-only (upload/serve), so standalone never persists one.
standaloneStorage.saveCanvas(saveDesignId, { nodes, edges, theme_id: activeTheme, custom_style: customStyle })
markSaved()
- toast.success('Canvas saved')
+ if (!options?.silent) toast.success('Canvas saved')
return true
}
const nodesToSave = nodes.map(serializeNode)
@@ -110,7 +123,7 @@ export default function App() {
if (floorMap) viewport.floor_map = floorMap
await canvasApi.save({ nodes: nodesToSave, edges: edgesToSave, viewport, custom_style: customStyle, design_id: saveDesignId })
markSaved()
- toast.success('Canvas saved')
+ if (!options?.silent) toast.success('Canvas saved')
return true
} catch {
toast.error('Save failed')
@@ -122,6 +135,21 @@ export default function App() {
const handleSaveRef = useRef(handleSave)
useEffect(() => { handleSaveRef.current = handleSave }, [handleSave])
+ // Debounced, opt-in autosave. Pins the active design when armed and re-checks
+ // it at fire time so a mid-switch save can't clobber the wrong design.
+ useAutosave({
+ enabled: autosave.enabled,
+ delaySeconds: autosave.delay,
+ hasUnsavedChanges,
+ designId: loadedDesignId,
+ // Debounce resets on each real user edit (editSeq), not on raw nodes/edges
+ // identity — live status polling churns those arrays without a user edit and
+ // would otherwise keep re-arming (and starving) the timer during monitoring.
+ changeSignals: [editSeq],
+ getLiveDesignId: () => loadedDesignIdRef.current,
+ onSave: (designId) => { void handleSaveRef.current(designId, { silent: true }) },
+ })
+
const loadCanvasFromApi = useCallback(async (designId?: string) => {
try {
const res = await canvasApi.load(designId)
@@ -151,6 +179,9 @@ export default function App() {
} catch {
setFloorMap(null)
loadCanvas(demoNodes, demoEdges)
+ } finally {
+ // Record provenance so autosave writes back under the design just loaded.
+ setLoadedDesignId(designId ?? null)
}
}, [loadCanvas, setTheme, setCustomStyle, setFloorMap])
@@ -169,6 +200,8 @@ export default function App() {
setFloorMap(null)
loadCanvas(demoNodes, demoEdges)
}
+ // Record provenance so autosave writes back under the design just loaded.
+ setLoadedDesignId(designId)
}, [loadCanvas, setTheme, setCustomStyle, setFloorMap])
const loadDesignsAndCanvas = useCallback(async () => {
diff --git a/frontend/src/components/modals/SettingsModal.tsx b/frontend/src/components/modals/SettingsModal.tsx
index fa16651..58f98a5 100644
--- a/frontend/src/components/modals/SettingsModal.tsx
+++ b/frontend/src/components/modals/SettingsModal.tsx
@@ -18,6 +18,12 @@ import {
writeAlignmentSettings,
subscribeAlignmentSettings,
} from '@/utils/alignmentSettings'
+import {
+ type AutosaveSettings,
+ readAutosaveSettings,
+ writeAutosaveSettings,
+ subscribeAutosaveSettings,
+} from '@/utils/autosaveSettings'
const STANDALONE = import.meta.env.VITE_STANDALONE === 'true'
@@ -124,6 +130,7 @@ export function SettingsModal({ open, onClose }: SettingsModalProps) {
const [zwInterval, setZwInterval] = useState(3600)
const [zwSyncing, setZwSyncing] = useState(false)
const [alignment, setAlignment] = useState(readAlignmentSettings)
+ const [autosave, setAutosave] = useState(readAutosaveSettings)
const hideIp = useCanvasStore((s) => s.hideIp)
const setHideIp = useCanvasStore((s) => s.setHideIp)
@@ -160,6 +167,7 @@ export function SettingsModal({ open, onClose }: SettingsModalProps) {
}, [open])
useEffect(() => subscribeAlignmentSettings(setAlignment), [])
+ useEffect(() => subscribeAutosaveSettings(setAutosave), [])
const updateAlignment = (patch: Partial) => {
const next = { ...alignment, ...patch }
@@ -167,6 +175,12 @@ export function SettingsModal({ open, onClose }: SettingsModalProps) {
writeAlignmentSettings(next)
}
+ const updateAutosave = (patch: Partial) => {
+ const next = { ...autosave, ...patch }
+ setAutosave(next)
+ writeAutosaveSettings(next)
+ }
+
const handleSyncNow = async () => {
setPmSyncing(true)
try {
@@ -353,6 +367,40 @@ export function SettingsModal({ open, onClose }: SettingsModalProps) {
Distance at which dragged nodes snap to neighbours. Hold Alt while dragging to disable.
