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
Owner: lane DAEMON. See ../docs/agents/AGENT-DAEMON.md. Owns all state: RPC, scheduler, queues, SQLite, pairing.