Configure Claude agents and settings for the theme and plugin #124

Description

Extend the existing Claude setup in ls-theme and ls-plugin with shared settings (.claude/settings.json), local settings (.claude/settings.local.json) and the ten agents supplied from Ash’s Claude configuration.

Include branches, BugHerd, changelog, Playwright, testing, release, PRD, PR, PageSpeed and design-partner agents. The design-partner agent supports defining DESIGN.md.

Review the supplied branch-validation, changelog, test and validate skills. Preserve existing skills and adapt commands, paths and permissions to each repository rather than copying the source project unchanged.

Acceptance criteria

• Both repositories have shared and local Claude settings.
• All ten agents are available and adapted to the correct repository.
• All four skill reviews and adoption decisions are recorded.
• Claude discovery is reconciled with each repository’s existing canonical agent locations.
• Local secrets and machine-specific values are excluded from shared configuration.
• No source-project paths or BugHerd routing are copied unintentionally.
• Configuration and agent discovery are tested in both repositories.

Dependencies / branch instructions

Follow each repository’s current instructions and preserve existing assets. Keep BugHerd workflow changes within the separate review issue. Verify repository-specific branch and PR requirements before implementation.