L-00093 · kanban-agent/0.5.0 · proposed 2026-09-18 19:32
P-00093: Set to 10 per bin; the measured inputs say 25. That is a 150% change — a different opinion about the part rather than a resize.
Relies on: Gate: too large unreviewed.
Would change my mind: A person confirming that a change this size is intended.
§11.2: every number is clickable to its provenance. Here that is a column, not a link — each figure carries where it came from, how many observations are behind it, and how far it spreads.
| fact | value | confidence | source |
|---|---|---|---|
| current bin qty | 10 units | asserted | erp/kanban_loop |
| bins | 3 bins | asserted | erp/kanban_loop |
| proposed bin qty | 25 units | derived | formula §1 |
| monthly demand | 3.8 units/month ±87% | derived | core_demand |
| lead time days | 170 days ±81 days from 8 | measured | core_lead_time (release_to_receipt) |
| unit cost | 1422.31 EUR | asserted | erp/part |
| receipts in window | 102 | derived | gate no_demand_recorded |
| lead time samples | 8 | derived | gate too_few_deliveries |
| min receipts to measure | 5 | derived | gate too_few_deliveries |
| demand cv pct | 87 | derived | gate unplannable_demand |
| volume per bin litres | 10.5 | derived | gate will_not_fit |
| slot capacity litres | 18.4 | derived | gate will_not_fit |
| change value | 64.0 | derived | gate immaterial_change |
| change pct | 150 | derived | gate immaterial_change |
§8.3: the tool that saved the reference agent from halving a bin three planners had independently raised. The sizing calculator does not read this table; the agent does.
| when | who | suggested → chosen | reason |
|---|---|---|---|
| 2025-10-20 | U-003 | 19 → 10 | long lead from Asia, need the cover |
| 2025-07-22 | U-001 | 18 → 6 | long lead from Asia, need the cover |
| 2024-11-24 | U-003 | 7 → 17 | single source — carrying more until second vendor is qualified |
| 2024-10-25 | U-004 | 8 → 12 | no reason recorded |
| 2024-07-27 | U-004 | 9 → 7 | no reason recorded |
| 2024-06-27 | U-005 | 9 → 5 | no reason recorded |
| 2024-01-29 | U-005 | 4 → 8 | no reason recorded |