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* fix(spa): a reconnect must give the Chat composer backChristophe Besson2026-09-092-3/+128
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Chat tab froze about every other day — the textbox stopped taking clicks — and it never recovered on its own: no timeout ends this one, only leaving the group or restarting the client. A console dump of a session it happened in ruled out everything it could and named nothing. What that dump established was almost entirely negative, and that was the useful part. No `Response timeout`, no `unsolicited`/`unrouted`/`with nothing waiting` — so the 2026-08-30 routing defect, which produces this exact symptom for thirty seconds, had not recurred. No `PC state: disconnected|failed`, no second ICE cycle, no `Reconnected after N attempt(s)` — so the connection was alive and untouched. The freeze was in the page, and no path that logs anything had run. The composer is `disabled=${sending || cannotSend}`, and `cannotSend` was `transport.connected && !transport.devicePk`, read off a **ref** during render. `devicePk` is settled inside connect(), so every reconnect clears it and settles it again; a ref changing re-renders nothing, and nothing else announced it. So the panel went disabled on whatever unrelated re-render came next — a message arriving — long after the identity was actually lost, and had no event that would open it again. group-page.js never touches `status` after 'connected', and `onReconnected` is claimed by video-player.js, so there was no second chance. It was silent as well as sticky. `_announceDevice` had three exits that wrote `devicePk` without a word: two early returns that left the *previous* connection's value standing, and a reply that is not `device_hello_ack` — an `error` reply does not throw, so the `.catch()` at the call site never saw it. Reproduced in chat_send_probe.py, which mounts the real ChatPanel over the real transport: with the old code, identity cleared leaves the composer open, an arriving message latches it shut, and restoring the identity does not reopen it. Every write to `devicePk` now goes through `_setDevicePk(pk, why)`, which logs, traces and calls `onDeviceIdentity`; group-page holds the answer as state and ChatPanel takes it as `deviceReady`. Defaulting that prop to `true` fails open — a wiring mistake here must not be able to leave anyone with a dead textbox. Two things found on the same path and fixed with it. `_send` throwing inside _sendAndWait's executor left the pending entry and its 30s timer behind, so a request that never reached the wire still logged a "Response timeout" half a minute later. And the instrumentation this was meant to be diagnosed with (3be8bd2) writes to localStorage behind ?trace=1, not to the console, so the dump could not have carried it: the two lines that decide the composer's state are now logged unconditionally, and MeshBayTrace gains `record` so the composer writes into the same timeline as the channel events. Hub suite 2264 passed, 4 skipped. chat_send_probe.py gains a `reconnect` scenario and test_chat_send.py four cases, each checked against the unfixed source. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019GXmScYB1uR29YCt74si9J
* fix: the PDF preview needs object-src and frame-src, in both policiesChristophe Besson2026-09-092-6/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A PDF preview showed the "this browser will not display the PDF inline" fallback everywhere — in the desktop client since its first launch, and in the browser since the hub started sending a CSP on 2026-09-01. It read as a missing native feature because before that commit the hub sent no policy at all, so Chrome had once worked and the application never had. Two directives govern one feature. `files-app.js` decrypts the file in the page and hands it to `<object type="application/pdf">` from a Blob; Chromium loads that as plugin data (`object-src`, absent and therefore falling back to `default-src 'none'`) and then renders it in an internal frame (`frame-src`). Opening either alone changes nothing visible — the second refusal produces the same fallback. `'self'` covers neither: a same-origin `blob:` URL is not matched by it in either directive, measured in Chrome 152 against the deployed page and in Electron 44 against the client's own policy. `plugins` stays at its default `false`: the built-in viewer is not behind that flag on Electron 44, verified by rendering one. Widening `object-src` from `'none'` to `blob:` admits only what page script minted itself, at a type this code sets — PDFium parsing bytes that came from a node, which is what any browser does with the same file once downloaded. Tests: each policy is pinned to carry `blob:` in both directives (each fails if either token is removed), and the two policies are now held identical directive by directive apart from the two deliberate differences — the comment claiming they were the same had already drifted and nothing checked it. The CSP source parser in test_desktop_shell.py read `//` comment lines as directives, which is the "parse directives, not text" mistake this file already records; it skips them now. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XauykfBvRrpy6RYbF6F7Wu
* fix(spa): say why a download cannot be pausedChristophe Besson2026-09-091-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | Reported from Chrome, with a screenshot: four downloads with no pause button and an upload beside them with one, and nothing anywhere saying why. The reason is real. Without a granted download folder the browser writes through the service worker — a download it already owns, which cannot be paused without stalling it somewhere we can neither see nor resume. An upload writes to the node, which keeps the position, so it is always pausable. But that was stated only in a Settings line nobody reads on the way to a download, and a gap where the row above has a button is not an explanation. So a download that cannot be paused now shows a dimmed pause icon where the button would be, carrying the reason and the remedy in its tooltip. Not a button: there is nothing to click, and a disabled one invites the click anyway. And only where the advice can be taken. Firefox and Safari have no folder to choose — the streamed path is the only target they have, which is what §6.5 of ~/next/improve-downloads.md costs out — so telling someone there to choose one would be advice they cannot follow. Nothing is drawn. Hub suite 866 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): a paused transfer is not a finished oneChristophe Besson2026-09-091-0/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported while testing the flag day: pausing an upload put it under "Finished". "Finished" was defined by exclusion — everything that is not running, queued or preparing — so it swallowed `paused` the day pausing shipped. A transfer somebody stopped on purpose then sat beside the ones that are actually over, offering a resume button in the section of things that cannot be resumed, and dropped out of the badge, which announced less activity than there was. Paused is now its own group, in all ten catalogues, and counts as active: it is not over, the person means to come back to it. The three filters are lifted out of `app.js` and executed rather than described in the test, and one case asserts that every status lands in exactly one group — a state added later that falls into none is a transfer the panel simply does not show, which is how this one got in. The same report also said the three running downloads lost their pause buttons when the upload was paused. That part is **not** explained and **not** fixed: the store returns `pausable` true and status `running` for all three (new test), closing an upload lease pumps only the upload queue, and the button's condition is a pure function of those two. All three say the buttons should have stayed, so an observation is missing rather than a cause. Hub suite 864 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* feat: MNP 3.0 — a transfer needs a leaseChristophe Besson2026-09-092-0/+215
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stage 4 of ~/next/improve-downloads.md, the flag day. Leases become compulsory and a 2.x peer is refused at the handshake. **The bound on leaseless reads (§3.4.1) did not exist, and it is what makes the rest mean anything.** Browsing a group is never subject to a transfer slot — that is an operator decision and a requirement: a member must be able to browse a group at capacity exactly as they browse an idle one. But "not leased" cannot mean "unbounded", or a client that simply omits `tr` transfers outside every cap and the caps are decoration. A session may now read two distinct files at once without a lease: one because a viewer looks at one file, two so that prefetching the next photo stays possible. A count of files and not a byte budget, because a RAW photo is 60-80 MB and is browsing while a 40 MB archive is a download, and no size threshold separates them. Thumbnails, posters and cover art never reach this check at all — they resolve out of the node's own cache. It is a fairness control among cooperating clients, in the company of `max_concurrent_streams`, and is not a defence against a member determined to saturate a node's disk. That member is a member, and the answer to them is `member revoke`. **MNP_VERSION and MNP_MIN_SUPPORTED both move to 3.0**, on both sides. The messages are additive; the requirement is not. An opt-in switch would leave a leaseless branch reachable on every node, which is finding C6's lesson — a transport that accepted a bare JWT — one feature later. **The desktop client now checks before it connects.** The SPA is served by the hub and picks up a new client on reload; the application ships its own interface, so an un-updated one would sign in, list groups, and fail every connection with `version_too_old` — a refusal in a protocol vocabulary with nothing anyone can act on. It asks `/v1/hub/version` for `client.minimum` and says so plainly instead. An unreachable hub is deliberately *not* "too old": a captive portal or a closed laptop must not make starting the application impossible. **Every package is aligned on 0.13.0.** `meshbay-client/package.json` had drifted to 1.0.0 while the Python packages were on 0.12.0 — invisible until something compared those numbers, and then load-bearing: an installed client announcing 1.0.0 sorts above a 0.13.0 minimum and walks through the gate meant to stop it. That is stated in the code rather than left to be rediscovered; it is acceptable exactly once, because the operator is updating every client, node and hub by hand for this flag day. A new test fails if two packages ever disagree again, and another fails if the hub would refuse the client the tree builds. Node suite 1209 passed, hub suite 861 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): wake the download worker before handing it a streamChristophe Besson2026-09-092-5/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported from Chrome: a download started while an upload was running took thirty seconds to begin, every time. The console named it exactly — /_mbdl/mtty5btz-sbmgdegx 404 () [MeshBay] the worker did not answer the download within 15s (attempt 1) A 404 from the hub means the request reached the *network*: the worker looked, found no entry for that id and let it through. So the worker was alive and controlling the page, and the message handing it the stream had simply never been processed. `pending` lives in the worker's memory, and a worker with nothing to do is terminated within tens of seconds. A WebRTC upload gives it no events at all, so minutes of uploading leave it dead; the stream posted to it is lost, silently, and the iframe then wakes it with nothing to find. `mbdl-ping` already existed for this exact reason -- sent every ten seconds *while* writing, because a streaming response does not count as activity. Nothing sent one before *starting*. So a download now wakes the worker and waits for the pong, and `sw.js` answers `mbdl-ready` once it has actually stored the entry, which the page waits for before navigating: confirmed rather than assumed. A worker that predates the ack sends nothing and the page navigates anyway, which is what it did before. This cause was measured and wrongly dismissed hours earlier, with an idle probe that made the worker work between its own attempts -- it never actually slept. A measurement that does not reproduce the conditions refutes nothing. The harness now models a worker that is asleep: a ping wakes it, and anything else posted while it sleeps is lost, which is what made the failure silent. `test_backpressure_is_real` read the first `worker.postMessage` in the function to check that the readable half is transferred rather than copied. The wake-up put a ping in front of it, so it began inspecting a call that carries only a port -- and kept passing. It now checks every post, each bounded by its own call, since the keep-alive ping transfers nothing at all. Same shape as the upload-seal contract this morning: a guard that reads "the first" stops guarding the moment something is inserted before it. Hub suite 851 passed. Both new cases checked against the unfixed source. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* feat: resume an interrupted upload, and pause oneChristophe Besson2026-09-094-12/+141
