P06-01: Implement approved A06 finite Mana reserve (MP-01-r02 recommended)

Initial 100, capacity 300, world tree +20 per 10 game minutes. Each boundary
pays registered upkeep demand before storing surplus; overflow is discarded
and recorded, 0 stops the whole tower. Furnace offers are judged after
generation and demand payment. New saves carry mana_reserve and Operations
rollback includes it; legacy saves keep a 0..300 amount and reject others.

Outage tests that relied on Mana 0 persisting now hold the outage with a
disabled demand sink, since the world tree recovers at the next boundary.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

This commit is contained in:

Takeshi

2026-10-19 17:20:04 +09:00

co-authored by

Claude Opus 5.5

parent c366012446

commit ae0f998ff4

18 changed files with 424 additions and 17 deletions

scripts/mana/mana_reserve_cycle.gd.uid

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