feat: runner-aware tools

.typos.toml

@@ -9,4 +9,6 @@ extend-exclude = [
   # Intentional typos for testing fuzzy matching and "did you mean" suggestions
   "crates/vite_select/src/fuzzy.rs",
   "crates/vite_task_bin/tests/e2e_snapshots/fixtures/task_select",
+  # pnpm patch files — hunk context includes third-party code we don't own
+  "patches",
 ]

CLAUDE.md

@@ -148,6 +148,10 @@ All code must work on both Unix and Windows without platform skipping:
 - Platform differences should be handled gracefully, not skipped
 - After major changes to `fspy*` or platform-specific crates, run `just lint-linux` and `just lint-windows`
 
+## New Crates and Packages
+
+When creating a new Rust crate or npm package, add a concise `README.md` stating its goal in one or two sentences. Do not include implementation details, API docs, or links to other docs — those belong in source comments or the design docs.
+
 ## Changelog
 
 When a change is user-facing (new feature, changed behavior, bug fix, removal, or perf improvement), run `/update-changelog` to add an entry to `CHANGELOG.md`. Do not add entries for internal refactors, CI, dep bumps, test fixes, or docs changes.