Fix all lint issues: Dockerfiles (DL3015/DL3013/DL4006) + Ruff (173→0 errors)

Dockerfile fixes:
- edu_master/phpsessid-bot: add --no-install-recommends, pin pip versions
- edu_master/webinar-checker: pin pip versions with --no-cache-dir
- userbot: add SHELL with pipefail for pipe operations

Ruff fixes (173 → 0):
- W293/W291/W292: whitespace clean via ruff format
- N806: camelCase → snake_case (anilist, safone, hearts, flux, etc.)
- ARG001/ARG002: prefix unused params with _
- SIM115: use context managers for file I/O
- SIM117: combine nested with statements
- S608: noqa on SQL f-strings (module name is validated)
- E402/N812/N817: import fixes
- B023: pass loop variable as argument
- I001: auto-sorted imports
- syntax: fixed = vs == in dtek_notif/main.py

userbot/modules/amongus.py

@@ -10,15 +10,16 @@ from PIL import Image, ImageDraw, ImageFont
 from pyrogram import Client, filters
 from pyrogram.types import Message
 from utils.misc import modules_help, prefix
-from utils.scripts import edit_or_reply
-from utils.scripts import reply_check as ReplyCheck
+from utils.scripts import edit_or_reply, reply_check
 
 
 async def amongus_gen(text: str, clr: int) -> str:
     url = 'https://github.com/TgCatUB/CatUserbot-Resources/raw/master/Resources/Amongus/'
     font = ImageFont.truetype(
         BytesIO(
-            requests.get('https://github.com/TgCatUB/CatUserbot-Resources/raw/master/Resources/fonts/bold.ttf', timeout=10).content
+            requests.get(
+                'https://github.com/TgCatUB/CatUserbot-Resources/raw/master/Resources/fonts/bold.ttf', timeout=10
+            ).content
         ),
         60,
     )
@@ -97,7 +98,7 @@ async def amongus_cmd(client: Client, message: Message):
     await client.send_sticker(
         message.chat.id,
         imposter_file,
-        reply_to_message_id=ReplyCheck(message),
+        reply_to_message_id=reply_check(message),
     )
 
 
@@ -119,7 +120,7 @@ async def imposter_cmd(client: Client, message: Message):
     await client.send_photo(
         message.chat.id,
         imposter_file,
-        reply_to_message_id=ReplyCheck(message),
+        reply_to_message_id=reply_check(message),
     )