- New pure StageAnalytics.TimeInStage: median days jobs have spent in
each active pipeline stage (entry time from the last StatusChanged
event into that stage, else applied date). Closed/success stages
excluded since 'how long stuck' only applies to actionable stages.
- analytics-overview now derives the funnel from JobPipeline (includes
the previously-omitted Waiting stage, normalizes legacy spellings) and
returns TimeInStage.
- 4 unit tests; full backend suite green (124).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
cesnimda