chore(lint): ban bare `use anyhow::Result` and fully qualify it

Add a no_banned_use linter that forbids importing anyhow::Result, and
update all call sites to reference it via its fully-qualified path so
it is never confused with std::result::Result.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/crates/shirabe/src/downloader/change_report_interface.rs b/crates/shirabe/src/downloader/change_report_interface.rs
index ca2a113..ccbea49 100644
--- a/crates/shirabe/src/downloader/change_report_interface.rs
+++ b/crates/shirabe/src/downloader/change_report_interface.rs
@@ -1,12 +1,11 @@
 //! ref: composer/src/Composer/Downloader/ChangeReportInterface.php
 
 use crate::package::PackageInterfaceHandle;
-use anyhow::Result;
 
 pub trait ChangeReportInterface {
     fn get_local_changes(
         &mut self,
         package: PackageInterfaceHandle,
         path: &str,
-    ) -> Result<Option<String>>;
+    ) -> anyhow::Result<Option<String>>;
 }