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stage 8 of ~/next/improve-downloads.md, second half, plus the gap it exposed in stage 7. **Asking where to resume.** The node identifies an upload by (member, directory, filename), so a client resuming one has to name the file — and `transfer_open`, the obvious place to ask, travels in clear. Naming it there would undo exactly what sealing this path bought in MNP 2.0: before it, the same file was ciphertext leaving a node and plaintext arriving at one. So the question is asked inside the seal that already exists, as an ordinary `file_upload` with no bytes and `chunk_index: -1`. The node writes nothing, creates no state, reserves no name, and answers with `resume_from` in the sealed ack. A node that predates it refuses the index, which the client reads as "start from the beginning" — the behaviour it had anyway — and the wait is bounded so one that answers neither does not strand an upload. The probe is answered after every check the write path makes, so it cannot ask questions about a directory the caller may not write to, and it answers only about the member who asks: otherwise one member could measure another's progress on a file they never sent, and worse, resume it. **Pausing an upload.** Reported: no pause button on an upload, even in the desktop app. Stage 7 built pause around the download path — a target declares whether it can be stopped — and an upload has no local target to ask. It was also refused by design, since a transfer handed a lease it cannot re-create must not be offered a button that would drop its slot for good. Uploads now ask for their slot rather than being handed one, and say they are pausable outright: a File is seekable and the node keeps the position. Resuming re-probes rather than trusting the client's own memory, so it works across a reconnect too. **And the slot they hold.** `_do_file_upload` never called `slots.touch(tr)`. Chunks are not gated by the lease, so the file arrived — but the node reclaimed a grant nobody appeared to be using after thirty seconds, twice, then abandoned it, and the widget follows the lease. Measured from the journal: a 3.5 GB upload read "waiting, 0 ahead" for a minute and a half while it was transferring. The download twin of this was fixed on 2026-09-08; the same omission was still here, invisible until uploads took a real lease. `test_the_upload_itself_is_sealed` now checks every message `uploadFile` sends rather than the first. Adding the probe put a second one in front of the one it was written for, and it would have kept passing while guarding nothing. Node suite 1202 passed, hub suite 850 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): stop reloading a healthy page at bootChristophe Besson2026-09-091-47/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported from Chrome: connecting to a group triggered a page refresh within seconds, taking the WebRTC session down with it. The boot check added with the bypass repair asked its question by *performing a download* -- a four-byte stream through a hidden iframe. Chrome rations the downloads a page may start without a user gesture to about three, measured: on a first visit three consecutive attempts went served, served, refused. So the check competed with the person's own downloads for that budget, and its answer depended on how much of the budget was left. On a healthy page it concluded the worker could not serve, and reloaded. The same mistake the repair was written to fix, from the other side: paying a capability to obtain a diagnostic. The replacement costs nothing and asks nothing. Measured on Chrome, at document start, before anything registers: first visit controller false, registration false ordinary reload controller true, registration true hard reload controller false, registration true Being uncontrolled while an active registration already exists names a hard-reloaded document exactly, so that is now the whole of the evidence. A first visit is uncontrolled too and is not a bypass -- the worker is installing and will claim the page in a moment -- which is precisely the case that was reloading. Four cases, each checked against the unfixed source, including that priming performs no download at all. Hub suite 847 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* docs(spa): say that a download with no folder cannot be pausedChristophe Besson2026-09-092-11/+71
| | | | | | | | | | | | | | | | | | | | | | | | Reported from testing 7a: pause worked in the desktop app and no button appeared in Chrome. That is the design working — without a granted download folder, "save automatically" means the service worker, and that target is a download the browser already owns — but nothing anywhere said so, and choosing a folder looked like a question of where files land. So the Settings line now says what it costs not to choose one, in all ten catalogues. It renders only where a folder can be chosen at all, which is exactly the browsers the advice applies to. Also pins the tier table the pause button is drawn from: a granted folder, a save dialog and the desktop sink can be paused, a service-worker stream cannot. Four cases through the real `_openDownloadTarget`, and one more that reads the value off the real `downloads.js` rather than a stub of it -- the first version of these stubs did not carry the field at all, so the cases would have passed while checking nothing. Hub suite 847 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* feat(spa): pause and resume a download, in sessionChristophe Besson2026-09-092-0/+228
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stage 7a of ~/next/improve-downloads.md: pausing within a session, on the targets that can actually do it. Resuming across a reload is 7b. A paused transfer holds **nothing**. Its slot goes back to the node the moment it stops and resuming rejoins the queue at the tail, because anything else lets one member close a node by pausing four downloads and going to lunch. So the lease is taken inside the run loop rather than before it, and pause is refused outright for a transfer that could not ask for another one. Resuming is exact rather than approximate: the pipeline stops between two chunks and never inside one, so what is on disk is always a whole number of chunks and `fromChunk` is a verified position. The failure mode being avoided is a file that looks complete and is quietly corrupt. The target has to survive it, so a pause no longer reaches the `abort()` that a failure does -- that would delete Electron's `.part` or the file just created in the granted folder, leaving nothing to continue. And the in-memory fallback keeps its accumulated chunks rather than starting a second array. The button is drawn only where the target says it can. A service-worker stream says no, in its own code and for its own reasons: the browser is already writing an HTTP response into its own download folder, not feeding it stalls that download where we cannot see or resume it, and an idle worker is terminated within seconds. Firefox and Safari therefore keep cancel and get no pause, which is the decision recorded in §6.5. Cancelling a paused transfer ends it. A paused run is parked on a promise; without waking it the row said "cancelled" over work that had not stopped and a target that was still open. Six cases, each checked against the unfixed source. Hub suite 842 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): repair a bypassed page in seconds, not half a minuteChristophe Besson2026-09-091-2/+52
| | | | | | | | | | | | | | | | | | | | | | | | | The repair worked but arrived too late to help: about thirty seconds after a hard reload, by which time four downloads had been started and hung, and the page reloading under them read as an unexplained refresh. Two delays, both removed. `_claimController` waited its whole control budget before asking for the claim. A page that is uncontrolled while an active worker exists will never be claimed on its own -- a document fetched by a hard reload is exactly that shape -- so the fifteen seconds were spent waiting for something that was not coming. The claim is now asked for first; waiting is the fallback, not the opening move. Measured in the harness: 6042ms of a 6000ms budget before, milliseconds after. And a download that starts while the self-test is still running now waits for it rather than racing it. Otherwise the click spends both its attempts failing on a path that is about to be repaired, which is what put four frozen rows on screen. Hub suite 836 passed. Both new cases were checked against the unfixed source. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): repair a page the download worker cannot serveChristophe Besson2026-09-091-0/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Downloads on Firefox failed with "the worker did not answer the download within 15s", every time, for one operator, while the same profile driven from here succeeded every time. Their own test sequence found it: a freshly started browser downloaded four files out of four, twice; one Ctrl+F5 and every attempt afterwards failed; restart, fine again; Ctrl+F5 before any attempt and the very first one failed. A document fetched by a hard reload is loaded with the service worker bypassed. It can still be claimed afterwards, so `navigator.serviceWorker.controller` comes back and every check in `_claimController` passes — but the navigations that document starts keep missing the worker, and the hidden iframe a streamed download needs is a navigation. On Firefox and Safari that is the only way to write a file too large to hold in memory, so the download cannot happen at all, for the life of the page. Being controlled is not being servable, so priming now asks the question directly instead of inferring it: a four-byte stream and a hidden iframe, exactly as a real download would, torn down completely so nothing lands in the download folder. When it goes unanswered the page reloads once, ordinarily, which puts it back under the worker. The flag lives in sessionStorage rather than a variable because it has to survive the reload it triggers, and because a page that is still unservable afterwards must stop rather than loop. Also stops telling people to change browser. The message said "use the desktop app, or Chrome or Edge" for a state an ordinary reload undoes, on the one path Firefox has no alternative to; all ten catalogues now say to reload first. The hard reloads were on my instruction: the SPA's HTML is served `no-store`, so a plain reload has always picked up a new build and Ctrl+F5 was never needed. Hub suite 834 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): nothing on the worker path may wait for everChristophe Besson2026-09-091-6/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Four downloads on Firefox sat at "preparing" indefinitely, with the target queue already bypassed there, so each opening was hanging on its own. The node journal showed `d=0/8(q0) u=0/8(q0)` — no transfer had been asked for yet. `_claimController` had two waits with no deadline at all, `navigator.serviceWorker.register()` and `navigator.serviceWorker.ready`, while SW_CONTROL_BUDGET_MS bounded only the wait that comes after them. `_swPromise` is shared, so one unsettled wait left every download on the page suspended on the same promise for the life of the tab. Measured on Firefox 154, against a local 127.0.0.1 site so no hub was involved: a