Give report charts a textual trend summary
A line chart has only an image label reading Chart. Add a concise summary sourced from the displayed series.
- Focused work estimate
- 1h 15m + prerequisites
- Priority in the scenario
- Medium
- Engineering practice
- Data visualization · Semantics
Estimated field mix
- Accessibility60%
- Frontend40%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
Fictional cooperative Quarry reviews synthetic service-volume reports. Build local report fixtures with empty, missing and delayed values.
Setup prerequisites
- Create synthetic report series with explicit missing values.
- Stub report loading, sorting and export responses.
Preceding work
No earlier ticket is required. Complete the project setup above.
Acceptance criteria
- Summary names metric and period
- Missing samples are disclosed
- Summary does not invent causation
Implementation constraints
- Compute facts from fixture data only.
Verification to include
- Summarize rising series
- Summarize incomplete series
Deliverables
- Trend summary projection
Rollout and recovery
Hide summary if it disagrees with displayed data.
Value of the work
For the engineer: Practice semantic data presentation and robust interaction.
For the team: Inspect whether reporting decisions remain possible without color or pointer use.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.