feat(backends,conversations,frontends): opus 5.5 progress updates reach telegram, current claude cli in the image

tests/test_telegram.py

@@ -20,6 +20,7 @@ from beaver_gateway.frontends.base import GatewayRuntime
 from beaver_gateway.frontends.files import SendFileError, SendFiles, method_for
 from beaver_gateway.frontends.telegram import Attachments, TelegramFrontend
 from beaver_gateway.frontends.telegram.drafts import Draft
+from beaver_gateway.frontends.telegram.texts import TelegramTexts
 from beaver_gateway.frontends.telegram.render import (
     LIMIT,
     chunks,
@@ -1194,3 +1195,56 @@ async def test_a_refused_upload_comes_back_to_the_agent(stack: Stack) -> None:
     outside = await _send(stack, master, path="/etc/passwd")
     assert outside["is_error"]
     assert "outside the allowed roots" in outside["content"][0]["text"]
+
+
+def _progress_draft() -> Draft:
+    return Draft(cast("Any", None), chat_id=USER, thread_id=None, turn_id="t")
+
+
+def _thinking_delta(text: str) -> Any:
+    return {
+        "event": {
+            "type": "content_block_delta",
+            "index": 0,
+            "delta": {"type": "thinking_delta", "thinking": text},
+        }
+    }
+
+
+def test_progress_updates_reach_the_draft_but_hidden_reasoning_does_not() -> None:
+    draft = _progress_draft()
+    texts = TelegramTexts()
+    stub = SimpleNamespace(_drafts={"k": draft}, texts=texts)
+    feed = functools.partial(TelegramFrontend._feed_draft, cast("Any", stub), "k")
+
+    feed(_thinking_delta(""))
+    assert draft.text == ""
+    assert draft.status == texts.thinking
+
+    feed(_thinking_delta("checking the vault"))
+    assert draft.text == "checking the vault"
+    assert draft.status == texts.writing
+
+
+def test_a_tool_call_between_progress_updates_starts_a_new_paragraph() -> None:
+    draft = _progress_draft()
+    texts = TelegramTexts()
+    stub = SimpleNamespace(
+        _drafts={"k": draft},
+        texts=texts,
+        _tool_status=lambda name, _input: texts.tool.format(label=name),
+    )
+    feed = functools.partial(TelegramFrontend._feed_draft, cast("Any", stub), "k")
+
+    feed(_thinking_delta("reading the note"))
+    feed(
+        {
+            "event": {
+                "type": "content_block_start",
+                "index": 1,
+                "content_block": {"type": "tool_use", "name": "Read"},
+            }
+        }
+    )
+    feed(_thinking_delta("now writing it back"))
+    assert draft.text == "reading the note\n\nnow writing it back"