worker that installs gives register() in 8ms and ready in 0ms; a worker whose install handler rejects gives register() in 7ms and a `ready` that never settles — still pending past ten seconds. register() resolves as soon as the registration object exists, carrying nothing but an *installing* worker; ready is what waits for an active one. Every wait is now inside one budget, with two carve-outs so that a deadline never costs a capability. A `ready` that times out while registration.active is set is not fatal: ready may be waiting on a newer worker that cannot install while an older one serves perfectly well. And the mbdl-claim recovery keeps its own budget outside the deadline, because giving up there would cost Firefox the only unbounded way it has to write a download to disk. A deadline alone would have been a better-explained failure rather than a fix: a registration stuck with nothing but an installing worker does not heal, and every later visit finds the same one. So when ready times out with no active worker, the registration is discarded and asked for once more with a fresh budget, and the page repairs itself instead of needing developer tools. Four cases pinned, each checked against the unfixed source. Hub suite 830 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): the target queue must not be able to freeze a batchChristophe Besson2026-09-091-31/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Four downloads on Firefox all sat at "preparing", with the node journal showing `d=0/8(q0) u=0/8(q0)` — not one transfer opened, so nothing had got past the client's target opening. Serialising those openings was new in d6c4808, and on Firefox it regressed what had always worked: four openings that ran at the same time began waiting on the slowest. `_targetQueue` is module-level and never reset, so an opening that never settles leaves the page unable to start any download again until it is reloaded. Two bounds, both narrowings of the queue rather than of any capability: Only an opening that could actually show a dialog joins it. Firefox and Safari have no `showSaveFilePicker` at all, so nothing there can race anything and the queue bought nothing while costing everything; they now bypass it entirely, which restores the previous behaviour by construction rather than by tuning. And no opening waits behind another for longer than TARGET_QUEUE_BUDGET_MS (90s) — generous enough never to cut in front of a real dialog, finite because the alternative is a download panel that only a reload can fix. Releasing early is safe: whatever is ahead is still the only unbatched opening, so the released one takes the streamed path and opens no second dialog. Measured on Firefox 154 against the deployed hub before writing any of this: `register` and `ready` return instantly, the page is controlled, and four serialised openings are served in 5-18 ms. The streamed path was never the delay; the queue was. Both new cases were checked against the unfixed source: without the bypass the peak concurrency is 1 instead of 4, and without the budget the stuck-opening case hangs. Hub suite 826 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(spa): one save dialog per batch, not one per fileChristophe Besson2026-09-094-4/+123
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Selecting four files on Chrome produced a Save As dialog for the first, then one for the second only after that file had finished, while the last two timed out; on a later attempt the three remaining transfers appeared frozen. Two things were going on. Opening the target inside `prepare` had removed the accidental serialisation that `for (…) await downloadFile(e)` used to provide, so `_openTargetInTurn` now queues the openings — but a queue whose head is an unanswered dialog is a head-of-line block, which is what the "freeze" was. The code already recovered from a picker with no gesture behind it by streaming instead, on the `SecurityError` Chrome throws. That branch was never reached: Chrome does not throw, it shows the dialog anyway and waits for a human. So anything that has to wait its turn is now marked `batched`, and a batched opening prefers the streamed path whatever the download mode says. The first file of a batch — the one actually holding the gesture — still gets its dialog, so the preference is honoured where it can be. For the rest there is no gesture left to spend and nothing is lost by streaming: the file still lands on disk, in the browser's own download folder. Only the choice of folder goes, and it was not on offer. If the worker does not answer, a batched download falls back to the dialog rather than failing. Also logs which path led to a dialog. A dialog is the one outcome nobody can diagnose after the fact — it looks the same whether it was asked for or fallen back to — and the report this fixes needed three test cycles to narrow. The two harnesses that lift `_openDownloadTarget` as text now route console.info to stderr, since they parse stdout as JSON. Measured against the deployed hub in Chrome 152: the streamed path serves the hidden iframe in 2-3 ms on a normal load, after a hard reload (via the `mbdl-claim` recovery already in `_claimController`), and twice in the same document. Hub suite 824 passed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(hub): the transfers row exists from the clickChristophe Besson2026-09-082-2/+131
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clicking Download produced nothing — no row, no icon, no panel — for as long as it took to open somewhere to write, and then several rows at once. The streamed path waits for the worker twice; a Save As dialog waits for a person. The row was created after that, so the slowest part of a download happened with nothing on screen to say it had begun. The store gains a `prepare` step, distinct from `run`, and the order is now: row, then target, then slot. That last part is why the obvious fix was wrong. Taking the slot first would let the row appear immediately, and it was tried this morning: a granted slot has to be taken up within the node's deadline, opening a target can outlast it, and three downloads became one. (The diagnosis at the time blamed that ordering for revocations which were in fact a missing `touch()` call — the revert was right for the wrong reason.) `makeLease` is called after `prepare` succeeds, never before. Three behaviours fall out, each with a test: - a dismissed dialog leaves nothing behind. `prepare` returning false drops the row: nothing started, so nothing should remain on screen to explain it; - the row takes the name the file was actually saved under, once known; - a refusal above the memory ceiling fails the row that is already there, rather than creating one to kill it. `preparing` counts as live everywhere — badge, cancel, clearFinished, and `_busy`, since closing a transport under a preparing transfer strands it exactly as under a queued one. Six places asked "is this finished?" and were drifting apart; there is one definition now. Two mistakes in the tests, worth the note: one counted positions in an output array by hand and was one out, which reads exactly like a failing assertion about the code — the values are tagged now, not indexed. And test_zip_size_limit.py's stub did not run `prepare`, so it no longer reached the size check the file is about; it now behaves like the real store. 819 hub, 1169 node, 0 failed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* feat(hub): client-side transfer leases and the transfers panelChristophe Besson2026-09-084-5/+375
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Steps 5 and 6 of ~/next/improve-downloads.md. The node has handed out slots since step 2 and nothing asked for one; now the client does, and the panel shows what is happening. `transport.openTransfer()` returns a Lease: `acquire()` resolves when the node grants, `release()` gives it back exactly once, and nothing else in the client speaks to the node about slots. Whether a node hands out slots is read from the handshake ack rather than guessed from a timeout — "no answer yet" and "this node will never answer" are indistinguishable in time, and guessing wrong either stalls every download or defeats the cap. Two things exist only because a queue can lie: a watchdog re-asks when a pushed grant does not arrive (the node is idempotent on `tr`, so asking again is free), and a grant for a transfer the page has forgotten is handed straight back rather than held until the node's deadline. The slot is asked for **after** there is somewhere to write, and that ordering is load-bearing: opening a target takes thirty seconds of streamed-download timeouts, or as long as somebody leaves a Save As dialog open, and a grant not taken up in time is revoked. Moving it earlier looked better and broke three downloads into one. Pinned by a test. The panel groups by state — running, waiting, finished — rather than re-sorting a flat list, so a row moves only when its own state does. The ETA is withheld until the speed window holds real measurement: a figure from the first two chunks swings between four seconds and an hour, and people plan around the first number they see. One live region announces state changes and not progress. Three silent paths closed on the way: a download refused for want of a user gesture (a browser grants one file picker per gesture, and downloading three files is one gesture) now falls back to the streamed path, which needs none; a click with no connection says so instead of doing nothing at all; and a queued transfer counts as busy, so a transport is never closed under one that is waiting for a grant that could then never arrive. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(hub): keep the download worker alive, and never hang on a dead sinkChristophe Besson2026-09-082-4/+159
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A download froze part-way through, on Firefox, with an empty console and a node that stayed perfectly healthy. Three separate measurements cleared the node (615 MB pulled whole over MNP), the transport (three files interleaved on one connection, 1.5 GB, all whole) and the service worker (three concurrent 150 MB streams in real Firefox 154) — because none of them was wrong. The empty console was the evidence. `_sendAndWait` logs every timeout, so no chunk request had expired: the client was not waiting on the node. Of the three awaits left on that path only one was unbounded. **A service worker with no event for about thirty seconds is terminated**, and `respondWith(new Response(stream))` does not extend its life while the response is still being written. The reader vanished mid-file and `writable.write()` then never resolved and never rejected — no error, no log, no failed transfer, just a progress bar that stops. The first stress probe wrote 450 MB in two seconds and passed: fast enough to hide it entirely. Measured in Firefox 154, writing 1 MB every 2 s: without the ping it stalled at 17 MB after 59 s; with it, 40 MB in 80 s, complete. - the page pings the worker every 10 s while it writes, and the worker answers. Receiving a message is an event, and an event resets the timer; - that interval stops itself after two minutes with no write. A target can be opened and never written to — a transfer cancelled while it waits for a slot never runs, so nothing calls close() or abort() — and a timer nobody clears pings for the life of the page. It also kept the Node test process alive for ever, which is the same defect wearing a louder symptom; - `writable.write()` is bounded at 60 s and fails with a message naming the chunk. That does not fix whatever stopped a sink; it turns an unexplainable freeze into a failed transfer that says so, which is the difference between a mystery and a bug report. Also: `Content-Disposition` lost a filename to a single apostrophe. `encodeURIComponent` leaves `'` alone and `'` is the delimiter in RFC 5987's `filename*=<charset>'<lang>'<value>`, so the header became unparseable and Firefox named the file after the URL — 449 MB of film arrived complete as "mtsshk9w-ohqty535". `(`, `)` and `*` get the same treatment, and a plain ASCII `filename=` rides alongside. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(hub): let this origin frame its own download URLChristophe Besson2026-09-081-3/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three headers govern whether a page may be framed, and all three had to be wrong for the streamed download to work — so fixing them one at a time cost an afternoon of redeploys and retests. They were visible together in a single `curl -I` against the deployed hub, which is where this should have started. The streamed-download path navigates a hidden iframe to `/_mbdl/<id>` so the service worker is asked for the response it is holding. On Firefox and Safari that is the only way to write a large file to disk: neither has the File System Access API, and OPFS is capped at 10% of the volume's size (measured on Firefox 154: 389,233,459 bytes of a 3,892,334,592-byte volume, refused to the byte), which a film exceeds. - `frame-src` was reCAPTCHA's two origins with no `'self'`, so the frame could not be loaded at all. Added when the captcha needed a frame; nobody connected the two. - `frame-ancestors 'none'` forbids all framing, this origin included. - `X-Frame-Options: DENY` says the same in an older dialect. The spec says a browser must ignore it when frame-ancestors is present — relying on that while shipping a header that contradicts our own policy is asking to be surprised, and we were: the CSP was fixed and the download stayed broken. `'self'` and `SAMEORIGIN` refuse every foreign origin exactly as `'none'` and `DENY` do. The clickjacking property is untouched; what they additionally allow is this origin framing itself, which is the only thing the download needed. Pinned three ways: `frame-src` must carry `'self'`, `frame-ancestors` must be `'none'` or `'self'` and never name an origin, and the two framing headers must agree — the defect was the disagreement, and either one read as correct alone. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* test(hub): stop the Chrome profile cleanup racing its own childrenChristophe Besson2026-09-085-5/+50
