Generate natural English-style email local-parts with digit suffixes.

Replace random alnum usernames with first/last name patterns ending in 2-4 digits across all email providers.

grok_register_ttk.py

@@ -991,8 +991,7 @@ def yyds_get_message_detail(message_id, token=None, api_key=None, jwt=None):
 
 
 def yyds_generate_username(length=10):
-    chars = string.ascii_lowercase + string.digits
-    return "".join(secrets.choice(chars) for _ in range(length))
+    return generate_username(length)
 
 
 def yyds_pick_domain(api_key=None, jwt=None):
@@ -1085,9 +1084,98 @@ def yyds_get_oai_code(
     raise Exception(f"YYDS 在 {timeout}s 内未收到验证码邮件")
 
 
+# 常见英文名/姓/词根，拼出更像真人的邮箱 local-part
+_FIRST_NAMES = (
+    "james", "john", "robert", "michael", "david", "william", "richard", "joseph",
+    "thomas", "charles", "daniel", "matthew", "anthony", "mark", "steven", "paul",
+    "andrew", "joshua", "kevin", "brian", "george", "edward", "ronald", "timothy",
+    "jason", "jeffrey", "ryan", "jacob", "gary", "nicholas", "eric", "jonathan",
+    "stephen", "larry", "justin", "scott", "brandon", "benjamin", "samuel", "raymond",
+    "gregory", "frank", "alexander", "patrick", "jack", "dennis", "jerry", "tyler",
+    "aaron", "jose", "adam", "nathan", "henry", "douglas", "zachary", "peter",
+    "kyle", "noah", "ethan", "jeremy", "walter", "christian", "keith", "roger",
+    "mary", "patricia", "jennifer", "linda", "elizabeth", "barbara", "susan", "jessica",
+    "sarah", "karen", "lisa", "nancy", "betty", "margaret", "sandra", "ashley",
+    "kimberly", "emily", "donna", "michelle", "dorothy", "carol", "amanda", "melissa",
+    "deborah", "stephanie", "rebecca", "sharon", "laura", "cynthia", "kathleen", "amy",
+    "angela", "shirley", "anna", "brenda", "pamela", "emma", "nicole", "helen",
+    "samantha", "katherine", "christine", "debra", "rachel", "carolyn", "janet", "catherine",
+    "maria", "heather", "diane", "ruth", "julie", "olivia", "joyce", "virginia",
+    "victoria", "kelly", "lauren", "christina", "joan", "evelyn", "judith", "megan",
+    "cheryl", "andrea", "hannah", "jacqueline", "martha", "gloria", "teresa", "ann",
+    "sara", "madison", "frances", "kathryn", "janice", "jean", "abigail", "alice",
+    "judy", "sophia", "grace", "denise", "amber", "doris", "marilyn", "danielle",
+    "beverly", "isabella", "theresa", "diana", "natalie", "brittany", "charlotte", "marie",
+    "kayla", "alexis", "lori",
+)
+_LAST_NAMES = (
+    "smith", "johnson", "williams", "brown", "jones", "garcia", "miller", "davis",
+    "rodriguez", "martinez", "hernandez", "lopez", "gonzalez", "wilson", "anderson", "thomas",
+    "taylor", "moore", "jackson", "martin", "lee", "perez", "thompson", "white",
+    "harris", "sanchez", "clark", "ramirez", "lewis", "robinson", "walker", "young",
+    "allen", "king", "wright", "scott", "torres", "nguyen", "hill", "flores",
+    "green", "adams", "nelson", "baker", "hall", "rivera", "campbell", "mitchell",
+    "carter", "roberts", "gomez", "phillips", "evans", "turner", "diaz", "parker",
+    "cruz", "edwards", "collins", "reyes", "stewart", "morris", "morales", "murphy",
+    "cook", "rogers", "gutierrez", "ortiz", "morgan", "cooper", "peterson", "bailey",
+    "reed", "kelly", "howard", "ramos", "kim", "cox", "ward", "richardson",
+    "watson", "brooks", "chavez", "wood", "james", "bennett", "gray", "mendoza",
+    "ruiz", "hughes", "price", "alvarez", "castillo", "sanders", "patel", "myers",
+    "long", "ross", "foster", "jimenez",
+)
+_NAME_SEPARATORS = ("", ".", "_")
+
+
 def generate_username(length=10):
-    chars = string.ascii_lowercase + string.digits
-    return "".join(secrets.choice(chars) for _ in range(length))
+    """生成更像正常英文用户的邮箱名：姓名/词根 + 数字结尾。
+
+    length 仅作兼容参数（旧调用传 10），实际长度由名字与数字后缀决定，约 8–18。
+    """
+    first = secrets.choice(_FIRST_NAMES)
+    last = secrets.choice(_LAST_NAMES)
+    sep = secrets.choice(_NAME_SEPARATORS)
+    # 数字后缀：2–4 位更像真实用户（生日年份、学号尾号等）
+    digit_len = secrets.choice((2, 2, 3, 3, 3, 4))
+    if digit_len == 2:
+        digits = f"{secrets.randbelow(90) + 10}"  # 10-99
+    elif digit_len == 3:
+        digits = f"{secrets.randbelow(900) + 100}"  # 100-999
+    else:
+        # 常见 19xx / 20xx 年份感，或纯 4 位
+        if secrets.randbelow(100) < 45:
+            year = secrets.choice((19, 20))
+            yy = secrets.randbelow(26) if year == 20 else secrets.randbelow(90) + 10
+            digits = f"{year}{yy:02d}"
+        else:
+            digits = f"{secrets.randbelow(9000) + 1000}"
+
+    style = secrets.randbelow(100)
+    if style < 40:
+        # firstlast + digits  e.g. jameswilson87
+        base = f"{first}{last}"
+    elif style < 65:
+        # first.sep.last + digits  e.g. james.wilson87 / james_wilson42
+        base = f"{first}{sep}{last}" if sep else f"{first}{last}"
+    elif style < 80:
+        # first + digits  e.g. james87
+        base = first
+    elif style < 92:
+        # first 首字母 + last + digits  e.g. jwilson87
+        base = f"{first[0]}{last}"
+    else:
+        # last + first 首字母 + digits  e.g. wilsonj87
+        base = f"{last}{first[0]}"
+
+    local = f"{base}{digits}".lower()
+    # 邮箱 local 只保留 [a-z0-9._]，去掉连续分隔符
+    local = re.sub(r"[^a-z0-9._]", "", local)
+    local = re.sub(r"[._]{2,}", ".", local).strip("._")
+    if len(local) < 5:
+        local = f"{first}{digits}"
+    # 过长时截断名字部分，保留数字后缀
+    if len(local) > 24:
+        local = f"{local[:-digit_len][: 24 - digit_len]}{digits}"
+    return local or f"user{digits}"
 
 
 def pick_domain(api_key=None):