The shared optimistic-concurrency parser (ConcurrencyHeaders.ParseIfMatch) classified any non-canonical/weak/list If-Match value as Malformed → 400. Per RFC 7232 §3.1 a syntactically -valid entity-tag that simply doesn't strong-match must be 412; 400 is only for a genuine grammar violation. - Rewrite ParseIfMatch as a real RFC 7232 entity-tag/list parser: walks the comma-separated 1#entity-tag list, validates each [W/]DQUOTE *etagc DQUOTE member, and collects the strong members whose opaque text is our canonical decimal. Weak / empty / non-canonical / out-of-range tags are valid but contribute no version (→ empty set → 412); genuine grammar violations (unquoted, SP-in-tag, unterminated, garbage) → 400. - Reshape IfMatchCondition.ExpectedVersion : Option<int> → ExpectedVersions : Option<Seq<int>> and VersionedAggregateExtensions.CheckVersion → set membership (any strong match proceeds; empty set always 412). Threads through 10 replace/update commands + handlers + request mappers + 9 controllers. - No wire-contract change (400 + 412 already declared on every PUT; the field is header-derived and internal — no DTO/route/response-type/OpenAPI change). - Tests: ConcurrencyHeadersTests rewritten for the new classification (lists, weak, empty, non-canonical → Version/empty-set; grammar violations → Malformed) + new VersionedAggregateExtensionsTests for CheckVersion membership/empty-set/force-write. - Docs: api-conventions.md §7a rewritten; decisions.md entry appended. Refs #253 #197 fixes #265 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
docs/ — reading order
Purpose: index of docs/ so a fresh contributor/agent knows what to read and in what order.
Update this doc in the same PR that adds, removes, or retitles a doc below.
Read in this order at session start:
CLAUDE.md(repo root) — project intro: architecture, layout, dev commands, conventions.docs/contributing.md— established code patterns (CQRS/MediatR, LanguageExt, the ChicoryTV SPA, EF Core dual-provider migrations, FFmpeg pipeline, analyzers, testing). Read before any non-trivial change.docs/domain-model.md— what the app IS: entity glossary, channel→playout→schedule/block concept map, where each concept is edited in the SPA.docs/api-conventions.md— checklist for adding/changing a/api/*endpoint (controllers, DTOs, error mapping, auth, OpenAPI regen, tests).docs/spa-conventions.md— playbook for adding a screen to the ChicoryTV React SPA.docs/e2e-local.md(+scripts/e2e-local.sh) — how to run a live local instance for manual or Playwright-MCP verification.docs/testing.md— testing map: what each*.Testsproject /websuite covers, golden-file nets, the timezone-independence rule, how to run subsets, the per-PR verification gate.docs/blazor-route-parity.md— historical record of the completed #91 phase (b) cutover: the Blazor Server UI is removed and every legacy route now 302-redirects to its SPA equivalent (or falls through to the catch-all →/app). Read it for the full legacy→SPA route inventory.docs/decisions.md— append-only "why" log. Check here before challenging an existing convention.docs/ci-cd.md— build/test/release pipeline, versioning, dependency management.
Also present in docs/:
docs/rest-api.md— REST API design doc for ersatztv#2 (goals, conventions, per-slice plan). Largely superseded day-to-day bydocs/api-conventions.md; read this for the original rationale.docs/channels.md— Channel entity field reference.docs/m3u-xmltv.md— M3U/XMLTV generation overview (ChannelPlaylist,GetChannelGuideHandler).docs/fork-strategy.md— divergence policy vs upstream ErsatzTV.docs/design-sync.md— Claude Design ↔ repo screen workflow (#92).docs/endpoint-index.md— generated REST endpoint index (method/path/operationId/summary per OpenAPI tag). Do not edit by hand; regenerated byscripts/generate-endpoint-index.py/scripts/update-openapi.sh.docs/handoffs/chicorytv-issue-queue.md— static session kickoff prompt + workflow lore. Queue state (goal, arc, what's in flight/next) lives in the pinned Gitea tracker ersatztv#237 — read that, not this file, for current state (protocol: decisions.md 2026-07-11).docs/handoffs/rest-api.md— original handoff prompt for kicking off the REST API work (#2).