| | | | | | | | | | | | | | | | | | | | | | `terminate()` signals the parent only. Chrome's zygote, renderer and gpu children outlive it by a moment and go on writing into the profile, so rmtree walked a directory that gained a file between its readdir and its rmdir and raised "Directory not empty". The probe exited non-zero, and every test in the file errored at setup — intermittently, roughly one run in three, for a reason nowhere near the chat code they were testing. TemporaryDirectory(ignore_cleanup_errors=True) in all four probes that own a profile: a few bytes left in a throwaway directory are harmless, failing the run is not. `proc.wait()` after `kill()` was also missing — a killed process still has to be reaped. layout_probe.py never cleaned up at all (mkdtemp, no removal) and never waited for Chrome; it leaked a profile into /tmp on every run. Ten consecutive runs of test_chat_send.py are clean. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(hub): never collect a large download in the pageChristophe Besson2026-09-082-6/+262
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `pipelinedDownload` with no writable allocates `new Array(totalChunks)` and keeps every decrypted chunk, so whatever `_openDownloadTarget` returns null for is held whole in RAM. That floor had no upper bound: the `!window.showSaveFilePicker` branch returned null at any size, so on a browser without the File System Access API a 20 GB film went to memory whenever the streamed path did not answer. Nothing logged, nothing refused; the symptom was the tab dying, with no error attributable to this code. MEMORY_CEILING is 100 MB and every `return null` in that chain now goes through a guard that throws above it. The refusal names the size, the limit and why the streamed path declined, and lands in the transfers panel as a failed transfer rather than in a console nobody opens. This is a guard, not a limit on what can be downloaded: with the streamed path primed and retried (previous commit), a file of any size still goes to disk progressively on every browser. Two things had to change for that to be true: - the streamed path is now tried in "ask" mode too, for a file over the ceiling on a browser with no Save As of its own. The mode decides whether to show a dialog; it was silently deciding whether a film could be downloaded at all; - FilePreview had no size check whatsoever — a multi-gigabyte PDF or .csv was fetched whole, and the text branch decoded all of it to keep 500 000 characters. It refuses above the same ceiling and offers the download. ZIP_MAX_BYTES (512 MB) and the ceiling do not contradict: the archive limit bounds the archive, the ceiling bounds what may be built in the page, so a 400 MB zip is allowed when there is somewhere to stream it and refused when the only route left is memory. The build-in-memory confirmation only appears below the ceiling now. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* fix(hub): make the streamed download path reliable, and clean up after an abortChristophe Besson2026-09-082-5/+282
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Firefox and Safari the service worker is the only unbounded way to write a download to disk: neither has the File System Access API, and OPFS is not a substitute — measured on Firefox 154, its quota is exactly 10% of the volume's size (389,233,459 bytes of a 3,892,334,592-byte volume, refused to the byte), which a film exceeds. So when this path declines, a large download has nowhere left to go, which makes its reliability a correctness property. Four ways it declined, all of them avoidable: - it was registered inside the first click on Download, so that click paid install, activate and claim while somebody watched a button do nothing; - `_swReady` cached a null for the life of the page. One slow first click left the tab unable to stream anything again, curable only by a reload nobody knew to do. Only a successful controller is remembered now; - control was waited for with a 3 s cap. It is 15 s, and a page that is active but not controlled asks the worker to claim again (`mbdl-claim`) instead of declaring the path unavailable; - a missed navigation gave up at once. It gets a second attempt with a fresh id and iframe, the failed one torn down completely first. Also closes a MessagePort leaked per download, and gives the reason a name (`lastStreamFailure`) so a refusal can say what happened. The timeouts became parameters: the defaults are the production values, no caller passes any, and the tests do not spend a minute waiting. `openTarget` gets an unrelated but adjacent fix, in the same file: it creates the destination with `getFileHandle({create: true})`, so an empty file exists before the first byte, and `abort()` leaves the target untouched — every cancelled download left a 0-byte file behind, and since `freeName` avoids collisions, three cancels left film.mkv, film (2).mkv and film (3).mkv, all empty. Its `abort()` now removes the entry. Safe here and only here, because `freeName` guarantees the name was not taken: the `showSaveFilePicker` path must not do the same, where the person may have picked an existing file whose contents `abort()` correctly preserves. Verified by hand in Chrome. test_streamed_download_reliability.py runs the real module under Node against a stubbed browser — it fails if the null is cached again. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HCGdheDLxGReuKHga3BtST
* feat(client): create the system tray at launch, not on first minimiseChristophe Besson2026-09-081-17/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ensureTray() was reachable only from the window:minimize-to-tray handler, so the indicator did not exist until you had already hidden the window into it. That is backwards on both desktops — most of what a tray is for is finding an application that is not in front of you — and on Windows it read as the app having no tray presence at all. Created during app.whenReady(), after registerBridge() and before createWindow(). The order matters: buildTrayMenu reads the nodeService that registerBridge assigns, so the other way round puts the Start/Stop entry on the menu one five-second poll late. The menu's labels were the one thing that came *from* the minimise call, since the main process has no i18n. A new tray:labels IPC (platform.setTrayLabels) carries them instead, sent from the renderer's boot once initLocale() has a catalogue; a language change reloads the page, so the same call covers it. The window between launch and that first message shows TRAY_FALLBACK, in English. §5.10's two platform gates become one — trayOS() in main.js, which every tray path calls. test_desktop_shell.py's existing test is rewritten against it and two are added: the launch ordering, and that no tray path tests process.platform inline instead of calling the gate. Windows still files a new tray icon under hidden icons until the person drags it onto the taskbar. No API promotes it; documented in WINDOWS-PORT.md §5.11 rather than worked around. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01V8EDjk6pkYZrCbo63m2x87
* feat(hub): cap a directory zip at 512 MBChristophe Besson2026-09-081-0/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An arbitrary ceiling, not a technical one: the zip writer streams and holds one chunk plus a record per file, so it would happily produce a hundred gigabytes. Past half a gigabyte the honest answer is a subfolder at a time, or the files individually. Enforced in file-utils.js's downloadDirectory, which is the one implementation behind every zip button — Files' single folder, Files' multi-folder selection, and the Photos album button (docs/photos.md §3). - Per directory, not per selection: Files zips a whole multi-directory selection in one click, so an oversized folder is refused and its siblings still download. - Before _openDownloadTarget, so no save dialog opens for an archive that is never going to be written. - The bound is strict, so a folder of exactly 512 MB still goes through. - Counted in the 1024-based units formatSize already prints, so the number in the refusal is the number in the constant. group.zip_too_large in all ten catalogues. test_zip_size_limit.py runs the module under Node and pins the refusal, the inclusive bound, and that nothing is asked or started when a folder is over. The user guide's "a 40 GB folder costs 40 GB of disk" is no longer true and now documents the cap instead. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01V8EDjk6pkYZrCbo63m2x87
* feat(chat): Tier 2 — a member verifies another member's device itselfChristophe Besson2026-09-071-0/+227
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Chat messages have been signed by the sending device since MNP 2.0, but a reader had no way to know that the device belonged to the account the node named: the signature proved *a device*, and `sender_id` was still the node's word. This closes that for any account a client has already seen. **What was blocking it was not effort — the evidence was not being kept.** `_do_device_add` verified the countersignature that admits a second device and stored only `added_by_pk`: *which* key approved, never the proof. And `device_add_transcript` binds `nonce_node`, the approving connection's handshake nonce, so even a stored signature was unverifiable by anyone who had not been on that connection. `identities` gains `add_sig`, `add_nonce` and `add_ts`, added before the migration's early return — which fires on every roster widened since 2026-08-18, i.e. all of them, so putting them inside it would have meant they never arrived. `group_roster_req`/`resp` relays, sealed under a new groupbox purpose and answered to **any member of the group**, every live device of every active member with the evidence that admitted it. The node decides nothing: it hands over evidence and the client walks the chain from each account's root outwards (`_verifyRoster`). That is deliberate — the node is the party the property holds against, so it is not asked to assert trust. Two holes the tests caught while this was being built: - "no signature" was being treated as a trust root, so a node that writes the roster could put any key in an account's row and have it laundered straight into the verified set. A root is a device that names **no** countersigner. - pinning only the verified subset at first sight raised "key changed" on legitimate second devices whose countersignature predates this change. First sight pins everything the node says, because that is what trust-on-first-use means and an alarm that fires on normal events stops being read. The property, and it must not be rounded up: **once a client has seen an account, a node that later substitutes a key for it is detected. Nothing is gained at first sight**, where there is nothing to compare against — the same boundary `per-node-identity-v1.md` draws, unmoved. The cost, stated because it is real: the roster is member-visible, so every member learns how many devices the others hold and their public keys. It stays inside the group, the hub is not involved, and it is scoped per group. A member who cannot see the keys cannot check them. User-visible surface: one notice, "this account is using a key you have not seen before", in ten languages. Nothing else. 16 tests — 7 on the node (the evidence is stored, it verifies from the roster alone, a fabricated device carries none, another group's members are not disclosed), 9 running the shipped `_verifyRoster` under node against rosters built by the shipped Python: a chain of three in any order, a signature by the wrong key, one for another node, one for another account, and two fabricated devices signing each other admitting nothing. Tier 3 (operator-signed roster attestation) stays deferred, with nothing depending on it. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TZZxYjz8YeWRz13xDi8LJr
