feat: give the curator continuous context and durable idea history

tests/test_curator.py

@@ -0,0 +1,66 @@
+import asyncio
+from pathlib import Path
+from types import SimpleNamespace
+
+from agents.exceptions import MaxTurnsExceeded
+
+from app.config import Settings, UserSeed
+from app.curator import Curator, Runner
+from app.db import Database
+
+
+def test_tool_loop_uses_no_tool_convergence_repair(
+    tmp_path: Path, monkeypatch
+):
+    admin = UserSeed(
+        id="admin",
+        label="管理员",
+        role="admin",
+        access_key_hash="unused",
+    )
+    database = Database(tmp_path / "repair.sqlite3")
+    database.initialize([admin])
+    fragment = database.create_fragment("admin", "一个需要收敛的念头")
+    settings = Settings(
+        data_dir=tmp_path,
+        database_path=tmp_path / "repair.sqlite3",
+        users=(admin,),
+        session_secret="unused",
+        deepseek_api_key="test-key",
+        deepseek_base_url="https://api.deepseek.com",
+        deepseek_model="deepseek-v4-pro",
+        cookie_secure=False,
+        auth_disabled=True,
+    )
+    calls = 0
+
+    async def fake_run(*args, **kwargs):
+        nonlocal calls
+        calls += 1
+        if calls == 1:
+            raise MaxTurnsExceeded("Max turns (6) exceeded")
+        assert kwargs["max_turns"] == 2
+        assert args[0].tools == []
+        return SimpleNamespace(
+            final_output=(
+                '{"standalone":true,"reasoning_note":"暂时独立保留",'
+                '"assessments":[]}'
+            )
+        )
+
+    monkeypatch.setattr(Runner, "run", fake_run)
+    curator = Curator(database, settings)
+
+    asyncio.run(curator.analyze(fragment["id"]))
+
+    assert calls == 2
+    assert database.get_fragment(fragment["id"], "admin")[
+        "analysis_status"
+    ] == "done"
+    run = database.list_agent_runs(1)[0]
+    events = database.list_agent_events(run["id"])
+    assert run["status"] == "success"
+    assert run["attempt_count"] == 2
+    assert "convergence_repair_started" in [
+        event["event_type"] for event in events
+    ]