feat(tools): run_python, web search/fetch, market data, options, portfolio

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016DvdRZkyCy9NJpHYDdPqmS

tools/__init__.py

@@ -0,0 +1,25 @@
+"""Tool registry. All personas get the full core toolset; a persona's `tool_emphasis`
+is a prompt hint (which tools to lean on), not a hard restriction. get_portfolio is bound
+per-persona so each agent sees only its own account.
+"""
+
+from __future__ import annotations
+
+from config.personas import Persona
+from tools.market_data import get_bars, get_fundamentals, get_news, get_quote
+from tools.options import get_option_chain, get_option_quote
+from tools.portfolio import make_get_portfolio
+from tools.python_exec import run_python
+from tools.web import web_fetch, web_search
+
+# Tools that are the same for every persona (portfolio is added per-persona below).
+BASE_TOOLS = [
+    run_python, web_search, web_fetch, get_quote, get_bars, get_news, get_fundamentals,
+    get_option_chain, get_option_quote,
+]
+
+
+def build_toolset(persona: Persona | None = None) -> list:
+    """Return the tool list for an agent, including a portfolio tool bound to its account."""
+    account = persona.id if persona is not None else ""
+    return [*BASE_TOOLS, make_get_portfolio(account)]