+
+
+
+
+
+
+
+ of inactivity
+
+
+ Saves silently after this many seconds with no changes. Manual Ctrl+S still works.
+
+
diff --git a/frontend/src/hooks/__tests__/useAutosave.test.ts b/frontend/src/hooks/__tests__/useAutosave.test.ts
new file mode 100644
index 0000000..e114d14
--- /dev/null
+++ b/frontend/src/hooks/__tests__/useAutosave.test.ts
@@ -0,0 +1,97 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest'
+import { renderHook } from '@testing-library/react'
+import { useAutosave } from '../useAutosave'
+
+interface Args {
+ enabled?: boolean
+ delaySeconds?: number
+ hasUnsavedChanges?: boolean
+ designId?: string | null
+ changeSignals?: unknown[]
+ getLiveDesignId?: () => string | null
+ onSave?: (designId: string) => void
+}
+
+function args(over: Args = {}) {
+ const designId = 'designId' in over ? (over.designId ?? null) : 'design-a'
+ return {
+ enabled: over.enabled ?? true,
+ delaySeconds: over.delaySeconds ?? 5,
+ hasUnsavedChanges: over.hasUnsavedChanges ?? true,
+ designId,
+ changeSignals: over.changeSignals ?? [[], []],
+ getLiveDesignId: over.getLiveDesignId ?? (() => designId),
+ onSave: over.onSave ?? vi.fn(),
+ }
+}
+
+describe('useAutosave', () => {
+ beforeEach(() => vi.useFakeTimers())
+ afterEach(() => vi.useRealTimers())
+
+ it('saves after the inactivity delay when enabled with unsaved changes', () => {
+ const onSave = vi.fn()
+ renderHook(() => useAutosave(args({ onSave, delaySeconds: 5 })))
+ expect(onSave).not.toHaveBeenCalled()
+ vi.advanceTimersByTime(4999)
+ expect(onSave).not.toHaveBeenCalled()
+ vi.advanceTimersByTime(1)
+ expect(onSave).toHaveBeenCalledTimes(1)
+ expect(onSave).toHaveBeenCalledWith('design-a')
+ })
+
+ it('does nothing when disabled', () => {
+ const onSave = vi.fn()
+ renderHook(() => useAutosave(args({ onSave, enabled: false })))
+ vi.advanceTimersByTime(60_000)
+ expect(onSave).not.toHaveBeenCalled()
+ })
+
+ it('does nothing when there are no unsaved changes', () => {
+ const onSave = vi.fn()
+ renderHook(() => useAutosave(args({ onSave, hasUnsavedChanges: false })))
+ vi.advanceTimersByTime(60_000)
+ expect(onSave).not.toHaveBeenCalled()
+ })
+
+ it('does nothing when the canvas has no known provenance', () => {
+ const onSave = vi.fn()
+ renderHook(() => useAutosave(args({ onSave, designId: null })))
+ vi.advanceTimersByTime(60_000)
+ expect(onSave).not.toHaveBeenCalled()
+ })
+
+ it('debounces: a change before the delay resets the timer', () => {
+ const onSave = vi.fn()
+ const { rerender } = renderHook((p: Args) => useAutosave(args(p)), {
+ initialProps: { onSave, changeSignals: [1] },
+ })
+ vi.advanceTimersByTime(4000)
+ rerender({ onSave, changeSignals: [2] }) // edit resets debounce
+ vi.advanceTimersByTime(4000)
+ expect(onSave).not.toHaveBeenCalled()
+ vi.advanceTimersByTime(1000)
+ expect(onSave).toHaveBeenCalledTimes(1)
+ })
+
+ it('skips the save if a different canvas loaded while the timer was pending', () => {
+ const onSave = vi.fn()
+ // Pinned provenance at arm time = 'design-a', but a switch loaded 'design-b'
+ // before the timer fired — the on-screen canvas is no longer design-a's.
