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

tests/test_conversations.py

@@ -20,7 +20,11 @@ from claude_agent_sdk import (
     project_key_for_directory,
 )
 
+from anthropic.types import TextBlock as AnthropicTextBlock
+from anthropic.types import ThinkingBlock
+
 from beaver_gateway.agents.claude import ClaudeAgent, ClaudeOptions
+from beaver_gateway.conversations.turns import reply_text
 from beaver_gateway.backends.claude_sdk import ClaudeSdkBackend
 from beaver_gateway.events.bus import EventBus
 from beaver_gateway.conversations.service import (
@@ -958,3 +962,17 @@ async def test_subagent_result_inside_a_turn_does_not_end_it(world: World) -> No
     assert client.prompts[-1].startswith("two")
     rows = await world.conversations.queue.recent(conv.id)
     assert [r.status for r in rows] == ["done", "done"]
+
+
+def test_reply_text_keeps_progress_updates_and_drops_hidden_reasoning() -> None:
+    blocks = [
+        ThinkingBlock(type="thinking", thinking="", signature="s"),
+        ThinkingBlock(type="thinking", thinking="looking it up", signature="s"),
+        AnthropicTextBlock(type="text", text="found it"),
+    ]
+    assert reply_text(blocks) == "looking it up\n\nfound it"
+
+
+def test_reply_text_on_a_plain_answer_is_unchanged() -> None:
+    blocks = [AnthropicTextBlock(type="text", text="  just an answer  ")]
+    assert reply_text(blocks) == "just an answer"