Update to AARCHMRS-2026-03

[monoid]

• gen: Upgrade to AARCHMRS-2026-03.
• gen: allow using a downloaded archive directly.
• instructions: Regenerate aarchmrs-instructions.

Summary by CodeRabbit

• New Features

  • Allow specifying a custom archive path when generating instructions.

• Chores

  • Updated archive source to 2026_03 and aligned validation checks to the new release.
  • Bumped package versions to reflect the 2026_03 updates.

• Documentation

  • Fixed README URL formatting.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 7b80710d-78de-4a77-a40c-a49e9a620582

📥 Commits

Reviewing files that changed from the base of the PR and between 753ded5 and 646b1fb.

📒 Files selected for processing (4)

• Cargo.toml
• aarchmrs-gen/Cargo.toml
• aarchmrs-gen/src/lib.rs
• aarchmrs-instructions/Cargo.toml

📝 Walkthrough

Walkthrough

Updated archive download source and validation constants from 2025_12 to 2026_03, made archive validation function crate-public, extended gen_instructions to accept an optional archive_path with conditional validation/fallback, bumped crate versions, and fixed README URL formatting.

Changes

Cohort / File(s)	Summary
Archive Version & Validation aarchmrs-gen/src/downloads.rs	Switched constants (URL, filename, MD5, size) from 2025_12 → 2026_03; is_valid_archive visibility changed to pub(crate) and validates against new values.
Generation API & Path Handling aarchmrs-gen/src/lib.rs	gen_instructions(...) now accepts archive_path: Option<&Path>; validates provided path with downloads::is_valid_archive (returns DownloadError::Io on invalid) or falls back to ensure_archive(cache_dir)?; uses Cow for archive path ownership handling.
Documentation aarchmrs-instructions/README.md	Wrapped repository URL in angle brackets to fix formatting.
Workspace & Crate Versions Cargo.toml, aarchmrs-gen/Cargo.toml, aarchmrs-instructions/Cargo.toml	Bumped workspace dependency versions and crate package versions from 2025-12 tags to 2026-03 tags.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• Update to AARCHMRS-2025-12 #46: Updates the same aarchmrs-gen archive constants and download/validation logic.

Suggested labels

enhancement, instructions, generation

Poem

🐰 I hopped along the build and found a file,
New dates and checks that made me smile.
Paths validated, versions bumped in stride,
Fetching archives with a prance and pride. ✨📦

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the primary change: updating the codebase from AARCHMRS-2025-12 to AARCHMRS-2026-03, which is reflected across version updates, archive constants, and dependencies throughout all modified files.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch aarchmrs-2026-03

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