sourceSize.contract.test.ts, its test kit and backend/tests/test_source_size.py
held 13 FE / 9 BE file ceilings and 64 FE / 32 BE function ceilings. No real
hit (E34 S2/S4): its history is its own birth (751e1ae5), two rounds of
fixes to its own logic (e432dc27, d1df76e8), the snapshot move (182ec311)
and ceiling edits inside feature fixes (5806adda, df4a79a1, and the S2/S3
cuts here). It caught no defect, went red 8 times on its own limits and drew
5 review findings about itself. The numbers stay visible: audit_metrics
reports file size and complexity, and an epic compares before and after.
docs/gates.md: the two size rows go; the C901 row says where it is read now.
Its pattern also matched "demote" and the Hungarian "Demokratikus", so
the footprint read 5 after the demo was gone (and 56, not 53, in the S1
baseline). It now uses the removedFeatures contract test's pattern.
E2EE direct messages, the chat dock, the Messages module, the message
WebSocket and its realtime registry, and the messages / message_keys
tables (migration 0097; the downgrade restores the empty schema). Prod
held two welcome notes, no message between people and one key — never
used (owner decision, E34). WebSocket now has no owner module: the lint
bans it everywhere. Privacy policy updated: it no longer promises E2EE
for a feature that is gone.