julian
bfe64032d8
Turborepo (pnpm workspaces) with all dependencies pinned to latest mutually-compatible versions: turbo 2.9, TypeScript 6, Fastify 5, React 19, Vite 8, better-sqlite3 12 + Drizzle ORM 0.45. Layout: - apps/server Fastify backend (local JWT auth + role guard, /health) - apps/web React 19 + Vite 8 operator SPA - packages/db Drizzle schema on SQLite/WAL; append-only events + users - packages/devices reader/printer/relay adapter interfaces (intent-only relay) - packages/shared shared domain types Architecture constraints from the design wiki are encoded in the scaffold: append-only hash-chained + signed event log, device-agnostic adapters, "a barrier is not a door" (relay expresses intent only), fully-local offline-first auth. wiki/ is an LLM-maintained Obsidian knowledge base (28 pages) ingested from the architecture & design notes, with its own maintenance schema. Verified: pnpm install, full turbo build (5/5), server boots and serves /health, drizzle-kit generates the initial migration.
23 lines
929 B
Markdown
23 lines
929 B
Markdown
---
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type: concept
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tags: [parking, security, network, access-control]
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sources: [parking-system-architecture]
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updated: 2026-06-14
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---
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# Network Isolation
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**Mandatory** mitigation for the unauthenticated [[uhppote-udp-protocol]]: because the
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[[uhppote-controller]] can't authenticate, the **network must be the security boundary** (the
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[[trust-boundary]] = the network). (See [[parking-system-architecture]] §6.)
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- Control devices go on **their own VLAN** with **no route** to the booth/office network and
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**no wireless bridge**.
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- Requires a **managed VLAN switch** (in the [[bom]]).
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- Only when *only the host* can reach the controller does the controller's event log become a
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trustworthy audit source (combined with [[event-log-ingestion]] + the
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[[append-only-event-chain]]).
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This makes the UHPPOTE setup **tamper-evident behind isolation** — but never tamper-*proof*;
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that requires the [[esp32-custom-controller]].
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