feat(journal): journal_closeout._filter_messages excludes daily_prep

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/test_journal_closeout.py

@@ -0,0 +1,24 @@
+"""Tests for journal closeout extraction helpers."""
+
+from types import SimpleNamespace
+
+
+def _msg(role: str, content: str, kind: str | None = None):
+    """Build a Message-like stand-in for the filter helpers."""
+    metadata = {"kind": kind} if kind else None
+    return SimpleNamespace(role=role, content=content, msg_metadata=metadata)
+
+
+def test_filter_excludes_daily_prep_messages():
+    from fabledassistant.services.journal_closeout import _filter_messages
+
+    msgs = [
+        _msg("assistant", "Good morning — here is today's plan…", kind="daily_prep"),
+        _msg("user", "I want to focus on the auth refactor today."),
+        _msg("assistant", "Got it. I'll keep tool calls quiet."),
+    ]
+    kept = _filter_messages(msgs)
+    contents = [m.content for m in kept]
+    assert "Good morning — here is today's plan…" not in contents
+    assert "I want to focus on the auth refactor today." in contents
+    assert "Got it. I'll keep tool calls quiet." in contents