Method _initialize_session

src/mcp_cli/chat/chat_context.py:483–519

Initialize the session with system prompt and context management.

(self)

            return False

    async def _initialize_session(self) -> None:
        """Initialize the session with system prompt and context management."""
        vm_config = (
            WorkingSetConfig(
                max_l0_tokens=self._vm_budget,
                reserved_tokens=min(4000, self._vm_budget // 4),
            )
            if self._enable_vm
            else None
        )
        self.session = SessionManager(
            session_id=self.session_id,
            system_prompt=self._system_prompt,
            infinite_context=self._infinite_context,
            token_threshold=self._token_threshold,
            max_turns_per_segment=self._max_turns_per_segment,
            enable_vm=self._enable_vm,
            vm_mode=VMMode(self._vm_mode),
            vm_config=vm_config,
        )
        await self.session._ensure_initialized()

        # Initialize persistent memory scopes
        try:
            from mcp_cli.memory.store import MemoryScopeStore

            self.memory_store = MemoryScopeStore()
            logger.debug("Persistent memory store initialized")
        except Exception as exc:
            logger.warning("Could not initialize memory store: %s", exc)
            self.memory_store = None

        logger.debug(
            f"Session initialized: {self.session_id} "
            f"(infinite_context={self._infinite_context}, "
            f"vm={self._enable_vm}, vm_budget={self._vm_budget})"
        )

    def _generate_system_prompt(self) -> None:
        """Generate system prompt from available tools (cached with dirty flag)."""