znetsixe f18f3cc673 feat(mgc-dashboard): -1 OFF sentinel on per-pump % control chart ...

fn_chart_pump_a/b/c now emit -1 on the ctrl output when the cached pump
state is off/idle/maintenance, instead of the residual ctrl% (which would
sit at 0 and be indistinguishable from a pump genuinely running at 0%).
ui_chart_pumps_ctrl ymin set to -5 so the OFF rail is visible below the
0-100 band.

Adds test/integration/per-pump-ctrl-fanout.integration.test.js covering
both chart outputs of all three pumps in populated (running), OFF
(off/idle/maintenance), and degraded (missing state/ctrl/flow, pre-tick,
NaN, ctrl-only delta) states per .claude/rules/output-coverage.md. Updates
test/_output-manifest.md to document the previously-undocumented per-pump
fan-out functions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-27 18:16:50 +02:00

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