Validated a clean install on MySQL 5.6 end to end and fixed the blockers.
- migrations/env.py: force alembic_version.version_num to VARCHAR(128) in its
own committed connection before running migrations. It was VARCHAR(32); the
revision id 7d02_widen_notification_employee_cols (37 chars) truncated, so the
next migration's version bump matched 0 rows and `flask db upgrade` died at
7d03 on a fresh DB. Now upgrades run clean to head.
- flask db-utils preflight: checks Python, required env, DB connectivity, and
the MySQL 5.6 utf8mb4 index flags (innodb_large_prefix/Barracuda) - the 767
prerequisite - and prints exact fixes. Exits non-zero on blockers.
- flask seed admin --username --email [--password]: real first-admin command
(generates + prints a password once). The docs referenced it but only the
dev-only test-user existed.
- setup endpoints for a UI-driven first run: /setup/needs-admin,
/setup/create-admin (guarded to zero-users), /setup/seed-reference.
- Wizard: drop the PC-access-domain question (always .device.geaerospace.net);
the setting keeps its default.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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