Commit Graph
74 Commits
Author SHA1 Message Date
timothyandClaude Opus 5 8d35a2792f fix(616): document paging as 0-based, expose channelId on playout detail
#616 filed three MCP/API paging traps. Two were real; one was not, and one was
already half-fixed on main. Verified each against the code before changing it.

REAL — pageNum documented as 1-based. `ToolCatalog.Page()` described pageNum as
"1-based page number" while every paged controller defaults it to 0, floors it
with `Math.Max(0, pageNum)`, and skips `PageNum * PageSize`. A caller that
trusted the description started at page 1 and silently lost the first page: no
error, just a short set that reads as data loss rather than an off-by-one (it
cost #487 a verification pass). Fixed in the description rather than by making
the MCP layer 1-based: /api/v1 is additive-only post-freeze, 0-based is
load-bearing in a dozen controllers and the SPA, and a 1-based wrapper over a
0-based API would make the same parameter name mean two different things on two
surfaces a reader reads together.

NOT REAL — "pageSize caps the page but the offset honors the requested value".
Not reproducible on any endpoint. Every controller clamps before passing, every
handler skips by the clamped size, and GetCollectionItemsHandler re-clamps
defensively. The reported observation (pageSize=500&pageNum=2 on a 204-item
collection returning 4 items) is exactly correct 0-based behaviour at the
clamped width of 100 — page 2 is items 201-204. The issue's own trap-1 table
states this. Pinned by test rather than "fixed".

ALREADY FIXED — playout LIST rows gained channelId in #297 (2026-07-22), three
days before #616 was filed; the report was measured against prod, which runs an
older :prod image. The DETAIL response (PlayoutResponseModel) genuinely still
lacked it, so channelId is added there (additive) and the reset_channel_playout
argument now names the trap: the id spaces overlap numerically, so passing a
playout id silently resets a different channel and returns a plausible 202.

Tests, both mutation-verified (each fails when its fix is reverted):
- ToolCatalogTests pins "0-based" on EVERY paged tool's pageNum description,
  with a non-empty guard so it can't pass vacuously over an empty tool set.
- GetCollectionItemsHandlerTests pins 0-based page boundaries and proves the
  offset derives from the clamped pageSize (page 1 at pageSize=500 returns
  items 101-150; the mutation that honors 500 returns an empty page).

Docs: new decision record api.paging-zero-based (catalog regenerated), the
api-conventions paging bullet, and a Paging section in docs/mcp.md. OpenAPI
v1.json + web/src/api/generated/v1.d.ts regenerated for the added field.

fixes #616

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-25 23:16:00 +02:00
timothyandtimothy 65c0e09179 feat(415): per-channel fault detection — server-derived health object + Problems filter (#581)
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Closes #415. Server-derived health object on the channel list + detail DTOs (built-timeline detection, kind-agnostic across all 5 PlayoutScheduleKind; assessable gate keyed to the owning channel's mode), single "Problems" SPA filter with per-fault badges. Supersedes #72's api.channel-health-signal decision.

Co-authored-by: Timothy <timothy.look@gmail.com>
Co-committed-by: Timothy <timothy.look@gmail.com>
2026-07-23 20:45:19 +00:00
timothyandClaude Opus 4.8 9cb51f6a73 docs(434): [decisions-edit] update field-values decision + api-conventions for DB sourcing
Edits the api.search-field-values decision record's rationale prose in
place (same key, same date, not a reversal) to describe the DB-sourced
per-field distinct-values design and the narrowed allow-list, replacing
the superseded Lucene-term-dictionary description. Updates the endpoint's
api-conventions.md entry the same way. Regenerated docs/decisions/README.md
via build_decisions_catalog.py; decisions_validate.py passes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-23 20:44:15 +02:00
timothyandClaude Opus 4.8 c2fb62dc88 docs(434,435,438): decisions records, spa-conventions §12, api-conventions
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-23 20:44:15 +02:00
timothy 7757814766 feat(74): channel graphicsElementIds + graphics builtIn; regen OpenAPI 2026-07-22 22:11:46 +02:00
timothy f1de436ca7 feat(60): expose channel preview capability on GET /api/v1/channels 2026-07-21 23:13:08 +02:00
timothyandClaude Opus 4.8 928784ba48 fix(135): from-lineup advanced overrides can express "clear to none"
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CreateChannelFromLineupHandler resolved every advanced override with
advanced.X ?? template.X, so null always meant INHERIT and a channel could
not drop a template-set watermark / filler / preferred language. Add an
optional typed `clear` enum list to CreateChannelFromLineupAdvancedOptions:
omitted/null still inherits (byte-stable for existing clients), a field named
in `clear` is forced to none. Set+clear of the same field is a 422.

The enum (CreateChannelFromLineupClearField) lives in ErsatzTV.Core so the
OpenAPI string-enum scan renders it as a string enum, matching every sibling
advanced-options enum. Handler resolves clearable fields once via
ResolveClearable and validates set/clear conflicts via ValidateClear;
reference validation skips existence checks for cleared (null) refs.

SPA: the shared advancedOptions model re-adds a real "None" option to the five
id selects (watermark + fillers) in both the Channel Builder and the Auto-Tune
DetailPanel, routed through a CLEAR overrides sentinel that applyOverridesToRequest
folds into advanced.clear (never leaking onto the wire as a field value). The
backend enum also covers the preferred audio/subtitle language strings for
machine clients; the SPA text inputs keep "empty = inherit" (tri-state deferred).

