§8.3 siege economics:
- applyDailyBurn now takes an explicit siege flag and enforces a 2× floor
on supply burn even when HarshMod is below 2 (tier-1 zones still get
starved out per spec).
- currentBurn mirrors the same precedence so status/briefing readouts
stay consistent.
- Briefing rollover passes e.SiegeMode through, decoupling siege from
the harsh-conditions composite.
§8.3 threat-70 warning: applyDailyThreatDrift emits a one-time
appendApproachingSiegeLog when the level crosses 70 (prevLevel<70 and
new level≥70). Pulls from a new flavor.ThreatClockApproachingSiege pool
seeded with the spec's verbatim warning beat plus two voice-matched
alternates.
Other siege effects (boss +20 HP / Legendary Resistance, cleared-room
respawn, no-short-rest enforcement) stay deferred to the combat-link
phase — ThreatBandInfo already exposes the flags that engine will read.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Pure logic per gogobee_expedition_system.md §4. Tier→base SU/day and
harsh-conditions multiplier tables (§4.1). Standard pack 10 SU/50c
(max 3) and deluxe pack 20 SU/90c (max 1) per §4.2. SupplyPurchase
struct with Validate / Total / Cost. Depletion brackets (>25 / 10–25
/ 1–9 / 0) → roll modifier and long-rest gate per §4.3. applyDailyBurn
deducts and clamps; resets the per-day forage flag.
Procurement is exposed as a pure helper here; the !expedition start
flow wires it interactively in E1c.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
