{ "policy": { "version": 5, "patterns": { "version": 1, "method": "CURATED_PRACTICE_TOPIC", "notice": "Pattern topics identify design choices to practice. Read the ticket's acceptance criteria and justify the simplest suitable approach. Tags are not capability or ownership evidence; an untagged ticket has no curated pattern topic assigned." }, "fieldMix": { "version": 1, "method": "CURATED_ESTIMATE", "notice": "Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence." }, "contentStatus": "PRACTICE_BRIEF", "assessmentStatus": "NOT_QUALIFIED", "evidenceUse": "NONE", "aiPolicy": "AI tools are welcome during implementation. Record assumptions, review the result, and verify its behavior.", "notice": "Fictional engineering practice briefs. Starter repositories, fixtures, automated grading, and verified ownership are not included.", "outcomeEvidence": "Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.", "ownershipEvidence": "Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence." }, "patternTopics": [ { "id": "factory-method", "label": "Factory Method", "group": "Creational" }, { "id": "abstract-factory", "label": "Abstract Factory", "group": "Creational" }, { "id": "builder", "label": "Builder", "group": "Creational" }, { "id": "prototype", "label": "Prototype", "group": "Creational" }, { "id": "singleton", "label": "Singleton", "group": "Creational" }, { "id": "adapter", "label": "Adapter", "group": "Structural" }, { "id": "bridge", "label": "Bridge", "group": "Structural" }, { "id": "composite", "label": "Composite", "group": "Structural" }, { "id": "decorator", "label": "Decorator", "group": "Structural" }, { "id": "facade", "label": "Facade", "group": "Structural" }, { "id": "flyweight", "label": "Flyweight", "group": "Structural" }, { "id": "proxy", "label": "Proxy", "group": "Structural" }, { "id": "chain-of-responsibility", "label": "Chain of Responsibility", "group": "Behavioral" }, { "id": "command", "label": "Command", "group": "Behavioral" }, { "id": "interpreter", "label": "Interpreter", "group": "Behavioral" }, { "id": "iterator", "label": "Iterator", "group": "Behavioral" }, { "id": "mediator", "label": "Mediator", "group": "Behavioral" }, { "id": "memento", "label": "Memento", "group": "Behavioral" }, { "id": "observer", "label": "Observer", "group": "Behavioral" }, { "id": "state", "label": "State", "group": "Behavioral" }, { "id": "strategy", "label": "Strategy", "group": "Behavioral" }, { "id": "template-method", "label": "Template Method", "group": "Behavioral" }, { "id": "visitor", "label": "Visitor", "group": "Behavioral" }, { "id": "ports-and-adapters", "label": "Ports and Adapters", "group": "Architectural" }, { "id": "cqrs", "label": "CQRS", "group": "Architectural" }, { "id": "strangler-fig", "label": "Strangler Fig", "group": "Architectural" }, { "id": "saga", "label": "Saga", "group": "Distributed and reliability" }, { "id": "transactional-outbox", "label": "Transactional Outbox", "group": "Distributed and reliability" }, { "id": "circuit-breaker", "label": "Circuit Breaker", "group": "Distributed and reliability" }, { "id": "bulkhead", "label": "Bulkhead", "group": "Distributed and reliability" } ], "projects": [ { "id": "628e43ab-fe14-4972-af76-e17a61493695", "key": "CCAL", "title": "An accessible staffing calendar", "field": "Accessibility", "summary": "Make scheduling interactions operable with keyboard, magnification and assistive technology.", "context": "Fictional studio Loom assigns editorial shifts. Build synthetic shifts and a local scheduling adapter; no real staff records are used.", "stack": [ "React", "TypeScript", "CSS Modules", "Playwright" ], "prerequisites": [ "Create synthetic shifts including overlaps and daylight-saving boundaries.", "Implement a local schedule revision adapter." ], "developerValue": "Practice focus models and accessible alternatives for spatial interfaces.", "companyValue": "Inspect whether scheduling remains usable across input methods and failure states.", "delivery": "Record automated checks and a manual protocol; do not claim accessibility certification.", "phases": [ { "id": "reading", "title": "Read the schedule", "goal": "Provide meaningful structure and labels." }, { "id": "editing", "title": "Operate shifts", "goal": "Support alternatives and stable focus." }, { "id": "review", "title": "Verify adaptive use", "goal": "Handle zoom, motion and assistive feedback." } ], "tickets": [ { "id": "b4ac3526-4e47-4fdb-a7e4-51710ec81c1e", "key": "CCAL-101", "title": "Name staffing shifts independently of calendar color", "type": "BUG", "priority": "HIGH", "difficulty": "FOUNDATIONAL", "estimateMinutes": 60, "phaseId": "reading", "dependsOn": [], "scenario": "Shift type is conveyed only by blue or green blocks. Add visible labels and complete accessible names.", "acceptanceCriteria": [ "Type appears as text", "Names include date and duration", "Color remains optional reinforcement" ], "implementationNotes": [ "Do not concatenate decorative icon names." ], "verification": [ "Inspect two shift types", "Disable color and distinguish them" ], "deliverables": [ "Shift label component and checks" ], "rollout": "Restore text-only blocks if labels become ambiguous.", "skills": [ "Semantics", "Accessible names" ], "fieldMix": [ { "field": "Accessibility", "percentage": 80 }, { "field": "Frontend", "percentage": 20 } ], "patterns": [] }, { "id": "ad818a2e-4906-4a2e-a1aa-df37445a6808", "key": "CCAL-102", "title": "Provide a chronological agenda beside the staffing grid", "type": "STORY", "priority": "MEDIUM", "difficulty": "INTERMEDIATE", "estimateMinutes": 120, "phaseId": "reading", "dependsOn": [ "CCAL-101" ], "scenario": "Screen-reader users must traverse many empty calendar cells to find shifts. Offer an equivalent agenda view.", "acceptanceCriteria": [ "Agenda lists all visible shifts", "Dates are headings", "View switch retains selected date" ], "implementationNotes": [ "Both views use one data projection." ], "verification": [ "Compare grid and agenda identities", "Render an empty week" ], "deliverables": [ "Agenda view and equivalence checks" ], "rollout": "Keep agenda available if grid navigation is withdrawn.", "skills": [ "Information architecture", "Accessibility" ], "fieldMix": [ { "field": "Accessibility", "percentage": 70 }, { "field": "Frontend", "percentage": 30 } ], "patterns": [] }, { "id": "0f8e3896-3137-436f-947f-7dcb03af8f98", "key": "CCAL-103", "title": "Describe staffing time-zone changes explicitly", "type": "TASK", "priority": "MEDIUM", "difficulty": "FOUNDATIONAL", "estimateMinutes": 75, "phaseId": "reading", "dependsOn": [ "CCAL-101" ], "scenario": "The calendar silently changes times when the display zone changes. Show zone context without announcing every cell.", "acceptanceCriteria": [ "Header identifies display zone", "Shift detail exposes full date/time", "Zone change has one status announcement" ], "implementationNotes": [ "Store instants independently from labels." ], "verification": [ "Change zone and inspect detail", "Use ambiguous clock time fixture" ], "deliverables": [ "Zone labels and manual reading protocol" ], "rollout": "Fix display to documented UTC if conversion fails.", "skills": [ "Time", "Live regions" ], "fieldMix": [ { "field": "Accessibility", "percentage": 70 }, { "field": "Frontend", "percentage": 30 } ], "patterns": [] }, { "id": "6b6aa958-5a50-439e-8524-2655136de1e0", "key": "CCAL-104", "title": "Move staffing shifts through a keyboard form", "type": "STORY", "priority": "HIGH", "difficulty": "INTERMEDIATE", "estimateMinutes": 150, "phaseId": "editing", "dependsOn": [ "CCAL-102", "CCAL-103" ], "scenario": "Dragging is the only way to move a shift. Add date/time controls with equivalent validation.", "acceptanceCriteria": [ "Every draggable shift has Move action", "Form and drag share validation", "Cancel preserves the shift" ], "implementationNotes": [ "The form must not require pointer gestures." ], "verification": [ "Move using keyboard", "Submit overlapping invalid shift" ], "deliverables": [ "Move form and equivalence cases" ], "rollout": "Disable dragging if it diverges from the form contract.", "skills": [ "Keyboard", "Forms" ], "fieldMix": [ { "field": "Accessibility", "percentage": 60 }, { "field": "Frontend", "percentage": 40 } ], "patterns": [] }, { "id": "43ef9cfd-783b-4937-8469-9aaab5dc73c9", "key": "CCAL-105", "title": "Restore staffing focus after a shift is deleted", "type": "BUG", "priority": "HIGH", "difficulty": "ADVANCED", "estimateMinutes": 165, "phaseId": "editing", "dependsOn": [ "CCAL-104" ], "scenario": "Deleting a selected block sends focus to the document body. Choose a predictable surviving target.", "acceptanceCriteria": [ "Next chronological shift receives focus", "Empty day focuses its heading control", "Failed deletion retains original focus" ], "implementationNotes": [ "Resolve targets after committed DOM updates." ], "verification": [ "Delete middle shift", "Reject deletion and inspect focus" ], "deliverables": [ "Focus resolver and deletion checks" ], "rollout": "Keep deleted-row placeholder temporarily if focus restoration fails.", "skills": [ "Focus management", "Async UI" ], "fieldMix": [ { "field": "Accessibility", "percentage": 70 }, { "field": "Frontend", "percentage": 30 } ], "patterns": [] }, { "id": "d77ad343-de27-4799-bd8d-f441ce4c84aa", "key": "CCAL-106", "title": "Announce staffing conflicts without repeating the entire calendar", "type": "BUG", "priority": "MEDIUM", "difficulty": "INTERMEDIATE", "estimateMinutes": 120, "phaseId": "editing", "dependsOn": [ "CCAL-104" ], "scenario": "A revision conflict rerenders the grid and reads dozens