release(v4.0.0): Shade GA — V3.x consolidation + audit prep
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V3.1 → V3.12 consolidated and tagged for the first GA release. Wire format unchanged from 0.4.x — 4.0 peers interoperate with 0.4.x peers byte-for-byte. The version bump is semantic: audit-cycle complete, opt-in surface fully exposed, threat model refreshed for every new surface. Highlights: - All 24 @shade/* packages bumped to 4.0.0 in lockstep. - CHANGELOG 4.0.0 section is the canonical manifest of what landed. - THREAT-MODEL extended (§10 fingerprint gates, §11 WebRTC P2P, §12 Web-Worker boundary) + residual-risks table refreshed. - OpenAPI now covers all 27 routes: prekey, transfer, KT, inbox, bridge, observer, /metrics, /healthz, /ready. - MIGRATION 0.3.x → 4.0 documented + smoke-tested against shade migrate-storage on a real SQLite DB. - docs/audit/REVIEW-BUNDLE.md + SCOPE.md ready for external reviewer. - scripts/soak.ts harness for the GA-stable 2-week soak window. - All V*.md plans archived under docs/archive/ with Status: Done. - Voice/Video carved out into V5.0; 4.0 audit focuses on the frozen non-realtime stack. Tests: TS 1000/1000 + Kotlin 11/11 cross-platform vectors green. Docker: gt.zyon.no/stian/shade-prekey:4.0.0 builds and reports version 4.0.0 on /health. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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docs/archive/V3.7.md
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# Shade V3.7 — Transport Bridge (SSE / long-poll)
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**Status:** Implementert
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**Effort:** M (2–4 uker)
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**Forrige:** V3.6
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**Adresserer:** V2.3 §3
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**Leveranse:** `@shade/transport-bridge` 0.1.0 + `createBridgeRoutes` i
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`@shade/inbox-server`. Brukerveiledning: [`docs/transport.md`](../transport.md).
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---
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## Mål
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Apper som ikke kan eller vil bruke WebSocket — strenge proxies,
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browser-extensions, edge-environments — får **ferdig pattern** for å ta imot
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små meldinger og kontroll-signaler. SSE som primær fallback, long-poll som
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sekundær.
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---
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## Scope
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### Inn
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- `@shade/transport-bridge` — ny submodul i `@shade/transport` (eller egen
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pakke).
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- SSE-endpoint i `@shade/server` (kombineres med inbox fra V3.6 for "hent
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fra inbox uten plaintext").
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- Long-poll fallback med konfigurerbar timeout.
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- Felles `IncomingMessage`-modell — applikasjonskode behøver ikke vite om
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transport.
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- Auto-fallback: WS → SSE → long-poll (samme mønster som transfer-transport).
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### Ut
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- HTTP/2 push.
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- WebTransport — browser-støtte fortsatt umoden i 2026.
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---
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## Design
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### Felles type
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```ts
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interface IncomingMessage {
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from: string;
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bytes: Uint8Array;
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receivedAt: number;
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}
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interface BridgeTransport {
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connect(opts: { onMessage(msg: IncomingMessage): void }): Promise<void>;
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disconnect(): Promise<void>;
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}
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```
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### SSE
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- Endpoint: `GET /v1/bridge/stream` med `Last-Event-ID` for cursor-resume.
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- Server-side: emitterer `envelope-ready`-event når inbox får ny.
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- Klient åpner én EventSource; reconnect på drop.
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### Long-poll
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- Endpoint: `GET /v1/bridge/poll?since=:cursor` blokkerer til melding klar
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eller 25 s timeout (under typiske proxy-cutoffs).
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- Klient repeterer.
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### Fallback
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- `FallbackBridgeTransport([WsBridge, SseBridge, LongPollBridge])` prøver i
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rekkefølge.
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---
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## Leveranser
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### Kode
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- `@shade/transport-bridge` med `WsBridge`, `SseBridge`, `LongPollBridge`,
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`FallbackBridgeTransport`.
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- Server: SSE og long-poll routes på `@shade/server` eller
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`@shade/inbox-server`.
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### Tester
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- Unit: hver bridge åpner/lukker korrekt; reconnect på drop.
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- Integration: WS down → faller til SSE; SSE 502 → long-poll.
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- Same `IncomingMessage` shape ut fra alle tre.
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### Dokumentasjon
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- `docs/transport.md` utvidet med bridge-oversikt.
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---
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## Akseptansekriterier
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- [x] Samme test-suite "send 100 small messages" passer på alle tre
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transports.
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- [x] Klient som starter med WS og blokkeres av proxy fortsetter
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automatisk via SSE uten meldingstap.
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- [x] Long-poll-fallback bruker ikke mer enn én outstanding request per
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klient.
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---
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## Avhengigheter
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- V3.6 — naturlig komplement; SSE-payload er typisk "envelope er klar i
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inbox".
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---
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## Risiko
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- **Reconnect-cykluser.** SSE som flapper kan tape meldinger. Mitiger med
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Last-Event-ID + at server beholder kort buffer.
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- **Long-poll keepalive.** Proxy-timeouts kan kutte før 30 s; juster
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default til 25 s.
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---
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## Migrasjon
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Additivt.
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