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mailer v1.2.0: a persistent queue, MongoDB outbox, templates and an audit of message states - #4

Merged

Alex-Dolid merged 84 commits into

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feat/reliability-layer

Oct 20, 2026

Merged

mailer v1.2.0: a persistent queue, MongoDB outbox, templates and an audit of message states#4
Alex-Dolid merged 84 commits into
mainfrom
feat/reliability-layer

Commits on Oct 18, 2026
- refactor: share the backoff, thrown errors, fingerprint and path checks
  
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- feat: a mail queue with a BullMQ driver, templates over nine engines and an audit of states
  
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- feat(mongodb): a transactional outbox, with its audit sink and idempotency store
  
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  29f3df7
- chore(release): v1.2.0
  
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  dd7f071
- feat(queue): fix the fields of a version 1 job
  
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- feat(queue): sign jobs with HMAC keys
  
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- feat(queue): seal the fields of a job with a codec
  
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  7307d04
- feat(queue): derive job ids under a secret
  
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  0017a9e
- refactor: share the bounded wait and the priorities of queue sources
  
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  0e4f8b3
- test(queue): hold every queue source to one contract
  
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  001e4e9
- perf(queue): keep the jobs of the memory queue on heaps
  
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  b2d850b
- fix(queue): tell a settle that the token of its lease fenced off
  
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- fix(queue): give up a job whose runs keep ending unsettled
  
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  c578ac5
- fix(queue): stop a run whose lease the store does not extend
  
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  233a498
- fix(mongodb): take a lease back only past the skew of the workers' clocks
  
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  17a7650
- feat(queue): drop the message of a job done with
  
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  1ac61fc
- feat(queue): one retention of finished jobs on every driver
  
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  02a939a
- fix(queue): refuse a reused key of enqueueMany once the batch is told
  
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  31acd27
- fix(templates): render a Handlebars partial that names itself
  
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  c2b8a69
- fix(templates): key a Handlebars partial by the template it resolves to
  
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  c8dd648
- fix(queue): tell the queued event before a job enqueued without a transaction
  
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  a94ad6b
- fix(queue): give back a job this worker cannot read, its attempts kept
  
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  bb05f93
- fix(templates): give each Nunjucks render its own missing include
  
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  ba8955d
- feat(queue): a run again after a submit may be of unknown delivery
  
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  177d6cb
- fix(templates): name the template a loader failed to read
  
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  c93ca72
- fix(bullmq): tell the audit of a job BullMQ gives up itself
  
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  ba1d0fd
- fix(templates): refuse an engine option that turns off escaping
  
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  f10c135
- fix(queue): keep the text of a failed render out of the store and the audit
  
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  31bbf05
- feat(templates): give Liquid limits by default, and say who may write a template
  
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  6600181
- perf(mongodb): index when the next job of the outbox is due
  
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- perf(mongodb): take back leases and read the pause once a while
  
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  b757bc2
- feat(templates): bound the includes, their depth and the output of a render
  
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  e692f93
- perf(queue): wake one lane per change of the source
  
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  2b6a46f
- fix(templates): give a loader template names alone, none starting with a dot
  
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  3d99803
- perf(mongodb): wake on the changes that make a job ready, and reopen a stream
  
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  97f3222
- fix(templates): read a template file through the descriptor its size came from
  
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  375d4d4
- feat(templates): tell the step, engine and input of every failure
  
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  7f1a5d2
- feat(templates): time out a render, stop it at its signal, and keep nothing that hangs
  
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  f29f9ab
- feat(queue): tenants in turn, and a pause of one tenant's jobs
  
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  f4feae6
- test(mongodb): a context with keys of $ and dots goes through the outbox
  
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- refactor(templates): share what the engines keep per renderer and the checks of extensions
  
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  df74957
- fix(templates): read an EJS include against the template it is written in
  
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  fbfe811
- fix(templates): look up a Pug include as every engine's, with its extensions
  
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  83fc2b1
- fix(templates): read a Mustache partial against the template it is written in
  
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  04136de
- perf(queue): tell the sink the queued events of a batch in one write
  
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  af9676f
- test(templates): read one tree of includes through every engine
  
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  f3ec9fc
- perf(bullmq): read the jobs of a batch back many at once
  
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  ba29da3
- fix(queue): tell what escapes the steps of the worker, and how long each run took
  
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- perf(templates): compile an EJS include once, not on every render
  
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- feat(templates): name the locales templates are written in
  
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  a36ab86
- feat(queue): read what the outbox and the memory queue hold
  
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  8620476
- fix(templates): bound what each engine keeps by the cache of the renderer
  
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- perf(templates): parse a Mustache template once, and a partial once per template read
  
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- feat(mongodb): find the events of a message by the provider's id of it
  
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  4cfa5aa
- feat(templates): tell a logger each compile and render, a hit or a miss
  
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  ec9ace6
- fix(templates): refuse a layout no template of the renderer would get
  
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  d260c24
- fix(templates): type the loaders and the throws as they are
  
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- refactor(templates): look up includes in one pass, as the loop rules ask
  
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- feat(otel): spans and metrics of the worker of a queue
  
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- test(templates): cover an include gone between its lookup and its read
  
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- chore: run the suites of the real stores as one step that cannot be skipped
  
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  c670544
- chore(bench): measure the throughput of the outbox
  
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  afa9cae
- docs: keep CLAUDE.md and the release skill true to 1.2
  
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- test(templates): skip the tests that replace node:fs where it cannot be replaced
  
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- docs: one table of the codes of the queue, kept in step with the code
  
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  2881776
- docs: the comparison and the security policy say what 1.2 does
  
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- docs(readme): sign the jobs of the queue example, and name what the queue keeps
  
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- docs(changelog): order the entry of 1.2.0 by subpath, and name every export
  
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- test(queue): cover resume of the drivers, and drop an unused getter
  
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  30b583e
Commits on Oct 19, 2026
- Merge the templates wave of the review into feat/reliability-layer
  
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- chore: raise the size budget of ./templates for its review wave
  
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  3bda2a8
- fix(queue): retry a template failure that says it may pass
  
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  9cdb828
- docs(changelog): the templates wave of the review in the entry of 1.2.0
  
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  1162ad2
- fix(queue): check the clock of a mail queue when it is made
  
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  e5e9b6a
- fix(bullmq): count a delay from the clock the driver is given
  
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  63b3839
- docs: the defaults of the queue, its worker and its drivers in one table
  
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  123c010
- docs(changelog): name the clock of the BullMQ driver
  
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- chore(release): date v1.2.0 and name its new exports in the docs
  
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Commits on Oct 20, 2026
- Update CHANGELOG.md
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- test(queue): date the stale sealed job by the clock of the test
  
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- feat(queue): derive the ids of a job your way with deriveId
  
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  9480f35
- fix(templates): resolve a template's real path the same way in loadSync and load
  
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- test(queue): close the workers with t.after, as Node 22 parses no await using
  
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  49b27fe
- test(templates): restore the replaced node:fs after each test, as Deno does not
  
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  4bd8d73

Commits

Commits on Oct 18, 2026

Commits on Oct 19, 2026

Commits on Oct 20, 2026