Docs: api-conventions.md §2, spa-conventions.md §11, decisions.md record
api.from-lineup-clear-to-none; v1.json + generated TS regenerated.

fixes #135

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-21 22:25:58 +02:00
timothy aa76994825 docs(525): correct logo-download rejection status to 422, not 400
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Live-E2E of the write path (scripts/e2e-local.sh) confirmed the feature end to
end — good URL -> cached /iptv/logos/<hash>, M3U emits the cached URL, cached logo
serves back as PNG, rejected save leaves the prior logo intact — and caught that a
bad/non-image/oversized logo rejects as 422 (BaseError -> ValidationProblemDetails
via ToErrorResult), not 400. 400 remains model-binding-only. Corrected channels.md,
api-conventions.md, and the graphics.channel-logo-caching decision Rule + catalog.
2026-07-21 13:19:07 +02:00
timothy 56a18cd5dc docs(525): record download-on-save decision; update channels + api-conventions
New lifecycle record graphics.channel-logo-caching (supersedes: none — narrows
for YAML image elements). Regenerated the active catalog. channels.md + api-
conventions.md updated for the new save-time download + 400s.
2026-07-21 13:18:48 +02:00
timothy bb7f57d04d docs(67): record the shared-preset decision, watermark seeding, and the additive DTO field 2026-07-20 20:48:14 +02:00
timothyandClaude Opus 4.8 be25df670e feat(431): TTL-cache health-check results; ?refresh=true forces a fresh run
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GET /api/v1/health re-ran all 14 health checks on every request, 4 of
which shell out to ffmpeg/ffprobe via CliWrap — so each poll spawned ~4
subprocesses. The existing HealthCheckSummary cache was write-only.

Cache the full result list for 30s inside HealthCheckService keyed on a
new "healthcheck.results" entry; a non-forced call returns it on a hit,
skipping the checks and the (subscriber-less) summary publish. Add a
`bool forceRefresh` first parameter to IHealthCheckService.PerformHealthChecks:
the API poll path reads the cache, while startup (RunHealthChecksService)
and the troubleshooting support bundle force a fresh run.

Refresh surface: GET /api/v1/health gains an optional `[FromQuery] bool
refresh` (additive, follows the ?deep= exemplar); the SPA "Refresh health"
button calls /api/v1/health?refresh=true, the initial/poll load does not.

Tests: HealthCheckService cache-hit vs force-bypass (mutually opposing,
non-vacuous), handler+controller refresh-flag threading, SPA refresh URL.
Docs: decisions.md 2026-07-19 (#431), api-conventions §2; regenerated v1.json.

fixes #431

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-19 14:41:12 +02:00
timothyandClaude Opus 4.8 1aa1f0cf5b fix(464): render real channel logos in guide grid + channels list
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The guide/EPG grid (/app/guide) and the channels list (/app/channels) always
drew the generated initials "bug" because the browse DTOs never carried a logo
URL — GuideScreen/ChannelsScreen rendered <ChannelLogo> with no src. The logo
data existed (it round-trips through the channel editor) but never reached these
views.

Add a rooted, directly-usable Logo URL to ChannelGuideChannelResponseModel and
ChannelResponseModel, populated by a single Channels.Mapper.GetLogoUrl helper
(#181 artwork convention): /iptv/logos/{file} for an uploaded logo, the absolute
URL passed through for an external one, null when unset so the SPA keeps its
generated-initials fallback. The guide query now includes Channel.Artwork.

Regenerated OpenAPI + v1.d.ts; updated api-conventions.md + domain-model.md.

fixes #464

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-19 13:28:00 +02:00
timothy 551366aa72 Merge pull request 'feat(293): paginate GET /api/v1/search/all-items to cap DoS exposure' (#442) from feat/293-search-allitems-cap into main
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2026-07-18 12:17:20 +00:00
timothyandClaude Opus 4.8 c57fbf9826 docs(293): note the pageNum upper clamp (MaxAllItemsPageNum) in the decision + api-conventions
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Fix delta re-review flagged the decision entry + §5 note still described the
pre-fix pageNum = Math.Max(0, pageNum); the shipped code clamps the upper bound
too (0..2_000_000) to stop pageNum*pageSize overflowing int to a 500.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 13:40:20 +02:00
timothyandClaude Opus 4.8 ac7965dee4 feat(293): paginate GET /api/v1/search/all-items to cap DoS exposure
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The all-items endpoint fired ten index searches with limit:0 (every hit), so a
broad authenticated query materialized the whole index into one response. Add
optional pageNum/pageSize (clamped 1..1000; pageNum 0..2_000_000 so skip can't
overflow int) and an additive per-kind Totals on the response; the SPA add-all
flow now pages to completeness instead of a single unbounded fetch.

- SearchController.SearchAllItems: clamp params (Logs §1 precedent), map Totals
- QuerySearchIndexAllItemsHandler: skip=pageNum*pageSize, limit=pageSize, read
  SearchResult.TotalCount per kind
- SearchResultAllItemsResponseModel: additive Totals (frozen-v1-safe)
- web/src/api/search.ts: getSearchAllItems paging params + getAllSearchItemIds
  (pages until each kind hits its total; empty-page safety break)
- tests: controller clamp/thread/totals, handler skip/limit/totals, SPA paging
- docs: decisions.md 2026-07-18 (#293), api-conventions.md §5; regenerated OpenAPI

Design: issue option (a) full pagination, operator-confirmed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 13:09:06 +02:00
timothyandClaude Opus 4.8 2281f2e764 fix(308): idempotent concurrent Add*ToCollection instead of a composite-PK 500
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Two concurrent adds of the same item both membership-check it absent, both
insert the CollectionItem composite key, and the loser's
SaveChangesForcingVersion threw an uncaught DbUpdateException (SQLite 19 /
MySQL 1062) -> 500. Now the loser is an idempotent no-op.

- ConcurrencyExtensions.TrySaveChangesForcingVersion: bool-returning sibling
  that catches only a classified unique/PK violation and returns false.
- 10 single-item Add*ToCollection handlers: return Unit.Default (no-op, skip
  fan-out) on false — the racing winner already inserted + rotated + rebuilt.
- Bulk AddItemsToCollection: retry on a fresh context against recomputed
  membership so a partial-overlap collision doesn't drop the non-colliding
  items (bounded loop; common no-collision path runs once).
- Provider detection via a TvContext.IsUniqueConstraintViolation static
  delegate (matches the existing IsSqlite/LastInsertedRowId provider seam),
  wired from Startup to SqliteErrorClassifier / MySqlErrorClassifier.
- Add*ToPlaylist is NOT affected (PlaylistItem has its own identity PK; a
  playlist may legitimately contain the same item more than once).

