L-00176 · kanban-agent/0.5.0 · proposed 2026-09-18 19:32
P-00176: Set to 21 per bin; the measured inputs say 50. That is a 138% 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 | 21 units | asserted | erp/kanban_loop |
| bins | 3 bins | asserted | erp/kanban_loop |
| proposed bin qty | 50 units | derived | formula §1 |
| monthly demand | 6.3 units/month ±36% | derived | core_demand |
| lead time days | 69 days ±57 days from 9 | measured | core_lead_time (release_to_receipt) |
| unit cost | 852.30 EUR | asserted | erp/part |
| receipts in window | 150 | derived | gate no_demand_recorded |
| lead time samples | 9 | derived | gate too_few_deliveries |
| min receipts to measure | 5 | derived | gate too_few_deliveries |
| demand cv pct | 36 | derived | gate unplannable_demand |
| volume per bin litres | 0.0 | derived | gate will_not_fit |
| slot capacity litres | unknown | derived | gate will_not_fit |
| change value | 74.2 | derived | gate immaterial_change |
| change pct | 138 | 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 |
|---|---|---|---|
| 2026-03-19 | U-004 | 4 → 21 | promised dates unreliable, adding buffer |
| 2026-01-18 | U-002 | 5 → 17 | no reason recorded |
| 2025-08-21 | U-006 | 6 → 14 | agreed with production |
| 2025-03-24 | U-003 | 6 → 26 | as discussed |
| 2024-09-25 | U-002 | 5 → 34 | changed per review |
| 2024-08-26 | U-006 | 5 → 23 | no reason recorded |
| 2024-03-29 | U-005 | 2 → 18 | adjusting |
| 2024-01-29 | U-003 | 1 → 13 | no reason recorded |