[links update] add redirects check

[mike-diamond]

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview	May 5, 2026 1:35pm

[Copilot]

Pull request overview

Adds an automated redirects check to help keep redirects.ts up to date when content files are renamed/deleted, and validates that redirect targets with #anchors resolve to real headings in the docs.

Changes:

• Introduces scripts/checkRedirects (diff parsing, redirects parsing, anchor validation, and console output helpers).
• Adds checkRedirects script plus Husky pre-commit hook, and a GitHub Actions workflow to run the check on PRs that touch content/redirects.
• Updates redirects.ts entries (including an anchor update) and updates dependencies/lockfile for tsx + husky.

Reviewed changes

Copilot reviewed 12 out of 13 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
yarn.lock	Adds lock entries for new tooling deps (tsx, husky, and transitive deps like esbuild).
scripts/checkRedirects/index.ts	Main CLI that reads diff + redirects, checks duplicates/anchors, and reports missing redirects.
scripts/checkRedirects/util/parser.ts	Reads redirects.ts from git and parses from: entries + duplicate detection.
scripts/checkRedirects/util/output.ts	Formats error output for missing redirects and broken anchors.
scripts/checkRedirects/util/anchors.ts	Validates that redirect to fragments point at real heading slugs in target markdown.
scripts/checkRedirects/util/diff.ts	Reads/parses git diff --name-status (staged or stdin) and filters relevant files.
scripts/checkRedirects/util/contentRoots.ts	Maps repo paths ↔ site URLs and resolves a URL path back to a markdown file candidate.
scripts/checkRedirects/util/colors.ts	Small TTY-aware ANSI color helpers for stderr output.
scripts/checkRedirects/util/index.ts	Barrel export for checkRedirects utilities.
redirects.ts	Updates meta-vault anchor target and adds a couple new redirects.
package.json	Adds checkRedirects script, installs tsx and husky, and adds prepare for Husky.
.husky/pre-commit	Runs yarn checkRedirects on commit.
.github/workflows/check-redirects.yml	Adds CI job that diffs against base ref and runs checkRedirects via stdin.

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[Copilot]

Pull request overview

Copilot reviewed 12 out of 13 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull request overview

Copilot reviewed 12 out of 13 changed files in this pull request and generated 5 comments.

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[Copilot]

Pull request overview

Copilot reviewed 12 out of 13 changed files in this pull request and generated 8 comments.

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[Cast0001]

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