The root cause of the Y-offset: ELK places main flow nodes at
arbitrary positions (e.g., y=679) within its root graph, and the
frontend rendered them at those raw positions. Handler sections were
already normalized via shiftNodes, but the main section was not.
Now useDiagramData.ts applies the same normalization to the main
section: computes bounding box, shifts nodes and edges so the section
starts at (0,0). This fixes the Y-offset regardless of what ELK
produces internally.
Removed the backend normalizePositions (was ineffective because handler
nodes at y=12 dominated the global minimum, preventing meaningful shift
of main flow nodes at y=679).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Define the execution overlay type system (NodeExecutionState, IterationInfo,
DetailTab) and extend ProcessDiagramProps with optional overlay props. Add
diagramLayout prop so ExecutionDiagram can pass a pre-fetched layout by content
hash, bypassing the internal route-based fetch in useDiagramData.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Update design spec with implementation notes covering recursive
compound nesting, edge z-ordering, ON_COMPLETION sections, drill-down
navigation, CSS transform zoom, and HTML overlay toolbar.
Increase SECTION_GAP to 80px for better visual separation between
completion and error handler sections.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add ON_COMPLETION to backend COMPOUND_TYPES and frontend rendering.
Completion handlers render as teal-tinted sections between the main
flow and error handlers, structurally parallel to onException.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Recursive compound rendering: CompoundNode checks if children are
themselves compound types (WHEN inside CHOICE) and renders them
recursively. Added EIP_WHEN, EIP_OTHERWISE, DO_CATCH, DO_FINALLY
to frontend COMPOUND_TYPES.
- Edge z-ordering: edges are distributed to their containing compound
and rendered after the background rect, so they're not hidden behind
compound containers.
- Error section sizing: normalize error handler node coordinates to
start at (0,0), compute red tint background height from actual
content with symmetric padding for vertical centering.
- Toolbar as HTML overlay: moved from SVG foreignObject to absolute-
positioned HTML div so it stays fixed size at any zoom level. Uses
design system tokens for consistent styling.
- Zoom: replaced viewBox approach with CSS transform on content group.
Default zoom is 100% anchored top-left. Fit-to-view still available
via button.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
New interactive route diagram component with SVG rendering using
server-computed ELK layout coordinates. TIBCO BW5-inspired top-bar
card node style with zoom/pan, hover toolbars, config badges, and
error handler sections below the main flow.
Backend: add direction query parameter (LR/TB) to diagram render
endpoints, defaulting to left-to-right layout.
Frontend: 14-file ProcessDiagram component in ui/src/components/
with DiagramNode, CompoundNode, DiagramEdge, ConfigBadge, NodeToolbar,
ErrorSection, ZoomControls, and supporting hooks. Dev test page at
/dev/diagram for validation.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