* Merge origin/main into the chat encryption workChristophe Besson2026-09-076-175/+576
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both sides landed a breaking MNP change and both called it 2.0, which is right: the sealed upload, the removal of `stream_seg` and mandatory chat encryption share one flag day. They are recorded as one version in `__init__.py` rather than as a race between two. The resolutions that were decisions rather than mechanics: * **`MNP_MIN_SUPPORTED` moves to "2.0".** The sealed upload alone was a *confined* break — a 1.x peer could still connect, browse, download, stream and chat, with only its uploads refused by `upload_not_sealed` — so the floor deliberately stayed at "1.0". Mandatory chat encryption ends that confinement: a 1.x peer can neither produce a sealed chat message nor read one, so it would connect, look fine, and be unable to say anything. Refusing it at the handshake is the honest form. The per-message `upload_not_sealed` path is untouched and still right if the floor is ever lowered. * **`sendChat` throws on an `error` reply**, from origin, applied to the sealed send. It matters more after this change, not less: the node now refuses a stale epoch, a malformed envelope and a device claim that is not the connection's own, so there are three new ways for a message to be rejected and none of them may look like a message that was sent. * **`req_id` supersedes the per-type routing** this branch added for `chat_keys_resp` and `device_hello_ack`. Both blocks are kept beside the existing `chat_hist_resp` one, for the same stated reason — a node too old to stamp — and their comments no longer claim to be the mechanism that closes the class. `req_id` is. * **`chat_send_probe.py` is rebuilt on origin's structure**, not beside it: two scenarios, a stub that stamps `req_id`, `music_meta_req` as the older pending request. The encrypted path is layered on — a real Ed25519 device key generated in the page, and a `chat_keys_resp` sealed by the shipped Python, because a payload the page built itself would prove only that the page agrees with the page. * **`test_reply_correlation.py` now sends a sealed message.** Its subject is which of the two messages leaving that handler carries the id; plaintext chat was only the fixture, and the node refuses one now. * `groupbox` keeps both new purposes (`upload`, `chat_keys`); `protocol.py` keeps origin's removal of `STREAM_SEGMENT` and this branch's correction of the "Double Ratchet message" comment on `CHAT_MESSAGE`, which was wrong when it was written and is wrong differently now. Full suite on the merged tree: 1993 passed, 11 failed — the same 11 that fail on a pristine checkout (2 Windows service tests, 1 apps-enabled policy, 7 transcode tests that pass in isolation, and the WebRTC invite test that hangs on its own). Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TZZxYjz8YeWRz13xDi8LJr
| * feat(mnp)!: seal the upload under the group keyChristophe Besson2026-09-073-8/+313
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Downloads have been encrypted under a GEK-derived key since the beginning: `file_chunk` and `stream_data` both go through `chunk_ciphertext`. Uploads never were. `file_upload` carried the filename and the raw bytes in plain msgpack, and `file_upload_ack` carried the name the node stored them under — so the same file was ciphertext leaving a node and plaintext arriving at one. There was no threat model behind that asymmetry. Both halves now travel sealed under a third groupbox purpose, HKDF(GEK, info="meshbay:upload:v1"). The filename, the destination folder and the bytes are all inside the seal; only `upload_id` and `chunk_index` stay in clear, because the node routes and orders on them before it can decrypt. This direction seals *towards* the node — it holds the GEK for its own group — and it opens the payload before it picks a destination or touches the disk. What that forced, and why none of it is optional: - `filename` was the correlation key on both sides. It cannot be: matching an ack to its request by name would hand back exactly what the seal hides. `upload_id` replaces it — client-drawn, opaque to the node, unique within a connection, never an authorization input. The property it guarded (one refusal fails one upload, not every upload in flight) is unchanged. - Refusals can no longer quote what they refused. `No directory named 'X'` becomes `No such directory in this group` plus the `code` that was already there; the client knows what it sent. - No plaintext fallback. A path that still accepts plaintext is not a sealed path, so an unsealed `file_upload` is refused with `upload_not_sealed`. Hardened while here, because what comes out of a seal is authenticated but not validated — a member can seal anything: `filename` and `data` have their types checked before any upload state is created, and `chunk_index`/`total_chunks`, which are outside the seal by necessity, can no longer raise where a refusal was meant. Tests. `test_upload_sealed.py` pins the node half: nothing identifying on the wire, tamper/wrong-key/wrong-group all refused with nothing written, and multi-chunk reassembly unchanged. `test_upload_seal_client.py` drives the shipped `uploadFile` over the shipped `crypto.js` under node and feeds its real frames to the real `_do_file_upload` — the file lands intact, and the ack the node actually produced comes back with the name it chose for a collision, which is the half a source-reading test cannot see. Both upload purposes join the JS/Python groupbox parity vectors. BREAKING CHANGE: MNP 2.0. `file_upload`/`file_upload_ack` change shape on the wire every deployed client speaks, which is MAJOR by the same rule 1.0 was — but the break is confined to uploads. `MNP_MIN_SUPPORTED` stays at "1.0", so a 1.x peer still connects, browses, downloads, streams and chats; only its uploads are refused, with a message saying which side is old. The client checks the node's version before sending a chunk, so neither side meets this as a timeout. This is the version negotiation shipped in 1.0 earning its keep: 1.0 cost a flag day, 2.0 costs a refusal code. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AsoWC3GmhNdwVFomW3QjH3
| * fix(mnp): give a reply an id, so it stops being routed by luckChristophe Besson2026-09-073-88/+181
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MNP carried no correlation id. A reply named its own type and nothing else, so a client with more than one request in flight worked out which one a message answered from the message itself — and for the replies that name nothing it could not. `_dispatch` fell through to matching by arrival order, which is a guess. `_sendAndWait` had the right value all along: it keys `_pending` by `this._seqId++` and never put it on the wire. The guess fails asymmetrically, which is why it hid. The victim is not the request that was answered wrongly — it is the unrelated one that now waits out its own 30s timeout for a reply already delivered elsewhere. Live on 2026-09-06: five `music_meta_req` sat pending for over 100 seconds behind a failing MusicBrainz, and a `device_list_result` was handed to one of them. The composer is disabled while a send is in flight, so a chat message whose reply went astray the same way left the Chat tab looking frozen for thirty seconds, then unfroze on its own. The `ack` half of this was fixed on 2026-08-30 by matching on request type. That closed the instance and left the class open: a refusal has no type to match on either, and `_dispatch_message`'s catch-all answers every unforeseen failure with `{"type": "error", "detail": "Request failed"}` — 238 of this module's 240 error sends name nothing at all. `req_id` now rides on the request and comes back on the reply. On the node it is published for the whole handler in a ContextVar and stamped by `_send`: a parameter would have meant threading an argument through all 240 send sites, and asyncio copies the context into a task, so a handler that `_spawn`s its real work still answers under the right id. It is never stamped on a broadcast — those answer nothing, and the owner check in `_send` is what keeps a chat broadcast or an index push from reaching another peer looking like a reply. On the client, `_dispatch` resolves on `req_id` first and the arrival-order fallback is gone the moment a node proves it stamps (`_correlates`, armed by the handshake's own reply). The fallback stays for an MNP 1.0 node, unchanged and no wider: there it is the only thing there is, and removing it would leave device_list_result, join_result and the handshake replies reaching nobody. Two things fall out. `sendChat` refuses an `error` reply like every other request in the file — it returned it as success, which did not matter while a refusal reached the wrong caller anyway and would now show a rejected message as sent. And `_group_ctx` uses `.get`: a reload pops a removed group while sessions connected to it are open, and every request they had left raised KeyError into that same catch-all. Sealed index messages are the one exception to the fast path. They cannot be handed over until they are opened, which is asynchronous while `_dispatch` is not — resolving on the id alone gave `fetchIndex` the envelope and skipped `onIndexSync` entirely. Caught by extending `index_seal_probe.mjs` to stamp a reply the way a current node does, after the hub suite passed over it: the probe built its own frames and had never seen one. Tests, all failing before and passing after: `test_chat_send.py` drives the real ChatPanel over the real transport for both shapes of reply with an older request pending (3 of its 6 are new, and the 3 for `ack` pass either way, so it discriminates); `test_reply_correlation.py` pins the node's half — the refusals that name nothing else, the broadcast that must not be stamped, and a late reply from a spawned task answering under its own id rather than the most recent request's. Full suite: 1897 passed, same 11 pre-existing failures as before. QUIC keeps its own dispatch and is not stamped. It is disabled by default and no browser request reaches it, but the asymmetry is real. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Dn1xYx9uT69mCB6UDvyKAN
* | feat(chat): encrypt group chat under per-device epoch keys (MNP 2.0)Christophe Besson2026-09-072-8/+144
