765c1701d4740523d370291a5aa63014ff3a120c
11
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
  samiandClaude Sonnet 5
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55f0c6099d |
daemon: D4b — download.pause/resume/start/cancel and queue.start/stop drive the scheduler
download.pause/resume/start/cancel and queue.start/stop were stubs; now they call into the scheduler and take effect immediately, not on the next 1s tick — pausing, resuming or cancelling a live transfer can't wait, and per ADR 0013 §3 the governor never touches a user-owned pause on its own. New rpc::TaskActionPort interface (owned by rpc/, implemented by sched::Scheduler) is what dispatcher.hpp depends on instead of sched/scheduler.hpp directly. Needed because veloxd_sched already links veloxd_rpc (for EventHub); dispatcher.hpp pulling in sched/scheduler.hpp directly would make it a real circular library dependency, breaking anything that links veloxd_rpc alone (cli's tests, as it turned out — hit and fixed during this change). Scheduler::user_pause/user_resume/user_start/user_cancel + pause_queue follow tick()'s existing to_pause pattern: call the engine (async, no synchronous effect) and transition the store eagerly so download.get/list are correct the instant the RPC call returns. Fixed a real bug surfaced while building this: transition() always overwrote pause_reason to NULL when the engine's own delayed pause-ack callback (on_state to paused, no error) arrived after whoever actually initiated the pause had already written the real reason — now it preserves the stored reason when the callback supplies none, instead of clobbering it. Covered by a regression check in sched_scheduler_test. store/queues gets get() and set_state() (was list()-only) for queue.start/stop. Verified against real veloxd + tools/testserver, not just unit tests: pausing a live single-segment throttled transfer freezes downloadedBytes, resume continues it from that point, cancel stops it; a bad taskId comes back in BulkTaskResult.failed with -32010, not a crash; queue.stop(pauseRunning:true) pauses the queue's running task immediately and queue.start resumes admission. Known gap: download.start's contract "a task in 'queued' jumps its queue" (priority bump) is not implemented — admission is still plain FIFO by created_at. Noted in deferrals.md. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01GRDjHGgpYmMoPE2UFbe7pP |
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samiandClaude Sonnet 5
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de748cc2fc |
daemon: fix startMode 'later' -32603 and isolate the single-instance lock by runtime dir
Two bugs blocking PROTO's live-veloxd conformance check.
1. tasks.start_mode's CHECK was ('auto','now','queue','manual') — not the
contract's StartMode enum (['now','later','queue']) at all. 'later', a real
documented value (the File Info dialog's Download Later button), hit the CHECK
on every insert and surfaced as an unhandled -32603; 'auto'/'manual' were
never contract values to begin with.
Migration 0003 rebuilds tasks (SQLite can't ALTER a CHECK) with the contract's
values, remapping existing rows by what they actually meant: 'auto' -> 'now'
(eligible for the scheduler immediately), 'manual' -> 'later' (parked, matching
StartMode's own "lands the task in paused" description). store_migrations_test
covers the remap and that 'later' inserts clean while the retired spellings
are rejected.
dispatcher.cpp's on_download_add matched: default (absent startMode) is now
'now' instead of the invented 'auto'; 'later' actually lands the task in
`paused` (pause_reason 'user') instead of a dead 'manual' -> `new` branch that
spec.startMode (typed as the 3-value enum) could never even reach.
TaskRow::start_mode's in-memory default followed suit ('now').
2. main.cpp's single-instance guard bound an abstract socket named
"velox-daemon-<euid>" — one name per user, system-wide. XDG_RUNTIME_DIR
isolation never reached it: a leaked test veloxd held the lock for 4h40m and
locked out every other isolated instance with the same euid (PROTO, EXT, the
orchestrator), real daemon included.
Extracted rpc/single_instance.{hpp,cpp} (was a static in main.cpp, untestable)
and derived the abstract-socket name from a hash of the resolved runtime dir
path instead of euid alone. The real per-user daemon is still unique (its
runtime dir is unique to it); isolated instances pointed at their own runtime
dirs now coexist. main() resolves the runtime dir before acquiring the lock
(was the other way around). New single_instance_test covers same-dir refusal,
different-dir coexistence, and release-on-close.
