CRITICAL fixes:
- C1: Add Client Component Boundary section to plan.md
- C2: Add Progressive Enhancement Strategy section to plan.md

HIGH fixes:
- U1: Clarify FR-021b exponential backoff (fixed 1s delay, single retry)
- C3: Add phase checkpoints to all phases in tasks.md
- G1/G3: Add validation tasks T090-T092 (usability, Lighthouse, performance)

MEDIUM fixes:
- U2: Define large number formatting thresholds (>=1M uses M, >=10K uses K)
- U3: Add mobile alternative for hover tooltips (tap/long-press)
- G2: Add T093 for SC-006 validation (2-second build load)
- I1: Move deferred tasks to Phase 11 section

LOW fixes:
- G4: Clarify T075 to include mode display in UI
- I2: Add FR-008a for optimistic UI updates
- I3: Add FR-037a for resource budget constraint

Constitution compliance verified.

- Updated Optimizer UI summary to reflect 93 tasks and 47 FRs
- Added analysis status line showing all 14 findings resolved
- Updated phase count to 11 (including deferred features)

- Add Vitest + React Testing Library for unit/integration tests
- Add Playwright for E2E testing
- Configure vitest.config.ts with jsdom environment
- Add test setup file with jest-dom matchers
- Add playwright.config.ts for E2E tests
- Create e2e directory for future E2E tests
- Add test scripts to package.json (test, test:run, test:coverage, test:e2e)
- Add example smoke test for Home page

- Add types.ts with TypeScript interfaces for optimization
- Add constants.ts with tier weights, resonance/CR tables
- Add resonance.ts for resonance calculations and threshold detection
- Add scoring.ts for priority score calculations
- Add resources.ts for resource constraint handling
- Add engine.ts with main optimize() function
- Add engine.test.ts with 15 passing unit tests

Algorithm: O(n log n) weighted greedy with tier multipliers
Power formula: (Resonance × 1.0 + CR × 2.0) × tierMultiplier × thresholdBonus × diminishingFactor

…opies

- Update ResourceInventory to use gemPower and copyInventory
- Update optimize-api.schema.json to v1.1.0 with correct fields
- Add data model correction warning callout
- Align spec with optimization engine implementation

- Update task count to 96 tasks total (62 MVP, 34 post-MVP)
- Mark 6 optimization engine tasks as already implemented
- Correct resource model: gemPower/copyInventory instead of platinum/pearls
- Add resonance.ts to already implemented files
- Update parallel execution groups for Phase 5
- Add screen reader announcement task (T091)
- Update version to 2.0.0 with new date

- Update FR-010 from 'Platinum, Telluric Pearls' to 'Gem Power and Gem Copy Inventory'
- Aligns spec.md with data-model.md and API contract v1.1.0
- Resolves D-01/A-01 findings from cross-artifact analysis

…ssions

- Researched three options: device fingerprinting, registration form, hybrid
- Chose localstorage uuid v4 with optional email opt-in
- Rejected fingerprinting due to gdpr concerns and 40-60% stability
- Rejected registration due to high friction and 20-30% abandonment
- Updated fr-029 to reflect simplified approach
- Updated data-model.md with anonymoussession entity
- Updated memory bank with architecture decision

- mark all phase 0 research items as resolved
- add t-04 research summary for session strategy decision
- update storage description to reflect server-side sessions
- add anonymous sessions to constitution check
- update data model section to include anonymoussession entity
- update api contracts section to include session endpoint
- add session management to source code structure

- Expand ResourceInventory model with full resource tracking (crests, crafting materials, awakening)
- Add AwakenedSlot, AcquisitionPath, and InventoryGem entities
- Add FR-047 to FR-054 for awakening management and resource deficit features
- Add rate-limited (HTTP 429) error handling to FR-021
- Add session invalidation handling (FR-029d)
- Add Advanced Strategies toggle for dormant 5-star infusion (FR-037b)
- Add 8 game data CSV files in docs/ for reference values
- Synchronize all spec artifacts to v2.0.0
- Update task count to 135 total tasks
- Add clarification session history for design decisions

….0.0

- Mark 34 items as RESOLVED based on spec.md v2.0.0 updates
- Update CHK062, CHK065, CHK066, CHK067 with resolution details
- Update Summary table with accurate counts (34 resolved, 36 open, 2 critical)
- List open critical items (CHK030, CHK031) and high-priority items
- Update version to 2.0.0 and date to 2026-02-17

- CHK030: Add task-based assessment criteria for SC-008 comprehension
- CHK031: Specify UI elements for US1-Acceptance-5 max capacity indication
- CHK001: Add FR-002a visual hierarchy requirements for gem catalog
- CHK002: Add FR-016b interaction state requirements (hover, focus, active, disabled, loading)
- CHK007: Add structured JSON error format to FR-011 with field-level codes

All critical items resolved. Open items reduced from 36 to 31.

