feat: claude init

[nsprenkle]

Add Claude related files & setup:

• Adds CLAUDE.md with repo overview.
• Adds validate command to run tests & build steps.
• Adds configuration to allow validation to run w/out local plugin config.
• Allow-lists build scripts so Claude doesn't have to ask for input when validating.

[Copilot]

Pull request overview

Adds Claude Code repository guidance/config and introduces a “validate” build flow intended to mirror CI without requiring private/local plugin configuration.

Changes:

• Add a build:validate webpack build path and corresponding webpack config.
• Add Claude Code repo docs (CLAUDE.md) and a /validate command runbook.
• Configure Claude permissions allow-list for common validation commands.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
webpack.validate.config.js	New webpack config meant to support build:validate with an env.config stub.
package.json	Adds build:validate script to run webpack with the validate config.
CLAUDE.md	Adds repo/architecture guidance and common developer commands for Claude Code.
.claude/settings.json	Allows specific shell commands for Claude-driven validation.
.claude/commands/validate.md	Documents the /validate procedure and reporting format.

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[Copilot]

Pull request overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

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[jansenk]

This looks good but I have one comment and I think the copilot suggestions are valid