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On `/proxmox` with 140 workload rows, 859 window `resize` listeners were active after load (203 at phone width with 36 rows), so every window resize ran one callback per listener: - 699 from `useTooltipState.ts` (`useTooltipLayoutState`), which registered a listener for every tooltip instance, including the hidden `TooltipPortal` on each row's metric bars and sparklines. - 156 from `useBreakpoint.ts`, where every call added its own listener and width signal. ## Change - Tooltip layout state listens only while its tooltip is visible and re-reads the viewport when it opens. `useTooltipPortalState` uses the same visibility gate as the portal's render (`when && supportsHoverTooltips()`), so a portal suppressed on a touch device holds no listener either. - `useBreakpoint` keeps one module-level width signal and shared memos, fed by a single rAF-debounced listener while at least one caller is mounted. A new caller syncs to the live `innerWidth`, so a caller created after resizes nobody heard starts correct. ## Evidence Live pass on a private mock-mode stack (headless Chromium, add/removeEventListener wrapped to track live listeners by registering frame): | | before | after | |---|---|---| | 1440×900, 140 rows | 859 active, 859 callbacks per resize | 5 active, 5 callbacks | | 390×844, 36 rows | 203 active | 5 active | - An open row tooltip adds exactly one listener, stays open through window resizes (its viewBox follows 1440×700 and 1380×640), and its listener is removed on close. - Crossing the phone breakpoint in both directions still switches the workload table (`workload-table--desktop` ↔ `--mobile`) and each row's layout. - New tests: `useBreakpoint.test.ts` (one listener for 50 callers, back-to-back resizes leave one pending frame, every caller crosses a breakpoint, a new caller starts from the live width) and `TooltipPortal.test.tsx` (hidden and touch-suppressed portals add no listener, an open portal re-clamps on resize, a portal opened after an unheard resize uses the live viewport). The listener assertions fail against main. - 198 frontend test files / 3620 tests pass across `components/shared`, `components/Workloads`, the hooks, AppLayout, AIChat, Docker tables and the boundary tests; prettier, eslint and tsc are clean. Contract notes: `frontend-primitives.md` (tooltip owner) and `performance-and-scalability.md` (new current-state section). `useBreakpoint.ts` has no owning subsystem, so its rule lives in the performance contract.
Pulse documentation
Start here for installation, platform setup, security, operations, and Pulse Intelligence. Commands, configuration keys, image names, API fields, and product identifiers remain untranslated in localized guides.
Start here
- Install Pulse — signed Proxmox/Linux installation, Docker, Docker Compose, Kubernetes, and first-run setup.
- Production deployment and security — least-privilege Proxmox setup, root-agent boundaries, discovery, supply-chain verification, plan limits, scale evidence, and a rollout checklist.
- Upgrade from Pulse v5 — migration prerequisites, rollback, agent continuity, and post-upgrade checks.
- Releases and update channels: choosing Stable or Preview, beta and RC expectations, and how releases are tested and promoted.
- Configure Pulse — authentication, notifications, discovery, retention, and system settings.
- Deployment models — data locations, lifecycle, and differences between supported deployment paths.
- Troubleshooting and FAQ — common failures, diagnostics, and operator questions.
Localized getting started guides: Deutsch · Español
Platforms and agents
- Proxmox Backup Server
- Proxmox Mail Gateway
- Docker and Podman
- Kubernetes and Helm
- TrueNAS SCALE and CORE
- Unified Agent
- Agent security
- VM disk monitoring
- ZFS monitoring
- Temperature monitoring
VMware vSphere support is early access. Current builds expose dedicated vSphere inventory and recovery context, but operators should validate the integration against their own vCenter before production use.
Monitoring and operations
- Metrics history
- Recovery data
- Webhooks
- Automatic updates
- Centralized agent management (Pro)
- Operational trust model
- Current product screenshots
Pulse Intelligence
- Assistant, Patrol, and external-agent overview
- Patrol modes and safety
- Assistant safety model
- External agent HTTP and MCP substrate
Patrol watch-only analysis is available on Community with a local model or the operator's own provider. Investigation and governed fixes require the relevant Pulse Pro capabilities.
Security, privacy, and access
- Production deployment and security
- Security review scope
- Authentication and credential storage review packet
- Security guide
- Privacy and telemetry disclosure
- OIDC and SSO
- Proxy authentication
- Role-based access control (Pro)
- Audit logging (Pro)
- Reverse proxy configuration
- Code-signing policy
Plans and managed access
- Community, Relay, and Pro capabilities
- Relay and Pulse Mobile handoff
- Multi-tenant organizations (Enterprise/custom)
- Provider-hosted MSP operations (request-assisted)
Pulse Cloud is not generally available. Ordinary self-hosted Pulse remains the primary installation path; MSP and Enterprise access are explicit commercial paths rather than defaults in self-hosted setup.
Development and reference
Detailed design notes and dated migration specifications may remain in this directory for maintainers, but they are not operator setup guides unless they are linked from the sections above.
Previous versions and migrations
- Upgrade from v4 to v5
- Retired unified-navigation migration — historical context only; current Pulse uses platform-shaped navigation.
- Move a Pulse installation
Found a bug? Use the issue forms. For setup questions, use GitHub Discussions.