Tests: a negative-control anchor proves the race genuinely throws a classified
exception; end-to-end handler tests reproduce a real cross-connection race via
a shared-cache SQLite harness + a SavingChanges interceptor (the single-conn
in-memory fixture cannot). Every fix-dependent test verified to fail with the
catch disabled.

Docs: api-conventions.md §7a (idempotent insert under concurrency) +
decisions/optimistic-concurrency.md.

fixes #308

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 13:02:14 +02:00
timothyandClaude Opus 4.8 e364b338e6 feat(425): per-source rotation weights + query corrections for auto-tune channels
Auto-tune channels can now carry per-content-source rotation weights (weighted
round-robin, e.g. 3x Show A / 1x Show B) and query corrections (exclude /
add-untagged), supplied at bulk-create time via an optional
`sources: [{sourceId, weight, excluded}]` on each AutoTunedChannelRequest.

Design (Option A, reuse #70): when a source is customized the channel is backed
by a system-owned MultiCollection of per-source SmartCollections carrying the
weights, with PlaybackOrder.WeightedShuffle -- the exact path
WeightedShuffleCollectionEnumerator already consumes. All-default weights keep
the #69 single-SmartCollection fair-share shape.

- Discriminators: TV -> live show_title:"X" (episodes carry no parent-show id in
  the index); movies -> stable id:{mediaItemId}.
- Materialization is axis-dependent: TV materializes every base show individually
  (un-weighted shows keep per-show fair-share) + a live remainder at weight 1;
  MovieGenre materializes only touched movies + one count-weighted remainder.
- Remainder = (base) AND NOT (materialized union excluded) -- a partition.
- New nullable OwnedByChannelId on SmartCollection + MultiCollection
  (dual-provider migration); owned rows are hidden from the collection lists and
  cascade-cleaned on channel delete.

Tests: AutoTuneAxisMap query/partition units; DB-backed weighted-path handler
tests (TV materialize-all, movie count-remainder, exclusion, no-customization
fallback); delete-cleanup. Docs: decisions.md, domain-model.md, api-conventions.md;
OpenAPI trio regenerated.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 03:52:06 +02:00
timothy ae22107d98 feat(176): GET /api/v1/search/fields endpoint + regenerated api artifacts 2026-07-18 02:41:50 +02:00
timothyandClaude Opus 4.8 ed6c43065f feat(164): guided remediation for health checks (server-declared {Kind, Target})
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Make the ~14 health checks actionable: each check that has a fix now declares
where to go, and the SPA acts on it.

Backend:
- Widen domain HealthCheckLink (string Link) -> (string Target, HealthCheckLinkKind
  Kind) with ExternalDoc|AppRoute + factories; only the 4 link-building checks and
  the API mapper touched .Link.
- Evolve HealthCheckResponseModel additively (/api/v1 frozen-additive): keep
  deprecated string? Link (still populated), add Brief (the BriefMessage the mapper
  was silently dropping) and nested Remediation {Kind, Target}. Kind is a mapped
  string, not a wire enum.
- Make Mapper.GetStatus total: NotApplicable no longer throws (defensive; handler
  still filters it). InternalsVisibleTo(ErsatzTV.Tests) added to unit-test totality.
- Fix 2 stale Blazor route links (media/trash -> /app/trash, search?query ->
  /app/search); add AppRoute remediation to actionable checks that had none
  (libraries / schedules / ffmpeg-profiles / settings).

SPA:
- DashboardScreen health panel renders remediation: AppRoute -> client-side nav
  button, ExternalDoc -> new-tab anchor; detail text truncates with title-hover.
- Remove the dead "Open Classic UI" -> /system/health row from SettingsScreen
  (a #91b leftover that just 302'd to /app); update its regression test.

Docs: decisions.md (#164), api-conventions.md (deprecate-in-place DTO evolution),
blazor-route-parity.md (Section 4 correction); v1.json/v1.d.ts/endpoint-index
regenerated.

fixes #164

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-18 00:51:40 +02:00
timothyandClaude Opus 4.8 8f61ad6530 feat(385): per-channel overrides in auto-tune bulk-create
Auto-Tune DetailPanel backend (#385), additive half. The create request
`AutoTunedChannelRequest` gains three optional per-channel fields, all
backward-compatible (omit = PR1 behavior):

- `templateId` — overrides the batch template per channel
- `advanced` — reuses the manual Channel Builder's
  `CreateChannelFromLineupAdvancedOptionsRequest` verbatim (24-field override
  set, `advanced.X ?? template.X` stamp contract). Axis default fills
  `PlaybackOrder` only when the caller leaves it null.
- `logo` — uploaded channel image, `Sanitized()` at the request boundary
  (#283 stored-XSS defense), forwarded to `CreateChannelFromLineup.Logo`

Resolved per channel inside `CreateAutoTunedChannelsHandler.CreateOne`, so one
channel's bad override still yields a per-channel Failed/Skipped without
aborting the batch.

Per-source rotation weights + query corrections are split out to #425 (they
need a MultiCollection-of-per-source-SmartCollections redesign — #70's
WeightedShuffle reads weights only off MultiCollection join rows, and an
auto-tuned channel is one SmartCollection). Bug-initials/colour generated logo
also deferred (needs persisted Channel state + FFmpeg-pipeline wiring).

