- use `127.0.0.1` as fallback ip when `NODE_ENV === 'development'` in both `getIpFromHeaders` and `getIpFromRequest`
- preserve `unknown` fallback in production to suspend rate limiting when no trusted proxy is configured
- update comments to reflect environment-specific behaviour
- add ZEN_TRUST_PROXY env variable in .env.example for reverse proxy config
- replace getClientIp() with getIpFromHeaders() using next/headers for ip resolution
- forward ipAddress and userAgent to login action for session tracking
- replace fixed `[first, second]` destructuring with dynamic segment-aware matching
- find nav items using prefix segment comparison instead of first-segment-only match
- compute `itemSegCount` from matched nav item href to support multi-segment routes
- derive sub-segment index dynamically so breadcrumb labels resolve correctly for nested paths
- swap `ChevronDownIcon` and `ChevronRightIcon` for `ArrowDown01Icon` and `ArrowRight01Icon` in AdminSidebar and AdminTop
- add `ArrowDown01Icon`, `ArrowLeft01Icon`, `ArrowRight01Icon`, and `ArrowUp01Icon` to shared icons index
- remove `ChevronDownIcon` and `ChevronRightIcon` from shared icons index
- replace inline checkmark svg in ColorPicker with Tick02Icon
- replace inline sort arrow svg in Table with ArrowDown01Icon
- add ArrowDown01Icon to shared icons index
- replace inline hamburger/close svg with Menu01Icon component in AdminTop
- replace inline chevron svg with ChevronRightIcon component for breadcrumbs
- add ChevronRightIcon and Menu01Icon imports to AdminTop
- fix UserCircle02Icon fill values from hardcoded #ffffff to currentColor
- add `Logout02Icon` to admin top bar logout button
- add `SmartPhone01Icon` and `ComputerIcon` to profile page session list
- update icons index to use hugeicons react package imports
- remove Recycle03Icon dependency and use native svg spinner
- adjust size values for sm, md, and lg variants
- update loading text from "Loading...." to "Chargement"
- increase grid columns across breakpoints including md, 2xl, and custom 16-col
- add aspect-square and justify-center to icon cards for uniform sizing
- update card style with solid border and background instead of transparent hover-only
- enlarge icon size from w-5/h-5 to w-7/h-7 and set color to white
- add full-width and padding to icon label for better text containment
- add `ZEN_DEVKIT` env variable to enable/disable devkit
- add `isDevkitEnabled()` utility and export it from public api
- register devkit nav section and items conditionally when devkit is enabled
- add devkit route handling in admin page client and server
- add DevkitPage, ComponentsPage, and IconsPage client components
- reduce app name font size from text-lg to text-sm in AdminTop mobile header
- make profile page cards full-width on mobile with sm:min-w-3/5 breakpoint
- stack photo upload layout vertically on mobile using flex-col sm:flex-row
- add flex-wrap to photo action buttons for small screens
- make TabNav horizontally scrollable with hidden scrollbar on mobile
- add shrink-0 and whitespace-nowrap to tab buttons to prevent wrapping
- replace fixed column-slice layout with mobileHidden filter for flexible column visibility
- render primary column as prominent header with semantic styling
- display remaining columns in a responsive 2-column dl grid with label/value pairs
- update MobileSkeletonCard to reflect new grid structure based on visible column count
- split voice guidelines into two contexts: interface and documentation
- replace generic editorial rules with format-specific sections (ui, labels, errors, doc)
- remove site/email/proposal sections out of scope for this project
- add concrete examples for interface messages, buttons, and error states
- streamline typography and punctuation rules
- move promise and env-var principles to top of code standards section
- clarify build strategy: bundle:false applies to all src/ files, not just suffixed ones
- update RSC boundary explanation to describe module isolation approach
- add note about jsx loader handling .js files via esbuild
- remove redundant section headers and inline comments in examples
- fix grammar in singleton bundling warning
- remove color palette table from main color section in DESIGN.md
- update typography scale (reduce body/secondary text sizes)
- revise border radius values for badges, buttons, modals, and cards
- expand sidebar navigation section with detailed structure and visual states
- add accordion section behavior and item template specs
- update Badge component to use fully rounded corners and adjust sizing
- update Modal component border radius and backdrop styles
- update tagline in README.md and docs to reflect multi-purpose scope
- rephrase project description in PROJECT.md to position zen as an extensible admin platform
- remove detailed core documentation sections from PROJECT.md
- fix typo "palteforme" in directory structure comment
- replace cms references with platform wording in DEV.md
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