chore: patch project maps for loading-overlay and orphaned session entries

- Add loading-overlay.tsx to component maps
- Remove orphaned session-progress-panel.tsx and session-operations.tsx entries
- Refresh parent indexes after manual map edits

Quality gates: pytest 313 passed/34 skipped, npm run typecheck/lint clean,
npm test -- --run 87 passed

.pi-map.index.md

@@ -16,7 +16,7 @@ dir: .
 Trust boundary: index routes, map orients, source decides.
 
 ## role
-Infrastructure and configuration package for a self-hosted project management platform with containerized deployment, SSO integration, and AI-assisted development workflows.
+Infrastructure and deployment configuration for a self-hosted project management platform with containerized services, SSO integration, and AI agent development workflows.
 ## parent
 -
 ## children
@@ -59,6 +59,9 @@ Infrastructure and configuration package for a self-hosted project management pl
 - tool-images
   index: tool-images/.pi-map.index.md
   map: tool-images/.pi-map.md
+- uploads
+  index: uploads/.pi-map.index.md
+  map: uploads/.pi-map.md
 ## files
 - .env.example
 - .gitignore