Three new panels comparing employment income to investment returns over
time, via Grafana's -- Mixed -- datasource (salary lives in payslip_ingest,
portfolio in wealthfolio_sync — separate DBs, so per-target datasources):
- cumulative net take-home pay vs cumulative market gain (line race)
- net pay vs market gain per year (grouped bars)
- net pay vs market gain per month (grouped bars)
Inserted after the "Growth over time" panel; existing panels shifted down,
full-width tables remain at the bottom.
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