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George Jabbour
## Summary
Two UX improvements for fast match entry during playtesting sessions:
  1. Opponent Session Deck Pinning
    - Pin opponent's deck/archetype for a session (like user's deck pin)
  2. Auto-Open New Row Preference
    - Toggle to auto-open new form row after submitting
---
## Feature 1: Opponent Session Deck Pinning
Current:
Users can pin their OWN deck as a "session deck" that pre-populates new match forms.
Requested:
Also allow pinning the OPPONENT's deck/archetype. Useful when testing against the same deck repeatedly.
Affected Files:
  • apps/frontend/src/contexts/session-deck-context.tsx
    - Add
    sessionOpponentDeck
    state,
    setSessionOpponentDeck()
    ,
    isSessionOpponentDeck()
    methods. Add second sessionStorage key.
  • apps/frontend/src/components/matches/forms/InlineMatchFormRow.tsx
    (lines 329-348) - Pass
    onSetSessionDeck
    and
    isSessionDeck
    props to opponent's DeckArchetypeSelect component.
  • apps/frontend/src/components/matches/hooks/useInlineMatchForm.ts
    (lines 62-88, 148-163) - Update
    createInitialFormState()
    and sync effect to pre-populate opponent fields from session.
---
## Feature 2: Auto-Open New Row Preference
Current:
Form closes after submit. User clicks "Add Match" again for next entry.
Requested:
Toggle to keep form open after submit. New form appears with session decks preserved.
Affected Files:
  • apps/frontend/src/components/matches/tables/inline-matches-table.tsx
    (lines 89, 117-120) - Add
    autoOpenNext
    state with localStorage persistence. Modify
    handleFormSuccess()
    to conditionally keep
    isAdding
    true.
---
## Acceptance Criteria
Feature 1:
  • [ ] Pin button appears in opponent's DeckArchetypeSelect
  • [ ] Session opponent deck persists in sessionStorage
  • [ ] New forms pre-populate opponent field from session
  • [ ] Visual indicator when opponent deck is pinned
Feature 2:
  • [ ] Toggle near "Add Match" button or in form actions
  • [ ] When enabled, new form opens after submit
  • [ ] Session deck values preserved in new form
  • [ ] Opponent name input auto-focused
  • [ ] Preference persists in localStorage
  • [ ] Default: OFF
---
## Questions
  1. Auto-open toggle placement: Next to "Add Match" button or in form row actions?
  2. Should mobile sheet also support auto-open?
  3. Different icon/color for opponent session deck indicator?
---
## Estimated Complexity: S-M (3-5 hours)
  • Feature 1: ~2-3 hours (context + component changes)
  • Feature 2: ~1-2 hours (state + localStorage + UI)