docs(issues): add issue spec for #1778 (migrate to Rust edition 2024)

[josecelano]

Summary

Adds the issue specification for #1778 — migrating the workspace from Rust edition 2021 to edition 2024.

Changes

• docs/issues/open/1778-migrate-to-rust-edition-2024.md — new issue spec (moved from drafts/ after issue creation)
• project-words.txt — added rescope and RPIT (required by cspell for the spec)

Spec highlights

• Dry-run analysis: 33 warnings across 21 files (18 manual tail_expr_drop_order, 15 auto-fixable)
• Effort estimate: ~5–7 h
• Incremental implementation plan (T1–T14): one commit per package tier, edition flip as capstone (T12)
• Sequencing note: must happen before EPIC chore: migrate workspace from Rust edition 2021 to edition 2024 #1778 package extraction

Closes #1778 spec workflow checkpoint: "(Optional) Spec-only PR merged into develop before implementation"

[Copilot]

Pull request overview

Adds a spec-only issue document for migrating the workspace to Rust edition 2024 and updates the cspell project word list for terms used by the spec.

Changes:

• Adds issue spec #1778 with scope, implementation plan, risks, and verification criteria.
• Adds RPIT and rescope to project-words.txt.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
docs/issues/open/1778-migrate-to-rust-edition-2024.md	New issue specification for the Rust edition 2024 migration.
project-words.txt	Adds cspell allowlist terms used by the new spec.

Comments suppressed due to low confidence (1)

project-words.txt:233

• rescope breaks the case-insensitive alphabetical order of project-words.txt: reqwest and rerequests should come before rescope, and reuseaddr after it. Please move rescope between rerequests and reuseaddr.

rescope

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[josecelano]

ACK d154338