Add prototype gameplay loop with character/battlefield assets and server game APIs.

Co-authored-by: Cursor <cursoragent@cursor.com>

Tools/seed_inventory_test.py

@@ -0,0 +1,31 @@
+"""Prepare only the isolated inventory UI account; never touch the real development DB."""
+import json
+from pathlib import Path
+import sqlite3
+import sys
+
+root = Path(__file__).resolve().parents[1]
+test_root = (root / 'Tools/output/g1-live').resolve()
+database = Path((test_root / 'db.path').read_text(encoding='utf-8-sig').strip()).resolve()
+username = (test_root / 'account.txt').read_text(encoding='utf-8-sig').strip()
+mode = sys.argv[1] if len(sys.argv) == 2 else ''
+if test_root not in database.parents or not username.startswith('g1live_inventory_') or mode not in ('coins', 'decor', 'poor', 'reset'):
+    raise RuntimeError('Refusing non-isolated inventory fixture')
+with sqlite3.connect(database) as conn:
+    row = conn.execute('SELECT u.pid,g.state FROM users u JOIN game_states g ON g.pid=u.pid WHERE u.username=?', (username,)).fetchone()
+    state = json.loads(row[1])
+    if state['schema'] not in (6, 7, 8) or state.get('pendingShot') or state.get('pendingBattle'):
+        raise RuntimeError('Finish isolated pending activities first')
+    if mode == 'coins':
+        state.update(coins=1000, cleared=True, clearedStages=[1, 1, 1, 0, 0])
+        state['shards'][0] = 40
+    elif mode == 'decor':
+        state.update(clearedStages=[1, 1, 1, 1, 1], decorations=[1, 0, 0], campLayout=[-1, -1, -1])
+    elif mode == 'poor':
+        state['coins'] = 99
+        state['shopBought'][1] = 0
+    else:
+        state['dailyDay'] -= 1
+    state['revision'] += 1
+    conn.execute('UPDATE game_states SET state=? WHERE pid=?', (json.dumps(state, ensure_ascii=False), row[0]))
+print('Prepared isolated inventory UI boundary:', mode)