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STATE - Access/Profile/Subscription Envelope

DomainsDOL EnglishProduct1.267 words6 min read
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Current truth

Phần tiêu đề “Current truth”

DOL English web V2 baseline uses a single-user, email-identity account model with a three-tier package taxonomy and clear boundary between paid-practice access and separately purchased courses.

Rules

Phần tiêu đề “Rules”
  • Account/profile baseline:
    • one account maps to one standard user profile in DOL English scope,
    • no parent/child household profile model in this scope baseline.
  • Profile visibility baseline:
    • default mode is private:
      • profile is not publicly visible until user explicitly enables sharing.
    • when user enables public sharing, minimal public profile can include:
      • display name,
      • avatar,
      • high-level community badges/streak,
      • aggregate practice progress signals approved by user.
    • sensitive fields remain private-by-default:
      • email,
      • phone,
      • date of birth,
      • payment methods,
      • billing details,
      • social links,
      • recovery/security details.
  • Identity model:
    • account login is email-based:
      • 1 primary email,
      • 0..2 verified login emails can be used as additional login identifiers,
    • phone is non-auth contact data and may be absent until user adds it or a paid flow requires it,
    • duplicate accounts remain separated (no merge/transfer),
    • user can self-link extra login methods inside account settings.
    • social account can operate without phone (phone remains optional and nudged later).
  • Tier taxonomy baseline:
    • Free
    • Pro
    • Pro Max
  • Tier entitlement baseline:
    • Free:
      • can attempt all exercises,
      • can use non-AI features,
      • can view Reading/Listening score,
      • can view basic Writing/Speaking score,
      • cannot use Writing/Speaking AI detail grading and AI explanations.
    • Pro:
      • unlimited Reading/Listening practice,
      • unlimited Writing/Speaking attempt with basic scoring,
      • Writing/Speaking advanced AI detail remains locked in Pro baseline,
      • Pro Linearthinking explanation for Reading/Listening,
      • access to core special features (Practice Management, learning stats, vocabulary notebook),
      • no advanced AI credit included.
    • Pro Max:
      • unlimited practice across all 4 skills,
      • includes AI credits for advanced features.
      • advanced AI behavior is credit-based (not unlimited advanced AI consumption).
  • Purchase boundary:
    • courses are bought separately (a la carte),
    • Pro/Pro Max are paid-practice tiers,
    • course purchase requirement is not replaced by Pro/Pro Max.
  • Payment lifecycle baseline:
    • supported cycles:
      • monthly auto-renew,
      • annual 12-month auto-renew,
      • one-time 3/6-month non-renew.
    • one-time savings comparison basis:
      • 6-month compares to 3-month.
    • supported methods:
      • card,
      • Momo,
      • bank QR/chuyen khoan (one-time only).
    • if auto-renew plan (monthly/annual) is purchased while one-time is still active:
      • auto-renew plan starts after one-time expiry.
    • monthly/annual cancel is effective at cycle end.
    • tier switching baseline:
      • upgrade to higher tier is immediate with prorated charge for remaining cycle,
      • downgrade to lower tier applies at next cycle (no partial mid-cycle refund),
      • one-time pass does not support mid-cycle downgrade/cancel refund.
  • Course vs subscription entitlement:
    • course purchase does not require Pro/Pro Max,
    • context-bound entitlement is default:
      • course context follows course entitlement,
      • self-study context follows tier entitlement.
    • same-item exception:
      • item touched in course can be opened in self-study view.
    • course learner AI usage:
      • monthly-refill course credit is provided,
      • when exhausted, user can top-up directly without Pro Max requirement.
    • post-course:
      • course exercises remain accessible,
      • remaining course credits/top-up are retained indefinitely,
      • retained credits remain usable only for exercises of that course.
  • Goal/profile requirement policy:
    • goal is optional globally,
    • paid flow does not require goal completion,
    • paid flow does not require learning-profile completion,
    • if goal is missing and user dismisses/ignores goal nudge >=3 times in rolling 14 days:
