[katulevskiy]

Upstream mirror

Source: zeronsh#654
Original author: @woosal1337
Original revision: 056b0bdfdef124e7d1ef0324021cfa02f9e2325f

This PR is an isolated Contribution Manager pilot mirror. Its reviews, checks and merge state are separate from upstream. An empty [skip ci] commit suppresses automatic bulk CI; the code tree matches the imported upstream revision.

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Summary

Add Vesper to the dark theme menu in Appearance settings. Vesper currently needs a custom import. This change makes it a bundled choice with a neutral dark background, orange accents, and mint strings.

Approach

1. Add the vesper family and vesper-dark variant through the existing palette builder in crates/theme/src/builtins.rs.
2. Define all 26 UI roles, eight accent fields, 31 syntax roles, and 16 ANSI colors. Include explicit Markdown colors and neutral selections.
3. Keep comments opaque for readability. Recommend opaque surfaces through the existing surface preference model.
4. Record the exact upstream revision, MIT license, and resolved palette hash. Update the theme guide, catalog checks, and license notices.

This follows the built-in curation structure introduced by PR #215. The catalog contains 31 variants across 20 families.

Source

Vesper by Rauno Freiberg, revision 9043f3849b776949445f0cd4990365959cca35a3, MIT license. The palette also matches the earlier Vesper port for JetBrains Air.

Validation

1. cargo test --locked -p zeron-theme: 25 passed.
2. rustfmt --edition 2024 --config skip_children=true --check crates/theme/src/builtins.rs crates/theme/src/lib.rs: passed.
3. git diff --check: passed.
4. Exported the compiled variant. Its UI, accent, syntax, and terminal values match the installed native palette. Checked its SHA-256 hash with a separate calculation.
5. The new regression test checks all 31 syntax roles, text and status contrast on nine surfaces, button text, and registry validation.

Visual review

Reviewed the matching native palette in Zeron 0.2.84 across the main workspace, composer, Appearance settings, palette menu, and code and diff preview.

This PR is a draft. The full VisualFixture scene and state matrix, plus the full app build, remain pending.

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[contribution-manager-katulevskiy]

Contribution Manager

needs triage · medium risk · untriaged

Open review workspace · Revision f70b1667

Next actions:

• Direction decision needed
• Scope, risk, and platform triage needed
• Author has marked this PR as draft
• Independent code review needed
• Required check: core-tests (missing)

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