chore(#1474): add reason= to remaining bare clippy allows outside dashboard

hive-ag3nt/src/turn.rs

@@ -637,7 +637,12 @@ pub async fn compact_session(files: &TurnFiles, bus: &Bus) -> TurnOutcome {
     outcome
 }
 
-#[allow(clippy::too_many_lines)]
+#[allow(
+    clippy::too_many_lines,
+    reason = "one linear subprocess driver: spawn claude, stream + classify \
+              stdout/stderr, then assemble the outcome; splitting it would \
+              fragment the streaming state across helpers"
+)]
 async fn run_claude(prompt: &str, files: &TurnFiles, bus: &Bus) -> Result<(bool, bool, bool)> {
     // Keep the last STDERR_TAIL_LINES of stderr so a non-zero exit can
     // include real context in the bail message (and downstream in the