Initial: pi-skill — 68 skills, 43 extensions, 11 themes for Pi

skills/references/type-swimlane.md

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+# Swimlane
+
+**Best for:** cross-functional processes, RACI-style flows, vendor handoffs, multi-team shipping workflows.
+
+## Layout conventions
+- Horizontal lanes (or vertical columns) — one per actor/team. Label each lane in the left margin (or top) with a Geist Mono eyebrow.
+- Lane dividers: 1px hairlines.
+- Process steps are rectangles placed inside the lane of the actor performing them; arrows show flow.
+- Handoffs (arrows crossing lane boundaries) are the most important edges — consider coral on the handoff that introduces the most coupling or latency.
+- Don't force equal step count per lane; a lane with one step is fine.
+
+## Anti-patterns
+- Lanes without labels.
+- A step drawn across two lanes (pick one owner).
+- Arrows that snake back and forth — reorder steps so the flow is mostly straight.
+
+## Examples
+- `assets/example-swimlane.html` — minimal light
+- `assets/example-swimlane-dark.html` — minimal dark
+- `assets/example-swimlane-full.html` — full editorial