Guard against infinite loops with recursive links traversal

adapter/sqlite/note_dao.go

@@ -526,6 +526,9 @@ func (d *NoteDAO) findRows(opts note.FinderOpts) (*sql.Rows, error) {
 			query += fmt.Sprintf(" AND tc.distance < %d", maxDistance)
 		}
 
+		// Guard against infinite loops by limiting the number of recursions.
+		query += "\n     LIMIT 100000"
+
 		query += "\n)\n"
 	}
 

docs/.zk/config.toml

@@ -1,4 +1,5 @@
 [note]
+filename = "{{slug title}}"
 template = "default.md"
 
 [tool]

docs/external-processing.md

@@ -1,7 +1,5 @@
 # Send notes for processing by other programs
 
-<!-- TODO: --color=none -->
-
 A great way to expand `zk` feature set is to explore a wealth of command-line tools available. You can use `zk`'s powerful [searching and filtering](note-filtering.md) capabilities to select notes before delegating further processing to other programs.
 
 ## Process file paths

docs/style.md

@@ -1,7 +1,5 @@
 # Styling
 
-<!-- TODO: semantic rules -->
-
 `zk` supports a `{{style}}` [template helper](template.md) to format its output with colors and font decorations.
 
 Usage: `{{style "<rules>" "<text>"}}`