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Operator decisions (tmp-decisions.md D1/D2/D4):
- the hub keeps serving the web UI (zero-install path stays)
- a native desktop client is offered ALONGSIDE it, not as a replacement
- hub minimization is off the critical path and may be dropped
Phase 12 was "Hub minimization: registrar and nothing more". Most of it is
dropped: route-inventory blindness test, opaque private-group metadata,
chat_notify metadata minimization, residual schema cleanup. The swarm item
already shipped in 11.5.18.
Two items are kept, because the decision makes them more relevant rather than
less — the hub stays in the trusted path by choice, so what it can substitute
and what code it serves both still matter:
12.1 key transparency + safety numbers [H3]. This is the last open High
finding and nothing else fixes it: the hub is the public key directory,
so substituting a key during an invite hands it the group key silently,
with no JWT forgery and no code injection. Dropping Phase 12 wholesale
would have left it open indefinitely.
12.2 served-SPA integrity: CSP, SRI, and a hub-published signed digest of the
bundle so a native client can verify what the browser was given.
12.3 honest labelling of /app/ as the hub-served path.
12.4 written threat model — the thing that stops the overclaiming pattern.
Recorded consequence: T3 is now accepted permanently for browser users. A hub
that serves the code can exfiltrate keys from the page whatever the protocol
does. The claim that still holds, and that the docs should make, is "the hub
cannot read your content unless it actively attacks you" — not "unreadable by
other parties, even the hub".
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Second architecture and security review (second-review.md): 6 critical and
7 high findings against the Phase 12 implementation, plus an assessment of
whether the system meets its end-to-end confidentiality claim.
Roadmap rewritten against those findings (devel-phases-next.md): new blocking
Phase 11.5 (security remediation), Phase 12 (hub minimization), Phase 13
(native desktop client). Old phases 12-17 renumbered to 14-19.
tmp-decisions.md records two open decisions: whether the hub keeps serving
the web UI, and browser extension vs native desktop client vs both.
CLAUDE.md and devel-phases-next.md also carry pre-existing Phase 12 edits from
the working tree that could not be cleanly separated from the review changes.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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When watchdog detects file changes, the daemon now:
- Pushes INDEX_SYNC to all connected WebRTC peers in that group
- Registers file hashes with hub /v1/swarm/register endpoint
Also registers all file hashes on startup for initial discovery.
hub_client: add register_swarm() method for bulk hash registration.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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The node daemon was previously a skeleton that only started QUIC/TCP
servers and the local web UI. All browser-facing functionality (WebRTC,
hub WebSocket, chat store, HTTP file API) lived in QE demo scripts.
This rewrites daemon.py to be fully self-contained:
- WebRTC transport for browser clients (aiortc DataChannel)
- Hub WebSocket task (signaling, revocations, WebRTC offers)
- ChatStore per group (SQLite in ~/.local/share/meshbay/)
- HTTP file API per group (create_http_app on configured port)
- Graceful shutdown (all transports, stores, tasks)
- hub_client: _ws tracking + send_ws() for chat notifications
- config: data_dir field for persistent state
- systemd: security hardening (ProtectSystem, StateDirectory)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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packaging)
Phase 11 (node daemon production-ready) is the critical next step — all
WebRTC, WS, chat, and HTTP wiring currently lives in the demo script
and must move into the daemon.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace download-then-play VideoPlayer with MSE (MediaSource Extensions)
streaming. Node remuxes to fMP4 via ffmpeg, probes codecs with ffprobe,
and sends encrypted segments over DataChannel. Browser decrypts and
appends to SourceBuffer — playback starts within seconds.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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search)
Six self-service features for the web SPA:
- Group creation UI with GEK auto-generation (AES-256-GCM ECIES)
- Member management + invite by username (GEK wrapping for invitee)
- Open group self-join flow (POST /v1/groups/{id}/join)
- File upload client→node (FILE_UPLOAD MNP type, .uploads/ staging)
- IndexedDB caching of group file indexes (instant display on revisit)
- Cross-group file search (SearchPage, pure client-side on cached indexes)
11 new tests (166 total): 8 group self-service + 3 AES GEK wrap/unwrap.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- 10.5: Notification model + CRUD API (list, mark read, mark all read)
Triggered on: group invite, role change, suspend/unsuspend
- 10.6: SettingsPage shows role, per-group notification mute (localStorage)
- 10.7: GET /v1/groups?q= search filter (ilike on name)
- 10.8: NotificationFeed on home page + bell with unread badge in navbar
- 10.10: GET /v1/hub/version endpoint for client update checks
- 8 new tests (test_notifications.py), 155 total
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Site overlay: landing page, /about, /downloads (dark/light, responsive)
- User role column (user/moderator/admin) with config-based admin sync
- require_moderator dependency + admin API (8 endpoints: stats, users,
groups, audit logs)
- Admin SPA panel at #/admin with 5 tabs (stats, users, groups, logs,
blocklist) — visible only to moderators/admins
- SPA also served at /app/ for Caddy site overlay integration
- GET /v1/users/me returns current user role
- 15 new tests, 147 total passing
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Complete browser-based client: Preact SPA with login, group file browser,
encrypted download, video playback, group chat, i18n, and dark/light theme.