Verified against real veloxd binaries, not just unit tests: startMode: "later"
via a live download.add lands in `paused`; two veloxd with different runtime
dirs run concurrently, two with the same one and the second refuses with the
runtime dir named in the error. Full ctest: 39/39.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01GRDjHGgpYmMoPE2UFbe7pP
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samiandClaude Sonnet 5
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a967eca669 |
daemon: persist engine progress/probe to the store — segments:0 no longer leaks
Engine numbers never reached the store: download.get after a correctly-finished
download reported sizeBytes: null, downloadedBytes: 0, speedBps: 0, resumable:
false, segments: 0, segmentDetail: [] — segments: 0 breaks the frozen contract
(TaskSummary.segments is minimum:1, required).
- Scheduler::tick() now probes (EnginePort::probe) before every start(), persisting
sizeBytes/resumable/validators via Tasks::set_probe_result before a byte moves,
then starts the engine with that ProbeResult as probe_hint.
- Scheduler::persist_progress() (new) writes downloadedBytes/speedBps/segments/
segmentDetail from the engine's Progress. Called from progress_snapshot() (the
250ms tick) *and* once more from on_engine_state right before release()/unmap on
every terminal transition, so a task that finishes between two ticks — the common
case for anything small or fast — still leaves real numbers instead of the
pre-persistence defaults.
- TaskSummary.segments is sourced from segments.size() when the task has any
(matching what actually lands in segmentDetail, per the schema's "exactly
segments entries"), falling back to the engine's effective_segments (budget
slots *held*, not necessarily physical range count) only pre-segmentation.
- Tasks::set_final_bytes tops up on_finished's byte count as a last-resort
backstop.
- store/segments.{cpp,hpp}: read/write access to the segments table behind
TaskDetail.segmentDetail. Wired into daemon/CMakeLists.txt.
- migrations/0002: speed_bps on tasks and segments; fixes segments.state's CHECK
to include 'pending' (0001 omitted it, so a pre-connect snapshot could never be
written).
- store_migrations_test's forward-only loop faked "released version N" by setting
the user_version pragma alone, with no real schema underneath — never exercised
until 0002 existed. Fixed to actually build the db through migrations 1..N first.
Verified against real veloxd + tools/testserver (not just unit tests):
download.list/download.get correct immediately after completion and after a
daemon restart, with saveTo.allowedRoots pointed at an isolated dir.
Observed but not fixed (CORE, not this lane, noted in deferrals.md): Progress.
speed_bps reads back 0 for the whole lifetime of a live throttled download in the
same E2E check, despite downloadedBytes visibly advancing. DAEMON passes it
through unmodified; filed rather than worked around.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01GRDjHGgpYmMoPE2UFbe7pP
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samiandClaude Sonnet 5
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824fa481bb |
daemon: event.* fan-out (D5) + category.list/queue.list (D3) — GUI-ready
The two items aimed at pointing GUI at a real veloxd instead of mockd.
rpc/event_hub — per-subscription fan-out shared by both transports.
subscribe() registers a connection with no interest; set_filter()
(session.subscribe, replaces not adds) turns on event kinds and an
optional per-task id filter; publish() delivers a pre-built
notification to every matching subscriber. session.subscribe on both
UdsServer and WsServer now does the real thing — registers/updates a
subscription, tears it down in close_conn.
sched/scheduler — the on_engine_state hook now actually publishes:
- transition() is the one place a task's row changes state; it reads
the store's own prior row for previousState (authoritative
regardless of engine/scheduler timing), writes the error columns,
and — when a hub is supplied — publishes event.task.state with
{taskId, state, previousState, summary, error}. Wired into every
transition: scheduler-driven (admission -> probing, resume ->
connecting, pause) and engine-reported (on_engine_state).
