feat: workspace-first UI refresh - PR-3 projects page + routing cleanup

- Rewrite ProjectsPage with inline repository and workspace display
- Expandable project cards showing repos + workspace chips
- Inline workspace creation from project page (New Workspace button per repo)
- Workspace chips link to workspace detail page
- Sync/delete actions on workspace chips
- Update Project type: add ProjectWithRepos, RepositorySummary, WorkspaceSummary
- Update listProjects API to return ProjectWithRepos[]
- Update dashboard, sessions, config-profiles to use ProjectWithRepos
- Remove old /projects/:projectId route (RepoWorkspace)
- Add chevron icons to Icon component
- Projects page CSS: project-toggle, repo-block, workspace-grid, workspace-chip
- TypeScript + eslint clean

Quality gates: tsc --noEmit clean, eslint clean

apps/web/src/pages/config-profiles.tsx

@@ -19,7 +19,7 @@ import {
 	type ResolvedProfile,
 } from "../api/config_profiles";
 import { listProjects } from "../api/projects";
-import type { Project } from "../types";
+import type { ProjectWithRepos } from "../types";
 import { listToolTypes, type ToolType } from "../api/tool_types";
 import { GitMountEditor } from "../components/git-mount-editor";
 
@@ -31,7 +31,7 @@ export const ConfigProfilesPage = () => {
 	const [mobileView, setMobileView] = useState<MobileView>("list");
 	const [status, setStatus] = useState<Status>("loading");
 	const [profiles, setProfiles] = useState<ConfigProfile[]>([]);
-	const [projects, setProjects] = useState<Project[]>([]);
+	const [projects, setProjects] = useState<ProjectWithRepos[]>([]);
 	const [toolTypes, setToolTypes] = useState<ToolType[]>([]);
 
 	const [selectedProfileId, setSelectedProfileId] = useState<string | null>(