Tests: handler override-threading (per-channel wins, axis default preserved,
no-override baseline) + request `ToCommand()` logo sanitization. OpenAPI trio
regenerated. Docs: decisions.md, api-conventions.md, domain-model.md.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-17 23:33:10 +02:00
timothyandClaude Opus 4.8 0009607a09 feat(384): auto-tune DetailPanel content-source member read endpoint
GET /api/v1/channels/auto-tune/members lists the distinct content sources a
proposed auto-tune channel's server-generated SmartCollection resolves to —
parent shows for the TV axes (ItemCount = query-matching episodes), movies for
the movie-genre axis — reusing the existing PagedLibraryBrowseItemsResponseModel
(no new schema). The handler runs the server-owned AutoTuneAxisMap.GenerateQuery
through ISearchIndex (client never sends Lucene, per #69 PR1) and rolls matching
leaf items up to their distinct sources, mirroring GetSmartCollectionItems so the
DetailPanel preview matches what the built playout will contain.

Backend child of #383 (Auto-Tune DetailPanel milestone); read-only, cold review
acceptable. Handler + controller tests (9 new). OpenAPI + endpoint-index
regenerated; d.ts unchanged (reuses existing schema). Docs: api-conventions §5,
decisions.md 2026-07-17, domain-model.

fixes #384

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-17 09:40:44 +02:00
timothy 0320735f47 docs(69): auto-tune OpenAPI regen + api/domain/decisions docs
Refs #69
2026-07-16 22:18:52 +02:00
timothyandOpenAI Codex 489956b167 fix(api): protect local library path details
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Fixes #334

Co-Authored-By: OpenAI Codex <codex@openai.com>
2026-07-16 18:49:03 +02:00
timothyandClaude Opus 4.8 216130b4d7 fix(#172): API hardening — null-name 500s, duplicate template items, unreachable 404
Clears the still-live findings from #172 (verified against main; #2/#4/#7 and the
auth/search/Trakt tail were already deliberate-documented or fixed since 2026-07-07).

- Null/empty Name → 500 (10 create/replace handlers). Block/Template/DecoTemplate/Deco
  Create+Replace/Update + UpdateFFmpegProfile did `request.Name.Length > 50` on a
  client-nullable string → unhandled NullReferenceException → HTTP 500 (no global
  exception filter). Now `string.IsNullOrWhiteSpace(request.Name) || .Length > 50` →
  422; also rejects empty/whitespace names, matching the group-create handlers'
  NotEmpty behavior. CreatePlaylist coalesces null→"" at the DTO so it was an
  empty-name persist, not a 500; guarded the same way.
- ReplaceTemplateItems overlap validation iterated with an `item == otherItem`
  record value-equality skip, so two exact-duplicate items were value-equal and
  bypassed the intersection check (both persisted). Now index-based (i != j) so
  duplicates register as a self-intersection and are rejected 422.
- Trimmed the unreachable 404 ProducesResponseType from POST /api/blocks/groups and
  POST /api/templates/groups (a create has no parent lookup that can 404); v1.json
  regenerated.
- Regression tests: all 10 name-guard paths + the duplicate-items path (19 cases).
- Docs: decisions.md entry + api-conventions.md §3b null-safe-validation bullet.

fixes #172

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-13 01:16:52 +02:00
timothyandClaude Opus 4.8 ef2bd65c27 feat(api): #286 — mount the whole /api surface at /api/v1
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Version every /api route to /api/v1 (251 controller routes + ~24 Location
headers + the scanner callback URL + the Startup request-log literal),
uniform across the machine API, auth, scanner and scripted-build surfaces.

Add ApiVersionRewriteMiddleware: a legacy unversioned /api/* request is
rewritten (NOT redirected) to /api/v1/* in-pipeline — method, body, auth
headers and query survive — carrying RFC 8594 Deprecation/Sunset headers,
so curl / the future MCP server / bookmarks keep working. An already-
versioned path passes through; a future /api/v2 is never forced to v1.

Standardize the route convention (leading-slash absolute route per method,
no class-[Route] — except the two Scanner/Scripted controllers whose ~all
actions share a parametrized {id} prefix), enforced by ApiRouteVersioningTests
(^/api/v\d+/ over the whole Controllers.Api surface; browser-nav
/auth/oidc/login is out of scope).

Regenerate v1.json (160 paths, all /api/v1)/endpoint-index/v1.d.ts; sweep 945
SPA request literals + the test mocks (regex + positional URL parsers). /api/v1
is additive-only after freeze; the legacy-rewrite shim sunsets in ~2 releases
(owner decision) with removal tracked as a Phase-3 follow-up.

Docs: decisions.md 2026-07-13, api-conventions §1/§9, rest-api/spa-conventions/
blazor-route-parity/e2e-local/domain-model.

fixes #286
refs #197

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-13 00:30:20 +02:00
timothyandClaude Opus 4.8 8090e10408 fix(api): #265 — If-Match evaluates per RFC 7232 (valid-but-non-matching → 412, not 400)
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>
2026-07-12 23:09:36 +02:00
timothyandClaude Opus 4.8 ec26e1be5b fix(api): #316 review — POST-ify graphics-elements refresh, LockedError→409, no-store machine-key
- GET /api/graphics-elements no longer side-effects; refresh moved to
  POST /api/graphics-elements/refresh (204), closing a CSRF vector on a GET.
- PrepareTroubleshootingPlaybackHandler now returns a typed LockedError from
  both atomic lock-acquire failures; ApiResults.ToErrorResult maps it to 409
  instead of falling through to 422, so a lock lost in the race between the
  controller's pre-check and the handler's atomic acquire still reports 409.
- AuthController.MachineKey sets Cache-Control: no-store + Pragma: no-cache
  on the 200 response carrying the master API key.
- Reworded the stale "subtitleId query parameter" endpoint description now
  that playback/start takes a JSON body.
- Regenerated openapi/v1.json + docs/endpoint-index.md; docs/api-conventions.md
  updated with the LockedError pattern (§3a) and the ToErrorResult table row.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 21:50:42 +02:00
timothyandClaude Opus 4.8 461c763dc6 docs: #295 PR2 + #301 — decisions entry, api-conventions §9, e2e-local browser flow
- decisions.md: new entry (SPA cookie-only cutover, boot-gate-not-route, #301
  POST-ification rationale, machine-key-read + OIDC-logout residual) + TOC line.
- api-conventions §9: #301 resolved (POST-ify) + 'never add a side-effecting GET'
  standing rule; machine-key endpoint added to the auth surface list; PR2-shipped note.
- e2e-local: fix stale 'no key required' claim (fail-closed since #197) + browser
  setup/login boot-gate flow.
(spa-conventions §5e rewrite landed with the SPA-consumers slice.)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 21:50:42 +02:00
timothyandClaude Opus 4.8 7a9b30de71 fix(api): #269 review fixes — rebase force-write delta so rotation survives a race (Codex F1/F3)
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Independent Codex review (reconciled by Fable against a MERGEABLE fork verdict) found
SaveChangesForcingVersion silently DROPPED a pending Version++ under a concurrent
versioned-write race: on DbUpdateConcurrencyException it adopted the DB's current
Version verbatim (original = current = dbVersion), so a bumping sibling committed at
dbVersion instead of dbVersion+1. Net: an editor holding the concurrent writer's ETag
was never invalidated by the sibling's change — the exact lost-update the #253/#269
contract exists to close, lost under the very condition the helper handles.

