feat(core,backends,frontends,storage): conversations, inject queue, session pool, gateway mcp tools, api frontend

src/beaver_gateway/frontends/markdown/renderer.py

@@ -9,11 +9,10 @@ from other frontends).
 
 from __future__ import annotations
 
-import json
 import re
 from typing import TYPE_CHECKING, Any, cast
 
-from anthropic.types import Message, TextBlock, ThinkingBlock, ToolUseBlock
+from anthropic.types import Message, TextBlock, ThinkingBlock
 
 if TYPE_CHECKING:
     from collections.abc import Iterable
@@ -61,9 +60,8 @@ def render_assistant_message(message: Message) -> str:
 
     * ``ThinkingBlock`` → ``> [!thinking]-`` collapsed callout
     * ``TextBlock`` → plain text (the spoken answer)
-    * ``ToolUseBlock`` → ``> [!tool]- <name>`` callout with the ``input``
-      JSON quoted inside. Tool *results* are not persisted — see
-      module docstring on ``parser.py`` for why.
+    * ``ToolUseBlock`` → nothing (§3.10: tool calls never reach the file;
+      "what the agent is doing" is the activity panel fed by SSE)
 
     Blank lines separate adjacent blocks; trailing newline guarantees
     the next ``---`` / ``### User:`` marker lands on its own line.
@@ -147,10 +145,7 @@ def _render_block(block: object) -> Iterable[str]:
     if isinstance(block, ThinkingBlock):
         yield from _render_thinking(block.thinking or "")
         return
-    if isinstance(block, ToolUseBlock):
-        yield from _render_tool_use(block)
-        return
-    # Unknown block type — skip silently rather than corrupting the file.
+    # Tool-use blocks and unknown block types never reach the file.
 
 
 def _render_thinking(text: str) -> Iterable[str]:
@@ -159,17 +154,6 @@ def _render_thinking(text: str) -> Iterable[str]:
         yield f"> {line}" if line else ">"
 
 
-def _render_tool_use(block: ToolUseBlock) -> Iterable[str]:
-    title = summarize_tool_input(block.name, block.input)
-    yield f"> [!tool]- {title}"
-    yield "> **input:**"
-    yield "> ```json"
-    pretty = json.dumps(block.input, indent=2, ensure_ascii=False, sort_keys=True)
-    for line in pretty.splitlines():
-        yield f"> {line}" if line else ">"
-    yield "> ```"
-
-
 def adaptive_fence(content: str) -> str:
     """Return a backtick fence at least one longer than the longest run in ``content``.