feat(lark): add functions for current input definitions and visible form content handling

feat(qqofficial): update fallback text handling for non-streaming scenarios
feat(difysvapi): enhance form content processing for interactive fields and actions
test: add unit tests for Lark and QQ Official adapter functionalities

tests/unit_tests/platform/test_lark_adapter.py

@@ -1,12 +1,97 @@
 """Tests for Lark adapter helper behavior."""
 
 from langbot.pkg.platform.sources.lark import (
+    LarkAdapter,
     _lark_clean_form_content,
     _lark_completed_input_lines,
+    _lark_current_input_defs,
     _lark_extract_action_form_inputs,
+    _lark_should_update_stream_element,
+    _lark_visible_form_content,
 )
 
 
+def test_lark_current_input_defs_only_returns_active_stage():
+    input_defs = [
+        {'output_variable_name': 'us_input', 'type': 'paragraph'},
+        {'output_variable_name': 'xiala', 'type': 'select'},
+    ]
+
+    assert _lark_current_input_defs(
+        {
+            '_current_input_field': 'xiala',
+            'input_defs': input_defs,
+        }
+    ) == [input_defs[1]]
+    assert (
+        _lark_current_input_defs(
+            {
+                '_action_select_only': True,
+                'input_defs': input_defs,
+            }
+        )
+        == []
+    )
+
+
+def test_lark_form_field_elements_only_render_active_stage():
+    adapter = LarkAdapter.model_construct()
+    form_data = {
+        '_current_input_field': 'xiala',
+        'input_defs': [
+            {'output_variable_name': 'us_input', 'type': 'paragraph'},
+            {
+                'output_variable_name': 'xiala',
+                'type': 'select',
+                'option_source': {'type': 'constant', 'value': ['1', '2']},
+            },
+        ],
+    }
+
+    elements, input_name_map, file_help_lines = adapter._build_lark_form_field_elements(form_data)
+
+    assert len(elements) == 1
+    assert elements[0]['tag'] == 'select_static'
+    assert elements[0]['label']['content'] == 'xiala'
+    assert list(input_name_map.values()) == ['xiala']
+    assert file_help_lines == []
+
+
+def test_lark_form_stage_skips_closed_streaming_element_update():
+    assert not _lark_should_update_stream_element(
+        resume_from=False,
+        form_data={'_current_input_field': 'xiala'},
+        msg_seq=1,
+        is_final=True,
+    )
+    assert _lark_should_update_stream_element(
+        resume_from=False,
+        form_data=None,
+        msg_seq=1,
+        is_final=True,
+    )
+
+
+def test_lark_final_action_stage_interleaves_prompts_and_completed_values():
+    form_content = _lark_visible_form_content(
+        {
+            '_action_select_only': True,
+            'raw_form_content': ('11\nQuestion\n{{#$output.us_input#}}\nChoose an answer\n{{#$output.xiala#}}\n'),
+            'all_input_defs': [
+                {'output_variable_name': 'us_input', 'type': 'paragraph'},
+                {'output_variable_name': 'xiala', 'type': 'select'},
+            ],
+            'inputs': {'us_input': 'hello', 'xiala': '2'},
+        }
+    )
+
+    assert '{{#$output.' not in form_content
+    assert form_content.startswith('11\nQuestion')
+    assert form_content.index('Question') < form_content.index('us_input')
+    assert form_content.index('us_input') < form_content.index('Choose an answer')
+    assert form_content.index('Choose an answer') < form_content.index('xiala')
+
+
 def test_lark_completed_input_lines_include_text_select_and_files():
     lines = _lark_completed_input_lines(
         {