feat(core,frontends,agents): agent kinds, frontend routing, anthropic on conversations, vault mirror

src/beaver_gateway/backends/claude_sdk.py

@@ -78,7 +78,12 @@ from beaver_gateway.core.events import (
     build_tool_use_block_start,
 )
 from beaver_gateway.core.sessions import Session, SessionClient, SessionPool
-from beaver_gateway.core.transcript import build_entries, close_open_tool_uses
+from beaver_gateway.core.transcript import (
+    build_entries,
+    close_open_tool_uses,
+    fingerprint,
+    text_of,
+)
 from beaver_gateway.core.turn_capture import TurnCapture, TurnUsage
 
 if TYPE_CHECKING:
@@ -700,41 +705,8 @@ def _mcp_disallowed(
     return out
 
 
-def fingerprint(messages: Iterable[Mapping[str, Any]]) -> str:
-    turns: list[tuple[str, str]] = []
-    for message in messages:
-        text = _text_of(message.get("content"))
-        if not text:
-            continue
-        role = str(message.get("role", ""))
-        if turns and turns[-1][0] == role:
-            turns[-1] = (role, turns[-1][1] + "\n" + text)
-        else:
-            turns.append((role, text))
-    digest = hashlib.sha1(usedforsecurity=False)
-    for role, text in turns:
-        digest.update(role.encode("utf-8"))
-        digest.update(b"\x00")
-        digest.update(text.strip().encode("utf-8"))
-        digest.update(b"\x01")
-    return digest.hexdigest()
-
-
-def _text_of(content: Any) -> str:
-    if isinstance(content, str):
-        return content
-    if isinstance(content, list):
-        parts = [
-            str(b.get("text", ""))
-            for b in content
-            if isinstance(b, Mapping) and b.get("type") == "text"
-        ]
-        return "\n".join(p for p in parts if p)
-    return ""
-
-
 def _prompt_text(content: Any) -> str:
-    text = _text_of(content)
+    text = text_of(content)
     if not text:
         msg = "user message has no text content"
         raise ValueError(msg)