F1 fix (shared helper, corrects all 25 bumpers incl. the pre-existing Add*ToPlaylist /
schedule-item writers): rebase the pending delta on top of the stored token —
  pendingDelta = current - original; original = dbVersion; current = dbVersion + pendingDelta
Bumpers (delta 1) advance to dbVersion+1; non-bumpers/deletes (delta 0, e.g.
ErasePlayoutHistory) still adopt the stored token unchanged, so RootWriterForceVersionTests
is unaffected. Idempotent across the bounded retry loop.

F3: the force-race tests now assert Version==3 (rebase), not just membership survival;
added the missing Playout force-race+rotate test. Negative-controlled: with the helper
fix reverted, both strengthened tests go red.

F2 (Medium, deferred → #308): two concurrent same-item Add*ToCollection can both pass the
membership check and the loser 500s on the composite-PK violation (DbUpdateException, which
the helper doesn't catch). Pre-existing and narrow (no corruption); doc claims softened to
name it. Filed #308.

Docs: api-conventions §7a + decisions.md prose corrected from "adopt the stored token" to
the rebase semantics.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 19:40:32 +02:00
timothyandClaude Opus 4.8 83f753b211 fix(api): #269 rotate aggregate ETag on Collection/Playout config siblings
Complete the #253 optimistic-concurrency contract's cross-editor ETag
rotation tail. The non-If-Match config siblings mutated editor-visible
state without bumping Version, so a concurrent editor of the same root
never invalidated. Now the Collection Add*/Remove handlers bump
Collection.Version, and UpdateCollection / UpdatePlayout / the three
ScheduleFile writers (which already force-wrote past a concurrent bump)
now bump too — all via SaveChangesForcingVersion (no If-Match → force
write, never 412/500).

No-op idempotence (Fable-caught trap): these gate reindex/BuildPlayout
fan-out on SaveChanges()>0, so an unconditional bump would fire spurious
rebuilds on an idempotent re-add / same-value re-submit. Each now
short-circuits a genuine no-op before the bump — Add handlers by an
explicit membership check (also fixing a latent duplicate-CollectionItem
insert), scalar writers by ChangeTracker.HasChanges().

Corrects #269's framing: the Add*ToCollection family is not
repository-mediated (IMediaCollectionRepository is read-only); each
handler writes via its own dbContext, so the scanner's separate
membership path is unaffected (a background scan does not rotate the
editor ETag).

Tests: CollectionEtagRotationTests + PlayoutScheduleFileEtagRotationTests
(rotation, no-op-without-bump-or-rebuild, force-write-past-concurrent-bump),
no-op guard proven non-vacuous by inverting the membership check.
Docs: api-conventions §7a + decisions.md. No new status codes / no
OpenAPI change (these endpoints take no If-Match, never 412).

The #265 RFC-7232 If-Match parser refinement is a separate PR.

fixes #269

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 19:40:32 +02:00
timothy a81f024840 Merge remote-tracking branch 'origin/main' into ci/303-api-docs-blocking
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2026-07-12 17:43:29 +02:00
timothy c34d2bdbf2 Merge remote-tracking branch 'origin/main' into ci/303-api-docs-blocking
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# Conflicts:
#	docs/decisions.md
2026-07-12 17:34:48 +02:00
timothyandClaude Opus 4.8 aa2e13fa51 ci: #303 H4/H5 blocking api-docs gate — fail on stale OpenAPI artifacts
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Adds a blocking `api-docs` CI job: when a PR diff touches the API surface
(ErsatzTV/Controllers/Api/** or ErsatzTV.Core/Api/**) it rebuilds the
generated artifacts from source — v1.json, v1.d.ts, endpoint-index.md —
and fails if any is stale in the diff. Mechanizes the "docs-update in the
same PR" rule for the API contract (docs-reminder stays a non-blocking
route-parity nudge).

Path-gated INSIDE the job (per-step `if:` on a detect output), not via a
top-level `if:`, so the check always reports a status on every PR and is
safe as a required check: API-free PRs skip the dotnet/node setup + regen
and pass trivially.

Verified the gate reproduces the committed baseline: a fresh build
regenerates v1.json byte-identical to HEAD (incl. all 244 auth
security/401 blocks). The only footgun is local — update-openapi.sh runs
dotnet-getdocument against the already-built assembly, so a stale bin/
emits a stale spec; api-conventions.md §5 now flags "build first". CI is
immune (fresh checkout has no bin/).