- progress_snapshot(): one row per task the engine is tracking
(EnginePort::progress(), a new interface method backed by
DownloadHandle::progress()), plus a store side-effect
(Tasks::update_progress) so download.list/get stay current between
state transitions. Returns rows; does NOT publish itself — batching
into one array message is the caller's job, per the schema's
x-maxRateHz: 4 and AGENT-DAEMON.md item 5 ("one message per task per
tick burns a core"). main.cpp's 250 ms timerfd is that caller: one
event.task.progress per tick, only when there's something to say.
dispatcher::on_download_add now publishes event.task.added (schema:
"summary is always present so a client can insert the row without a
follow-up download.get").
store/categories, store/queues — the two D3 handlers GUI's panels
call. category.list projects the six seeded built-ins; queue.list
derives taskIds from tasks.queue_id/queue_position (Queue's own schema
note: a queue's stored row never carries membership, download.update
/ queue.reorder do).
Verified live end to end against tools/testserver: a subscribed client
sees event.task.added on add, then the full event.task.state sequence
(queued -> probing -> connecting -> downloading -> assembling ->
verifying -> complete) with correct previousState at every step, and
real category.list / queue.list results.
Tests: event_hub (filter-by-kind, filter-by-task-id, replace-not-add,
unsubscribe), store_categories_queues, plus new sched_scheduler cases
for event.task.state publishing and progress_snapshot's store
side-effect. 38 daemon/cli tests green; sched_scheduler / event_hub /
ws_server / uds_roundtrip TSan-clean.
deferrals.md: D5 mostly closed (event.task.removed and the
still-unpublished events wait on their owning D3 handlers); D3 down to
the remaining download.* verbs, rules/settings/limiter/schedule,
queue mutation, category mutation, grabber, media.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
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samiandClaude Sonnet 5
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d93c8e10a0 |
daemon: sched/scheduler — governor <-> store <-> engine, against an EnginePort seam
The Scheduler that D4 was waiting on. Built against CORE's engine
HEADERS (now in main); the real EnginePort and the veloxd wiring wait
for lane/core's stage-8 bodies to reach main (deferrals.md D4a/D4b) —
core/src/task/ is still .gitkeep there, so linking vdm::Engine now
would be an unresolved symbol.
- sched/engine_port — the abstract seam: start/pause/resume/cancel/
provide_auth/decide/refresh_url + the ADR 0011 admission config
(set_task_order / set_max_active_segments / set_host_segment_cap).
Keeps the Scheduler testable without a live engine and the daemon
unbound from the concrete vdm::Engine.
- sched/fake_engine_port — a recording impl for tests.
- sched/scheduler:
* owns the wire-UUID <-> vdm::TaskId map.
* tick(): snapshot queues (schedule window evaluated with an
injectable clock) + non-terminal tasks -> governor.evaluate ->
apply. to_start builds a vdm::task::DownloadSpec from the row and
calls EnginePort::start; to_resume -> resume(); to_pause ->
pause() + writes the pause_reason; priority_order -> set_task_order
over the mapped engine ids. `new` tasks are parked (startMode
manual) and skipped.
* on_engine_state(wire_id, state, err): projects an engine
transition onto the store row (state, pause_reason='auto' when an
error rides a paused transition per ADR 0013 §2, flattened error
columns) so the next tick sees ground truth. This is also the hook
event.task.state will fire from (D5).
* reconcile_after_restart(): CORE-owned states -> queued, paused
keeps its reason (ADR 0013 §5).
* reload_config(): reads connection.maxConcurrentDownloads /
maxActiveSegments + a daemon-local host-cap map, pushes caps to
the engine, updates the governor.
* Deps: injectable local-now clock and a post_to_loop marshaller
(engine callbacks arrive on engine threads; default runs inline
for tests).
