feat(ai): Harden tool access exclusion across all providers

src/ai_client.py

@@ -396,7 +396,7 @@ def reset_session() -> None:
  global _anthropic_client, _anthropic_history
  global _deepseek_client, _deepseek_history
  global _minimax_client, _minimax_history
- global _CACHED_ANTHROPIC_TOOLS
+ global _CACHED_ANTHROPIC_TOOLS, _CACHED_DEEPSEEK_TOOLS
  global _gemini_cli_adapter
  if _gemini_client and _gemini_cache:
   try:
@@ -425,6 +425,7 @@ def reset_session() -> None:
  with _minimax_history_lock:
   _minimax_history = []
  _CACHED_ANTHROPIC_TOOLS = None
+ _CACHED_DEEPSEEK_TOOLS = None
  file_cache.reset_client()
 
 def get_gemini_cache_stats() -> dict[str, Any]:
@@ -501,13 +502,14 @@ _agent_tools: dict[str, bool] = {}
 
 def set_agent_tools(tools: dict[str, bool]) -> None:
  """Configures which tools are enabled for the AI agent."""
- global _agent_tools, _CACHED_ANTHROPIC_TOOLS
+ global _agent_tools, _CACHED_ANTHROPIC_TOOLS, _CACHED_DEEPSEEK_TOOLS
  _agent_tools = tools
  _CACHED_ANTHROPIC_TOOLS = None
+ _CACHED_DEEPSEEK_TOOLS = None
 
 def set_tool_preset(preset_name: Optional[str]) -> None:
  """Loads a tool preset and applies it via set_agent_tools."""
- global _agent_tools, _CACHED_ANTHROPIC_TOOLS, _tool_approval_modes, _active_tool_preset
+ global _agent_tools, _CACHED_ANTHROPIC_TOOLS, _CACHED_DEEPSEEK_TOOLS, _tool_approval_modes, _active_tool_preset
  _tool_approval_modes = {}
  if not preset_name or preset_name == "None":
   # Enable all tools if no preset
@@ -534,6 +536,7 @@ def set_tool_preset(preset_name: Optional[str]) -> None:
    sys.stderr.write(f"[ERROR] Failed to set tool preset '{preset_name}': {e}\n")
    sys.stderr.flush()
  _CACHED_ANTHROPIC_TOOLS = None
+ _CACHED_DEEPSEEK_TOOLS = None
 
 def set_bias_profile(profile_name: Optional[str]) -> None:
  """Sets the active tool bias profile for tuning model behavior."""