diff --git a/agent_loop.py b/agent_loop.py
index 3cdd976..5e8404e 100644
--- a/agent_loop.py
+++ b/agent_loop.py
@@ -1,4 +1,4 @@
-import json, re
+import json, re, os
 from dataclasses import dataclass
 from typing import Any, Optional
 @dataclass
@@ -6,11 +6,9 @@ class StepOutcome:
     data: Any
     next_prompt: Optional[str] = None
     should_exit: bool = False
-
 def try_call_generator(func, *args, **kwargs):
     ret = func(*args, **kwargs)
-    if hasattr(ret, '__iter__') and not isinstance(ret, (str, bytes, dict, list)):
-        ret = yield from ret
+    if hasattr(ret, '__iter__') and not isinstance(ret, (str, bytes, dict, list)): ret = yield from ret
     return ret
 
 class BaseHandler:
@@ -42,10 +40,12 @@ def exhaust(g):
 
 def get_pretty_json(data):
     if isinstance(data, dict) and "script" in data:
-        data = data.copy()
-        data["script"] = data["script"].replace("; ", ";\n  ")
+        data = data.copy(); data["script"] = data["script"].replace("; ", ";\n  ")
     return json.dumps(data, indent=2, ensure_ascii=False).replace('\\n', '\n')
 
+_TOOL_ICONS = {'file_read': '📖', 'file_write': '✏️', 'file_patch': '✏️', 'code_run': '⚙️',
+    'web_scan': '🌐', 'web_execute_js': '🌐', 'update_working_checkpoint': '💾', 'ask_user': '❓', 'start_long_term_update': '💾'}
+
 def agent_runner_loop(client, system_prompt, user_input, handler, tools_schema, max_turns=40, verbose=True, initial_user_content=None):
     messages = [
         {"role": "system", "content": system_prompt},
@@ -53,7 +53,8 @@ def agent_runner_loop(client, system_prompt, user_input, handler, tools_schema,
     ]
     turn = 0; handler._done_hooks = [];  handler.max_turns = max_turns
     while turn < handler.max_turns:
-        turn += 1; yield f"**LLM Running (Turn {turn}) ...**\n\n"
+        turn += 1; md = '**' if verbose else ''
+        yield f"{md}LLM Running (Turn {turn}) ...{md}\n\n"
         if turn%10 == 0: client.last_tools = ''  # 每10轮重置一次工具描述，避免上下文过大导致的模型性能下降
         response_gen = client.chat(messages=messages, tools=tools_schema)
         if verbose:
@@ -61,7 +62,8 @@ def agent_runner_loop(client, system_prompt, user_input, handler, tools_schema,
             yield '\n\n'
         else:
             response = exhaust(response_gen)
-            yield response.content
+            cleaned = _clean_content(response.content)
+            if cleaned: yield cleaned + '\n'
 
         if not response.tool_calls: tool_calls = [{'tool_name': 'no_tool', 'args': {}}]
         else: tool_calls = [{'tool_name': tc.function.name, 'args': json.loads(tc.function.arguments), 'id': tc.id}
@@ -70,19 +72,21 @@ def agent_runner_loop(client, system_prompt, user_input, handler, tools_schema,
         tool_results = []; next_prompts = set(); should_exit = None
         for ii, tc in enumerate(tool_calls):
             tool_name, args, tid = tc['tool_name'], tc['args'], tc.get('id', '')
+            icon = _TOOL_ICONS.get(tool_name, '🛠️')
             if tool_name == 'no_tool': pass
             else: 
-                showarg = get_pretty_json(args)
-                if not verbose and len(showarg) > 200: showarg = showarg[:200] + ' ...'
-                yield f"🛠️ **正在调用工具:** `{tool_name}`  📥**参数:**\n````text\n{showarg}\n````\n" 
+                if verbose: yield f"{icon} 正在调用工具: `{tool_name}`  📥参数:\n````text\n{get_pretty_json(args)}\n````\n"
+                else: yield f"{icon} {tool_name}({_compact_tool_args(tool_name, args)})\n\n\n"
             handler.current_turn = turn
             gen = handler.dispatch(tool_name, args, response, index=ii)
-            if verbose:
-                yield '`````\n'
-                outcome = yield from gen
-                yield '`````\n'
-            else: outcome = exhaust(gen)
-
+            try:
+                v = next(gen)
+                def proxy(): yield v; return (yield from gen)
+                if verbose: yield '`````\n'
+                outcome = (yield from proxy()) if verbose else exhaust(proxy())
+                if verbose: yield '`````\n'
+            except StopIteration as e: outcome = e.value
+            
             if outcome.should_exit: return {'result': 'EXITED', 'data': outcome.data}    # should_exit is only used for immediate exit
             if not outcome.next_prompt: 
                 should_exit = {'result': 'CURRENT_TASK_DONE', 'data': outcome.data}; break
@@ -97,3 +101,24 @@ def agent_runner_loop(client, system_prompt, user_input, handler, tools_schema,
         next_prompt = handler.next_prompt_patcher("\n".join(next_prompts), None, turn)
         messages = [{"role": "user", "content": next_prompt, "tool_results": tool_results}]   # just new message, history is kept in *Session
     return {'result': 'MAX_TURNS_EXCEEDED'}
+
+def _clean_content(text):
+    if not text: return ''
+    def _shrink_code(m):
+        lines = m.group(0).split('\n')
+        lang = lines[0].replace('```','').strip()
+        body = [l for l in lines[1:-1] if l.strip()]  # 去掉```行和空行
+        if len(body) <= 6: return m.group(0)  # 短代码保留
+        preview = '\n'.join(body[:5])
+        return f'```{lang}\n{preview}\n  ... ({len(body)} lines)\n```'
+    text = re.sub(r'```[\s\S]*?```', _shrink_code, text)
+    for p in [r'<file_content>[\s\S]*?</file_content>', r'<tool_(?:use|call)>[\s\S]*?</tool_(?:use|call)>', r'(\r?\n){3,}']:
+        text = re.sub(p, '\n\n' if '\\n' in p else '', text)
+    return text.strip()
+
+def _compact_tool_args(name, args):
+    a = {k: v for k, v in args.items() if k != '_index'}
+    for k in ('path',): # 只缩短路径
+        if k in a: a[k] = os.path.basename(a[k])
+    if name == 'update_working_checkpoint': s = a.get('key_info', ''); return (s[:60]+'...') if len(s)>60 else s
+    s = json.dumps(a, ensure_ascii=False); return (s[:120]+'...') if len(s)>120 else s