- 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
- add sessions tab with active session list in ProfilePage
- fetch and display sessions with current session highlight
- implement single and bulk session revocation with redirect on self-revoke
- add session-related api helpers in auth api
- initialize `newPassword` in form state on load
- add `needsCurrentPassword` flag triggered by email or password change when editing self
- route self password change to profile endpoint with current password verification
- move role tag input above password section and update current password field visibility logic
- add new password field in UserEditModal with optional admin-set password on save
- add send password reset link button with loading state in UserEditModal
- add password change section with strength indicator in ProfilePage
- expose sendPasswordResetEmail utility in auth api
- add new RoleBadge shared component for consistent role display
- export RoleBadge from shared components index
- replace inline Badge usage with RoleBadge in UsersPage role column
- use RoleBadge via renderTag prop in UserEditModal role TagInput
- simplify TagInput Pill to a generic unstyled pill, removing color logic
- import createPortal from react-dom
- add dropdownStyle state to track fixed position coordinates
- calculate and update dropdown position on open, scroll, and resize
- render dropdown and empty-state divs into document.body using createPortal
- remove separate `/zen/api/roles` fetch and `roleColorMap` state from UsersPage
- update SQL query to include aggregated roles array per user via subquery
- replace single role badge with multi-badge display supporting overflow indicator
- import Modal component from shared components
- rename emailFormOpen state to emailModalOpen for clarity
- convert handleEmailSubmit from form event handler to plain async function
- move email change form into a Modal instead of inline collapsible form
- pass pendingEmailMessage as Input description prop instead of separate paragraph
- simplify toggle button to only show when no pending message
- add `ConfirmEmailChangePage.client.js` for email change token confirmation
- add `emailChange.js` core utility to generate and verify email change tokens
- add `EmailChangeConfirmEmail.js` and `EmailChangeNotifyEmail.js` email templates
- update `UserEditModal` to handle email changes with password verification for self-edits
- update `ProfilePage` to support email change initiation
- update `UsersPage` to pass `currentUserId` to `UserEditModal`
- add email change API endpoints in `auth/api.js` and `auth/email.js`
- register `ConfirmEmailChangePage` in `AdminPage.client.js`
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