Docs: api-conventions.md §5 (two-place CI enforcement + stale-assembly
note), decisions.md (new entry). Refs #303.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 17:18:09 +02:00
timothy 5a12aae66e Merge remote-tracking branch 'origin/main' into fix/269-force-version-on-root-writers
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# Conflicts:
#	docs/decisions.md
2026-07-12 17:17:46 +02:00
timothyandClaude Opus 4.8 21b49e6a42 chore(#269): remove accidental web/node_modules symlink from PR
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Fix-commit re-review (cold fork) caught that e383c253 tracked a machine-specific
absolute-path symlink `web/node_modules -> /Users/.../web/node_modules` (created
for the eslint pre-push hook). It slipped past `.gitignore` because the
`web/node_modules/` trailing-slash pattern matches only a directory, not a
symlink; a real node_modules dir (a copy) would have been ignored. Untrack it and
tighten the ignore to `web/node_modules` (matches symlink or dir) so it can't
recur.

Also tightens the §7a / decisions.md "they already catch" phrasing (LOW review
nit): only BuildPlayoutHandler catches; PlayoutTimeShifter is insulated by running
solely on the background worker, never the request path.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 17:09:08 +02:00
timothyandClaude Opus 4.8 e383c253cc fix(api): #269 review — force-write ErasePlayoutHistory + document boundaries
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Independent adversarial review (cold fork + Codex) of the first cut converged
on one real miss and two boundaries to document.

- **ErasePlayoutHistoryHandler** (HIGH, both reviewers): modifies Playout ROOT
  scalars (Seed/Anchor/OnDemandCheckpoint) *without* bumping Version, inside an
  explicit transaction with no try/catch, so it 500s on a concurrent bump —
  reachable via POST /api/playouts/{id}/erase-items-and-history. My first sweep
  filtered on "Version-bumpers + deletes"; the true exposure surface is "any
  handler leaving a versioned root Modified/Deleted", so this slipped through.
  Now routes through SaveChangesForcingVersion (+ a non-vacuous through-handler
  test that exercises the explicit-transaction path). Re-swept with the correct
  filter: ErasePlayoutItems (AsNoTracking + ExecuteDelete children only) and
  ResetAllPlayouts (read-only + enqueue) are NOT exposed.

- **Background build/time-shift Playout-scalar writers** (BuildPlayout via
  PlayoutBuilder, PlayoutTimeShifter): token-guarded too, but intentionally left
  on plain save — they already catch (build-failure, not 500), and force-writing
  would persist output built from stale config (the concurrent config bump already
  enqueues a rebuild). Documented as a deliberate boundary, not a gap.

- **Item-add index collision** under force-write: documented as an accepted
  Phase-1 effect (non-corrupting, self-correcting; reload-recompute refinement
  is a #197 candidate).

Also corrects the docs' "every Version bumper" framing to the true filter and the
test docstring's over-broad non-vacuity claim. Full ErsatzTV.Tests green (1483).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 16:59:01 +02:00
timothyandClaude Opus 4.8 e8c3481ea5 fix(api): #295 PR1 — fold in fix-commit re-review (2nd Codex round)
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Fix-commit re-review confirmed the 1st-round fixes resolved and caught a 2nd round:

- HIGH — env-seed vs. setup race: an attacker could claim admin in the startup
  window before LocalAdminSeedService runs, and the seed's insert would then be
  swallowed (attacker credential persists, defeating env recovery). Fixed
  structurally: the setup-claim endpoint is CLOSED (409) whenever
  Auth:LocalAdmin:Password is configured — the env seed owns the credential, so
  there's no claim to race (also strengthens the setup-claim TOFU posture).
  Config.setupRequired reflects it.
- LOW — a concurrent setup race-loser now returns 409 (not 422); ClaimLocalAdmin's
  DbUpdateException catch re-checks existence and rethrows genuine/transient DB
  errors instead of masking them as "already configured".
- MEDIUM (accepted, documented) — two simultaneous authenticated password changes
  are a non-serializable lost-update; accepted for a single-admin system
  (self-healing via re-login, implausible timing).

+3 AuthController tests (env-seed closes setup / setupRequired gating). Full
ErsatzTV.Tests green (1506); no generated drift. Docs updated.

Refs #295

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 16:52:23 +02:00
timothyandClaude Opus 4.8 6ac5150fd0 fix(api): #295 PR1 — fold in cold-fork + Codex review findings
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Independent review (cold fork = MERGEABLE-WITH-NITS; Codex = BLOCKED, caught
concurrency defects the fork missed). All actionable findings folded in:

- HIGH (Codex) atomic first-claim-wins: ClaimLocalAdmin now writes the three
  credential rows in ONE transaction guarded by the unique ConfigElement.Key
  index (lost race -> DbUpdateException -> 409), so concurrent claims can't
  produce a mixed-state credential.
- HIGH (Codex) consistent login snapshot: VerifyLocalAdminLogin reads hash+stamp
  in one query and drops rehash-on-verify, so a login racing a password change
  can't capture a stamp newer than the hash it verified (concurrent change ->
  old password fails, or the issued cookie carries the pre-change stamp ->
  revoked next request).
- MEDIUM (Codex) env-seed migration race: LocalAdminSeedService is now a RunOnce
  BackgroundService that awaits SystemStartup.WaitForDatabase (the migrator is a
  BackgroundService; registration order didn't guarantee the schema) + try/catch.
- MEDIUM (fork M1) ForwardedHeaders: reverted the strict-opt-in flip — it would
  regress /iptv M3U/XMLTV/HLS absolute-URL generation (Request.Scheme) behind a
  proxy without KnownProxies. Kept #285 behavior; KnownProxies still recommended.
- LOW (Codex/fork) require X-CSRF on /api/auth/logout + /password (the
  [SkipApiAuthorization] surface isn't covered by the filter's CSRF check;
  closes forced-logout CSRF).
- ChangeLocalAdminPassword also writes hash+stamp atomically. Input length caps
  on username/password.

Deferred with a tracked gate: MEDIUM (Codex) side-effecting [RequiresAuthentication]
GETs (troubleshoot playback/archive) aren't CSRF-covered -> #301, gates PR2
(latent in PR1: the SPA still uses the machine key).

Verify: full ErsatzTV.Tests green (1501); no OpenAPI/generated drift. Docs updated
(api-conventions §9, decisions.md).

