build: add lint target

ober

ec5846fedeb67c08996a943b1c9aba2950d7a51a

diff --git a/Makefile b/Makefile
index 2183b32..a4cfc62 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,7 @@ FREEBSD_CC_ENV := CC_x86_64_unknown_freebsd="$(FREEBSD_AMD64_CC)" \
 
 .PHONY: all help gen binary symlinks test import-check focused-security-tests security audit verify sbom reproducibility-report target-evidence release-evidence clean clean-generated vendor-deps vendor-clean \
         linux linux-amd64 linux-arm64 freebsd freebsd-amd64 \
-        cross-check-amd64 cross-check-arm64 cross-check-freebsd
+        cross-check-amd64 cross-check-arm64 cross-check-freebsd lint
 
 # Per AGENTS.md: bare `make` prints targets and mutates nothing.
 all: help
@@ -247,6 +247,8 @@ focused-security-tests: binary scripts/focused-security-tests.sh
 	@REPO_ROOT="$(CURDIR)" sh scripts/focused-security-tests.sh > dist/focused-security-tests/result.txt
 	@cat dist/focused-security-tests/result.txt
 
+lint: import-check
+
 import-check: gen
 	@$(JERBUILD) exec --libdirs "$(LIBDIRS)" support/import-check.ss