xiaoli-cli 7.0.0: 重构底层架构 + 移除工具截断

- 重构 core/ 底层 (7文件): app/runner/engine/parser/history/safety/display
- FC原生调用为主，prompt-JSON保底
- 移除所有工具返回截断 (ai_search/git_tools/cmd_executor/browser_auto/network_tools/sub_agent/tool_search)
- 删除无用文件 (旧服务器/WebUI/彩蛋/启动器等21个文件)
- 清理 constants.py 死代码
- 版本号更新为 7.0.0

core/display.py

@@ -0,0 +1,44 @@
+"""显示输出"""
+import sys
+
+try:
+    from colorama import Fore, Style, init
+    init()
+except ImportError:
+    class _D:
+        CYAN = GREEN = YELLOW = RED = LIGHTBLACK_EX = RESET_ALL = ''
+    Fore = Style = _D()
+
+
+class Display:
+    def text(self, text, is_continue=False):
+        if text:
+            print(text)
+
+    def thinking(self, text):
+        if text:
+            t = text[:500] + "..." if len(text) > 500 else text
+            print(f"{Style.LIGHTBLACK_EX if hasattr(Style,'LIGHTBLACK_EX') else Fore.LIGHTBLACK_EX}[深度思考: {t}]{Style.RESET_ALL}")
+
+    def tool_start(self, tc):
+        args = tc.args[:80] + "..." if len(tc.args) > 80 else tc.args
+        print(f"  {Fore.GREEN}OK 工具:{Fore.RESET_ALL if hasattr(Fore,'RESET_ALL') else Style.RESET_ALL} {tc.name}")
+        print(f"  {Fore.CYAN}参数:{Style.RESET_ALL} {args}")
+
+    def tool_result(self, tc, result):
+        text = result.data if result.data is not None else result.error_message
+        if text:
+            s = str(text)
+            if len(s) > 2000:
+                lines = s.split("\n")
+                if len(lines) > 30:
+                    s = "\n".join(lines[:30]) + f"\n... (共{len(lines)}行)"
+            print(f"  {Fore.CYAN}结果:{Style.RESET_ALL}")
+            for line in s.split("\n"):
+                print(f"     {line}")
+
+    def info(self, msg):
+        print(f"{Fore.YELLOW}{msg}{Style.RESET_ALL}")
+
+    def error(self, msg):
+        print(f"{Fore.RED}{msg}{Style.RESET_ALL}")