2026-10-09 11:21:17 +02:00
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---
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id: USER-WP-ADHOC-2026-10-09
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type: workplan
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title: "Scoped invitation mail client bindings"
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domain: communication
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repo: user-engine
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2026-10-09 15:53:21 +02:00
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status: finished
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2026-10-09 11:21:17 +02:00
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owner: claude
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created: "2026-10-09"
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updated: "2026-10-09"
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2026-10-09 11:21:45 +02:00
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state_hub_workstream_id: "88817a88-4415-5400-be9a-939406e77831"
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2026-10-09 11:21:17 +02:00
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---
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## Send an admitted tenant/client pair on invitation mail
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```task
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id: USER-WP-ADHOC-2026-10-09-T01
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status: done
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priority: medium
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2026-10-09 11:21:45 +02:00
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state_hub_task_id: "d62b2f0e-7b62-5bf2-945d-7d8a9f51b002"
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2026-10-09 11:21:17 +02:00
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```
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User-engine side of email-connect EMAIL-WP-0008 (caller policy draft
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2026-10-08): current invitation envelopes omit `client_id`, so a scoped
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user-engine caller cannot be admitted. Opt-in
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`USER_ENGINE_MAIL_CLIENT_BINDINGS` maps tenant globs to one literal client id.
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Files:
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- `src/user_engine/mail_bindings.py` — strict loader and single-match resolver
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- `src/user_engine/adapters/delivery.py` — adds `client_id` to the mail
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envelope only; denial contacts neither lane
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- `src/user_engine/runtime.py` — reads the env var
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- `src/user_engine/service.py`, `src/user_engine/web.py` — keep
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`mail_binding_denied` as the recorded failure reason with an operator status
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line instead of collapsing it to `delivery_unavailable`
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- `docs/configuration.md`, `tests/test_mail_bindings.py`,
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`tests/test_service_operations.py`
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Acceptance: unset keeps legacy envelopes; invalid config stops startup;
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unmatched or conflicting tenants are denied; platform events and outbox payloads
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never carry `client_id`; `make test` and `make check-layer` pass.
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Not done here: activation. Deploy config, email-connect caller admission
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(EMAIL-WP-0008-T03) and token custody stay with their owners and the founder.
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2026-10-09 15:51:45 +02:00
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## Draft the deployment binding value
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```task
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id: USER-WP-ADHOC-2026-10-09-T02
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status: done
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priority: medium
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```
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Draft only, not applied. When email-connect admits the user-engine caller
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(EMAIL-WP-0008-T03), add this to the user-engine container env in
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`net-kingdom/sso-mfa/k8s/user-engine/runtime.yaml`, next to
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`USER_ENGINE_MAIL_URL`:
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```yaml
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- name: USER_ENGINE_MAIL_CLIENT_BINDINGS
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value: '[["tenant:coulomb","coulomb-social"],["tenant:*-family","coulomb-social"],["tenant:family-*","coulomb-social"]]'
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```
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It mirrors `bindings` plus `binding_patterns` in email-connect
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`config/callers.user-engine.draft.json` one-to-one. Both sides match with
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case-sensitive whole-string `fnmatchcase`, so user-engine sends only pairs the
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receiver admits. Checked with the loader: `tenant:coulomb`,
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`tenant:worsch-family` and `tenant:family-*` resolve to `coulomb-social`;
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`tenant:platform` is denied before either lane.
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Order matters. Apply the env var in the same rollout that switches
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`USER_ENGINE_MAIL_TOKEN` to the scoped caller token. Before then the receiver
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runs legacy mode, so leave the variable unset. If either side's patterns change,
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change the other in the same review.
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