fix: collapse consecutive str::replace calls to satisfy clippy

server/src/agents/pty.rs

@@ -212,7 +212,7 @@ fn run_agent_pty_blocking(
     // Count existing session files for this worktree to detect budget exhaustion.
     let session_dir = format!(
         "/home/huskies/.claude/projects/-workspace--huskies-worktrees-{}/",
-        story_id.replace('_', "-").replace('.', "-")
+        story_id.replace(['_', '.'], "-")
     );
     let session_count = std::fs::read_dir(&session_dir)
         .map(|d| d.filter(|e| e.as_ref().map(|e| e.path().extension().is_some_and(|ext| ext == "jsonl")).unwrap_or(false)).count())