+ renderHook(() =>
+ useAutosave(args({ onSave, designId: 'design-a', getLiveDesignId: () => 'design-b' })),
+ )
+ vi.advanceTimersByTime(5000)
+ expect(onSave).not.toHaveBeenCalled()
+ })
+
+ it('saves under the pinned provenance id when it still matches at fire time', () => {
+ const onSave = vi.fn()
+ renderHook(() =>
+ useAutosave(args({ onSave, designId: 'design-a', getLiveDesignId: () => 'design-a' })),
+ )
+ vi.advanceTimersByTime(5000)
+ expect(onSave).toHaveBeenCalledTimes(1)
+ expect(onSave).toHaveBeenCalledWith('design-a')
+ })
+})
diff --git a/frontend/src/hooks/__tests__/useStatusPolling.test.ts b/frontend/src/hooks/__tests__/useStatusPolling.test.ts
index e8df523..1a89280 100644
--- a/frontend/src/hooks/__tests__/useStatusPolling.test.ts
+++ b/frontend/src/hooks/__tests__/useStatusPolling.test.ts
@@ -7,7 +7,7 @@ import { useAuthStore } from '@/stores/authStore'
vi.mock('@/stores/canvasStore')
vi.mock('@/stores/authStore')
-const mockUpdateNode = vi.fn()
+const mockSetNodeStatus = vi.fn()
const mockNotifyScanDeviceFound = vi.fn()
const mockSetServiceStatuses = vi.fn()
@@ -32,7 +32,7 @@ describe('useStatusPolling', () => {
vi.stubGlobal('WebSocket', MockWebSocket)
vi.mocked(useCanvasStore).mockReturnValue({
- updateNode: mockUpdateNode,
+ setNodeStatus: mockSetNodeStatus,
notifyScanDeviceFound: mockNotifyScanDeviceFound,
setServiceStatuses: mockSetServiceStatuses,
} as ReturnType)
@@ -50,7 +50,7 @@ describe('useStatusPolling', () => {
afterEach(() => {
vi.restoreAllMocks()
- mockUpdateNode.mockClear()
+ mockSetNodeStatus.mockClear()
mockNotifyScanDeviceFound.mockClear()
mockSetServiceStatuses.mockClear()
})
@@ -95,7 +95,7 @@ describe('useStatusPolling', () => {
expect(ws.send).toHaveBeenCalledWith(JSON.stringify({ token: 'test-token' }))
})
- it('calls updateNode with correct data on status message', () => {
+ it('calls setNodeStatus with correct data on status message', () => {
renderHook(() => useStatusPolling())
const ws = MockWebSocket.instances[0]
ws.onmessage?.({
@@ -106,7 +106,7 @@ describe('useStatusPolling', () => {
response_time_ms: 42,
}),
})
- expect(mockUpdateNode).toHaveBeenCalledWith('node-1', {
+ expect(mockSetNodeStatus).toHaveBeenCalledWith('node-1', {
status: 'online',
response_time_ms: 42,
last_seen: '2024-01-01T12:00:00Z',
@@ -123,7 +123,7 @@ describe('useStatusPolling', () => {
checked_at: '2024-01-01T12:00:00Z',
}),
})
- expect(mockUpdateNode).toHaveBeenCalledWith('node-1', {
+ expect(mockSetNodeStatus).toHaveBeenCalledWith('node-1', {
status: 'offline',
response_time_ms: undefined,
last_seen: undefined,
@@ -136,7 +136,7 @@ describe('useStatusPolling', () => {
ws.onmessage?.({
data: JSON.stringify({ node_id: 'node-1', status: 'online', response_time_ms: null }),
})
- expect(mockUpdateNode).toHaveBeenCalledWith(
+ expect(mockSetNodeStatus).toHaveBeenCalledWith(
'node-1',
expect.objectContaining({ response_time_ms: undefined }),
)
@@ -147,7 +147,7 @@ describe('useStatusPolling', () => {
const ws = MockWebSocket.instances[0]
ws.onmessage?.({ data: JSON.stringify({ type: 'scan_device_found' }) })
expect(mockNotifyScanDeviceFound).toHaveBeenCalledOnce()
- expect(mockUpdateNode).not.toHaveBeenCalled()
+ expect(mockSetNodeStatus).not.toHaveBeenCalled()
})
it('routes service_status messages to setServiceStatuses', () => {
@@ -158,21 +158,21 @@ describe('useStatusPolling', () => {
data: JSON.stringify({ type: 'service_status', node_id: 'node-9', services }),
})
expect(mockSetServiceStatuses).toHaveBeenCalledWith('node-9', services)
- expect(mockUpdateNode).not.toHaveBeenCalled()
+ expect(mockSetNodeStatus).not.toHaveBeenCalled()
})