Browser connects P2P to nodes behind residential NAT via WebRTC DataChannel
(aiortc). Hub handles signaling only — all data flows E2E.
Performance: pipelined downloads (8-chunk sliding window), binary msgpack
wire format (no base64), redundant I/O elimination. Large file downloads
stream to disk via File System Access API (showSaveFilePicker).
Validated on SFR + Orange residential NATs, Chrome + Firefox, IPv4/IPv6.
132 tests passing. Deployed to meshbay.org + Orange node.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Browser clients can now connect P2P to nodes behind residential NAT via
WebRTC DataChannel with ICE/STUN. Validated on SFR Port-Restricted Cone
NAT + 4G CGNAT across three scenarios (WiFi LAN, 4G IPv6, 4G IPv4 STUN).
No TURN relay needed. Hub serves only as signaling relay (<1 KB).
New files:
- webrtc_server.py: aiortc-based WebRTC transport (node side)
- signaling.py: SDP/ICE relay endpoint (hub side)
- transport.js: browser WebRTC client with msgpack framing
- webrtc-test.html: spike test page for browser→NAT→node validation
- test_webrtc_transport.py: 4 tests (handshake, file transfer, auth, guard)
- meshbay-draft-v4.md: architecture spec updated for web client
Modified:
- hub_client.py: WebRTC offer handling via hub WebSocket
- revocation.py: node_id from WS auth + webrtc_answer routing
- pyproject.toml: aiortc>=1.9 dependency
123 tests passing (117 existing + 6 new).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Implements all 8 milestones (7.0-7.7):
- 7.0: JWT carries `groups` claim; node verifies group membership at
MNP handshake (QUIC + TCP+TLS). Resolves security review C2.
- 7.1: QUIC 0-RTT session resumption via stored session tickets
(17-21ms reconnect vs 47ms cold).
- 7.2: Hub→node WebSocket signaling for NAT punch coordination
(`client_incoming`/`punch_ready`) + jti denylist push. Denylist
class blocks revoked users/jtis at handshake.
- 7.3: Multi-group daemon — one QUIC port serves N groups with
per-group GEK, shared_root, and index routing.
- 7.4: HLS streaming via QUIC (STREAM_SEGMENT message type, ffmpeg
segment extraction).
- 7.5: Sender Keys protocol for group chat (Signal Groups approach).
Each member has own sending chain key, HKDF chain ratchet, AES-256-GCM
encryption, Ed25519 signing. Resolves security review C1.
- 7.6: Chat store (SQLite via aiosqlite), CHAT_MESSAGE MNP wire type
with peer broadcast, web UI with WebSocket push.
- 7.7: Argon2id calibration CLI.
First security review included (first-review.md). 109 tests, demo-v3
validated against meshbay.org production hub.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Multi-group: single QUIC port (multiplexing), group_id from JWT.
Signaling punch/connect: hub WS client_incoming/punch_ready protocol,
reduces handshake 12.7s → < 200ms. SFR Port-Restricted findings added.
Chat model: between forum and Signal — persistent, threaded, E2E,
per-group scope, push for online / pull for offline members.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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Phase 7: Node v2 (multi-group, 0-RTT, HLS QUIC, chat)
Phase 8: Hub v2 (admin roles, MHP network, CSAM)
Phase 9: Android MVP (Kotlin, quiche JNI, STUN)
Phase 10: Web client v2 (private group AES-GCM, HLS player)
Phase 11: Network resilience (TURN relay, 0-RTT, CGNAT)
Phase 12: RPM/DEB CI/CD
Open questions per phase documented.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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