feat: migrate from static config to database and add authentication

- Replaced static hosts.json and staticConfig.ts with SQLite database (Prisma)

- Implemented JWT authentication and Login UI

- Added dynamic API routes for hosts, topology, and settings

- Updated UI components to fetch and manage state dynamically

- Added Settings interface for managing hosts and topology nodes

prisma/schema.prisma

@@ -0,0 +1,75 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id        String   @id @default(uuid())
+  username  String   @unique
+  password  String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+}
+
+model HostConfig {
+  id         String   @id @default(uuid())
+  name       String   @unique
+  ip         String
+  sshUser    String   @default("bear")
+  sshKeyPath String?
+  sshPort    Int      @default(22)
+  hostType   String   @default("docker-host")
+  createdAt  DateTime @default(now())
+  updatedAt  DateTime @updatedAt
+}
+
+model NetworkNode {
+  id          String   @id
+  type        String
+  name        String
+  ip          String?
+  status      String   @default("unknown")
+  importance  Int      @default(3)
+  description String?
+  metadata    Json?
+  category    String?  // for services
+  parentId    String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+  
+  parent      NetworkNode?  @relation("NodeHierarchy", fields: [parentId], references: [id])
+  children    NetworkNode[] @relation("NodeHierarchy")
+  
+  sourceEdges NetworkEdge[] @relation("EdgeSource")
+  targetEdges NetworkEdge[] @relation("EdgeTarget")
+}
+
+model NetworkEdge {
+  id        String      @id @default(uuid())
+  sourceId  String
+  targetId  String
+  type      String?
+  label     String?
+  createdAt DateTime    @default(now())
+  updatedAt DateTime    @updatedAt
+  
+  source    NetworkNode @relation("EdgeSource", fields: [sourceId], references: [id])
+  target    NetworkNode @relation("EdgeTarget", fields: [targetId], references: [id])
+
+  @@unique([sourceId, targetId])
+}
+
+model Settings {
+  id        String   @id @default("singleton")
+  key       String   @unique
+  value     String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+}