aisman

Direct session 20, Steps 1-2: Organizations SPA, per-user settings, and supporting fixes
- Add [Authorize] to all API controllers
- Fix browser autofill background override on sign-in page
- Make toast() available outside the Dashboard page
- Fix ugly Account settings tabs — missing tab styles in site.scss
- Redesign Organizations page as SPA with left sidebar and detail sections
- Store org logos and user avatars in filesystem instead of database
- Add OrgUserRole table and OrgUserRoleId column to OrgUser
- Members table: avatars, Role column, Deactivate/Reactivate, invited users, expired invites
- Send invite improvements: inline error, confirm2 name prompt, extended invitation handling
- Fix Project tab panes not scrolling — rename class to aim-detail-tab-content
- DB update script: fill UserId columns with user 1 and alter to NOT NULL
- Settings per-user read/write: honour SettingIsPerUser flag
- Fix SettingsController.GetAll CS1963 dynamic expression-tree build errors
- Add Organizations page SCSS styles to site.scss

Direct session 21, Step 1: Orgs UI redesign, output validation & malformed handling:
- Fix missing esc() function in orgs.js
- Redesign organizations page as wide card with real tabs
- Add output file validation against instructions template rules
- Add fix instructions alert2 dialog with clipboard copy
- Output file validation and fix instructions system
- Handle malformed files with outputs/malformed folder
- Add empty state messages for New outputs and Processed outputs tabs