fix(pocket-base): clear fall distance after portal travel

design/log.md

@@ -143,3 +143,9 @@ description: Chronological record of material decisions affecting the Spigot Bas
 - Reused safe player destinations and server-spawn fallback behavior while excluding items, projectiles, vehicles, and other non-living entities.
 - Applied the existing two-second portal cooldown to mobs to prevent immediate repeated transport.
 - Verified the feature and Java 25 plugin artifact with `./gradlew clean check jar`.
+
+## 2026-08-28 — Safe Pocket Base fall returns
+
+- Cleared accumulated fall distance whenever portal or void-return travel teleports an entity, preventing carried-over fall damage at the destination.
+- Added regression coverage for players falling out of a Pocket Base and returning to the server spawn.
+- Verified the fix and plugin artifact with `./gradlew clean check jar`.

design/user-stories/us-016-build-and-use-pocket-base-portals.md

@@ -33,6 +33,7 @@ As a **Pocket Base owner**, I want to connect my normal base to my Pocket Base w
 - [x] Breaking the active return frame disables return travel through it.
 - [x] Return travel falls back to the server spawn when the owner has no valid normal-world entrance.
 - [x] Falling below Y -64 performs the same safe return without void damage.
+- [x] Portal and void-return travel clears accumulated fall distance so players do not take carried-over fall damage after landing at the destination.
 - [x] Players who disconnect inside a Pocket Base remain there when they reconnect.
 - [x] Moving the normal base deactivates its entrance while preserving the Pocket Base world and its contents.
 - [x] Portal ownership and the active entrance location persist through restarts.