feat: 添加多个新项目及更新文档

- 新增 GPT_register+duckmail+CPA+autouploadsub2api (DuckMail + OAuth + Sub2Api 注册工具)
- 新增 team_all-in-one (ChatGPT Team 一键注册工具)
- 新增 Code-Patch 项目
- 新增 ABCard 子模块 (ChatGPT Business/Plus 自动开通)
- 新增 cloudflare_temp_email 子模块 (Cloudflare 临时邮箱服务)
- 添加 .gitignore 文件
- 更新 README.md (新增项目导航、子模块说明)
- 添加 CHANGELOG.md

Code-Patch/backend/database.py

@@ -0,0 +1,106 @@
+import os
+import sqlite3
+from contextlib import contextmanager
+
+# accounts.db 放在根目录（backend/ 的上一级）
+ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+DB_PATH = os.path.join(ROOT_DIR, "accounts.db")
+
+SCHEMA = """
+PRAGMA journal_mode=WAL;
+
+CREATE TABLE IF NOT EXISTS sessions (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    created_at  TEXT    NOT NULL,
+    proxies     TEXT    NOT NULL,
+    proxy_count INTEGER NOT NULL,
+    requested   INTEGER NOT NULL,
+    concurrency INTEGER NOT NULL DEFAULT 1,
+    success     INTEGER NOT NULL DEFAULT 0,
+    failed      INTEGER NOT NULL DEFAULT 0,
+    status      TEXT    NOT NULL DEFAULT 'running'
+);
+
+CREATE TABLE IF NOT EXISTS accounts (
+    id            INTEGER PRIMARY KEY AUTOINCREMENT,
+    session_id    INTEGER NOT NULL REFERENCES sessions(id),
+    created_at    TEXT    NOT NULL,
+    email         TEXT,
+    account_id    TEXT,
+    refresh_token TEXT,
+    id_token      TEXT,
+    access_token  TEXT,
+    expired       TEXT,
+    last_refresh  TEXT,
+    proxy_used    TEXT,
+    error         TEXT
+);
+
+CREATE INDEX IF NOT EXISTS idx_accounts_session ON accounts(session_id);
+
+CREATE TABLE IF NOT EXISTS schedules (
+    id            INTEGER PRIMARY KEY AUTOINCREMENT,
+    created_at    TEXT    NOT NULL,
+    name          TEXT    NOT NULL DEFAULT '',
+    task_type     TEXT    NOT NULL DEFAULT 'register',
+    proxies       TEXT    NOT NULL,
+    target        INTEGER NOT NULL DEFAULT 0,
+    concurrency   INTEGER NOT NULL DEFAULT 3,
+    check_filter  TEXT    NOT NULL DEFAULT 'all',
+    schedule_type TEXT    NOT NULL DEFAULT 'once',
+    run_time      TEXT    NOT NULL,
+    next_run      TEXT,
+    enabled       INTEGER NOT NULL DEFAULT 1,
+    last_run_at   TEXT,
+    last_session_id INTEGER
+);
+
+CREATE TABLE IF NOT EXISTS schedule_runs (
+    id            INTEGER PRIMARY KEY AUTOINCREMENT,
+    schedule_id   INTEGER NOT NULL REFERENCES schedules(id),
+    started_at    TEXT    NOT NULL,
+    finished_at   TEXT,
+    task_type     TEXT    NOT NULL,
+    status        TEXT    NOT NULL DEFAULT 'running',
+    detail        TEXT    NOT NULL DEFAULT ''
+);
+
+CREATE INDEX IF NOT EXISTS idx_schedule_runs_sid ON schedule_runs(schedule_id);
+"""
+
+
+def init_db():
+    with get_conn() as conn:
+        conn.executescript(SCHEMA)
+        # 迁移：为旧数据库添加新字段
+        for col in ["alive TEXT", "checked_at TEXT", "plan_type TEXT",
+                    "auto_refresh INTEGER DEFAULT 1", "last_auto_refresh TEXT",
+                    "exit_ip TEXT", "usage_json TEXT"]:
+            try:
+                conn.execute(f"ALTER TABLE accounts ADD COLUMN {col}")
+            except Exception:
+                pass  # 列已存在
+        # 确保所有账号都开启自动刷新
+        conn.execute("UPDATE accounts SET auto_refresh=1 WHERE auto_refresh=0 OR auto_refresh IS NULL")
+        # 迁移 schedules 新字段
+        for col in ["task_type TEXT DEFAULT 'register'", "check_filter TEXT DEFAULT 'all'",
+                    "check_limit INTEGER DEFAULT 0", "auto_clean INTEGER DEFAULT 0"]:
+            try:
+                conn.execute(f"ALTER TABLE schedules ADD COLUMN {col}")
+            except Exception:
+                pass
+
+
+@contextmanager
+def get_conn():
+    conn = sqlite3.connect(DB_PATH, check_same_thread=False)
+    conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA journal_mode=WAL")
+    try:
+        yield conn
+        conn.commit()
+    except Exception:
+        conn.rollback()
+        raise
+    finally:
+        conn.close()