it('ignores malformed JSON without throwing', () => {
renderHook(() => useStatusPolling())
const ws = MockWebSocket.instances[0]
expect(() => ws.onmessage?.({ data: 'not-valid-json{{' })).not.toThrow()
- expect(mockUpdateNode).not.toHaveBeenCalled()
+ expect(mockSetNodeStatus).not.toHaveBeenCalled()
})
it('ignores messages with no node_id or status', () => {
renderHook(() => useStatusPolling())
const ws = MockWebSocket.instances[0]
ws.onmessage?.({ data: JSON.stringify({ some: 'unknown-field' }) })
- expect(mockUpdateNode).not.toHaveBeenCalled()
+ expect(mockSetNodeStatus).not.toHaveBeenCalled()
})
it('closes WebSocket on unmount', () => {
diff --git a/frontend/src/hooks/useAutosave.ts b/frontend/src/hooks/useAutosave.ts
new file mode 100644
index 0000000..90b43c2
--- /dev/null
+++ b/frontend/src/hooks/useAutosave.ts
@@ -0,0 +1,72 @@
+import { useEffect, useRef } from 'react'
+
+interface UseAutosaveOptions {
+ /** Whether autosave is enabled (user opt-in). */
+ enabled: boolean
+ /** Inactivity delay in seconds before firing a save. */
+ delaySeconds: number
+ /** True when the canvas has edits not yet persisted. */
+ hasUnsavedChanges: boolean
+ /**
+ * The design the in-memory canvas actually belongs to — its *provenance*, set
+ * when a canvas is loaded, NOT the currently-selected design. These differ
+ * during a design switch: the selection flips synchronously while the new
+ * canvas loads asynchronously, so for a brief window the on-screen nodes still
+ * belong to the previous design. Gating on provenance (not selection) is what
+ * prevents saving one design's canvas under another design's id.
+ */
+ designId: string | null
+ /**
+ * Values that represent canvas edits (e.g. nodes, edges). Any change to one
+ * of these resets the debounce timer, so the save only fires after a quiet
+ * period. Its length MUST stay constant across renders (React requires a
+ * stable dependency-array size) — pass a fixed-shape array like [nodes, edges].
+ */
+ changeSignals: readonly unknown[]
+ /**
+ * Reads the *live* canvas provenance at fire time. If it no longer matches the
+ * id pinned when the timer was armed, a different canvas has since loaded, so
+ * the save is skipped rather than written under the wrong (now-stale) id.
+ */
+ getLiveDesignId: () => string | null
+ /** Persist the canvas under the given design id. */
+ onSave: (designId: string) => void
+}
+
+/**
+ * Debounced canvas autosave. Fires `onSave(designId)` after `delaySeconds` of
+ * inactivity when enabled and there are unsaved changes. Opt-in only — the
+ * caller decides whether `enabled` is set (see ADR: autosave defaults to off).
+ */
+export function useAutosave({
+ enabled,
+ delaySeconds,
+ hasUnsavedChanges,
+ designId,
+ changeSignals,
+ getLiveDesignId,
+ onSave,
+}: UseAutosaveOptions): void {
+ // Keep the latest callbacks in refs so the timer always calls the current
+ // versions without re-arming (which would reset the debounce) on every render.
+ const onSaveRef = useRef(onSave)
+ const getLiveDesignIdRef = useRef(getLiveDesignId)
+ useEffect(() => {
+ onSaveRef.current = onSave
+ getLiveDesignIdRef.current = getLiveDesignId
+ })
+
+ useEffect(() => {
+ if (!enabled || !hasUnsavedChanges || !designId) return
+ const pinnedDesignId = designId
+ const t = setTimeout(() => {
+ // Skip if a different canvas has loaded while the timer was pending.
+ if (getLiveDesignIdRef.current() !== pinnedDesignId) return
+ onSaveRef.current(pinnedDesignId)
+ }, delaySeconds * 1000)
+ return () => clearTimeout(t)
+ // changeSignals is spread so any canvas edit resets the debounce; its length
+ // must stay constant (documented on the option).
