Files
AutopilotMonitor/src/Backend/AutopilotMonitor.Functions/Functions/Infrastructure
Oliver Kieselbach e816c92b88 Tenant configuration has one conditional write path; the full-model PUT is gone
A tenant configuration row is never written blind any more (D-290). Three writers saved
from the 5-minute instance cache and four wrote a fresh read without an ETag: auto-re-enable
could lift a suspension a Global Admin had just renewed, the PUT could write the cached
Disabled=false over the offboarding tombstone during the drain barrier, and a concurrent
first login could overwrite the write-once OnboardedBy.

- TenantConfigurationService.CreateOrUpdateAsync next to UpdateAsync (shared core): fresh
  read with ETag, tombstone refused, mutation decides, conditional replace, conditional
  insert for a missing row, re-read and re-decide on a lost race.
- SaveConfigurationAsync and IConfigRepository.SaveTenantConfigurationAsync deleted; new
  TryCreateTenantConfigurationAsync. The default row of GetConfigurationAsync is a
  conditional insert.
- Converted: first-login seed (writes only while the stored row has no domain; only the
  winning login fires the signup side effects), auto-re-enable (decided on the fresh row),
  auth client-id tracking, app-homing flip, conferred-Pro grace stamp, offboarding tombstone.
- PUT/POST config/{tenantId} removed (function, catalog entries, response DTO). The Global
  Admin tenant editor sends only its changed fields to the field PATCH; the Collect Logs
  quick-config PATCHes its two diagnostics fields with ?intent=collect-logs, which keeps
  the CollectLogsQuickConfigEnabled ops event. Shared diff helper lib/tenantConfigSave.ts.
- Tests: create-or-update and default-row races, concurrent first login, renewed
  suspension, tombstone paths; repository and service doubles in ConfigRepoMockExtensions.
  Regenerated shared manifest and wire types (web, MCP).

Deploy order: backend, then web right after (the old web's editor save and quick-config
use the removed PUT).

Bumps internal (D-290, plan, docs).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-09-27 20:11:56 +02:00
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