      • enter goal_nudge_soft_snooze for 14 days,
      • suppress popup-style goal nudge during soft-snooze,
      • keep inline-only reminder at valid touchpoints.
    • soft-snooze exits early when user opens goal editor or saves goal,
    • required checkout data is payment-related only,
    • checkout is protected: guest user must sign in before checkout begins,
    • checkout completion for Pro/Pro Max and course purchase requires verified email + phone contact,
    • phone does not require OTP verification and is not treated as login/recovery channel,
    • checkout blocker preserves selected package/cycle/context and resumes at same step after inline phone update,
    • checkout does not require additional goal/profile completion.
  • Scope boundary:
    • parent/child household and StudentCode/PIN are Product KID scope, not DOL English active scope.
  • Paywall and checkout baseline:
    • free users tapping locked AI features are routed to upgrade/payment entry,
    • upgrade starts from quick-popup with feature-dependent offer set:
      • if feature is Pro-eligible: show Pro and Pro Max,
        • wait for explicit user package choice before moving to checkout,
      • if feature is Pro Max-only: show only Pro Max,
    • quick-popup includes link to package detail page,
    • quick-popup preselects minimum eligible package by feature requirement (Pro if enough, otherwise Pro Max),
    • fast-path to next checkout step is applied without unnecessary waiting,
    • one shared checkout flow supports quick package selection and optional detail-first review.
    • this entry behavior also applies when lock is reached from Home CTA tied to AI feature:
      • show locked state first,
      • unlock action opens quick-popup upgrade flow.
    • recommendation surfaces keep upgrade non-coercive:
      • no forced upgrade gate from browsing recommendations,
      • locked recommendation teaser is optional and capped by recommendation policy.
  • Payment-profile milestone handling:
    • payment milestone is visible for all users,
    • payment milestone is weighted in profile completion,
    • optional prefill before paid flow is accepted when provided.
  • Post-payment return baseline:
    • from landing/exploration context -> return to prior page + success welcome popup,
    • from in-exercise context -> reload current attempt/result page and unlock paid features immediately.
    • do not force feature-tour before user can continue originating action.
  • Post-submit result flow baseline:
    • all users are routed to result page after submission,
    • result page shows AI-loading state while AI scoring is pending,
    • one shared result UI is used across tiers,
    • entitlement decides section lock/unlock,
    • free users see AI-scored sections as locked until upgrade.
  • Top-up lock rule:
    • purchased top-up balance is retained,
    • usage is blocked when user is outside eligible entitlement context.
    • if user downgrades Pro Max -> Pro, remaining AI credit is retained but usage remains locked for out-of-entitlement features.
    • retained-but-usage-locked state is visible in Result and Billing/Subscription surfaces.
  • AI credit fairness:
    • reopen of same scored result does not consume extra credit,
    • credit charge is once per scoring job/result,
    • system AI-scoring failure triggers auto-refund of consumed credit.
  • Refund baseline:
    • no self-serve refund in current active scope,
    • refund is handled by support/manual policy only.
  • Mid-attempt entitlement safety:
    • entitlement/credit loss during attempt does not block submission,
    • lock is applied at result-section level with upgrade/top-up entry.
  • Contact and recovery safeguards:
    • local-password setup for social account requires verified email,
    • email change: re-auth -> current primary email OTP -> new email OTP,
    • phone change: re-auth -> current primary email OTP -> update phone contact,
    • successful email/phone changes send security alert to prior primary email,
    • no post-change hold window,
    • contact change cooldown:
      • email: 1/24h,
      • phone: 1/7 days.
  • Metric counting baseline:
    • all submitted exercises count into learning metrics regardless of tier.

Decision trace

Phần tiêu đề “Decision trace”
  • DEC-0032
  • DEC-0044
  • DEC-0034
  • DEC-0035
  • DEC-0036
  • DEC-0047
  • DEC-0048
  • DEC-0049
  • DEC-0050
  • DEC-0057
  • DEC-0058
  • DEC-0046
  • DEC-0040
  • DEC-0011
  • DEC-0008
  • DEC-0059
  • DEC-0060
  • DEC-0061
  • DEC-0065
  • DEC-0067
  • DEC-0074
  • DEC-0081
  • DEC-0077
  • DEC-0094