+ // eslint-disable-next-line react-hooks/exhaustive-deps
+ }, [enabled, delaySeconds, hasUnsavedChanges, designId, ...changeSignals])
+}
diff --git a/frontend/src/hooks/useStatusPolling.ts b/frontend/src/hooks/useStatusPolling.ts
index defd2bc..b21b340 100644
--- a/frontend/src/hooks/useStatusPolling.ts
+++ b/frontend/src/hooks/useStatusPolling.ts
@@ -24,7 +24,7 @@ const STANDALONE = import.meta.env.VITE_STANDALONE === 'true'
export function useStatusPolling() {
const wsRef = useRef(null)
- const { updateNode, notifyScanDeviceFound, setServiceStatuses } = useCanvasStore()
+ const { setNodeStatus, notifyScanDeviceFound, setServiceStatuses } = useCanvasStore()
const { isAuthenticated, token } = useAuthStore()
useEffect(() => {
@@ -50,7 +50,9 @@ export function useStatusPolling() {
} else if (msg.type === 'service_status' && msg.node_id && msg.services) {
setServiceStatuses(msg.node_id, msg.services)
} else if (msg.node_id && msg.status) {
- updateNode(msg.node_id, {
+ // Live status is monitoring data, not a user edit — must not dirty the
+ // canvas (otherwise autosave rewrites an untouched canvas every cycle).
+ setNodeStatus(msg.node_id, {
status: msg.status,
response_time_ms: msg.response_time_ms ?? undefined,
last_seen: msg.status === 'online' ? msg.checked_at : undefined,
@@ -69,5 +71,5 @@ export function useStatusPolling() {
ws.close()
wsRef.current = null
}
- }, [isAuthenticated, token, updateNode, notifyScanDeviceFound, setServiceStatuses])
+ }, [isAuthenticated, token, setNodeStatus, notifyScanDeviceFound, setServiceStatuses])
}
diff --git a/frontend/src/stores/__tests__/canvasStore/nodes.test.ts b/frontend/src/stores/__tests__/canvasStore/nodes.test.ts
index 50d99c7..e2239f6 100644
--- a/frontend/src/stores/__tests__/canvasStore/nodes.test.ts
+++ b/frontend/src/stores/__tests__/canvasStore/nodes.test.ts
@@ -9,6 +9,7 @@ function resetStore() {
nodes: [],
edges: [],
hasUnsavedChanges: false,
+ editSeq: 0,
selectedNodeId: null,
selectedNodeIds: [],
editingGroupRectId: null,
@@ -52,6 +53,79 @@ describe('canvasStore — nodes', () => {
expect(useCanvasStore.getState().hasUnsavedChanges).toBe(false)
})
+ it('setNodeStatus updates node status fields', () => {
+ useCanvasStore.getState().addNode(makeNode('n1'))
+ useCanvasStore.getState().setNodeStatus('n1', {
+ status: 'online',
+ response_time_ms: 42,
+ last_seen: '2024-01-01T12:00:00Z',
+ })
+ const node = useCanvasStore.getState().nodes.find((n) => n.id === 'n1')
+ expect(node?.data.status).toBe('online')
+ expect(node?.data.response_time_ms).toBe(42)
+ expect(node?.data.last_seen).toBe('2024-01-01T12:00:00Z')
+ })
+
+ it('setNodeStatus does NOT mark the canvas unsaved (live status is not a user edit)', () => {
+ useCanvasStore.getState().addNode(makeNode('n1'))
+ useCanvasStore.setState({ hasUnsavedChanges: false })
+ useCanvasStore.getState().setNodeStatus('n1', { status: 'offline' })
+ expect(useCanvasStore.getState().hasUnsavedChanges).toBe(false)
+ })
+
+ it('onNodesChange does NOT dirty the canvas on an initial dimensions measure', () => {
+ useCanvasStore.getState().addNode(makeNode({ id: 'n1' }))
+ useCanvasStore.setState({ hasUnsavedChanges: false })
+ useCanvasStore.getState().onNodesChange([
+ { id: 'n1', type: 'dimensions', dimensions: { width: 120, height: 40 } },
+ ])
+ expect(useCanvasStore.getState().hasUnsavedChanges).toBe(false)
+ })
+
+ it('onNodesChange DOES dirty the canvas on a user resize (resizing: true)', () => {
+ useCanvasStore.getState().addNode(makeNode({ id: 'n1' }))
+ useCanvasStore.setState({ hasUnsavedChanges: false })
+ useCanvasStore.getState().onNodesChange([
+ { id: 'n1', type: 'dimensions', dimensions: { width: 200, height: 80 }, resizing: true },
+ ])
+ expect(useCanvasStore.getState().hasUnsavedChanges).toBe(true)
+ })
+
+ it('onNodesChange does NOT dirty the canvas on a select-only change', () => {
+ useCanvasStore.getState().addNode(makeNode({ id: 'n1' }))
+ useCanvasStore.setState({ hasUnsavedChanges: false })
+ useCanvasStore.getState().onNodesChange([{ id: 'n1', type: 'select', selected: true }])
+ expect(useCanvasStore.getState().hasUnsavedChanges).toBe(false)
+ })
+
+ it('editSeq bumps on a real user edit but not on status/select/measure churn', () => {
+ const seq = () => useCanvasStore.getState().editSeq
+
+ // Real edit bumps.
