chore: regenerate stale .pi-map.md / .pi-map.index.md project maps

Project map had drifted: claimed recharts unused (was used), ObservabilityPage.tsx
exists (refactored to service-tabs/), missed JellyfinNowPlayingWidget +
authentik/backups service types. Regenerate to reflect post-change reality:
new Qbittorrent/LineSeriesChart/Prometheus{Gauge,Mean}Widget files,
service_data.py/qbittorrent_store.py, canonical prometheus-charting +
service-storage specs, archived changes.

frontend/.pi-map.md

@@ -4,7 +4,7 @@ dir: frontend
 index: frontend/.pi-map.index.md
 
 ## role
-Frontend SPA for the "Manage" application, built with React, Vite, and TypeScript, providing the user interface with OIDC authentication and API integration.
+Frontend single-page application built with React, Vite, and TypeScript that serves as the "Manage" UI, styled with Tailwind CSS and shadcn/ui components.
 ## files
 - .gitignore | Specifies files and directories for Git to ignore in a Node.js/frontend project
 - Dockerfile | Multi-stage Dockerfile for building and serving a Vite-based frontend application with separate production (nginx) and development (node dev server) targets | dep: node:22-alpine, nginx:1.27-alpine, npm, vite
@@ -13,8 +13,8 @@ Frontend SPA for the "Manage" application, built with React, Vite, and TypeScrip
 - eslint.config.js | Configures ESLint for a TypeScript React project using Vite with recommended rules for JS, TS, React Hooks, and React Refresh. | dep: @eslint/js, globals, eslint-plugin-react-hooks, eslint-plugin-react-refresh, typescript-eslint, eslint/config
 - index.html | Standard HTML entry point for a React/Vite single-page application named "Manage" | dep: React (implied by root div and TSX entry), Vite (implied by module script and /src path)
 - nginx.conf | Configures Nginx as a reverse proxy serving static files and forwarding API requests to a backend service | dep: nginx
-- package-lock.json | Records exact dependency versions and resolved URLs for reproducible npm package installations in a React frontend project. | dep: npm, node, react, react-dom, react-router-dom, @tanstack/react-query, @tanstack/react-table, oidc-client-ts, react-oidc-context, radix-ui, shadcn, tailwindcss, vite, vitest, typescript, eslint, @babel/core, @babel/parser, @babel/generator, @babel/traverse, @babel/types, @babel/helpers, @babel/helper-plugin-utils, @babel/helper-module-imports, @babel/helper-module-transforms, @babel/helper-compilation-targets, @babel/helper-create-class-features-plugin, @babel/helper-replace-supers, @babel/helper-member-expression-to-functions, @babel/helper-optimise-call-expression, @babel/helper-skip-transparent-expression-wrappers, @babel/helper-annotate-as-pure, @babel/helper-globals, @babel/helper-string-parser, @babel/helper-validator-identifier, @babel/helper-validator-option, @babel/compat-data, @babel/code-frame, @babel/template, @babel/plugin-syntax-jsx, @jridgewell/gen-mapping, @jridgewell/remapping, @jridgewell
-- package.json | Defines a React-based frontend project configuration with Vite build tooling, Tailwind CSS styling, OIDC authentication, and testing infrastructure. | dep: react, react-dom, react-router-dom, @tanstack/react-query, @tanstack/react-table, radix-ui, react-oidc-context, oidc-client-ts, lucide-react, class-variance-authority, tailwind-merge, clsx, tw-animate-css, @fontsource-variable/geist, shadcn, vite, typescript, tailwindcss, vitest, eslint, @testing-library/react, jsdom
+- package-lock.json | Locks exact dependency versions and integrity hashes for a React/Vite frontend project to ensure reproducible installs. | dep: react, react-dom, @tanstack/react-query, @tanstack/react-table, recharts, radix-ui, shadcn, oidc-client-ts, vite, vitest, tailwindcss, typescript
+- package.json | Defines the package configuration, dependencies, and scripts for a React frontend application. | dep: react, react-dom, @tanstack/react-query, @tanstack/react-table, react-router-dom, oidc-client-ts, react-oidc-context, radix-ui, shadcn, tailwindcss, recharts, vite, vitest, typescript
 - postcss.config.cjs | Configures PostCSS to use Tailwind CSS and Autoprefixer plugins for CSS processing | dep: postcss, @tailwindcss/postcss, autoprefixer
 - tailwind.config.cjs | Configures Tailwind CSS to scan source files for class names and defines theme/plugins settings. | dep: tailwindcss
 - tsconfig.app.json | TypeScript configuration file for a React application using Vite with strict linting rules and path aliases | dep: typescript, vite, react
@@ -23,9 +23,9 @@ Frontend SPA for the "Manage" application, built with React, Vite, and TypeScrip
 - vite.config.ts | Configures Vite build tool with React, Tailwind CSS, environment-based API proxying, and path aliasing for a frontend application. | dep: path, vite, @vitejs/plugin-react, @tailwindcss/vite
 - vitest.config.ts | Configures Vitest test runner for a React project with jsdom environment, path aliasing, and scoped test file inclusion. | dep: path, vitest/config, @vitejs/plugin-react, vitest, jsdom
 ## arch
-Component-based React architecture styled with Tailwind CSS/shadcn/ui, bundled via Vite, containerized through multi-stage Docker builds (Nginx for production, Node dev server for development), with Vitest for testing and ESLint for code quality.
+Component-based SPA architecture using Vite for bundling, Nginx reverse proxy for production serving with API forwarding, PostCSS/Tailwind for styling, Vitest for testing, and Docker multi-stage builds for deployment.
 ## tags
-react, @babel, vite, helper, typescript, project, css, eslint
+react, vite, typescript, frontend, project, configuration, @tanstack, path
 ## symbols
 -
 ## workflows