Test veloxd.sched_scheduler (ASan+UBSan and TSan clean): admission +
ordering, a slot freeing on completion, queue-stop -> pause
(queue_stopped) then queue-restart -> resume (not a fresh start),
engine auto-pause -> pause_reason 'auto' + never auto-resumed,
reconcile_after_restart, reload_config caps push. 35 daemon/cli tests
green.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
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samiandClaude Sonnet 5
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6787784936 |
daemon: store/ query layer — tasks + settings (prep for the download.add vertical slice)
The read/write surface the dispatcher handlers need, so download.add persists and download.list / download.get project real rows when the engine lands. - store/tasks — TaskRow (1:1 with the schema), insert / get / remove / set_state / count, and list(filter, sort, offset, limit) that does all the WHERE / ORDER BY / LIMIT in SQL (M1 DoD: a 1000-row list never materialised client-side). Filter covers states / category / queue / case-insensitive filename+url substring / date range; sort is a whitelisted column + direction with NULLs last, default newest-first; the enum spellings in a state IN (...) come from proto::to_string, never from user text. to_summary() projects a row onto proto::TaskSummary including the flattened error block when the task failed / retry_wait / auto-paused. - store/settings — key -> JSON-text with a built-in default table mirroring Settings.schema.json / ADR 0012; get_raw / set_raw / overrides plus typed get_int / get_string / get_string_array for the governor config and saveTo.allowedRoots. Full settings.get/set wire projection lands with those handlers. - veloxd_store now links velox::proto + nlohmann_json for the projection. Test veloxd.store_tasks: insert/get round trip, PK duplicate rejected, the error-block projection, list total+paging+sort+every filter, set_state pause_reason clear-on-unpause, remove, and settings default vs override. ASan+UBSan and TSan clean; 34 daemon/cli tests green. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig |
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samiandClaude Sonnet 5
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ab479e7885 |
daemon: fs/safepath — the saveDir/filename path-traversal boundary (security)
veloxd is the one process that turns an untrusted string into a filesystem destination, and via capture.offer that string can come from a web page. CLAUDE.md §4 and the M1 DoD both name this. daemon/docs/safepath-adversarial.md is the spec, written before the code the way EXT did for shouldCapture: 21 rows — .. traversal (A1/A2), absolute-outside-roots (A3), prefix-match confusion (A4), symlink-out (A7), TOCTOU on a created tail (A8), NUL/control bytes in the leaf that CORE's fuzzer hit through Content-Disposition (A9/A10), degenerate and overlong leaves (A11/A13), overlong dir component (A14), symlinked root (A16), destination-is-a-file (A17), and the legitimate cases that must still pass — non-ASCII (A18), redundant "." (A19), trailing space/dot trimming (A20). fs/safepath.cpp: - sanitize_leaf: strip <0x20 and 0x7F, trim ws, strip trailing dots, reject ""/"."/".."/contains-'/', cap 255 UTF-8 bytes on a codepoint boundary. Mirrors core/src/net/content_disposition.cpp. - canonicalize_root: expand ~ and realpath each allowedRoots entry once, so a symlinked root resolves to its target. - resolve_target: reject relative saveDir and any ".." component lexically; if the dir exists, realpath + component-wise containment (a symlink that escapes is caught, one that stays inside passes); if a tail is missing, realpath+check the deepest existing ancestor then create the tail via an openat/mkdirat O_NOFOLLOW walk and re-derive the final path from the fd. Every failure is -32011 with data.path = the *original* saveDir (never the resolved path). Residual TOCTOU on a pre-existing intermediate dir is documented and closed by CORE's O_NOFOLLOW open of the file. veloxd_fs static lib; veloxd_rpc links it for the download.add wiring next. Test veloxd.safepath is the adversarial table, on a real temp tree. ASan+UBSan and TSan clean; 33 daemon/cli tests green. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig |
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samiandClaude Sonnet 5
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b010139421 |
daemon: sched/ — the concurrency governor + schedule-window evaluation (build step 4)
The scheduling brain, built against CORE's headers (vdm/engine.hpp,
vdm/segment/budget.hpp) — signatures only; the Engine bodies land in
CORE stage 8 and the Scheduler that wires governor <-> store <-> engine
<-> timer comes after that (daemon/docs/deferrals.md D4).
