Fix study system: per-hour mana cost instead of upfront, fix game time freeze bug, improve mobile UI

AGENTS.md

@@ -4,6 +4,28 @@ This document provides a comprehensive overview of the project architecture for
 
 ---
 
+## 🔑 Git Credentials (SAVE THESE)
+
+**Repository:** `git@gitea.tailf367e3.ts.net:Anexim/Mana-Loop.git`
+
+**HTTPS URL with credentials:**
+```
+https://zhipu:5LlnutmdsC2WirDwWgnZuRH7@gitea.tailf367e3.ts.net/Anexim/Mana-Loop.git
+```
+
+**Credentials:**
+- **User:** zhipu
+- **Email:** zhipu@local.local
+- **Password:** 5LlnutmdsC2WirDwWgnZuRH7
+
+**To configure git:**
+```bash
+git config --global user.name "zhipu"
+git config --global user.email "zhipu@local.local"
+```
+
+---
+
 ## ⚠️ MANDATORY GIT WORKFLOW - MUST BE FOLLOWED
 
 **Before starting ANY work, you MUST:**