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dcdfff938d
Closes the editing-affordance gap from PR 2a. The canvas is now in
full parity with the list view for everything that fits in a node
graph: connections, deletes, and adding nodes all work on-canvas.
Adds:
- Per-slot Handle components on the custom node renderer. Single-
outgoing types get one handle on the right edge; condition gets
`true` / `false` handles; send_buttons and send_list render slot
rows inside the card with one handle each, so the user can SEE
which button or list row they're wiring. Every non-start node
gets a target handle on the left.
- Drag-to-connect (`onConnect`). Looks up the source node, dispatches
the right config patch via the new `applyEdgeConnection(node,
sourceHandle, target)` helper, and routes through updateNodeConfig.
Rejects self-loops silently (a button whose target is its own node
= infinite reprompt).
- Keyboard delete on nodes (Backspace + Delete, both for cross-OS
parity). Routes through removeNode, which now ALSO unlinks every
inbound reference via the new `unlinkNodeReferences(nodes, key)`
helper. No more dangling arrows after a delete — the validator
previously flagged these as errors and the user had to chase them
down manually.
- Edge delete. Selecting an edge + Delete clears just that slot's
next_node_key (rather than removing anything), via the same
applyEdgeConnection helper passing "" as the target.
- Floating "+ Add node" button (React-Flow Panel, bottom-right).
Same dropdown as the list view; drops the new node at the visible
viewport center via reactFlow.screenToFlowPosition.
New pure helpers in src/lib/flows/edges.ts (no React, fully unit-
tested — 18 new tests, 319 total passing):
- outgoingSlots(node) — list of {id, label} per outgoing slot.
- applyEdgeConnection(node, sourceHandle, targetKey) — config patch
for a drag-to-connect, or null for unrecognised handles.
- unlinkNodeReferences(nodes, deletedKey) — clears every direct +
nested reference to deletedKey. Returns nodes-by-identity when
no reference matches to avoid needless re-renders.
The hook's removeNode is the only consumer of unlinkNodeReferences
right now, which means LIST-view deletes also stop leaving dangling
refs — strict improvement for both views.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| forms | ||
| flow-builder.tsx | ||
| flow-canvas.tsx | ||
| flow-editor-shell.tsx | ||
| flow-editor-state.test.ts | ||
| flow-editor-state.tsx | ||
| shared.tsx | ||