157 lines
7.1 KiB
Markdown
157 lines
7.1 KiB
Markdown
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# Spec Delta: fingerprint-wizard
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## Purpose
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The Fingerprint Agent enrollment wizard at `/fingerprint`: offers the operator
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only the domains they may capture for, runs two-finger enrollment through the
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local fpagent capture agent, and saves the resulting templates to a2loft with
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per-call OTP validation.
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## ADDED Requirements
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### Requirement: Permitted domain selection
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The wizard SHALL offer, from the hardcoded catalog — UNICAL (`uc`),
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Metropolitan Hotel (`mtr`), UCTH (`ucth`), UNICAL Radio International (`uri`),
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YOUreka (`yrka`) — only the domains the operator is permitted to capture for.
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Permission SHALL be determined after login against the same public portal
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OpenFGA verify endpoint fpagent uses (`https://portal.yrka.app/api/openfga/verify`),
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requesting the `capture_biometric` relation for `domain:<code>` on subsystem
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`idid` for the operator's phone (leading `+` stripped), with a fallback check
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against `domain:idid`; the operator is permitted if either check allows. Each
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domain's checks SHALL fail closed on error or denial. Catalog checks SHALL run
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in parallel, and their results SHALL be cached per operator phone for 5
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minutes: session fetches within that window SHALL serve the cached result
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without contacting the portal, and all catalog domains SHALL be re-checked in
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parallel once that period expires.
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#### Scenario: Permitted domain is offered
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- **WHEN** the portal verify endpoint allows the operator for a catalog
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domain
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- **THEN** that domain appears in the wizard's domain selection
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#### Scenario: Denied or unavailable domain is hidden
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- **WHEN** the portal verify endpoint denies a domain, or the check errors
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- **THEN** that domain is not offered
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#### Scenario: Fallback object allows capture
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- **WHEN** the `domain:<code>` check denies but the `domain:idid` check
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allows
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- **THEN** the domain is offered
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#### Scenario: Cached result within the TTL
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- **WHEN** a session fetch occurs within 5 minutes of the last permission
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check for the operator
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- **THEN** the cached permitted-domain list is served without calling the
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portal verify endpoint
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#### Scenario: Re-check after the TTL
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- **WHEN** a session fetch occurs after the 5-minute cache period has
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elapsed
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- **THEN** all catalog domains are re-checked and the list reflects current
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permissions
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#### Scenario: No permitted domains
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- **WHEN** no catalog domain is permitted for the operator
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- **THEN** the wizard explains they are not permitted to capture
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fingerprints for any domain and offers no capture UI
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### Requirement: Manual refresh of permitted domains
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The wizard SHALL offer a refresh control for the permitted-domain list that
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stays disabled until the 5-minute cache period since the last check has
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elapsed. Using it SHALL call the app's force-refresh endpoint, update the
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offered domains, and update the displayed last-checked time; a refresh
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refused because the cache is still fresh SHALL leave the current list and
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state unchanged.
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#### Scenario: Refresh control locked while the cache is fresh
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- **WHEN** fewer than 5 minutes have passed since the permitted-domain set
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was last checked
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- **THEN** the refresh control is disabled
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#### Scenario: Refresh after the cache elapses
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- **WHEN** the cache period has elapsed and the operator uses the refresh
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control
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- **THEN** the wizard calls the force-refresh endpoint and the offered
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domains update to the re-checked result
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#### Scenario: Refused refresh leaves state unchanged
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- **WHEN** a refresh request is refused because the cache is still fresh
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- **THEN** the wizard keeps the current domain list and selection
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### Requirement: Enrollment captures via fpagent
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The wizard SHALL capture fingerprints through fpagent at the URL provided by
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the session endpoint, emitting `fprint-enroll` with the session's PocketBase
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token, the selected domain code, the finger name, and the staff reference. It
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SHALL display capture progress from `fprint-enroll-status` events, record the
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returned fingerprint template, image, and enrollment id on
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`fprint-enroll-done` with `ok: true`, and surface the failure message and
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return to idle on `ok: false`. The wizard SHALL offer cancellation of an
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in-flight capture (emitting `fprint-enroll-stop`), SHALL prevent starting a
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capture while another is in flight (fpagent serves one enrollment at a time),
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and SHALL display the agent version reported on connect.
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#### Scenario: Successful capture
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- **WHEN** the operator starts a capture for a finger and fpagent reports
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`fprint-enroll-done` with `ok: true`
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- **THEN** the wizard records the fingerprint, image, and enrollment id for
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that finger and displays the enrollment id
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#### Scenario: Failed capture
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- **WHEN** fpagent reports `fprint-enroll-done` with `ok: false`
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(authentication failed, authorization unavailable, not authorized, or
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capture failed)
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- **THEN** the wizard shows the failure message and returns to the idle
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state without recording artifacts
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#### Scenario: Cancel in-flight capture
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- **WHEN** the operator cancels a capture in progress
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- **THEN** the wizard emits the stop event and returns to the idle state
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#### Scenario: No concurrent captures
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- **WHEN** a capture is in flight
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- **THEN** the capture controls for both fingers are disabled until it
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completes or is cancelled
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### Requirement: Two-finger enrollment flow
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The wizard SHALL enroll a profile by: selecting a permitted domain, looking
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up staff by reference (OTP-validated through the a2loft proxy), displaying
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the staff details, capturing the right thumb and right index finger, and
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saving both fingerprints through the a2loft proxy with an OTP. The wizard
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SHALL offer per-finger recapture until save, SHALL require both fingers
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before save, and SHALL reset domain-independent state (reference, staff
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details, captured artifacts) when starting a new enrollment.
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#### Scenario: Complete enrollment
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- **WHEN** the operator looks up staff, captures both fingers, and saves
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with an OTP
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- **THEN** both fingerprints are saved through the a2loft proxy and the
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wizard reports success
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#### Scenario: Save requires both fingers
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- **WHEN** the operator attempts to save with only one finger captured
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- **THEN** the wizard rejects the save and explains both fingers are
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required
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#### Scenario: New enrollment resets state
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- **WHEN** the operator starts a new enrollment after a save
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- **THEN** the reference, staff details, and captured finger artifacts are
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cleared while the permitted domain list persists
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### Requirement: OTP validated on every a2loft call
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The wizard SHALL collect an OTP for each a2loft call — staff lookup and
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fingerprint save — and pass it to the same-origin proxy; a2loft validates it.
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Submission SHALL be blocked while the OTP is missing.
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#### Scenario: Lookup with OTP
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- **WHEN** the operator submits a reference with an OTP
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- **THEN** the wizard calls the staff-lookup proxy with that OTP and
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displays the returned staff details
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#### Scenario: Save requires a fresh OTP
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- **WHEN** the operator saves the captured fingerprints
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- **THEN** the wizard sends the OTP entered for the save call
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#### Scenario: Missing OTP blocks submission
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- **WHEN** the OTP field is empty for a lookup or save
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- **THEN** the corresponding submit control is disabled
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