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Chat messages are sealed with AES-256-GCM under a key derived per group, per epoch, per *device*, and signed over the ciphertext with the device key the node pinned. The node relays and archives; it cannot read a message. There is no switch. MNP goes to 2.0 and MNP_MIN_SUPPORTED moves with it, so a 1.x peer is refused at the handshake with `version_too_old` rather than admitted and then unable to speak. An opt-in flag was designed and rejected: every node is a test node, so it would have bought nothing and left a plaintext branch reachable — C6's lesson one feature later. A test reads the source and refuses any code that consults a `chat_encrypted` setting. Not Sender Keys, and `senderkeys.py` is now documented as unused. With distribution under the group key and a node that serves history to devices which were not present, the node must retain each chain's earliest key, and a chain key at iteration i yields every message key from i on by pure HKDF — forward secrecy is zero either way. What the ratchet was left buying was stateful client code with silent failure modes, three of them reproduced: any member could sign as any other, a second device dropped the first's chain, and the skipped-key cache grew without bound. The reasoning is in docs/chat-sender-keys.md, which is the specification and the decision record. Epochs, not rotation: the epoch key is wrapped under the group key at delivery and never stored under it, so `gek_rotate` is a re-wrap. A group-key-derived archive key would have made every message ever sent unreadable on the first `member unpin`, which is the documented step after removing a member. A new epoch opens on member revoke/unpin, device revoke and `gek_rotate`; old epochs are kept and still delivered, so history stays readable to everyone who could already read it, and nothing anywhere deletes one. Three prerequisites this needed, each a live defect on its own: * The peer registry was keyed by user_id, so one account's second device evicted the first and the broadcast skipped recipients by account — a person's phone never saw what they typed on their laptop. * The handshake authenticated an account, never a device. `device_hello` (additive, signed, refused unless the key is a live device of this account in the node's own roster) is what lets the node refuse a member claiming somebody else's key. * `_admin_exec_file_delete` authorized against the exact uploading key, so device linking had already broken deleting your own file from your other device. It now authorizes against any non-revoked device of `uploader_id`. Found by driving the real panel over the real transport, not by reading source: `chat_keys_resp` was routed by arrival order and handed to an unanswered `media_meta_req` — the original frozen-tab defect in a message type that did not exist when that probe was written. And `_asText` had been deleted with an unrelated helper beside it; its only caller sits inside a promise the panel catches, so every conversation rendered empty with nothing in the console. Existing node data is migrated by QE/migration/migrate_chat_encryption.py (not versioned, per the QE rule), run with the node stopped. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TZZxYjz8YeWRz13xDi8LJr
* test(hub): the folder-name test was reading the ".." rowChristophe Besson2026-09-071-3/+11
| | | | | | | | | | | | | | | | | `test_a_folder_name_carries_no_trailing_slash` sliced from the first `dir-row` in files-app.js. Since the parent-directory row was added, that is the ".." row, whose only cell is an ellipsis — so the slice contained no `${d}` and the test failed on a name it had never looked at. The directory row itself has always rendered `${d}` with no trailing slash. Anchored on `key=${full}` instead, with an assertion that the anchor still lands on a `dir-row` so the next move fails loudly rather than silently reading the wrong markup again. Pre-existing: it fails the same way on main. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): drop the "No changes to save" hint beside SaveChristophe Besson2026-09-071-12/+1
| | | | | | | | | | | | | | | | | The hint was added alongside the .app-save control, when an inert Save was indistinguishable from an enabled one and the reader had no way to tell "nothing changed" from "this is broken". The control now reads as disabled on its own, so the sentence beside it is noise. Removing it also removes what only existed to carry it: the .app-save-row wrapper, its two style rules, and settings_app.no_changes in all ten locales. test_the_disabled_state_is_visually_distinct sliced the stylesheet on .app-save-row; it now stops at the closing brace of .app-save:disabled. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): Save in the app panes was invisible, and Chat's never landedChristophe Besson2026-09-072-6/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two defects behind one report — "you cannot always click Save, you do not notice, and it does not work". **It did not work, for Chat, systematically.** `_dispatch` resolves an admin ack against the pending request and returns, which is right for an op whose caller already knows the value it chose. Chat's pane calls `transport.setChatDirectory` itself, so nothing told `group-page` anything: the node saved it, every *other* connected client learned it from the broadcast, and the one that asked went on showing an unsaved-looking draft. Clicking Save again just re-sent it. Same shape as the root-ack bug, in a different message — so the set is now `BROADCAST_ACK_TYPES`, named for the property that makes it true, and covers `chat_directory`, `chat_link_preview` and `app_directories`. **You could not notice, because Save was not visibly a button.** It carried `btn btn-small btn-secondary`, and there is no `.btn` rule in the stylesheet at all — so it took `.btn-secondary`: no background, a transparent border, dim grey text. Enabled it already looked like a disabled control; disabled it was the same thing at 40% opacity. Measured on a real page: enabled is now accent on white, disabled is grey text on a plain border, and an inert one says why ("No changes to save") rather than leaving the reader to guess what the pane counts as a change. Videos' second Save — the TMDB one — is the same control, because two Save buttons in one pane that do not look alike is worse than either looking wrong. Verified by driving the real pane in Electron through the whole cycle: inert, pick a folder, live, save, and the node's answer coming back to disable it again. Four earlier readings said the enabled button was transparent; all four were taken inside python's directory-listing page, which the app never runs in — my scaffolding, not the code. Hub suite only: the node package is untouched by this. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* feat(client): HelloWorld, the reference applicationChristophe Besson2026-09-073-0/+162
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Every other test of the plugin architecture reads source for the *absence* of app names. That proves nobody wrote a special case for Videos; it cannot prove a genuinely new application works, because there was no new application. This is one. It stores directories, appears as a tab, has a settings pane and lists files, and the node has never heard its name outside a single allow-list entry. Two files and one registry line, which is the claim `docs/refactor-groups.md` §4.1 makes. It ships hidden behind `?dev=1` (`dev: true` in the registry, the same opt-in shape as transport.js's `?trace=1`). Registering it normally would put a toy app in every operator's group; not registering it would prove nothing, since registration is exactly what is claimed to be sufficient. **Adding it found two places where the claim was nearly true rather than true, and both are fixed by making the code less app-specific:** `group-settings.js` fell back to the whole registry when a group had no `enabled_apps` yet — which would have turned a hidden app on for everyone. It asks `availableApps()` now. `group-page.js` wrote out `videoDirectories` / `musicDirectories` / `photoDirectories` by hand, so a fifth app would have needed that file edited. It derives `<key>Directories` from the registry. Neither was found by reading; both were found by adding the app, which is the whole reason it exists. Verified in a real Electron window as well as by the tests: hidden by default, present with the flag, offered its own settings section, and listing exactly the files under its configured folder and its subfolders — not the ones beside it. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): report a directory result under the button that caused itChristophe Besson2026-09-071-0/+42
| | | | | | | | | | | | | | | | | | The message was the first thing in the section, wedged between the intro and the table header — above everything the eye has already moved past by the time it appears. It goes last now, under Add directory. And it was a `settings-hint`: dim grey body text. So "two roots would both be called uploads" read as a footnote about the section rather than as the reason nothing happened. A refusal is styled as one and carries `role="alert"`, so it is announced rather than only drawn; a success stays quiet. Measured in a real Electron window rather than assumed — the failing add driven through the typed-path form, then the message's box compared against the table's and the button's. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): New folder did nothing — prompt() throws in the desktop clientChristophe Besson2026-09-072-5/+102
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The same `static/` tree is the web page and the application, and Electron does not implement `window.prompt`: Chromium leaves it to the embedder and Electron declines. It does not return null — it **throws**. The call sat above its own try, so clicking produced no folder, no error and nothing on screen to react to. A dead button, which is exactly how it was reported. Measured against this repo's own Electron 44 rather than assumed, because the first two diagnoses this session were reasoned and wrong: prompt('name?') -> Error: prompt() is not supported. confirm('sure?') -> opens a real modal alert('hi') -> opens a real modal So `confirm` and `alert` stay — a dozen call sites depend on them — and only `prompt` is banned. `test_no_prompt_in_the_spa.py` holds the whole tree to it, with the near-misses it must not flag (`mkdir_prompt`, `promptForName`). The name now comes from a field in the toolbar, which works in both clients and can show the node's refusal beside the input instead of after a dialog has closed. Navigating away drops a half-typed name: it would otherwise create the folder somewhere the person is no longer looking. The rest of the chain was verified end to end and was sound: `dir_create` {dir,name} → the node's handler → `dir_create_ack`, and `list_dirs` walks the filesystem rather than the index, so a folder with nothing in it appears on the very fetch that follows. The field itself was then driven inside a real Electron window — typing, Enter, the click, and the icon rendering. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* feat(client): bring back New folder, icon-only — and close the hole it openedChristophe Besson2026-09-061-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | The control was hidden and its `canCreateDir` left computed and unused. It is back in the Files toolbar as an icon: the toolbar already carries one labelled primary action, and a second beside it competes for the width the breadcrumb trail needs. The name is in `title` *and* `aria-label` — a title is invisible to a screen reader on a button with no text, so an icon-only control without both is simply unnamed for anyone not reading with their eyes. Its gate changes. It required `isNodeAdmin`, which contradicted the node's own rule — "making a directory is not a privileged act; a member who can add a file can organise where it goes" — and hid the control from everyone who could have used it. It now follows the Upload button: a writable root, and not at the top of a group, where the level is the set of roots rather than a directory on anyone's disk. Restoring it surfaced a real gap. `_do_dir_create` never learned about RO/RW: `_do_file_upload` gained the `writable` check with the model and this one did not, so a member refused a file in a published library could still leave empty directories all through it, and could write to a drive mid-eject. Read-only has to mean read-only for every way of writing, not just for files. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* feat(node): an upload lands in the folder it was sent toChristophe Besson2026-09-061-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no `uploads/` subdirectory any more, and the client names the folder rather than the root. It was the last of v5's quarantine — the per-user layer went on 2026-08-14 for the same reason — and it goes on the same grounds: a folder appearing beside the operator's library because somebody sent a file is the node deciding how their disk is arranged. Somebody dropping a file into the folder they are looking at expects it to be in that folder. **What made the quarantine worth having was never the subdirectory.