live: heartbeat sync 2026-10-18T16:47:59-07:00 (Refs #11)

agent/memories/sharpshooter/wt-20261017-173247-7c8a99d-2wz628uesrtm1/product.md

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+## Window Behavior
+
+- **Mod+R rotation shows 1/5 multiples** — `mod+R` rotation cycles through 1/5 height multiples; 1/4 and 1/2 were tried but reverted. (recurrently regressed)
+
+- **Height/width fine-tuning increments 5%** — `mod+/-` and `mod+=` adjust dimensions in 5% increments; `mod+Shift` variants also use 5% increments.
+
+- **Horizontal navigation matches mod brackets** — `mod+Ctrl+left` and `mod+Ctrl+right` behave identically to `mod+[` and `mod+]` for horizontal navigation.
+
+- **Width presets include 1/3** — width presets include 1/3 alongside 1/5 multiples.