fix(docs/bash): fix broken prose sentence from prettier reformatting

The prettier markdown formatter (8406a452) converted a prose '+' into
a markdown list marker '-', splitting 'fires a wake...and the exit code
+ last stdout lines' into a dangling incomplete sentence followed by an
orphaned list item. Rewrite the sentence to avoid the pattern entirely.

docs/tools/bash.md

@@ -14,9 +14,9 @@ invocation regardless of tool groups.
 Submit a shell command for background execution (runs via `bash`).
 Stdout and stderr stream to `harness/bash-tasks/<id>.{out,err}`.
 When the task completes (or times out, or the process errors), the
-harness fires a wake with `from: "bash-task-<id>"` and the exit code
-
-- last stdout lines in the body; handle it on a future turn.
+harness fires a wake with `from: "bash-task-<id>"`; the body contains
+the exit code and last stdout lines. Handle the completion on a future
+turn.
 
 * `timeout_secs` — kill the task after N seconds and mark it
   `timed_out`. Omit for no timeout (runs until natural exit).