- sched/governor — a pure decision function. In: a snapshot of every
task's coarse RunState and every queue's state (schedule windows
pre-resolved). Out: {to_start, to_resume, to_pause, pause_reasons,
priority_order}. Enforces, all in TASK units per ADR 0011 §1:
connection.maxConcurrentDownloads; the min(that, maxActiveSegments)
clamp (§2); Queue.maxConcurrent; the per-host task cap (§4); and a
stopped queue / closed window runs nothing. Never touches a task
paused for `user` or CORE's `auto` (ADR 0013 §3) — only Schedule /
QueueStopped / AdmissionReconcile are auto-resumable. Deterministic:
main-list before queued-in-queue, then queue order, then FIFO, then
task_id.
- sched/schedule_window — window_open(Schedule, local tm): disabled =>
always open; `once` => date + time match; `periodic` => weekday in
daysOfWeek (empty = every day) + time in [start, stop); null start =>
midnight, null stop => end of day, stop < start => overnight window.
Pure; re-evaluated every tick, no cached instants.
- veloxd_sched static lib; veloxd links it (nothing calls it yet).
Tests (ASan+UBSan and TSan clean): veloxd.sched_window (10 window
cases incl. overnight, once, null bounds), veloxd.sched_governor
(global/clamp/per-queue/per-host caps, stop vs window pause reasons,
resume-only-governor-reasons, auth-pause untouched, admission
reconcile, determinism under shuffled input). 32 daemon/cli tests
green; full tree green.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
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samiandClaude Sonnet 5
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dab071c41a |
daemon: rpc/ws_server — loopback WebSocket transport + pairing (build step 1, second half)
The extension's fallback transport (docs/05 §4). veloxd now also listens on 127.0.0.1, first free port in 52000-52016, and writes it to <runtime>/ws.port (0600). - rpc/ws_frame — RFC 6455 frame codec. Incremental; reassembles continuation frames; enforces "client frames MUST be masked" (§5.1); caps a reassembled message at 8 MiB. This is the attacker-adjacent parser, so it has its own test table. - rpc/ws_handshake — HTTP upgrade parse, Sec-WebSocket-Accept (SHA-1 + base64 via libcrypto), and the two non-negotiable checks: an Origin header must be present and must be moz-extension:// (a page cannot pair). Version must be 13. - rpc/ws_server — per-connection Handshake -> Open state machine on the shared EventLoop. Token gate: session.pair mints a token behind the approver + rate limiter; session.hello must present a valid one; every other method is -32002 until authed. Privileged methods are refused -32003 by the generated dispatch(). Ping -> Pong; Close echoed. session.hello major-version mismatch -> -32001. - rpc/pairing — PairingApprover interface + EnvAutoApprover dev stub (approves iff VELOX_PAIR_AUTO=1); PairingRateLimiter (5 failures / 60 s per origin, then 60 s lockout -> -32014, survives reconnect); a four-digit code generator. - store/pairings — the pairings table: create() returns the plaintext token once and stores only its SHA-256; find_active_by_token, touch, revoke, list_active. - util/crypto — sha1 / sha256_hex / base64 / random_token over libcrypto. - store/sqlite — pin the DB file (and -wal/-shm) to 0600. - runtime_dir — resolve_data_dir() for $XDG_DATA_HOME/velox (velox.db). - main.cpp — opens + migrates velox.db, starts both transports; a WS bind failure is logged, not fatal (capture must fail open, the Unix socket still serves the GUI/CLI). Real gap, flagged not hidden: the pairing prompt is EnvAutoApprover for now — a GUI dialog / desktop notification is build step 7. Pairing needs VELOX_PAIR_AUTO=1 until then. Tests (ASan+UBSan and TSan clean): veloxd.ws_frame (codec + handshake vectors incl. the RFC 6455 §1.3 accept sample), veloxd.pairings (token create/find/revoke, hash-not-token, rate-limit window + lockout + per-origin isolation + success reset), veloxd.ws_server (full flow: 101 handshake, -32002 gate, deny-then-approve pairing, hello-with-token, -32003 privileged refusal, real download.list). 27 daemon/cli tests green; full tree green. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig |
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samiandClaude Sonnet 5
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4b279e8271 |
daemon: store/ — SQLite WAL schema + forward-only migrator (build step 3)
The daemon's persistent state. SQLite in WAL mode, foreign keys on,
5 s busy timeout so a writer waits rather than SQLITE_BUSY under the
RPC loop.
