fix(web/ui): resolve padding and dialog layout issues from audit

- Remove conflicting .dialog/.dialog-body rules from utilities.css
- Fix live-session sidebar alignment and padding
- Wrap ProjectDialog, RepositoryCreateDialog, WorkspacesPage modals in .dialog-header/.dialog-body
- Migrate SessionsPage dirty-delete modal from .modal-* to .dialog-*
- Add padding to .project-card
- Fix session-card-actions border token (var(--border))
- Remove duplicate .dialog-actions rule in global.css
- Add pb-20 bottom clearance to ConfigProfile/ToolType editor scroll containers
- Add .card-md padding to ErrorState

apps/web/src/components/features/project/repository-create-dialog.tsx

@@ -227,12 +227,14 @@ export const RepositoryCreateDialog = ({
 	return (
 		<div className="dialog-overlay" role="dialog" aria-modal="true">
 			<div className="dialog">
-				<h3>{title}</h3>
-				<p className="muted">
-					Clone an existing repository from git.commumedia.org, or create a
-					blank bare repo here.
-				</p>
-				<form onSubmit={handleSubmit} className="stack">
+				<div className="dialog-header">
+					<h3>{title}</h3>
+				</div>
+				<form onSubmit={handleSubmit} className="dialog-body stack">
+					<p className="muted m-0">
+						Clone an existing repository from git.commumedia.org, or create a
+						blank bare repo here.
+					</p>
 					<div className="form-field repo-mode-radios">
 						<label className="repo-mode-label">
 							<input