) (#101) ## Summary Fixes both #69 (broken Sankey at 100+ artifacts) and #39 (broken Tree at 100+ artifacts) with a single bundled change in `widgets/dependency-graph/`. ## What changed **SankeyView** - Bar height = `max(in_value, out_value) × LINK_HEIGHT (12px)` so every bar's vertical extent is exactly its flow weight — matches the classic d3-sankey reference visual. - Orphan bars (no edges) keep 1-link height and stack below connected nodes with an `ORPHAN_GROUP_GAP` so flow vs disconnected stays visually distinct. - Adaptive `VIEW_H` grows with the densest column; sparse workspaces stay at the 760-px floor (no regression). - Label-collision drop hides labels whose centres are within `LABEL_LINE_HEIGHT_PX` (22) of the previous visible label in the same column; hover/select reveals. - Labels are hover targets too (`pointer-events: auto`) — not only the bar. - `fitToView` is width-driven for dense layouts so bars keep their chrome; vertical overflow is reachable via pan. **TreeView** - Layer assignment now driven by kind tier (`compactTierMap`) instead of topological `dfs(incoming)`. Each kind gets its own row in compact-tier order. - Intra-row wrap when natural row width > 1.5× viewport; sub-rows of equal cardinality preserve edge geometry. **Forgeplan** - PRD-020 (product), RFC-017 (architecture, Option A), SPEC-001/002 (per-view), EVID-025 (CL3 test evidence at 123 artifacts) — all activated. - `R_eff > 0` for PRD-020. **Bundled out-of-scope** - User's manual style touch-up to `HealthBar.svelte` + `Filters.svelte` (per their request to include in this PR). ## Test plan - [x] `cd template && npm run check` — 1041 files, 0 errors, 0 warnings - [x] `cd template && npm run test` — 15 files passed, 146 tests (incl. 9 new in `sankey-layout.test.ts` and 9 new in `tree-layout.test.ts`) - [x] Manual verification at `npm run dev:playground` (123 artifacts): - Sankey: bars proportional to flow, labels readable, orphans grouped below - Tree: each kind on its own row, dense kinds wrap, no 1-stripe collapse - [x] Backwards-compat at the live `.forgeplan/` workspace (62 artifacts) — visual identical to develop branch 🤖 Generated with [Claude Code](https://claude.com/claude-code)

Fix sankey view #69

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