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Changelog

1.14.2

Features

Per-session graph isolation (multi-tenant handoff)

The ingest service now supports optional per-session graphs, so multiple apps or users behind a reverse proxy can each load their own graph instead of overwriting one shared global graph.

  • ?session=<id> query param accepted on POST /api/graph, GET /api/graph, and GET /api/events; each session has its own graph and its own set of live viewers
  • Omitting session uses a shared "default" session — the original single-graph behaviour, so existing callers and proxies need no changes
  • POST /api/graph response now includes the resolved session and the live subscribers count
  • The live viewer reads ?session=<id> from its own URL and subscribes to the matching stream (works at the service root and behind a reverse-proxy sub-path)
  • Session ids are bounded (^[A-Za-z0-9_-]{1,64}$, 400 otherwise) and the server holds at most 64 sessions with least-recently-used eviction; the live-viewer cap (100) spans all sessions
  • Handoff pattern documented in API.md §2.1 and SERVICE.md

1.14.1

Fixes

  • Authored payloads with empty/missing node positions are now force-laid-out instead of rendering collapsed at the origin
  • Live viewer connects to the events stream via a relative URL so it works behind a reverse-proxy sub-path

1.14.0

Features

HTTP Ingest Service (new)

Standalone HTTP service (npm run serve:api) that lets other applications push graphs and watch them render live in a browser. Independent of the Electron desktop app — the desktop build never starts a server.

  • POST /api/graph ingest endpoint protected by a bearer token; replaces the current graph and pushes it to connected viewers
  • Live viewer over Server-Sent Events (GET /api/events) — pushes render immediately and replace the current graph without a reload
  • GET /api/graph (latest graph, 204 until first ingest) and GET /health (liveness with version) endpoints
  • Environment-based configuration: GLL_API_TOKEN, GLL_API_PORT, GLL_API_HOST, GLL_MAX_BODY_BYTES, GLL_STATIC_DIR (see SERVICE.md and .env.example)
  • Payload reference for external apps and agents documented in API.md

Security

  • Cross-origin browser POSTs rejected (403 on any Origin header) as a CSRF defence
  • Incoming JSON sanitized against prototype pollution — __proto__, constructor, and prototype keys stripped at every level

Fixes

  • Fixed pushed graphs not rendering reliably in the live viewer

1.13.0

Features

Graph Assistant (new)

Local Ollama-powered chat panel with a live context snapshot of your graph, selection, and metric values.

  • Safe, structured query generation — produces guaranteed-valid GLL queries grounded in your real property hierarchy, so the assistant can't invent property names or emit broken syntax
  • Suggested Queries panel with Copy / Select / Open-in-editor; Select pans and zooms to matches
  • Live budget meter next to Send with per-section breakdown and a pre-send modal when you'd exceed the context window
  • First-run setup and settings modal with model picker, endpoint probing, and http(s)-only validation with local/private-IP detection
  • Reasoning-trace visualization for thinking models with a live token counter
  • Empty-state starter chips, resizable sidebar, and clickable in-reply action glyphs
  • GFM markdown rendering with DOMPurify sanitization and per-code-block copy buttons
  • Guided tour step covering query suggestions, setup, and the budget pill

Fixes

  • Fixed tooltip z-index rendering below overlay UI
  • Fixed guided-tour teardown where Popup.close() could tear down open panels mid-transition

UI

  • Replaced lasso SVG mask with curly-loop glyph

1.12.0

Features

  • Added toggle button for hover highlight effect with hotkey (H) and auto-clear of highlight/dim states on disable
  • Added fine-grained bubble-set label controls with tabbed UI
  • Show data source label in header and improve export filenames

Fixes

  • Fixed edges rendering on top of nodes after dragging a node and then hovering — reset zIndex elevated by G6's frontElement after drag ends
  • Fixed group-contiguous column order in Excel export
  • Fixed new columns being inserted at end instead of next to their group
  • Fixed apply button not enabling after row deletion in data editor

1.11.0

Features

  • Added full-page landing screen with hero layout, network background, and action cards
  • Added guided tour with sample dataset and step-by-step UI walkthrough, including highlight clipping, metrics step, and panel transitions
  • Redesigned popup with scrollable body, maximize/restore toggle, and smooth CSS transitions
  • Redesigned tooltip header with pill badge, clean title hierarchy, and fixed positioning
  • Added close button to tooltips and auto-hide expand when content fits
  • Made tooltips scrollable, draggable by header, and expandable with toggle button
  • Made sidebar resizable and improved filter row layout
  • Added panel headers with integrated action buttons and improved layout
  • Added in-app version display with automatic injection from package.json
  • Increased default bottom bar height and persist resized height across sessions
  • Added Delta4 icon to header and made header compact when data loaded
  • Added screenshot tool with portrait mode, scale 1x–10x, and browser size options
  • Hide file input after load and make header clickable to reload app

Fixes

  • Fixed filter sliders snapping to integers for properties with float values between integer min/max
  • Fixed tooltip jump and disappear when dragging
  • Fixed popup footer cutoff on short screens
  • Fixed tour overlay z-index above selected elements container
  • Fixed selection panel button alignment and use opaque background
  • Fixed cross-browser checkbox alignment in Safari and deduplicated CSS
  • Fixed fitView respecting hidden disconnected nodes with G6 translateTo bug workaround
  • Fixed query editor cursor jumping, bracket processing, caret flicker, and overlay alignment
  • Persisted hide-disconnected-nodes state per workspace across JSON save/load
  • Fixed selection visual feedback using setElementState with halo styles and preserved visibility during style updates
  • Fixed lasso wrapper staying visually active after data editor updates
  • Persisted node positions in Excel export from data editor
  • Persisted data editor warning dismissal via localStorage
  • Fixed inline Delta4 icon in standalone HTML bundle
  • Added right margin to filter lock status bar to avoid overlapping edit button

UI

  • Redesigned color scale and numeric scale picker popups to use the app's Popup system with consistent header, footer, buttons, and overlay styling
  • Reordered header buttons to place export functions at the end
  • Moved edit button to filter container and positioned it in top-right corner