Support negative, or zero truncate limit

plugin/inlay_hint.py

@@ -145,7 +145,7 @@ def format_inlay_hint_label(inlay_hint: InlayHint, session: Session, phantom_uui
             })
             result += f'<a href="{inlay_hint_click_command}">'
         instruction_text = '\nDouble-click to insert' if has_text_edits else ""
-        truncated = len(label) >= truncate_limit
+        truncated = len(label) >= truncate_limit and truncate_limit > 0
         truncated_label = label[:truncate_limit] + '…' if truncated else label
         result_tooltip = (tooltip + instruction_text).strip()
         result += f'<span title="{result_tooltip}">{html.escape(truncated_label)}</span>'
@@ -158,7 +158,7 @@ def format_inlay_hint_label(inlay_hint: InlayHint, session: Session, phantom_uui
 
     remaining_truncate_limit = truncate_limit
     for label_part in label:
-        if remaining_truncate_limit <= 0:
+        if remaining_truncate_limit <= 0 and truncate_limit > 0:
             break
         value = ""
         tooltip = format_inlay_hint_tooltip(label_part.get("tooltip"))
@@ -175,7 +175,7 @@ def format_inlay_hint_label(inlay_hint: InlayHint, session: Session, phantom_uui
             })
             value += f'<a href="{inlay_hint_click_command}">'
         raw_label = label_part['value']
-        truncated = len(raw_label) >= remaining_truncate_limit
+        truncated = len(raw_label) >= remaining_truncate_limit and truncate_limit > 0
         truncated_label = raw_label[:remaining_truncate_limit] + '…' if truncated else raw_label
         remaining_truncate_limit -= len(raw_label)
         value += html.escape(truncated_label)