feat(backends,jobs,telegram,conversations): mcp calls carry the conversation origin, quiet branches close asleep, fresh topics get named

src/beaver_gateway/backends/claude_sdk.py

@@ -111,6 +111,7 @@ warnings.filterwarnings("ignore", category=CanUseToolShadowedWarning)
 ASK_TOOL = "AskUserQuestion"
 
 __all__ = [
+    "ORIGIN_HEADER",
     "AuditSink",
     "ClaudeSdkBackend",
     "RunnerConfig",
@@ -120,6 +121,9 @@ __all__ = [
     "fingerprint",
 ]
 
+ORIGIN_HEADER = "X-Conversation-Origin"
+"""Rides on every exposed MCP request; the gateway proxy passes it upstream."""
+
 ENV_KEEP: tuple[str, ...] = (
     "PATH",
     "HOME",
@@ -724,7 +728,14 @@ class ClaudeSdkBackend:
         system_prompt = (
             prompt_assembly.assemble(sources) if sources else agent.system_prompt
         )
-        servers: dict[str, Any] = dict(self._servers) if spec.tools else {}
+        servers: dict[str, Any] = (
+            {
+                name: {**server, "headers": {ORIGIN_HEADER: key}}
+                for name, server in self._servers.items()
+            }
+            if spec.tools
+            else {}
+        )
         gateway = (
             self._tool_server(key, spec.kind)
             if spec.tools and self._tool_server is not None and agent.gateway_tools

src/beaver_gateway/conversations/spawning.py

@@ -148,8 +148,7 @@ class Spawning(Messaging):
         )
         if result.text.strip():
             await self.inject(parent, result.text, urgency="normal", origin="merge")
-        await self.set_status(conv, "merged")
-        await self.mark_closed(conv)
+        await self.mark_closed(await self.set_status(conv, "merged"))
         self._bus.publish(
             "conversation.merged",
             conversation_id=conv.external_id,

src/beaver_gateway/frontends/telegram/frontend.py

@@ -268,7 +268,10 @@ class TelegramFrontend(Frontend):
         )
 
     async def mark_closed(self, conv: Conversation) -> bool:
-        return await self.mark_topic(conv)
+        merged = conv.status == "merged"
+        return await self.mark_topic(
+            conv, self.texts.closed_prefix if merged else self.texts.idle_prefix
+        )
 
     async def mark_topic(self, conv: Conversation, prefix: str | None = None) -> bool:
         """Rename the topic; closeForumTopic does not exist in private chats."""
@@ -279,10 +282,7 @@ class TelegramFrontend(Frontend):
         name = self._topic_names.get(target[1]) or conv.title or self.texts.branch
         if name.startswith(prefix):
             return True
-        await self.bot.edit_forum_topic(
-            target[0], target[1], name=f"{prefix}{name}"[:128]
-        )
-        self._topic_names[target[1]] = f"{prefix}{name}"
+        await self._rename(target[1], f"{prefix}{self._unmarked(name)}")
         return True
 
     def file_note(self) -> str:
@@ -462,6 +462,36 @@ class TelegramFrontend(Frontend):
             attachments=attachments,
         )
 
+    async def _branch_in_topic(
+        self, topic: int, *, text: str, attachments: list[dict[str, Any]] | None
+    ) -> None:
+        """A fresh topic is named by the first line, a closed one loses its mark."""
+        current = self._topic_names.get(topic)
+        previous = None
+        if current is None:
+            previous = await self.conversations.find_bound(
+                frontend=FRONTEND, external_id=self._ext(topic)
+            )
+        known = current or (previous.title if previous is not None else None)
+        title = (self._unmarked(known) if known else "") or self._title_from(text)
+        await self._branch(topic, title=title, text=text, attachments=attachments)
+        if current == title:
+            return
+        try:
+            await self._rename(topic, title)
+        except TelegramAPIError as exc:
+            _log.warning("topic %s not renamed to %r: %s", topic, title, exc)
+
+    async def _rename(self, topic: int, name: str) -> None:
+        name = name[:128]
+        await self.bot.edit_forum_topic(self.chat_id, topic, name=name)
+        self._topic_names[topic] = name
+
+    def _unmarked(self, name: str) -> str:
+        for prefix in (self.texts.closed_prefix, self.texts.idle_prefix):
+            name = name.removeprefix(prefix)
+        return name
+
     async def _handle(self, update: Update) -> None:
         if update.message is not None:
             await self._on_message(update.message)
@@ -592,9 +622,8 @@ class TelegramFrontend(Frontend):
             topic = cast("int", thread_id)
             conv = await self._live(topic)
             if conv is None:
-                title = self._topic_names.get(topic) or self._title_from(text)
-                await self._branch(
-                    topic, title=title, text=text, attachments=attachments or None
+                await self._branch_in_topic(
+                    topic, text=text, attachments=attachments or None
                 )
                 return
         pending = self.conversations.pending_question(conv.external_id)

src/beaver_gateway/frontends/telegram/texts.py

@@ -42,6 +42,7 @@ class TelegramTexts:
     help_head: str = "General is the master, any other topic is a branch."
     branch: str = "branch"
     closed_prefix: str = "✅ "
+    idle_prefix: str = "💤 "
     waiting: str = "⏳ thinking"
     thinking: str = "🤔 thinking"
     writing: str = "✍️ writing"

src/beaver_gateway/jobs/job.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 import logging
 from dataclasses import dataclass
 from datetime import datetime, timedelta
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Any, cast
 
 if TYPE_CHECKING:
     from collections.abc import Awaitable, Callable, Coroutine
@@ -73,6 +73,23 @@ class JobRun:
         )
         return True
 
+    async def inject_into(
+        self,
+        public_id: str | None,
+        text: str,
+        *,
+        urgency: Priority = "normal",
+        origin: str | None = None,
+    ) -> bool:
+        """Inject into that conversation, or the master once it is gone or over."""
+        conv = await self.conversations.get(public_id) if public_id else None
+        if conv is None or conv.status != "open":
+            return await self.inject_master(text, urgency=urgency, origin=origin)
+        await self.conversations.inject(
+            conv, text, urgency=urgency, origin=origin or self.job.name
+        )
+        return True
+
     async def spawn_job(
         self,
         *,
@@ -113,6 +130,21 @@ class JobRun:
                 _log.exception("closing idle %s failed", conv.external_id)
         return out
 
+    async def close_quiet(
+        self, *, kind: str = "branch", days: int = 3, limit: int | None = None
+    ) -> list[Conversation]:
+        """Close chats quiet for ``days`` without a digest, their windows marked."""
+        out: list[Conversation] = []
+        for conv in await self.conversations.idle(kind=kind, days=days, limit=limit):
+            if await self.conversations.busy(
+                conv
+            ) or await self.conversations.queue.pending(cast("int", conv.id)):
+                continue
+            row = await self.conversations.close(conv)
+            await self.conversations.mark_closed(row)
+            out.append(row)
+        return out
+
     async def retry_in(self, delay: timedelta) -> None:
         await self.scheduler.trigger(
             self.job, self.payload, delay=delay, trigger=self.trigger