of cells. Isolate a concise conflict message and resolution controls.", "acceptanceCriteria": [ "Conflict identifies affected shift", "Draft remains available", "Calendar content is not a live region" ], "implementationNotes": [ "Announcements must not reveal unrelated staff data." ], "verification": [ "Trigger one conflict", "Retry failure and check announcement count" ], "deliverables": [ "Conflict status region" ], "rollout": "Disable auto-refresh announcements if they repeat.", "skills": [ "Live regions", "Error handling" ], "fieldMix": [ { "field": "Accessibility", "percentage": 60 }, { "field": "Frontend", "percentage": 40 } ], "patterns": [] }, { "id": "61498424-8b97-4400-b6da-2b4f4017da3a", "key": "CCAL-107", "title": "Support calendar navigation across removed and disabled shifts", "type": "TASK", "priority": "HIGH", "difficulty": "EXPERT", "estimateMinutes": 240, "phaseId": "editing", "dependsOn": [ "CCAL-105", "CCAL-106" ], "scenario": "Roving focus points at a disabled shift after refresh. Define deterministic navigation across changing eligible targets.", "acceptanceCriteria": [ "Only one navigation tab stop exists", "Disabled targets are skipped", "Removed focus resolves predictably" ], "implementationNotes": [ "Document arrow-key behavior without overriding text inputs." ], "verification": [ "Navigate mixed availability", "Remove current target during refresh" ], "deliverables": [ "Navigation model and transition cases" ], "rollout": "Switch to ordinary tab stops while repairing the model.", "skills": [ "Keyboard", "State machines" ], "fieldMix": [ { "field": "Accessibility", "percentage": 70 }, { "field": "Frontend", "percentage": 30 } ], "patterns": [] }, { "id": "49af2492-d237-49ea-96c6-89321122a5d4", "key": "CCAL-108", "title": "Reflow staffing controls at high text zoom", "type": "BUG", "priority": "MEDIUM", "difficulty": "INTERMEDIATE", "estimateMinutes": 120, "phaseId": "review", "dependsOn": [ "CCAL-102", "CCAL-107" ], "scenario": "At 200 percent text size the week selector hides Add shift. Reflow controls while keeping date context.", "acceptanceCriteria": [ "Controls wrap without clipping", "Agenda avoids horizontal document overflow", "Focus remains visible" ], "implementationNotes": [ "Horizontal grid scrolling may remain within a labeled region." ], "verification": [ "Check enlarged text in agenda", "Check long synthetic shift labels" ], "deliverables": [ "CSS changes and viewport evidence" ], "rollout": "Prefer agenda on constrained layouts if grid controls fail.", "skills": [ "Responsive design", "CSS" ], "fieldMix": [ { "field": "Accessibility", "percentage": 60 }, { "field": "Frontend", "percentage": 40 } ], "patterns": [] }, { "id": "d8b5212f-a49a-4886-aeb9-5c9b6a522778", "key": "CCAL-109", "title": "Remove nonessential motion from staffing date transitions", "type": "CHORE", "priority": "LOW", "difficulty": "FOUNDATIONAL", "estimateMinutes": 60, "phaseId": "review", "dependsOn": [ "CCAL-103" ], "scenario": "Animated week slides make date navigation uncomfortable for some users. Respect reduced motion while preserving orientation.", "acceptanceCriteria": [ "Reduced motion skips sliding", "Date heading still updates", "Focus and selection remain stable" ], "implementationNotes": [ "Do not use animation completion as business logic." ], "verification": [ "Toggle reduced-motion preference", "Navigate rapidly during transition" ], "deliverables": [ "Motion styles and interaction case" ], "rollout": "Disable transitions globally if state depends on them.", "skills": [ "Reduced motion", "CSS" ], "fieldMix": [ { "field": "Accessibility", "percentage": 70 }, { "field": "Frontend", "percentage": 30 } ], "patterns": [] }, { "id": "447e7e78-9f3d-4bcb-ae97-030dfe52c4b0", "key": "CCAL-110", "title": "Audit staffing calendar semantics in a reproducible manual walkthrough", "type": "CHORE", "priority": "MEDIUM", "difficulty": "ADVANCED", "estimateMinutes": 180, "phaseId": "review", "dependsOn": [ "CCAL-107", "CCAL-108", "CCAL-109" ], "scenario": "Automated checks pass but the team lacks a repeatable reading and editing protocol. Write and execute a bounded walkthrough.", "acceptanceCriteria": [ "Protocol covers agenda and grid", "Keyboard outcomes are recorded", "Failures include concrete reproduction steps" ], "implementationNotes": [ "Report tested browser and assistive tool versions, not certification." ], "verification": [ "Complete one shift move", "Exercise conflict and empty-week paths" ], "deliverables": [ "Manual audit record with unresolved findings" ], "rollout": "Reopen failed behaviors before widening the calendar pilot.", "skills": [ "Accessibility testing", "Documentation" ], "fieldMix": [ { "field": "Accessibility", "percentage": 60 }, { "field": "Quality engineering", "percentage": 40 } ], "patterns": [] } ] } ] }