itertools, thiserror, anyhow, pretty_env_logger, dotenvy stay for certain; the rest of the unused-dependency list is under consideration.
Verified dependency reductions (13 unused or replaceable crates) and idiomatic cleanups for the current codebase. Not applied yet; linked from ROADMAP phase 0. Toolchain stays on nightly.
Covers full campaign dashboard scope (character, inventory, quests, notes, contacts, wiki) with localStorage + export/import persistence. Phases 0-8 with acceptance criteria and effort estimates.
