- Implement `StageTargetCaptureSession` for managing target capture sessions with throw and set down positions. - Create `StageTerrainPainter` for terrain drag painting and overlap classification with stroke preview. - Introduce `StageThemeController` to handle theme values and resource loading for the Sandbox Stage. - Develop `StageRuleEngine` for runtime event matching and collision bookkeeping. - Add `StageSpatialIndex` for broadphase stage lookups with advisory spatial indexing.
Documentation
guides/contains user guides and practical project workflows.architecture/describes implemented systems and maintained technical references.specs/contains feature specifications, including completed phase specs.ideas/contains the live backlog of future feature ideas.plans/contains accepted phase design briefs and active or future implementation plans.archive/preserves older project references and completed plan drafts.known_issues.mdtracks current bugs and deferred fixes.
Keep README.md and AGENTS.md at the repository root for project onboarding and implementation rules.
Architecture references
- Repository organization documents the feature-based folder layout, legacy content-path mapping, and serialized file-format compatibility contract.