claudetool: improve codereview
Do a bunch of un-vibecoding and bug fixing.
Unfortunately, lots left.
Get rid of vet; gopls check covers it.
Add testing infrastructure and a bunch of fixtures.
diff --git a/claudetool/testdata/gopls_issue_unchanged.txtar b/claudetool/testdata/gopls_issue_unchanged.txtar
new file mode 100644
index 0000000..d1de43b
--- /dev/null
+++ b/claudetool/testdata/gopls_issue_unchanged.txtar
@@ -0,0 +1,25 @@
+Pre-existing gopls issues should not be reported as regressions
+
+-- p.go --
+package p
+
+func F() {
+ x := 42
+}
+
+-- .commit --
+Initial commit with existing gopls issue
+
+-- p.go --
+package p
+
+func F() {
+ x := 42
+ // unrelated change
+}
+
+-- .commit --
+Make a change but keep the same gopls issue
+
+-- .run_test --
+OK