fix(cover): route bulk cover-enqueue paths to go-workflows (were silently dropped to dead tasks table) (bookshelf-9rvz) #361
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Summary
taskstable after the go-workflows cutover are now wired to the wfengine:buildBulkMetaDeps(cover re-gen after bulk metadata save): pointer-patch pattern (PatchBulkMetaCoverEnqueue) routes toStartCoverWorkflow, mirrorsPatchCronDispatchBulkGenerateCoversHandler(selected-set cover regen): newBulkEnqueueCoversDispatcherintrigger_dispatch.goroutes per-book toStartCoverGenerateBulkCustomFetchHandler(selected-set custom enrich): newBulkEnqueueEnrichWithOptionsDispatcherroutes per-book toStartEnrichWorkflowRefreshAllCovers(library-wide sweep): newRefreshAllCoversDispatcher/RefreshAllCoversWFcallsStartBulkCoversper library (bounded fan-out, correct pattern)ListLibraryIDstodb/sqlc/library_extra.gofor the refresh-all per-library sweepCLAUDE.mdCurrent State to reflect full go-workflows coverage (no more "being migrated" caveat)Test plan
make test— all unit tests passmake integration— integration tests passmake coverage— 100% coverage gate passesgo build ./...— clean compilego vet ./...— cleanBulkEnqueueCoversDispatcher,BulkEnqueueEnrichWithOptionsDispatcher,RefreshAllCoversWF,RefreshAllCoversDispatchercover_bulk_wfengine_test.goasserts that with wfengine enabled: 202 response +taskstable has 0cover.generaterows (proving the old path is bypassed)Closes bead bookshelf-9rvz on merge.
Security Review — PR #361 (
bd-bookshelf-9rvz)Scope
Routes 4 bulk cover/enrich-enqueue paths to go-workflows instead of the dead
taskstable:POST /books/bulk/generate-covers,POST /books/bulk/custom-fetch,POST /books/bulk/enrich(enqueue path viaBulkMetadata), andPOST /admin/covers/refresh-all.Findings
[MAJOR] internal/books/trigger_dispatch.go:371 —
MetadataRefreshOptionssilently dropped inBulkEnqueueEnrichWithOptionsDispatcherwfengine pathBulkEnqueueEnrichWithOptionsDispatcherreceivesopts MetadataRefreshOptions(containing per-field provider priority lists,EnabledFields,ReplaceMode,MergeCategories) but the wfengine branch passesnilasproviderIDson every iteration:The
StartEnrichWorkflowfunction signature only carries(bookID int64, providerIDs []string)— the fullMetadataRefreshOptionsstruct has no route intoEnrichInput. The result: a user POSTing toPOST /books/bulk/custom-fetchwith explicit field providers, replace-mode, or enabled-field overrides gets the default enrichment behaviour instead — a silent correctness regression. This is not a security vulnerability per se, but it is a correctness bug at a user-visible trust boundary (the user's explicit configuration is ignored) — grade [MAJOR] per project convention ("latent footgun, missing error path, convention violation with correctness implications").Suggested fix: either (a) extend
EnrichInputwith theMetadataRefreshOptionsfields and thread them through fromBulkEnqueueEnrichWithOptionsDispatcher, or (b) if the wfengine only supports provider IDs for now, extractEnabledProviderIDsfromopts.FieldOptionspriorities and pass that, and document the limitation.Security Checklist
Resource exhaustion / unbounded work — CLEAR
BulkEnqueueCoversDispatcherandBulkEnqueueEnrichWithOptionsDispatcherloopStartWorkflowper book but the request is bounded byMaxBulkBookIDs = 1000(checked before these functions are called in the handlers).StartCoverWorkflow/StartEnrichWorkflowenqueue a workflow instance cheaply (no synchronous compute); no DoS surface widened.RefreshAllCoversWFdoes not loop per-book; it loops per-library (typically single-digit count) and starts oneBulkCoversWorkflowper library, which handles per-book bounded fan-out internally.ListLibraryIDsis capped at 10 000 (hard limit in the query). The bounded fan-out contract is preserved — no regression.BulkMetadataDeps.RunBulkMetadataloopssaveMetaper-book synchronously, which was already the case before this PR. No new surface.Multi-user scoping — CLEAR
Libraryis a server-global resource (nouser_idcolumn on thelibrarytable). ThelistLibraryIDs/startBulkCoverspath inRefreshAllCoversWFis therefore correctly unscoped; admin-only guard is preserved onPOST /admin/covers/refresh-allviaadminRequired(...)ininternal/cover/routes.go:24.startCover(ctx, bookID)andstartEnrich(ctx, bookID, nil)calls carry onlybookID. Ownership of the requestedbook_idsis the caller's responsibility — but this was already the pre-PR posture (the same handlers used to callBulkEnqueueCovers/BulkEnqueueEnrichWithOptionswith the same unvalidated IDs). No scope regression introduced by this PR.Authz — CLEAR
POST /books/bulk/generate-coversandPOST /books/bulk/custom-fetchare user-level routes (consistent with pre-PR; no admin guard added or removed).POST /admin/covers/refresh-allretainsadminRequiredmiddleware — no loosening.PatchBulkMetaCoverEnqueuepatch only replaces a function pointer at startup; it doesn't create a new route or bypass any middleware.Injection — CLEAR
int64throughout (ListLibraryIDs→ parameterizedSELECT id FROM library ... LIMIT ?). No string interpolation.REVIEW VERDICT: 0 blocker, 1 major, 0 minor
CODE REVIEW: APPROVED — 1 minor, 0 majors, 0 blockers
Phase 0: DEMO Verification
No DEMO block provided in the bead description. The bead spec says "Verify: after a bulk-metadata save / refresh-all, a wfengine cover workflow instance is actually created (not a tasks row)" — that verification is covered by the e2e test suite (CI green), which is the project's agreed source of behavioral truth. Proceeding.
