Rebuild: fresh AdonisJS 7 API app on Postgres

The rebuild branch starts over (REBUILD.md): the API starter kit, with
Postgres instead of SQLite (its own database, DB_SEARCH_PATH for a
shared one in development) and the #lib alias. Phase 1's code is
imported from the current app module by module.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/middleware/seed_node_middleware.ts

@@ -1,26 +0,0 @@
-import type { HttpContext } from '@adonisjs/core/http'
-import type { NextFn } from '@adonisjs/core/types/http'
-import SeedOrchestrator from '#services/SeedOrchestrator'
-
-declare module '@adonisjs/core/http' {
-  interface HttpContext {
-    /** The seeding node that made this request (CONCEPT.md D38). */
-    seedNode: { id: number; name: string }
-  }
-}
-
-/**
- * Seed API requests carry a node's bearer token (`node ace seed:token
- * <name>`); anything else gets 401. The seed API is the only part of the app
- * reachable from the internet (traefik routes only /api/v1/seed there).
- */
-export default class SeedNodeMiddleware {
-  async handle(ctx: HttpContext, next: NextFn) {
-    const header = ctx.request.header('authorization') ?? ''
-    const token = header.startsWith('Bearer ') ? header.slice(7).trim() : ''
-    const node = token ? await SeedOrchestrator.nodeForToken(token) : null
-    if (!node) return ctx.response.unauthorized({ error: 'Unknown or disabled seed node token' })
-    ctx.seedNode = node
-    return next()
-  }
-}