indifferentketchup 952b22ac12 audit week 3 [DEP-001]: upgrade mongoose 6.12 → 8.23 ...

Mongoose 6 entered maintenance/EOL in 2023; current major is 8.x. No source
changes required — every API the codebase uses is identical between v6 and
v8:

- models.js schema DSL (Schema, default: Date.now function refs, enum,
  unique, required, index) is unchanged.
- db-connection.js connect options (serverSelectionTimeoutMS,
  socketTimeoutMS) and connection event names (error/disconnected/
  reconnected) are unchanged.
- All queries already use the v7+-required APIs: countDocuments (not the
  removed count()), updateOne/findOneAndUpdate (not the removed update()),
  bulkWrite, .lean() — no callback-based queries, no Model.remove(),
  no findOneAndRemove.
- findOneAndUpdate sites all explicitly pass { new: true } so the v7
  default-flip from old-doc to new-doc doesn't change behavior.
- strictQuery default flipped to false in v7+; codebase only filters on
  schema-defined fields, so the change is a no-op.

Verification on this commit:
- node -e "require('./db-connection')" loads cleanly; modelNames() returns
  the expected six models.
- Every source file under handlers/, services/, routes/, gmail-poll.js,
  broccolini-discord.js requires cleanly.
- new Ticket(...).validateSync() accepts valid docs, rejects invalid enum
  values, and Date defaults still fire.
- vitest run still passes (87/87) — pure-function suite is unaffected by
  the upgrade but confirms no regression in the dependency-shared modules.

Production verification (live DB CRUD: create/find/updateOne/deleteOne/
bulkWrite) still owed via docker compose up --build -d on the homelab.

2026-05-08 20:40:28 +00:00

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