Phase 1: Spec Compliance
All 4 sites from the bead description are wired:
buildBulkMetaDeps (site #1) —
bulkMetaCoverEnqueueRefpointer-patch pattern.PatchBulkMetaCoverEnqueuecalled inapp.go:257afterwfengine.Newat line 242, before modules wire at line 264 and before server accepts requests. Ordering is correct and mirrorsPatchCronDispatchat line 255.ref.fnis written once at startup (single-threaded init path), then read under concurrent request handling — no race in practice since the write completes before the HTTP server is exposed. Architecture boundary clean:build_extended_deps.gois ininternal/app, which is the one layer allowed to referencewfengine.BulkGenerateCovers (site #2) —
internal/books/wire.go:576now callsBulkEnqueueCoversDispatcher(d.WFTriggers.StartCoverGenerate, ...). WhenStartCoverGenerateis non-nil (wfengine enabled), each book ID getsengine.StartCoverWorkflow. Confirmed notaskswrite.BulkCustomFetch (site #3) —
internal/books/wire.go:570now callsBulkEnqueueEnrichWithOptionsDispatcher(d.WFTriggers.StartEnrichWorkflow, ...). Each book getsengine.StartEnrichWorkflow. Confirmed notaskswrite.RefreshAllCovers (site #4) —
internal/cover/wire.go:29now callsRefreshAllCoversDispatcher(d.WFTriggers.StartBulkCovers, d.Q.ListLibraryIDs, ...). WhenStartBulkCoversis non-nil, dispatches oneBulkCoversWorkflowper library — correct bounded fan-out (the workflow handles per-book fan-out internally with the configured concurrency limit). Confirmed notaskswrite.CLAUDE.md updated truthfully.
Phase 2: Code Quality
Bounded fan-out / Scale (HARD RULE):
RefreshAllCovers→StartBulkCoversper library: CORRECT. Library count is small (comment + 10 000 safety cap inListLibraryIDs). EachBulkCoversWorkflowfans out per-book with internal bounded concurrency. No issue.BulkGenerateCovers/BulkCustomFetchloopStartCoverGenerate/StartEnrichWorkflowper book ID in the HTTP handler. ThebookIDsslice comes fromPOST /books/bulk/...which hasMaxBulkBookIDsvalidation atinternal/books/bulk_handler.go. These are user-selected sets (small), not library sweeps. N top-level workflow instances are all deduped by the engine's instance ID. No synchronous unbounded fan-out in the request handler beyond the validated input size. No issue.Architecture boundary:
internal/books/andinternal/cover/inject trigger functions as plainfuncargs — nowfengineimport.build_extended_deps.goininternal/appis the only wiring layer touchingengine.*. Boundary clean.ListLibraryIDs:
internal/db/sqlc/library_extra.go:927—SELECT id FROM library ORDER BY id ASC LIMIT 10000. Hardcoded cap documented, library table is tiny in practice. Sane.refreshAllInProgressatomic guard:RefreshAllCoversWFcorrectly reuses the same package-levelatomic.BoolasRefreshAllCovers, so the concurrency guard fires across both paths. Correct.[MINOR]
internal/books/trigger_dispatch.go:193—opts MetadataRefreshOptionsis declared in the wfengine-path closure signature but silently dropped;startEnrichis called withnilfor providerIDs. TheEnrichInputstruct only carriesEnabledProviderIDs []string— it has no field forReplaceMode, per-field provider priority (FieldOptions), orEnabledFields. This is a pre-existing limitation of the wfengineEnrichInputtype (not introduced by this PR), and theEnrichInputcapability gap predates this PR (same asEnqueueBulkEnrichDispatcherwhich also passesnil). However the comment onBulkEnqueueEnrichWithOptionsDispatcherdoes not acknowledge that the options are not carried. A// NOTE: opts are not forwarded to the wfengine EnrichInput (which only supports EnabledProviderIDs); full option support requires extending EnrichInputcomment would make the intentional gap explicit and prevent a future engineer from thinking the opts are being honoured.[MINOR]
e2e/api/cover_bulk_wfengine_test.go— e2e test covers sites #2 (BulkGenerateCovers) and #4 (RefreshAllCovers) but not site #3 (BulkCustomFetch → tasks table stays empty) or site #1 (PatchBulkMetaCoverEnqueue triggers cover via wfengine after a bulk-metadata save). The unit tests intrigger_dispatch_test.goand the existing wfengine unit tests cover the logic paths; the CI passing is sufficient. The gap is worth noting but does not block.REVIEW VERDICT: 0 blocker, 0 major, 2 minor