Refs #295 #301

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 16:40:25 +02:00
timothyandClaude Opus 4.8 d80bf886b2 fix(api): #269 force-write non-If-Match root writers past a concurrent Version bump
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Activating #253's `Version` as an `IsConcurrencyToken` made EF guard every
UPDATE *and DELETE* of a versioned root with `WHERE Version=@orig`, so any
writer outside the If-Match contract that saves via plain `SaveChangesAsync`
throws an unhandled `DbUpdateConcurrencyException`->500 when a replace-all
editor bumps the row in its narrow load->save window (ordinary two-tab UI).

A completeness sweep (grep every `Version` bumper + every root delete, not
just the handlers PR3's close note named) found 17 exposed writers, all now
routed through `ConcurrencyExtensions.SaveChangesForcingVersion` (Phase-1
force-write: adopt the stored token and retry; rethrow only on genuine
row-deletion):
  - 9 versioned-root delete handlers (a delete has no ETag to rotate -> force
    only, no bump)
  - UpdateProgramScheduleHandler (bumps then saved plainly - the ProgramSchedule
    case PR3 only suspected; its post-commit query/enqueue also moved to
    CancellationToken.None per section 7b)
  - 7 item add/remove bumpers PR2 left on plain save:
    Add/DeleteProgramScheduleItem + Add{Items,Movie,Show,Season,Episode}ToPlaylist

Force-write (not 412) is correct: these endpoints take no If-Match, so an
unconditional delete/edit should win. No API contract change (no new response
codes) -> no OpenAPI regen.

Still deferred to #197 (cross-editor ETag rotation only, not a 500): the
non-bumping config siblings + the scanner-shared Add*ToCollection family.

Tests: RootWriterForceVersionTests races a bump *through the handler* via a
pre-tracked context (non-vacuous - reverting a handler to plain save fails the
test, verified) for the Option-delete / Either-delete / bump+update shapes,
plus the genuine-conflict rethrow branch and an explicit negative control
proving the plain-save path throws. Full ErsatzTV.Tests green (1482).

Also strips a pre-existing UTF-8 BOM from the touched handlers to satisfy the
.editorconfig `charset=utf-8` rule the pre-commit format hook enforces.

Docs: api-conventions section 7a (fan-out completeness) + decisions.md entry.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 16:39:19 +02:00
timothyandClaude Opus 4.8 0b23d4b6b1 feat(api): #295 PR1 — browser SPA session auth (session-OR-key gate, server-only)
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Implements the ratified #295 design (PR1, server-only, backward compatible). The
/api surface now accepts a valid X-Api-Key (machine) OR an authenticated session
(browser cookie, local login or OIDC), gated by the evolved ApiAuthorizationFilter
(renamed from ApiKeyAuthorizationFilter; same fail-closed EndpointRequiresKey
predicate). Machine/key behavior is byte-identical and the SPA keeps working via
its stored key — the SPA login flow lands in PR2.

- ApiAuthorizationFilter: key-first (CSRF-immune) then session; session-authed
  mutations require the X-CSRF header (403 otherwise). Attributes renamed
  [RequiresApiKey]->[RequiresAuthentication], [SkipApiKeyAuthorization]->[SkipApiAuthorization].
- Cookie scheme ctv-session always registered (Lax/SameAsRequest/14d sliding, 401 not
  redirect for /api); OIDC handler revived when configured (profile scope, userinfo,
  auth-method claim); UseAuthentication/UseAuthorization/UseRateLimiter revived in the
  legacy MapWhen branch.
- Local admin = single credential in ConfigElement rows (username / PBKDF2 hash via
  Microsoft.Extensions.Identity.Core / rotating security stamp) — NO DB migration.
  Password change rotates the stamp; CookieSecurityStampValidator revokes stale local
  sessions. Env-seed recovery (Auth:LocalAdmin:*) via LocalAdminSeedService.
- AuthController /api/auth/{config,session,setup,login,logout,password} + browser-nav
  GET /auth/oidc/login; excluded from OpenAPI (machine-audience spec). Per-IP rate limit
  on login/setup/password; dummy-hash verify (no user enumeration).
- ForwardedHeaders now strict opt-in: X-Forwarded-* ignored unless KnownProxies/Networks
  configured (rate-limiter IP + cookie-Secure integrity). Deployment: operators behind a
  proxy must set ForwardedHeaders:KnownProxies.
- Tests: session/CSRF filter cases + 17 Application/Auth handler tests; full ErsatzTV.Tests
  green (1499). No OpenAPI/generated-artifact drift.
- Docs: api-conventions section 9 rewritten; decisions.md entry (supersedes #206 inert-OIDC note).

Refs #295 #197 #206 #58

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 16:14:54 +02:00
timothyandClaude Opus 4.8 6d31758cca feat(api): #271 collections scan-status REST surface + authoritative SPA reconcile
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Add GET /api/media-sources/collections-scan-status (MediaSourcesController →
GetCollectionsScanStatus handler) reporting which media-source families
(plex/jellyfin/emby) currently hold their external-collections scan lock,
reading IEntityLocker.Are{X}CollectionsLocked(). The lock is family-global
(no source id) and boolean (no percent), so the DTO carries just {family} and
returns only active families — the counterpart to GET /api/libraries/scan-status.

SPA: useCollectionsScan now polls this endpoint and reconciles optimistic
pending against the active-family set (seeding on mount so an in-progress scan
disables buttons immediately), using the same grace-tick helper as library
scans (now generic over the pending key type). Drops COLLECTIONS_PENDING_TIMEOUT_MS
— a long deep scan no longer re-enables the button early, and a fast scan no
longer wedges it disabled for the full timeout. A row shows Scanning when its
family is active or it has an in-grace optimistic pending key.

Tests: handler (3), controller route+delegation (2), SPA api fn + hook reconcile
(mount-seed / 202-promote / 409-keeps-disabled / 404-error). OpenAPI + TS types
regenerated. Docs: api-conventions §3b, blazor-route-parity §5, decisions.md.