+ const before = seq()
+ useCanvasStore.getState().addNode(makeNode('n1'))
+ expect(seq()).toBe(before + 1)
+
+ // Live status update: no bump (not a user edit).
+ const afterAdd = seq()
+ useCanvasStore.getState().setNodeStatus('n1', { status: 'online' })
+ expect(seq()).toBe(afterAdd)
+
+ // Select-only change: no bump.
+ useCanvasStore.getState().onNodesChange([{ id: 'n1', type: 'select', selected: true }])
+ expect(seq()).toBe(afterAdd)
+
+ // Initial dimensions measure: no bump.
+ useCanvasStore.getState().onNodesChange([
+ { id: 'n1', type: 'dimensions', dimensions: { width: 120, height: 40 } },
+ ])
+ expect(seq()).toBe(afterAdd)
+
+ // Another real edit bumps again.
+ useCanvasStore.getState().updateNode('n1', { label: 'renamed' })
+ expect(seq()).toBe(afterAdd + 1)
+ })
+
it('setEditingTextId sets and clears editing text id', () => {
const { setEditingTextId } = useCanvasStore.getState()
setEditingTextId('t1')
diff --git a/frontend/src/stores/canvasStore.ts b/frontend/src/stores/canvasStore.ts
index 419c3b1..519d54d 100644
--- a/frontend/src/stores/canvasStore.ts
+++ b/frontend/src/stores/canvasStore.ts
@@ -22,6 +22,22 @@ type Clipboard = { nodes: Node[]; edges: Edge[] }
/** Resolve a node's effective parent id from either the RF field or domain data. */
const parentIdOf = (n: Node): string | undefined => n.parentId ?? n.data.parent_id ?? undefined
+/**
+ * Whether a node change represents a real user edit that should dirty the canvas.
+ * Excludes:
+ * - 'select': selecting a node changes nothing persisted.
+ * - 'dimensions' without resizing: React Flow emits these when it first measures
+ * a node's size after mount/load. Counting them as edits marks a freshly
+ * loaded canvas dirty before the user touches anything (autosave would then
+ * save on every load). A user-driven resize sets `resizing === true` and still
+ * dirties.
+ */
+function isUserNodeEdit(c: NodeChange>): boolean {
+ if (c.type === 'select') return false
+ if (c.type === 'dimensions' && c.resizing !== true) return false
+ return true
+}
+
/**
* Keep manually-routed edge waypoints attached to their nodes on drag (#279).
*
@@ -93,6 +109,14 @@ interface CanvasState {
nodes: Node[]
edges: Edge[]
hasUnsavedChanges: boolean
+ /**
+ * Monotonic counter incremented on every real user edit (auto-bumped whenever
+ * an action sets hasUnsavedChanges to true). Consumers that need to react to
+ * *edits specifically* — e.g. the autosave debounce — key off this instead of
+ * the nodes/edges array identity, which also churns on live status updates and
+ * selection changes that must NOT reset the debounce.
+ */
+ editSeq: number
selectedNodeId: string | null
selectedNodeIds: string[]
scanEventTs: number
@@ -127,6 +151,14 @@ interface CanvasState {
setSelectedNode: (id: string | null) => void
addNode: (node: Node) => void
updateNode: (id: string, data: Partial) => void
+ /**
+ * Apply a live status update to a node WITHOUT marking the canvas unsaved.
+ * Status (online/offline, response time, last seen) is transient monitoring
+ * data pushed by the backend, not a user edit — dirtying the canvas here would
+ * make autosave rewrite an untouched canvas on every status cycle and could
+ * clobber edits made elsewhere. Mirrors setServiceStatuses' live-overlay rule.
+ */
+ setNodeStatus: (id: string, status: Pick) => void
deleteNode: (id: string) => void
updateEdge: (id: string, data: Partial) => void
reconnectEdge: (id: string, connection: Connection) => void
@@ -163,10 +195,33 @@ interface CanvasState {
applyAllCustomStyles: (def: CustomStyleDef) => void
}
-export const useCanvasStore = create((set) => ({
+export const useCanvasStore = create((rawSet) => {
+ // Wrap set so any update that flips hasUnsavedChanges to true also bumps
+ // editSeq. This centralises the "an edit happened" signal instead of touching
+ // every one of the ~two dozen mutating actions. Actions that update state
+ // without dirtying (setNodeStatus, markSaved, loadCanvas, selection) omit
+ // hasUnsavedChanges or set it false, so they never bump the counter.
