chore: v0.3.0 — change summary, human-readable labels, clumping, clarity overhaul

Refreshed docs/screenshots for the release (adds changes.png diff recap +
missions.png clump; landing.png).

Author: fisherjoey

.claude/scheduled_tasks.lock

@@ -1,7 +1,7 @@
 {
   "name": "@tt-save/web",
   "private": true,
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "module",
   "scripts": {
     "dev": "vite",