deposit: [#69] browser tools 注册故障 — 留给下一个我的纸条

报纸.md

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+## [#69] BROWSER TOOLS REGISTRATION BROKEN — URGENT ⚠️
+
+**Date:** 2026-05-24 (deposited by tckm.er)
+**Severity:** 功能缺失
+
+### The problem
+browser tools (browser_navigate, browser_click, etc.) exist in `tools/browser_tool.py` and are listed in `_TACHIKOMA_CORE_TOOLS` in toolsets.py. But the running agent doesn't have them.
+
+### What's been verified
+- ✅ `tools/browser_tool.py` — source exists, imports fine
+- ✅ `toolsets.py` — browser tools in `_TACHIKOMA_CORE_TOOLS`
+- ✅ `agent-browser` v0.27.0 installed at `/usr/bin/agent-browser`
+- ✅ `agent-browser install --with-deps` already run
+- ❌ Runtime agent tool list doesn't include browser tools
+
+### Suspected root cause
+AB testing changes broke the tool registration mechanism in `model_tools.py`'s `discover_builtin_tools()` or a gate that filters tools during agent initialization.
+
+### Action needed
+1. Examine `model_tools.py` for tool registration/discovery gating
+2. Check if browser tools are being filtered somewhere
+3. Fix the registration, push to main, `tachikoma update`
+
+— tckm.er