P1: Shared FixtureDataManager (empty + populated) for cross-platform snapshots
InMemoryDataManager + Fixtures with deterministic data (fixed clock 2026-04-15,
2 residences, 8 tasks, 3 contractors, 5 documents). FixtureDataManager.empty()
and .populated() factories. Exposed to Swift via SKIE.
Expanded IDataManager surface (5 -> 22 members) so fixtures cover every
StateFlow and lookup helper screens read: myResidences, allTasks,
tasksByResidence, documents, documentsByResidence, contractors, residenceTypes,
taskFrequencies, taskPriorities, taskCategories, contractorSpecialties,
taskTemplates, taskTemplatesGrouped, residenceSummaries, upgradeTriggers,
promotions, plus get{ResidenceType,TaskFrequency,TaskPriority,TaskCategory,
ContractorSpecialty}(id) lookup helpers. DataManager implementation is a pure
override-keyword addition — no behavior change.
Enables P2 (Android gallery) + P3 (iOS gallery) to render real screens against
identical inputs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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