chore(release): v1.13.0 "Vantage"

[doublegate]

Summary

• Version bump: workspace + all 12 individually-versioned crates 1.12.0 → 1.13.0.
• CHANGELOG: [Unreleased] → dated ## [1.13.0] "Vantage" - 2026-07-12 section.
• docs/STATUS.md: current-release pointer + summary paragraph extended to cover v1.13.0.
• to-dos/VERSION-PLAN.md/to-dos/ROADMAP.md: v1.13.0 rung marked RELEASED 2026-07-12.

Closes out #96 (feat(frontend): v1.13.0 "Vantage" - HighContrast/Colorblind themes) and #97 (docs(roadmap): overdue RustyNES lockstep re-check).

Test plan

• cargo fmt --check
• cargo clippy --workspace --all-targets -- -D warnings
• cargo test --workspace (all green)
• markdownlint-cli2 on every touched doc — identical error count vs. origin/main baseline (87), zero new findings
• Cargo.lock regenerated via cargo check --workspace, confirmed all crates resolve at 1.13.0

🤖 Generated with Claude Code

[gemini-code-assist]

Code Review

This pull request bumps the workspace and crate versions of RustySNES from 1.12.0 to 1.13.0 for the 'Vantage' release. It updates the CHANGELOG, STATUS, ROADMAP, and VERSION-PLAN documentation to reflect the release of two accessibility theme variants (HighContrast and Colorblind) and details the honest re-scoping of the other two originally-planned items (the save-state migration fixture and the keyboard-navigation audit). There are no review comments, and I have no feedback to provide.

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[Copilot]

Pull request overview

Release bookkeeping for RustySNES v1.13.0 "Vantage": bumps workspace + crate versions, finalizes the changelog entry, and updates project status/roadmap docs to mark the release as shipped.

Changes:

• Bump workspace and crate versions 1.12.0 → 1.13.0, and update Cargo.lock accordingly.
• Promote CHANGELOG.md [Unreleased] content into a dated v1.13.0 "Vantage" section.
• Update docs/STATUS.md and planning docs (to-dos/*) to point at v1.13.0 and mark it RELEASED.

Reviewed changes

Copilot reviewed 17 out of 18 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Cargo.toml	Workspace package version bump to 1.13.0.
Cargo.lock	Lockfile updated so workspace crates resolve at 1.13.0.
CHANGELOG.md	Adds v1.13.0 "Vantage" - 2026-07-12 section and moves release notes out of Unreleased.
docs/STATUS.md	Updates “Current release” pointer and extends the RustyNES-parity ladder summary through v1.13.0.
to-dos/ROADMAP.md	Marks v1.13.0 "Vantage" as RELEASED and summarizes delivered vs. re-scoped items inline.
to-dos/VERSION-PLAN.md	Marks the v1.13.0 rung as RELEASED and documents the finalized scope outcomes.
crates/rustysnes-apu/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-cart/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-cheevos/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-core/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-cpu/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-frontend/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-gfx-shaders/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-netplay/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-ppu/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-savestate/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-script/Cargo.toml	Crate version bump to 1.13.0.
crates/rustysnes-test-harness/Cargo.toml	Crate version bump to 1.13.0.