Unblocks #91b (arc item 4): Libraries.razor's collections-scan affordance now
has full authoritative parity.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 14:23:58 +02:00
timothyandClaude Opus 4.8 c40e78d840 fix(api): #197 Bundle C review nits — order-independent operationIds + nullable MediaSources fields
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Refs #287 #288 #197

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 12:08:50 +02:00
timothyandClaude Opus 4.8 a918ccd60c docs: #197 Bundle C — api-conventions/decisions/rest-api sync
§2 raw-VM wrapping + universal #nullable enable; §3a/§5/§7a/§9 updated for
reset re-key, DayOfWeek string, header-only Version, security-by-construction;
3 decisions.md entries (#287/#288/channel-key); rest-api.md reset route.

Refs #287 #288 #197

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 02:38:43 +02:00
timothy f8fd9084d1 Merge main (CI migration-job retry #294 + #197 tests) into fix/283
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# Conflicts:
#	docs/decisions.md
2026-07-12 00:52:20 +02:00
timothyandClaude Opus 4.8 20d074e7e4 docs(#197): api-conventions §9 auth posture + decisions.md Bundle A entry
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 00:08:05 +02:00
timothyandClaude Opus 4.8 cf834d8b60 security(#283): sniff artwork content type from bytes, remove serve-side ?contentType= reflection
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S4 stored-XSS + S9 upload-size DoS from the #197 cold API review.

The artwork path trusted client-supplied content types at both ends: upload
validated only the declared multipart Content-Type (never decoded the bytes),
and serving reflected a client `?contentType=` straight into the response
Content-Type on unauthenticated GET sinks (/iptv/logos, /artwork/watermarks).
Chain: upload <script> bytes as image/png -> GET ...?contentType=text/html
serves them as HTML in-origin. nosniff (#279) does not help because the server
explicitly declares text/html.

- Upload: derive the content type from the bytes via SkiaSharp SKCodec
  (header-only, no decode -> no decompression-bomb path); reject non-images 422.
  New ErsatzTV.Core/Images/ImageContentTypes as the single allow-list source.
  Dropped the untrusted declared Content-Type from the UploadArtwork command.
- Serve: removed the ?contentType= reflection structurally -- dropped ContentType
  from GetCachedImagePath and the [FromQuery] binding on GetImage/GetWatermark;
  the handler always sniffs the file, defaulting application/octet-stream.
  ArtworkContentTypeModel.UrlWithContentType is now the bare path; SPA previews
  no longer append the query.
- Defense-in-depth: channel-logo / watermark {path, contentType} DTOs run through
  ArtworkContentTypeModel.Sanitized(), blanking non-allow-listed types on write.
- S9: Kestrel MaxRequestBodySize from ETV_MAXIMUM_UPLOAD_MB rejects oversized
  bodies during read (controller file.Length check kept as friendly-error backstop).

Both serve sinks are IgnoreApi, so no OpenAPI change. Tests: byte-sniff accept/
reject, Sanitized() allow-list, Location no longer carries ?contentType=.
Docs: api-conventions §4a + decisions.md 2026-07-12.

Refs #283 #197 #66

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 00:07:55 +02:00
timothyandClaude Opus 4.8 162b334e5d test(#259): id-based reconcile matrix + docs (api-conventions §7c, decisions)
Add the id-based reconcile tests to ReplaceProgramScheduleItemsReconcileTests:
reorder moves state with the logical item (the non-vacuous core — proven to fail
under forced-positional), insert-in-middle, delete-unreferenced, unknown-id→422,
duplicate-id→422, and stale-version+unknown-id→412 (412 precedes 422, §7c). The
GET→map→PUT lossless round-trip now round-trips r.Id so it exercises id-mode.
Threads the new int? Id through all command/wire construction sites in tests.

Docs: api-conventions §7c (stable child identity + the deliberate #2-#5 positional
asymmetry) and a decisions.md entry.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-11 21:53:50 +02:00
timothy 22440cc1e6 Merge remote-tracking branch 'origin/main' into feat/253-pr3-diff-scalar
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# Conflicts:
#	docs/decisions.md
2026-07-11 20:45:22 +02:00
timothy c93266b6fb Merge remote-tracking branch 'origin/main' into feat/253-pr2
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2026-07-11 19:44:39 +02:00
timothyandClaude Opus 4.8 c40ffefa99 feat(253): PR3 optimistic-concurrency fan-out — Diff + Scalar aggregates
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Fans the frozen Block recipe (api-conventions §7a) across the five Diff/Scalar
replace-all endpoints, completing the #253 PR2→PR4 arc's implementable core:

- #6 Collection custom-order, #7 Playout alternate-schedules, #8 Playout templates
  (shared Playout.Version), #9 MultiCollection, #10 RerunCollection — each: pre-check
  412 as a standalone Either after validation (H2, subtype survives the Join flatten),
  unconditional Version++ (M1), guarded save, controller If-Match/ETag/400/412, SPA
  editor ETag round-trip + 412 conflict dialog.
- H1: the two Playout handlers' catch(Exception)→422 restructured so the guard's
  PreconditionFailedError returns before the catch (412, not 422).
- M2: RerunCollection/Collection refresh runs unconditionally on save; MultiCollection
  keeps its name-only→no-rebuild optimization by bumping on the first (name) save.
- H3: UpdateDefaultDecoHandler bulk-bumps Playout.Version via .SetProperty.
- Shared ConcurrencyHeaders.MalformedIfMatchProblem() for the 400 guard.
- Deferred (→ #269): same-root non-bulk sibling config writers' ETag rotation.

Tests: per-handler pre-check/bump concurrency tests (Playout ×2 incl. non-vacuous
racing-save backstop, Rerun, Multi incl. name-only-no-rebuild M2, Collection);
controller tests get a DefaultHttpContext for the header read/write. Docs:
api-conventions §7a fan-out status, spa-conventions §4a list-editor note, decisions.

Refs #253

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-11 19:23:48 +02:00