- CHK038: Add FR-021e with per-error-type UI specs
- CHK041: Add resonance boundary values to edge case section
- CHK054: Update FR-045 with WCAG AA contrast ratios

All critical and high-priority items resolved.
Open items reduced from 31 to 28.

…ifications

- Add Constitution Check tables with pass/fail status
- Include Implementation Phases with completion status
- Add Key Decisions section with rationale
- Expand T112 testing criteria with assessment parameters
- Add UI specifications for FR-002a, FR-016b, FR-045
- Fix duplications in specify-rules.md

- Create type definitions (gem, optimization, build types)
- Add static gem database (gems.json) with 85 legendary gems
- Create utility functions (formatting, validation, sanitization)
- Add session management with localStorage UUID identification
- Create Drizzle SQLite schema for server-side persistence
- Add localStorage helpers for anonymous ID

Implements: T003-T012 of PROJ-002-optimizer-ui

- add Button, Card, Input, Select, Modal components (T013-T017)
- add GemCatalog, GemCard, GemSelector, GemDetail components (T018-T021)
- fix ESLint errors: useId() for unique IDs, simplified Input state
- all components support accessibility (ARIA, focus management)

- add slots.ts with slot config, validation, duplicate prevention (T022-T024, T026)
- add resonance.ts wrapper for UI components (T025)
- implement base/wing slot type derivation and validation
- implement wing slot unlocking via resonance thresholds
- add type conversion helpers between UI and optimization types

- create optimize page with gem catalog integration (T027-T032)
- add equipped gems display with quality/rank selectors (T028)
- add summary stats with resonance and wing slots display (T029)
- implement gem add/remove flow with optimistic updates (T030)
- add empty states for equipped gems panel (T031)
- includes mock gem data for development

- add ResourceInput component with debounced validation (T033-T037)
- create session API endpoints GET/POST for session persistence (T038-T039)
- integrate resource state with auto-persistence in optimize page (T040)
- add session invalidation handling with toast notification (T040a)
- export ResourceInventory and InventoryGem types from build.ts
- add database connection module with Drizzle ORM setup

- create optimize api route with typed error responses
- add request validation for gems and resources
- implement 30-second timeout per fr-022
- add typed error responses (400, 408, 422, 500) per fr-021

- create optimizationmodal with progress indicator (t054)
- add resultspanel for ranked recommendations (t055)
- create recommendationcard with expandable details (t056-t059)
- enhance skeleton grid with variant support

- create optimization error display components (t061-t063)
- add validation, insufficient-resources, timeout errors
- create useOptimize hook with retry and cancellation (t064-t066)
- implement offline error handling

- create screen reader announcer component (t068-t069)
- add awakened slots panel with toggle ui (t069a-t069b)
- create acquisition paths overview component (t069f)
- add resource deficit display (t069e)
- implement acquisition utilities with crafting rates (t069g-t069h)

- implement calculateAwakenedResonance with 10% bonus
- add awakened bonus breakdown helpers
- complete t069c and t069d (schema already had awakenedSlots)

- mark phases 1-5 as complete
- update current structure with implemented files
- add session history for 2026-02-18

…tionality

- T100a: add advanced strategies toggle (default: off) to optimization controls (FR-037b)
- T100b: implement dormant 5-star gem infusion recommendations in optimization engine
- T100c: create InfusionRecommendationCard component for displaying infusion paths
- T105: create useOptimisticUpdate hook with automatic rollback on failure (FR-008a)
- T106: create useMultiTabSync hook using BroadcastChannel API for cross-tab conflict detection

The htmlEscapeMap was incorrectly mapping special characters to themselves
instead of proper html entities, leaving the application vulnerable to xss
attacks.