Add private messaging to the TUI:
- 'm' opens the command bar in message mode; type '<recipient> <text>' and
Enter sends it via the client;
- incoming messages are polled each tick into an inbox;
- 'i' toggles a centered inbox popup listing sent/received messages.
The shared command bar now carries a mode (search vs message) so the prefix,
submit action and shortcut hints follow what is being typed.
Enable the full clippy all + pedantic + nursery groups as workspace warnings,
with a small documented allow-list for the pedantic/nursery lints this project
intentionally does not follow (rustdoc-style requirements, deliberate numeric
casts in the protocol/UI layers, and a few noisy nursery lints). Also enable
the rust unused_lifetimes and unsafe_op_in_unsafe_fn lints.
Fixed every resulting warning (527 -> 0) mechanically per clippy's suggestions:
inline format args, const fns, item ordering, let-else, redundant clones,
map_or, cast_lossless, Eq derives, associated-fn conversions for methods that
never used self, and removing unnecessary Result wrappers whose call sites could
never propagate an error. No runtime behavior changed; cargo fmt applied.
cargo clippy --workspace --all-targets: 0 warnings. All tests pass.
Three related TUI correctness bugs:
- download_selector navigation (select_previous/next/last) computed
items.len() - 1, panicking with an arithmetic underflow when the list was
empty (e.g. a filter matched nothing). Index math is now in wrap-safe
helpers that return no selection for an empty list.
- update_search_results overwrote the filtered results view with the full
unfiltered list on every ~100ms poll, so an active filter silently stopped
working as new results streamed in. It now re-derives the filtered view
from the current query.
- The results pane rendered selection checkboxes by testing the display-row
index against a selection set that stores unfiltered indices, so under an
active filter the wrong rows showed as checked. It now maps the display
index back through the filtered-index table.
Filtering and index-mapping logic extracted into pure, unit-tested helpers.
Splits the downloads area 60/40 with a new info pane that adapts to the
selected download's status: header (filename, user, size, status, save
path, bitrate, length) plus queued-specific fields (queue position, peer
slots, peer upload speed) or live progress/speed/ETA when transferring.
Plumbs queue position via a new ClientOperation::PlaceInQueueUpdate so
PlaceInQueueResponse messages from peers reach DownloadStore, and threads
search-time metadata (bitrate, length, peer slots/speed) onto Download
through a new download_with_metadata entry point.
michel