Agent A: 5% bulk discount over $100

[RollNuts]

Adds a 5% bulk discount inside calculate_total (the discount section of orders/pricing.py). Standalone python -m pytest -q → 7 passed. Part of the fresh canonical collision demo (leader).

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[veripsa-core]

Veripsa — heading to main

⏸ Wait in line — a direct collision is ahead

⏸ Veripsa paused this — you are in a real coupling with other in-flight work. To proceed, add the veripsa-ack label (an agent can run gh pr edit --add-label veripsa-ack; a human can click it), or wait for the other PR(s) to land and this clears automatically. Adding the label records your acknowledgement of THIS specific coupling snapshot — it is NOT an approval and NOT a pardon: you are stating "I have seen this coupling and am proceeding deliberately", not "this PR is correct". If the coupling later changes, Veripsa pauses again until you re-acknowledge the new snapshot. Veripsa records who acknowledged which coupling — it does not assert correctness. (This check is neutral by default. If you have marked the Veripsa check required in branch protection, this pause is what holds the merge until you ack — your branch-protection policy is the enforcer.)

This PR reserves: orders/pricing.py, tests/test_pricing.py

Land in order. You collide in calculate_total (in orders/pricing.py) — that's the same code, not just the same file. You are queued behind GH-RollNuts PR-14. Landing in this order means you rebase onto their change once — not redo work after both land out of order. When the change ahead lands or withdraws, your reservation advances; if it withdraws, this clears.

⏳ A small rebase may also be needed in orders/pricing.py near line 22 — the overlap above is likely to surface as a textual merge conflict on rebase, which landing in order avoids. (Content-free heuristic — "likely", not certain.)

Overlapping PRs — 2 open PRs touch this same area. Suggested order to land them (most foundational first, so the others only revise once):

1. GH-RollNuts PR-14
2. GH-RollNuts PR-13 ← this PR

_{Veripsa records what is heading to main and who reserved what — it does not assert correctness. Advisory by default; your branch-protection policy decides what blocks.}