+ const set: typeof rawSet = ((partial, replace) => {
+ rawSet((state) => {
+ const next = typeof partial === 'function'
+ ? (partial as (s: CanvasState) => Partial)(state)
+ : partial
+ if (
+ next &&
+ typeof next === 'object' &&
+ (next as Partial).hasUnsavedChanges === true &&
+ !('editSeq' in next)
+ ) {
+ return { ...next, editSeq: state.editSeq + 1 }
+ }
+ return next
+ }, replace as false | undefined)
+ }) as typeof rawSet
+ return {
nodes: [],
edges: [],
hasUnsavedChanges: false,
+ editSeq: 0,
selectedNodeId: null,
selectedNodeIds: [],
editingGroupRectId: null,
@@ -323,19 +378,26 @@ export const useCanvasStore = create((set) => ({
// they don't follow a moved node on their own. Translate them by the same
// delta the node moved so a clean routing stays clean after a drag (#279).
const edges = translateWaypointsForMovedNodes(changes, state.nodes, nodes, state.edges)
+ // Only set hasUnsavedChanges when a real edit occurred, so the set() wrapper
+ // bumps editSeq only then. Selection- or measure-only changes leave the flag
+ // untouched (carried over) and must not reset the autosave debounce.
+ const edited = changes.some(isUserNodeEdit)
return {
nodes,
edges,
selectedNodeIds,
- hasUnsavedChanges: state.hasUnsavedChanges || changes.some((c) => c.type !== 'select'),
+ ...(edited ? { hasUnsavedChanges: true } : {}),
}
}),
onEdgesChange: (changes) =>
- set((state) => ({
- edges: applyEdgeChanges(changes, state.edges),
- hasUnsavedChanges: state.hasUnsavedChanges || changes.some((c) => c.type !== 'select'),
- })),
+ set((state) => {
+ const edited = changes.some((c) => c.type !== 'select')
+ return {
+ edges: applyEdgeChanges(changes, state.edges),
+ ...(edited ? { hasUnsavedChanges: true } : {}),
+ }
+ }),
onConnect: (connection) =>
set((state) => {
@@ -468,6 +530,18 @@ export const useCanvasStore = create((set) => ({
return { nodes, edges, hasUnsavedChanges: true }
}),
+ setNodeStatus: (id, status) =>
+ set((state) => {
+ let changed = false
+ const nodes = state.nodes.map((n) => {
+ if (n.id !== id) return n
+ changed = true
+ return { ...n, data: { ...n.data, ...status } }
+ })
+ // No hasUnsavedChanges: live status is monitoring data, not a user edit.
+ return changed ? { nodes } : {}
+ }),
+
deleteNode: (id) =>
set((state) => {
const idsToRemove = new Set()
@@ -977,4 +1051,5 @@ export const useCanvasStore = create((set) => ({
})
return { nodes, edges, hasUnsavedChanges: true }
}),
-}))
+ }
+})
diff --git a/frontend/src/utils/__tests__/autosaveSettings.test.ts b/frontend/src/utils/__tests__/autosaveSettings.test.ts
new file mode 100644
index 0000000..be31087
--- /dev/null
+++ b/frontend/src/utils/__tests__/autosaveSettings.test.ts
@@ -0,0 +1,63 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest'
+import {
+ DEFAULT_AUTOSAVE_SETTINGS,
+ readAutosaveSettings,
+ writeAutosaveSettings,
+ subscribeAutosaveSettings,
+} from '../autosaveSettings'
+
+describe('autosaveSettings', () => {
+ beforeEach(() => {
+ localStorage.clear()
+ })
+
+ it('defaults to disabled with a 5s delay', () => {
+ expect(DEFAULT_AUTOSAVE_SETTINGS).toEqual({ enabled: false, delay: 5 })
+ })
+
+ it('returns defaults when nothing stored', () => {
+ expect(readAutosaveSettings()).toEqual(DEFAULT_AUTOSAVE_SETTINGS)
+ })
+
+ it('roundtrips through localStorage', () => {
+ writeAutosaveSettings({ enabled: true, delay: 30 })
+ expect(readAutosaveSettings()).toEqual({ enabled: true, delay: 30 })
+ })
+
