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Diffstat (limited to 'backend-handoff.md')
| -rw-r--r-- | backend-handoff.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/backend-handoff.md b/backend-handoff.md index f50de69..07240ab 100644 --- a/backend-handoff.md +++ b/backend-handoff.md @@ -268,3 +268,25 @@ changes, NO contract changes — the wire types and every endpoint consumed are it is still the concurrency-priority flag on `Workspace.starred`. - The create flow now calls `ensure(id)` directly (today's navigation-implicit ensure) — same endpoint, no new surface. + +### Follow-up: three drag-interaction bugfixes (2026-09-07, same branch, FE-only) +- **Stuck-tile drop** (`displacePlace` in `logic/tile-layout.ts`): the displacement preview + returned placements SORTED BY STREAM ORDER, so as the dragged tile crossed stream positions the + keyed `{#each}` moved its DOM node and the browser silently dropped its pointer capture — the + subsequent `pointerup` never landed and the follow transform never cleared (phase stuck + `"dragging"`). `displacePlace` now returns the INPUT render order (coordinates change only); + `placeAtCell` re-sorts to stream order itself so the commit's order-renumbering semantics are + unchanged. +- **Follow-transform grab offset** (`ui/HomeTileGrid.svelte`): the drag follow was a raw + pointer-displacement translate, so a grab away from the tile's top-left corner made the tile + jump (its origin rode the pointer instead of the grabbed point). `pointerdown` now records the + grab offset (pointer − tile rect) and the transform cancels the tile's true grid anchor, so the + GRAB POINT tracks the pointer. +- **Empty-cell hover** (`ui/HomeTileGrid.svelte`): pointer handling moved from the per-tile + elements to the GRID CONTAINER, which `setPointerCapture`s the pointer and never gets + re-parented/`pointer-events: none`/unmounted — so move/up stream to it over empty cells and off + the canvas, and capture can never be lost to a DOM move again. +- Verification: `typecheck` 0 errors/0 warnings, vitest 1689/1689 (incl. updated + `tile-layout.test.ts` order assertions — coordinates unchanged), biome clean on touched files, + `build` succeeds. Browser-only (pointer capture) — needs a human at the page to confirm the + three fixes live (see commit message checklist). |