refactor: rename wrap_external_with_complete to unhandled_external_error

fix: try_instead_of_do rule triggers on all externals, not just error-prone ones

add rule that detects manual formatting of time

Fix: false positive where checks with ' | is-not-empty' on flags that may be null are not taken into account as non-null checks

fix: only have non-zero exit when there are errors

fix: make llvm shell default nix

refactor: removed passthrough function def for parsing

fix: pass path to linter to fix use sorce import parse error

test: add regression test for the remove_redundant_in bug

fix: remove_redundant_in misfire with input-embedded list

fix: ignore user config in tests

fix: remove misleading and unhelpful fix for merging with upsert

fix: compound assignment misfire for differing cell paths on same variable

perf: remove n² function

feat: compact output formatting style