+ it('falls back to defaults when stored value is corrupted', () => {
+ localStorage.setItem('homelable.autosave', '{not json')
+ expect(readAutosaveSettings()).toEqual(DEFAULT_AUTOSAVE_SETTINGS)
+ })
+
+ it('fills missing fields from defaults', () => {
+ localStorage.setItem('homelable.autosave', JSON.stringify({ enabled: true }))
+ expect(readAutosaveSettings()).toEqual({ enabled: true, delay: DEFAULT_AUTOSAVE_SETTINGS.delay })
+ })
+
+ it('rejects a non-positive delay and falls back to default', () => {
+ localStorage.setItem('homelable.autosave', JSON.stringify({ enabled: true, delay: 0 }))
+ expect(readAutosaveSettings().delay).toBe(DEFAULT_AUTOSAVE_SETTINGS.delay)
+ localStorage.setItem('homelable.autosave', JSON.stringify({ enabled: true, delay: -10 }))
+ expect(readAutosaveSettings().delay).toBe(DEFAULT_AUTOSAVE_SETTINGS.delay)
+ })
+
+ it('rejects a non-numeric delay and falls back to default', () => {
+ localStorage.setItem('homelable.autosave', JSON.stringify({ enabled: true, delay: 'soon' }))
+ expect(readAutosaveSettings().delay).toBe(DEFAULT_AUTOSAVE_SETTINGS.delay)
+ })
+
+ it('rejects a non-boolean enabled and falls back to default', () => {
+ localStorage.setItem('homelable.autosave', JSON.stringify({ enabled: 'yes', delay: 10 }))
+ expect(readAutosaveSettings().enabled).toBe(DEFAULT_AUTOSAVE_SETTINGS.enabled)
+ })
+
+ it('notifies subscribers on write and stops after unsubscribe', () => {
+ const listener = vi.fn()
+ const unsubscribe = subscribeAutosaveSettings(listener)
+ writeAutosaveSettings({ enabled: true, delay: 10 })
+ expect(listener).toHaveBeenCalledWith({ enabled: true, delay: 10 })
+ unsubscribe()
+ writeAutosaveSettings({ enabled: false, delay: 3 })
+ expect(listener).toHaveBeenCalledTimes(1)
+ })
+})
diff --git a/frontend/src/utils/autosaveSettings.ts b/frontend/src/utils/autosaveSettings.ts
new file mode 100644
index 0000000..266e0b0
--- /dev/null
+++ b/frontend/src/utils/autosaveSettings.ts
@@ -0,0 +1,43 @@
+// Persisted client-side autosave preference.
+// Kept in localStorage (per-user UI preference, not canvas data).
+// Same-tab updates propagate via a CustomEvent so App.tsx and SettingsModal
+// can stay in sync without a global store.
+
+export interface AutosaveSettings {
+ enabled: boolean
+ delay: number // seconds of inactivity before auto-saving
+}
+
+export const DEFAULT_AUTOSAVE_SETTINGS: AutosaveSettings = { enabled: false, delay: 5 }
+
+const KEY = 'homelable.autosave'
+const EVENT = 'homelable:autosave-settings-changed'
+
+export function readAutosaveSettings(): AutosaveSettings {
+ try {
+ const raw = localStorage.getItem(KEY)
+ if (!raw) return DEFAULT_AUTOSAVE_SETTINGS
+ const parsed = JSON.parse(raw) as Partial
+ return {
+ enabled: typeof parsed.enabled === 'boolean' ? parsed.enabled : DEFAULT_AUTOSAVE_SETTINGS.enabled,
+ delay: typeof parsed.delay === 'number' && parsed.delay > 0 ? parsed.delay : DEFAULT_AUTOSAVE_SETTINGS.delay,
+ }
+ } catch {
+ return DEFAULT_AUTOSAVE_SETTINGS
+ }
+}
+
+export function writeAutosaveSettings(s: AutosaveSettings): void {
+ try {
+ localStorage.setItem(KEY, JSON.stringify(s))
+ window.dispatchEvent(new CustomEvent(EVENT, { detail: s }))
+ } catch {
+ /* quota / SSR */
+ }
+}
+
+export function subscribeAutosaveSettings(listener: (s: AutosaveSettings) => void): () => void {
+ const handler = (e: Event) => listener((e as CustomEvent).detail)
+ window.addEventListener(EVENT, handler)
+ return () => window.removeEventListener(EVENT, handler)
+}