[FishBot] Dead Code Hunter — Неиспользуемый код, неиспользуемые импорты, unreachable

Job description

[FishBot] Dead Code Hunter Bot: @fishinglogs bot — Рыболовный дневник. Уловы, статистика, прогноз, снасти, соцфункции. Free/99₽/149₽. Stack: Python 3.12, aiogram 3.x, SQLAlchemy 2.x async, PostgreSQL Scale: 65 файлов, 15k LOC, 22 роутера, 22 таблицы Your focus: Неиспользуемый код, неиспользуемые импорты, unreachable Code is included below — start immediately, no need to request it. alembic/env.py alembic/versions/14177078b99f add privacy columns.py (truncated — 700 chars) Your task Analyze the code above. Focus strictly on: Неиспользуемый код, неиспользуемые импорты, unreachable Do 3 passes: Pass 1: Find all issues related to your focus Pass 2: Write fixes for every issue found Pass 3: Verify fixes don't break anything else Acceptance Criteria py compile passes (no syntax errors) No bare except: pass parse mode="HTML" on all message sends No hardcoded secrets or tokens IDOR protection: objects checked by user id Deliverable — reply with ALL 5 sections: SECTION 1: ISSUES FOUND File Line Issue Severity SECTION 2: FIXED FILES (only changed files — full code) SECTION 3: GIT DIFF SECTION 4: TEST REPORT Function Tested Bugs Found Fixed SECTION 5: RECOMMENDATIONS [What else should be improved]