aisman

Direct session 28, Step 1: Fix ProcessOutputStream deserialization failure and client error reporting
- Fix AgentIssueOutput.Status type mismatch (string? vs JSON integer)
- Fix ProcessOutputStream SendEvent PascalCase serialization breaking client error reporting

Direct session 28, Step 2: Fix button color inheritance and add ancestor outline support
- aim-btn-fix must not define color properties; add ancestor aim-btn-outline support

Direct session 28, Step 3: Fix Fix button opening multiple modal dialogs:
- Fix button opens multiple error dialogs instead of just the clicked row's dialog

Direct session 29, Step 1: Create AismanControllerBase and refactor all controllers:
- Create AismanControllerBase with shared controller helpers
- Make all controllers inherit AismanControllerBase
- Remove GetCurrentUserIdAsync() from OrgsController and ProjectsController
- Remove GetCurrentUserId() from SettingsController

Direct session 30, Step 1: Add line numbers and caret position display to output file viewer
- Line gutter shows 1-based line number for each actual line (no visual wrapping)
- Status bar displays: Ln X, Col Y | Char Z / Total
- Textarea uses white-space: pre to prevent line wrapping; long lines scroll horizontally
- Gutter and editor scroll synchronized
- Real-time updates on input, navigation, selection, and scroll events