** It is the filename allowlist, the size cap, the chunk ordering and the no-overwrite rule, and all four are untouched: an existing file is never replaced, the second sender of IMG_1234.jpg gets a free name, and the check still sits at the write. Letting the client choose the destination is safe for one reason and only one: it is resolved through `RootSet.resolve()`, which refuses `..`, absolute segments and anything whose resolved form escapes its root, symlinks included. A member answers "which of this group's folders", never "which path on the operator's disk" — and the test that used to assert the node chose now asserts that, with six shapes of escape. `direct` goes with it. Its only job was to say "no subdirectory for this root", which is now every root, and a config flag that does nothing is worse than none. Chat's attachment folder finally does something: the directory the operator picks in the Chat settings pane is where attachments are written, falling back to the first writable root while they have not chosen one, or if the one they chose has since been made read-only or ejected — a stale choice should not become a refusal at send time. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): the folder picker had no background, and its field no layoutChristophe Besson2026-09-061-0/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two defects from one screenshot, and a test for the class behind the first. **The modal was transparent.** `.ftp-panel` asked for `var(--bg-panel, var(--bg))` and this stylesheet defines neither — the palette is `--bg-base`, `--bg-surface`, `--bg-raised`. An unknown custom property makes the whole declaration invalid while the rule around it still applies, so the panel simply had no background and the page showed straight through it. Three more of mine were the same: `--bg-hover`, `--bg-input`, `--danger`. **The field had no layout.** It was built on `.settings-row`, which is `display:flex; justify-content:space-between` — so a label, a hint and a value inside one end up spread across a single line in source order, which is how it read as three unrelated fragments per app. It is its own block now, and the chosen folders are a table borrowing `.shared-dirs-tbl`: these are lists, and a wrapped run of chips gives nothing to scan and nowhere to put a per-row remove. The operator is looking at two lists of directories on one page and they should read alike. `test_css_variables.py` is the general form. CSS fails silently and generously here, and nothing checked. It found four more that predate this branch: the unread-count badge (`--danger`) had white text on nothing, a transfer link had no colour, a notification card had no rounding and no unread marker. Fixed, and `--warn` and `--accent-bg` are promoted from literal fallbacks to real palette entries at exactly their current light values. Two of its own regexes were wrong before they were right — a scoped definition written inline, and one preceded by a comment, were both reported as undefined. A third check comparing the two palettes fired on `--border-focus`, a focus ring the themes share deliberately; a heuristic that has to be explained away on its first run is worse than no test, so it is gone rather than exempted. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): degrade against a node still speaking MNP 1.0Christophe Besson2026-09-062-2/+180
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SPA is served by the hub, so deploying the hub puts this client in front of every node — including the ones not updated yet. That window is the normal state for as long as an operator takes, and for a node someone else runs it may be indefinite. Three controls were broken across it, and the failure mode is quiet: an unknown message type is logged by the node and never answered, so the click produces a thirty-second wait ending in a timeout with nothing on screen to say the node simply cannot do this. Files' Upload button read `root.writable`, which a 1.0 node does not send — it says `upload`, the same answer under the older name. The button disappeared on every un-upgraded node. It reads both now, and still respects an explicit `writable: false` rather than falling through to the legacy flag. The per-app folder pickers spoke `app_directories`. Videos, Music and Photos each had their own message before that and those still work, so the page chooses by version: an operator on an older node keeps the ability they had. `video_root` and `audio_root` hold one folder, so several are refused with a reason rather than stored as the first and silently truncated. Root management — writable, removable, eject, plug — has no older equivalent to route to, so the table goes read-only with a line saying why and pointing at the `meshbay-node root` commands. Chat's two settings are new with nothing before them and are hidden the same way. None of this was inferred from a payload's shape: `_checkNodeVersion` already parsed the node's version and threw it away, and it is kept now. Coupling a capability to whether some field happens to be present is how a flag flips because an unrelated payload changed. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(client): a successful root op must never blank the operator's tableChristophe Besson2026-09-061-0/+87
| | | | | | | | | | | | | | | | | | | | | | | `ops.update_root` and `remove_root` returned `[]` when the group context had no live RootSet, and `group-page.js` accepted it: `if (msg.roots)` is true for an empty array. An op that succeeded would have emptied the shared-directories table, and "the node says this group has no directories" is not something the client can tell from "the node could not say". Both ends now refuse it — the node builds from config rather than answering empty, and the client requires a non-empty array. Found while adding `test_spa_imports.py`, which is the other half of this: it resolves every named import across the SPA against what the target actually exports. That failure has a shape nothing else here catches — no build step to fail, so the browser resolves the graph at load, finds a missing binding, and the page renders blank or the component just does not appear. `node --check` parses one file at a time and the source-reading guards look inside a file rather than between two. The settings split moved two shared components into a new module and rewired eight files to import them, which is exactly the change where a rename lands in one file and not the other. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* feat(client): Phase 2 — per-app settings panes, folder tree, multi-directoryChristophe Besson2026-09-065-6/+382
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each app's settings were inlined in `group-settings.js` — TMDB, MusicBrainz, and one folder picker per app, each with its own draft state and save handler saying the same thing about a different key. They are one file per app now, reached through the `apps.js` registry, and the page that renders them names no application at all: adding one is a registry entry and a settings file. The line between the two is what makes that true. What every app has — folders — the page does generically, through one `saveDirectories` bound to the app. What one app alone has, its pane does itself with the transport it is handed. An app that only needs directories touches neither `group-settings.js` nor `group-page.js`, which is `test_app_settings_plugin.py`'s subject. `settings-ui.js` exists because a pane importing the page that renders it is a cycle, and ES modules answer that with a temporal-dead-zone ReferenceError at first render — a component that silently does not appear, the fault already recorded in CLAUDE.md about hook ordering. The flat depth-indented `<select>` of every folder in the library becomes a modal tree. It asks the node for nothing: the tree is derived from paths the client already holds, so it shows exactly what the group's index contains and adds no folder-browsing protocol. For Chat's attachment folder — the one directory that is written to rather than read — read-only roots are greyed out, so the node's refusal arrives before the operator picks rather than when somebody sends a file. Videos and Music take a list of folders. A library on two drives could not be described before; the only recourse was pointing the app at a parent containing both, which pulls in everything else under it. The scalar shapes survive on the wire alone, for a node speaking MNP 1.0, and the client reads them as a one-element list. Two things the tests caught that I would not have: `test_asset_versioning` — six new modules were missing from `_ASSETS`. Reached through the registry rather than imported by name, they are exactly the files nothing else would notice changing, and a stale one is served from cache with no version bump. And `node --check foo.js` does **not** reliably report a module syntax error: it accepted `${/* ... */''}` — htm template syntax pasted into a plain object literal — and reported success. A `.mjs` copy forces the module parser and reports it. The suite had no syntax check at all, which is how that reached a file; `test_spa_syntax.py` does it for every module now, and pins that the loose path is not what it uses. Suite: 12 failures, all pre-existing. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* fix(groups): finish Phase 1 — MNP root management, upload targets, eject stateChristophe Besson2026-09-061-60/+162
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Review of the Phase 1 commit found the RO/RW model sound but three paths unfinished, each of which broke the flow the phase exists to deliver. Plus 29 test failures it introduced and no coverage for anything it added. Uploads went to the wrong directory. The node read a `root` field on file_upload that no client ever sent, so every upload landed in the first writable root while the Files toolbar offered its button based on the root being browsed — with two writable roots, uploading from one wrote into the other. Files now names the root it is showing; Chat names one chosen in the shell (an operator-configured directory arrives in Phase 2); the node refuses an unknown name rather than falling back, and refuses read-only and ejected roots by code. Shared directories were unreachable on the web. The table read its roots only from the loopback API, which resolves to "not available" in a browser, so the section rendered for nobody there — while the Uploads controls it replaced had worked — and the transport.updateRoot/ejectRoot/plugRoot methods beside it were dead. MNP is now the path, loopback the fallback for a local node with no live connection, and adding a root over MNP takes a typed path since no web page can browse a remote disk. Ejecting updated nobody's screen. transport.js resolves an admin ack against the pending request and returns, which is right for every op whose caller knows the value it chose; the root acks carry state only the node can compute, so the operator who clicked Eject was the one client that never saw it happen. And the ejected flag reached roster.db but was never read back, so a restart undid it and the next scan read an empty mount point as an erased library. Also: the member-upload endpoint answered 200 and did nothing (removed); the wizard ignored the first root's RW switch; reload compared roots on name and path, so editing writable in node.toml did nothing; the table had no path column, which is the only thing separating two libraries sharing a basename; apps_enabled normalisation differed between the two sides of a signed subject. Tests: eject/plug, per-root upload refusal and the node.toml rewrite had no coverage at all. test_member_upload_policy.py is replaced by test_root_writable_policy.py — it tested a removed feature — and every property worth keeping from it moved rather than being dropped. Docs: draft-v6 structural decision 9 is annotated as superseded (the operator can no longer have a directory only they may write to — a real capability removed, flagged rather than hidden), the man page documents the root verb and the RO/RW fields, and refactor-groups.md §7b records what the plan got wrong. Suite: 41 failures before, 13 after — all 13 pre-existing on main. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011pvMdvLBG92jyhvD5pD6us
* feat(node): add ".." parent row in file explorer, hide mkdir buttonChristophe Besson2026-09-061-1/+1
