Release 1.4.0

[next-devin]

Promotes the Unreleased changelog entry to 1.4.0 - 2026-09-08 and bumps the three version markers (manifest.json, README.md, CLAUDE.md). The only change in this release is #57: nine token-shaped settings under Theme Settings > Style (Layout: body_bg_color, border_color, radius_control, radius_card, section_padding, content_gap, container_max_width; Type Scale: heading_scale, body_size), bridged into :root by layouts/base.html and consumed by the six homepage sections. Default options emit nothing, so an existing store renders identically after upgrading.

No CSS, template, or script changed since #57 merged; assets/main.css is untouched and the drift gate confirms the committed artifact matches a fresh build.

Gates, run locally on this branch with Tailwind v4.2.2:

• make verify-theme — css-check + 67 tests, OK
• make css-drift — candidate matches committed CSS (50298 bytes)
• python3 scripts/check-settings-parity.py — 128 data values match 150 schema settings
• python3 scripts/check-templates.py — 62 template files

After merge: tag v1.4.0 on the squash commit and publish the GitHub release with the 1.4.0 changelog section as its notes, matching the 1.3.0 precedent. Live stores are not touched by this PR.

🤖 Generated with Claude Code

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

The PR is a pure release promotion: manifest.json, README.md, and CLAUDE.md are bumped from 1.3.0 to 1.4.0, and CHANGELOG.md renames the ## Unreleased section to ## 1.4.0 - 2026-09-08. All three version markers agree, the changelog date matches today, and no code/CSS/templates are touched, so there is no logic, security, or regression surface to review.

Files Reviewed (4 files)

• CHANGELOG.md
• CLAUDE.md
• README.md
• manifest.json

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