Apply prettier to the handoff and recipe docs

prettier only runs on pre-push, so the previous commit passed the
per-file gate and then failed the push. No line counts changed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011w2Pj4Ek3ZNMQVYcFHgXDY

docs/python-split-recipes.md

@@ -175,25 +175,25 @@ Generalised from `python_pkg`; full detail in `docs/python-split-recipes.md`.
 **A block may move if every MOD-relative patch that reaches it comes from one
 test module. If two test modules patch a shared collaborator, keep the
 collaborator and move its callers instead.** The caller resolves the name
-through its *own* module's globals, so importing it into the new module makes
+through its _own_ module's globals, so importing it into the new module makes
 the patch land there.
 
 Corollaries that each cost a failed run to learn:
 
 - **`test_X.py` needing no edit is the signal you cut in the right place.**
   It held on four of five source splits in `brother_printer`.
-- **Never blanket-`sed` a MOD.** Decide per test *by which function is under
-  test*. `test_challenge_part3.py` needed 13 of its strings repointed and 4
+- **Never blanket-`sed` a MOD.** Decide per test _by which function is under
+  test_. `test_challenge_part3.py` needed 13 of its strings repointed and 4
   left alone.
 - **A mispointed patch does not always fail — it can HANG or do real work.**
   `code_tutor` spun for two minutes running a real interactive flow;
   `cups_queue` would have restarted the live CUPS daemon. Always run under
-  `timeout`, and assert the targets resolve *before* invoking pytest.
+  `timeout`, and assert the targets resolve _before_ invoking pytest.
 - **When splitting a test file, copy the WHOLE preamble** (docstring, imports,
   fixture builders) into the new file and let ruff's `F401` pass prune it.
   Hand-writing the import block failed on every early attempt; the copy-then-
   prune order removed 82 imports correctly in `wsg_grabber` with none missed.
-  It does **not** cover module-level `def`s and constants sitting *between*
+  It does **not** cover module-level `def`s and constants sitting _between_
   sections — `_make_verifier`, `_QUESTIONS`, `_logger` and
   `_SAME_FIELD_X_TOLERANCE_PX` were each left behind that way. Grep for them.
 - **Budget two cuts.** Nine of the splits landed 1–20 lines over after the

docs/shell-split-recipes.md

@@ -8,7 +8,7 @@ coverage gate**, so none of the above transfers. Decision 6 governs:
 `bash -n` + `shellcheck` + `systemctl cat` path checks, and **never execute an
 enforcement script that mutates the live system or the phone.**
 
-- After each split, `bash -n` and `shellcheck` the entry script *and* every new
+- After each split, `bash -n` and `shellcheck` the entry script _and_ every new
   lib. Neither catches a lib that is never sourced.
 - So also: for each new `lib/*.sh`, grep the entry script for the `source`/`.`
   line naming it, and confirm the path resolves from where the script actually
@@ -21,7 +21,8 @@ enforcement script that mutates the live system or the phone.**
     `scripts/single_use/utils/organize_downloads.sh`
 
   Every other in-repo unit references an installed copy under `/usr/local/`,
-  so those are only at risk if the *installer* is what you split.
+  so those are only at risk if the _installer_ is what you split.
+
 - Prefer files that **nothing** references first — pure lint risk.
 - Watch **jscpd** on the first multi-lib commit: repeated `set -euo pipefail` +
   source-guard headers across several new libs is exactly what pushes

refactor_claude_todo_resume.md

@@ -23,15 +23,15 @@ Earlier sessions had already done: the `~/utils` exemptions, the
 
 ## What is left
 
-| Directory | Count |
-|---|---|
-| `linux_configuration` | 84 |
-| `phone_focus_mode` | 13 (do LAST) |
-| `kcd2_dice_solver` | 12 |
-| `focus_owner` | 11 |
-| `billsplit` | 6 |
-| `reverse_survivors` / `meta` / `docs` | 4 each |
-| `.github` / `bucket_catch` | 2 each |
+| Directory                             | Count        |
+| ------------------------------------- | ------------ |
+| `linux_configuration`                 | 84           |
+| `phone_focus_mode`                    | 13 (do LAST) |
+| `kcd2_dice_solver`                    | 12           |
+| `focus_owner`                         | 11           |
+| `billsplit`                           | 6            |
+| `reverse_survivors` / `meta` / `docs` | 4 each       |
+| `.github` / `bucket_catch`            | 2 each       |
 
 Within `linux_configuration` the bulk is `scripts/single_use/` (39 across
 `features`/`utils`/`fixes`), then `scripts/periodic_background/` (10) and