- store/sqlite — RAII Db/Stmt over the C API; errors returned as
DbResult<T> (std::expected), never thrown — the RPC loop must not
unwind. transaction() helper: BEGIN / fn / COMMIT, ROLLBACK on error.
- store/migrations/0001_initial.sql — the eight tables from the brief:
settings, categories, queues, tasks, segments, rules, history,
pairings. Notable choices:
* tasks columns project onto proto TaskSummary with no computation;
requested vs effective segments/buffer split per ADR 0010/0012;
pause_reason column per ADR 0013.
* segments end_byte is NOT constrained >= 0 so a whole-file
zero-length download is one row with end_byte = -1 (ADR 0010 B3a).
* pairings stores only token_sha256 — the plaintext token is
returned once from session.pair and never persisted (CLAUDE.md §4).
* indices on tasks(state), (category_id), (queue_id, queue_position),
(created_at), (completed_at) for the "1000 tasks, download.list
under 50 ms" DoD.
* six built-in categories + a Main queue seeded.
- store/migrations — runs every embedded migration past PRAGMA
user_version, each in its own transaction, forward-only. SQL files
are embedded at build time by cmake/embed_migrations.cmake.
Test veloxd.store_migrations (ASan+UBSan and TSan clean): fresh DB ->
head, all tables present, seed rows, FK cascade (segment orphan
rejected, task delete cascades), the end_byte=-1 zero-length case,
idempotent re-run, and forward-only from every released user_version.
Also: daemon/docs/proto-requests-m1.md — P1 marked landed on lane/proto
as 1.4.0 (HandlerError/HandlerResult), to be adopted in rpc/ once that
merges to main; P2 resolved.
Not linked into the running daemon yet — the store is wired to the
dispatcher when download.add/list/get get real bodies, next.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
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samiandClaude Sonnet 5
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e60d6669d8 |
daemon: rpc/ — Unix-socket transport + generated dispatch wiring (build step 1)
First real code in daemon/. veloxd now listens on
$XDG_RUNTIME_DIR/velox/velox.sock (0600, SO_PEERCRED same-UID check),
frames NDJSON, and routes every method through the generated
velox::proto::dispatch(). The CLI and GUI have a server to talk to.
Modules:
- rpc/ndjson.hpp — newline-delimited framing, 8 MiB frame cap, CRLF-
tolerant, partial-tail buffering. Header-only, tested.
- rpc/event_loop — single-threaded poll(2) reactor; never blocks the
loop. stop()/wake() are async-signal-safe (eventfd).
- rpc/runtime_dir — $XDG_RUNTIME_DIR/velox resolution, 0700, owner-checked;
refuses an insecure fallback rather than using /tmp.
- rpc/uds_server — listener + non-blocking per-conn read/write with
backpressure; handles session.hello (protocol-major
check -> -32001, sessionId, transport=uds) and
session.subscribe in the server layer; routes the
rest through dispatch().
- rpc/dispatcher — VeloxDispatcher : proto::Dispatcher, all 39 methods.
download.list answers an empty table; the rest return
"not implemented" (-> -32603) until the store lands.
- main.cpp — abstract-namespace single-instance lock, signal ->
clean shutdown, socket unlinked on exit.
Tests (ASan+UBSan and TSan clean):
- veloxd.ndjson — framing edge cases
- veloxd.uds_roundtrip — real socket: hello ok / version mismatch / empty
list / -32601 / -32700 / pipelined requests, and a
guard on the -32603 collapse documented in P1.
Known gap, filed not worked around: daemon/docs/proto-requests-m1.md P1 —
the generated Dispatcher has no error channel below -32603, so handlers
cannot yet return -32010/-32011/-32013 with their data payloads. The
server layer handles -32001/-32002/-32003 around dispatch(); genuine
in-handler errors collapse to -32603 until PROTO gives handlers a real
error return. Three error fixtures are non-conformant until then.
Not in this drop: rpc/ws_server (next; needs the store for hashed pairing
tokens), store/, sched/, cli/. WS reuses this event loop.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
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