| | | | | | | | | Show a ".." row at the top of subdirectory listings to navigate back to the parent. No path traversal risk — currentPath is internal state built from the node's own index. Hide the mkdir button (not useful yet); update the upload-controls test marker accordingly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* feat(client): system tray on Windows, and a clearer tray iconChristophe Besson2026-09-051-0/+32
| | | | | | | | | | | | | | | The tray's Start/Stop already drove nodeService.status/stop/restart, which had full win32 branches for both startup modes from the Node page work -- so enabling it on Windows is widening two platform gates (the `tray` capability in preload.js, the window:minimize-to-tray handler in main.js), not new logic. Replaced the tray icon: the previous white chevron-in-a-box read as an envelope at tray size. New icon is a small "M" drawn as mesh nodes and edges, echoing the app icon's own motif, in the brand blue instead of plain white so it stays legible on both light and dark taskbars/panels. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
* feat!: MNP 1.0 — seal index and handshake_ack under the group keyChristophe Besson2026-09-033-0/+316
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `index_sync`, `index_delta` and the `handshake_ack` config payload now travel sealed under a GEK-derived subkey (`meshbay_common/groupbox.py`, mirrored by `sealGroup`/`openGroup` in `crypto.js`). Only `type`, `v`, `group_id` and the ack's `node_pk`/`proof`/`sig` stay in clear — a receiver must route and authenticate before it would trust a decryption. Verify, then decrypt. The ack line is integrity, not confidentiality: the signed handshake transcript names no ack field, so `is_node_admin`, `enabled_apps`, `video_root` and the rest were authenticated by the DTLS channel alone. The index line is defence in depth against a repeat of C1/C6 — a peer served before the handshake completes now gets ciphertext, not filenames. Nothing against an observer, the hub, or a member; that is the whole claim. `index_progress` stays clear (D3, counters only). Chat is out of scope. Failure is fatal: a payload that does not open ends the session naming the message type — never an empty index or an empty `enabled_apps`, both of which are legitimate states. Version negotiation ships here too (phase 15.6, brought forward): `v` + `v_min` on `handshake` and `handshake_challenge`, refused with `version_too_old` / `version_too_new` / `version_unreadable`. The flag day was already being paid for; the next breaking change now costs a refusal message. BREAKING CHANGE: breaks the WebRTC wire every deployed client speaks. Hub and every node must deploy together; the SPA is served by the hub, so a browser picks up the new client on reload. See MESHBAY_NODE_PROTOCOL.md §11.1a, §13.1. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HkzbhmMmK8PqQBtGz5zCvY
* fix(hub): route the chat ack to the request that asked for itChristophe Besson2026-09-032-0/+279
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Typing a message froze the Chat tab: the composer stopped taking clicks and keystrokes, the message never appeared, and it was there all along on the next visit to the tab. The node answers a chat message with a bare {"type": "ack"} -- no request id, no type of its own -- so _dispatch had nothing to match it on and left it to the arrival-order guess at the end of the function. That guess is wrong the moment anything else this browser asked for is still waiting: the ack went to *that* request, and the chat send waited out _sendAndWait's own 30s timeout. Since the composer is disabled while a send is in flight, that reads as a frozen tab; the node had stored the message and answered, into somebody else's promise. An outstanding request is the ordinary case, not a rare one. The node refuses an unknown file_id with a bare `error`, which names no request either and so reaches none, leaving the Videos tab's media_meta_req in _pending for the full 30s. That is the one that was live when this was found. - `ack` is now matched by request type: chat_msg, or the keypair-bundle store and delete, which name themselves in `detail`. A node naming neither still has its reply placed rather than dropped. Every line of chat-app.js is correct and every routed message in transport.js is routed correctly -- the defect is in the seam, so tests/harness/ chat_send_probe.py drives the two together: the real ChatPanel over the real MeshBayTransport, with only the DataChannel replaced by a stand-in answering what the node answers. test_chat_send.py asserts against it, and with the fix reverted all three of its tests fail on the three visible halves of the defect -- the composer still disabled, the message absent, and the ack resolving the unrelated request. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GFF4BL8VSKrghkSLzCrTVs
* chore(client): build against the latest Electron, and stop defining the ↵Christophe Besson2026-09-031-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | package twice Chromium CVEs are fixed in Electron releases, and a client built against an old one ships those holes to every user. That is a certain harm; a build that breaks on a new Electron is a repairable one. build-client.sh now bumps to the latest on every build, prints the comparison, and lets the build fail if it cannot cope — the failure is the signal to fix, not a reason to stay behind. It writes package.json and the lockfile on purpose: the new pin is meant to be committed. A registry it cannot reach is a warning, not a failure. Exercised by pinning back to 42.9.2 and building: "==> Electron 42.9.2 -> 44.1.1", exit 0, electron=44.1.1 in the packaged output. Note npm audit would have said nothing about any of this — Chromium CVEs fixed in Electron do not reliably reach the npm advisory database. Separately, package.json declared linux.target [deb, rpm] with its own deb/rpm depends, so `npm run dist` built a second package under the same name. The two had drifted: /opt/MeshBay/meshbay-client against /opt/meshbay-client/meshbay, and Depends: python3-meshbay-common naming none of the Electron runtime libraries the real DEBIAN/control lists — it would have installed cleanly and then refused to start. Nothing in the tree referenced `npm run dist`, which is why the drift was free to happen. That config is gone, "dist" delegates to build-client.sh, and test_desktop_shell.py refuses its return. `--dir` was re-run with no linux block at all: exit 0, same binary build-client.sh consumes. It needs appId, productName and files, nothing else. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AbwJDbNTkiRUh7HTWEoyss
* fix(hub): stop the maintenance loop racing the tests, and pin _ASSETSChristophe Besson2026-09-022-1/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two defects found while closing out the Search merge, neither of them in that feature. The maintenance loop. create_app's lifespan starts cleanup_loop as an asyncio task, so every test — each entering that lifespan — ran a purge pass concurrently with its own requests. On SQLite :memory: that is not merely noisy: the engine uses a StaticPool, one connection for the whole process, so the request's session and the cleanup task's session interleave transactions on the same connection. A registration could commit and then be invisible to the login three lines later, surfacing as 401 Invalid credentials for an account created moments before, in roughly one run of test_node_ws_auth.py in four. The purge itself is not at fault and this is not a production condition. A passive SQL listener caught the DELETE removing 0 rows, and the INSERT carrying status='active' — so neither the pending-account mechanism nor the purge filter is involved, and PostgreSQL gives every session its own connection. What the fixture removes is the second user of the shared one. 60 runs of the previously flaky file, 0 failures; reproductions before the fix landed on attempts 4, 6, 13 and 29 of separate loops, so a clean run of 60 has about a 1% chance of being luck. _ASSETS. source-merge.js shipped missing from webapp._ASSETS, the cache-busting hash's input list — exactly the silent failure docs/apps.md §4 step 5 warns about: the file changes, the asset URL does not, and a browser holding the old page keeps the old copy. Harmless this time only because search-page.js changed in the same commit and is listed, which is the worst way for it to go unnoticed. Found by re-reading that checklist for the doc pass, not by any test — so there is a test now, holding _ASSETS to every .js in static/ (sw.js excepted, unversioned on purpose). It was the only one missing. Phase 9 of docs/refactoring-search.md also lands here: mediacenter.md §10.6, musicbay.md §9b, photos.md §10b, apps.md §2b and step 5. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AbwJDbNTkiRUh7HTWEoyss
* fix(hub): merge duplicate sources in Search's Music and Photos tooChristophe Besson2026-09-024-189/+469
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Phases 5-8 of docs/refactoring-search.md, extending the Videos merge outward. A library shared by two groups now lists each track once inside an album and each photo once inside a photo album, and a card served by several groups says "N sources" instead of naming one of them. Units come from each application's own grouping, never a copy of its keys. For Music that meant exporting foldKey: groupMusicEntries folds case to group but keeps the first-seen spelling to display, and which group is seen first is whichever index arrived first — so keying a unit on the display strings would let the chosen source change between page loads. A group whose connection fails is marked down and stops being chosen, so a unit fails over to another group that has the file. Eviction is not a failure. Every source being down still yields an entry: a tile that fails to load beats a film that vanished from the grid. sourceLabel now takes the whole unit rather than one entry. A show's poster entry is picked for its thumbnail, so a show in two groups whose cover episode sits in only one of them would have claimed a single source. SourceTag lives in group-name.js — source-merge.js must keep importing nothing (its test executes it standalone), and a copy in each of the three apps is three chances to disagree. test_search_files_unmerged.py holds the one thing that must not change: the Files explorer is not merged, because there each group is a folder and merging would remove a file from one of them. It also asserts the other three lists are merged, or deleting the merge outright would leave it passing and saying nothing. One plan item was dropped as wrong rather than built: the Music queue in onPreview needed no change. It filters by groupId and is reachable only from FilesPanel, which is not merged. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AbwJDbNTkiRUh7HTWEoyss
* fix(hub): one entry per file in the Search view's Videos gridChristophe Besson2026-09-022-0/+525
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A library shared by two groups arrived in the cross-group Search view as two entries per file: every film was two poster cards, every episode was listed twice in the season list under the synopsis. Inside one group this cannot happen — GroupIndex is keyed by blake3 — so the duplication was the Search page's own, from concatenating N independently keyed indexes. source-merge.js folds entries on the content hash and resolves one source per *unit* (a film, a whole show), so a season does not scatter across two nodes. A group hosted by the reader's own node wins; failing that the pick is a hash of the unit key and the reader's id, stable across renders and reloads — a source that changed mid-stream would tear down the connection under a film that is playing — and spread across readers and units. The units come from video-app.js's own groupVideoEntries rather than a second copy of its keys here. Only the Videos view is wired up so far; Music, Photos, failover and the "N sources" badge are phases 5-8 of docs/refactoring-search.md. Every test was checked against the fix removed. That is how the first version of "a unit's files share its source" turned out to prove nothing: with every episode in every group, per-file and per-unit picking give the same answer, so it passed against a per-file implementation. It now uses a unit whose files have unequal sources. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AbwJDbNTkiRUh7HTWEoyss