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Maximilian Roos 63071709af feat(config): deprecate list.task-timeout-ms (#3615)
Removes the `[list] task-timeout-ms` per-task command timeout and the
thread-local machinery behind it. The key stops having any effect
immediately; a config that still carries it loads, warns, and is
stripped by `wt config update`.

The timeout killed any git command that outlived its budget, on every
collect worker, through a thread-local that `Cmd::run` consulted on each
invocation and clamped an explicit `.timeout()` against. Progressive
rendering removed the reason for it: `wt list` and the picker paint from
local data and stream results in behind the frame, so no single git
command can hold up the first paint. What it bounded instead was
completion, which `[list] timeout-ms` already bounds directly, and the
drain falls back to a hardcoded 120s `DRAIN_TIMEOUT` whenever that is
unset (`collect/mod.rs` `drain_deadline`), so removing this cannot
introduce an unbounded wait. Both keys default to unset, so the default
path never had a per-task timeout at all.

`[list] timeout-ms`, the wall-clock budget for the whole collect phase,
stays. It is the surviving knob and the more direct expression of the
same goal.

With the thread-local gone, the two-source `min()` in `Cmd::run`
collapses to the command's own `self.timeout`, so every explicit
`.timeout()` caller keeps its bound unclamped: `PROBE_TIMEOUT` in
`git/reap.rs`, the fsmonitor stop/lsof bounds in `git/remove.rs`, the
version check in `config/show.rs`, and `REMOTE_DETECTION_TIMEOUT`.

## Deprecation

A `Structural` row in `DEPRECATION_RULES` strips the key from `[list]`
in both the section and inline forms, top-level and per-project,
following the `[switch.picker] timeout-ms` precedent (also a strip with
no equivalent key to migrate into):

```
▲ User config: list.task-timeout-ms is no longer used — list.timeout-ms bounds the collect phase
```

The env overlay (`WORKTRUNK__LIST__TASK_TIMEOUT_MS`) and `--config-set`
route through the same rule and migrate silently, since neither layer
has a file for `wt config update` to materialize. Neither errors.

## Testing

New unit tests cover detection and migration for the section, inline,
and per-project forms plus the warning text, and two cases join the
`test_warning_fires_iff_update_changes` battery that pins the
warn-iff-update-changes invariant. The three integration tests that
exercised the feature are gone; `Cmd::timeout` keeps its own coverage in
`shell_exec.rs`, so dropping the four thread-local unit tests loses
nothing for the surviving path. Verified end to end that a config
carrying the key loads, warns, and has it stripped by `wt config update`
with sibling keys intact.

> _This was written by Claude Code on behalf of max_

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-26 13:36:41 -07:00
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