New claims get camp names from their seed, renameable from the Claims tab; add t30 (t3)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tasks/t30_progress_meters_while.md

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+---
+id: t30
+title: Progress meters while generating, loading and saving
+status: Todo
+created: 2026-10-24
+updated: 2026-10-24T22:36:27Z
+---
+
+## Context
+
+- Making a world, opening a new claim, travelling between claims and loading a save can take several seconds on big worlds (a Huge world takes about 6 s to generate), and the screen gives little sign of what is happening. Show a progress bar with a short message for each step. Saving is quick today, but a small indicator would help there too, especially for Huge worlds.
+
+## Subtasks
+
+- [ ] Generating a world shows a progress bar that moves and names the step (terrain, ores, caves, water, trees…)
+- [ ] Loading a save, opening a new claim and travelling show progress (reading, unpacking, building the world)
+- [ ] Saving shows a small, unobtrusive indicator while it runs