- Recreated full game foundation from previous session
- Added Statistics tab with detailed game metrics:
* Total Stardust Earned
* Current Production Rate (✨/sec)
* Total Clicks
* Click Power
* Time Played (auto-formatted)
* Buildings Owned
* Upgrades Purchased
* Achievements Unlocked
* Game Progress bar
- Fixed global production bonus calculation in game.js
- Added responsive CSS for stats panel
Files added: js/stats.js, dev-journal.md, README.md, JOURNAL.md
