feat: brief-daily via llm-connect (structured daily brief)

Generate OperatingRhythm-format briefs with OpenRouter-backed llm-connect
JSON + deterministic markdown write/commit. Server path for Binky daily
rhythm without host Claude (BINKY-WP-0006-T05).

tests/test_brief_daily.py

@@ -0,0 +1,125 @@
+from __future__ import annotations
+
+import json
+import subprocess
+from datetime import date
+from pathlib import Path
+
+from agent_harness import brief_daily
+
+
+def _git_repo(tmp_path: Path) -> Path:
+    repo = tmp_path / "binky-control"
+    repo.mkdir()
+    subprocess.run(["git", "init"], cwd=repo, check=True, capture_output=True)
+    subprocess.run(
+        ["git", "config", "user.email", "test@example.com"],
+        cwd=repo,
+        check=True,
+        capture_output=True,
+    )
+    subprocess.run(
+        ["git", "config", "user.name", "test"],
+        cwd=repo,
+        check=True,
+        capture_output=True,
+    )
+    (repo / "DecisionQueue.md").write_text(
+        "# DecisionQueue\n\n## Open\n\n### DEC-2026-999\nstatus: prepared\n",
+        encoding="utf-8",
+    )
+    (repo / "OfficeHourQueue.md").write_text("# OH\n", encoding="utf-8")
+    (repo / "AutopilotWorkQueue.md").write_text("# AWQ\n", encoding="utf-8")
+    (repo / "RiskRegister.md").write_text("# Risks\n", encoding="utf-8")
+    (repo / "briefs").mkdir()
+    subprocess.run(["git", "add", "."], cwd=repo, check=True, capture_output=True)
+    subprocess.run(
+        ["git", "commit", "-m", "init"],
+        cwd=repo,
+        check=True,
+        capture_output=True,
+    )
+    return repo
+
+
+def test_render_brief_format() -> None:
+    md = brief_daily.render_brief(
+        date(2026, 7, 22),
+        {
+            "decide_now": ["DEC-1 approve cutover"],
+            "progress": ["WP-0005 finished"],
+            "risks": [],
+            "best_next_hour": "Approve DEC-1",
+        },
+    )
+    assert md.startswith("# Daily Brief — 2026-07-22\n")
+    assert "## Decide now" in md
+    assert "## Progress" in md
+    assert "## Risks" in md
+    assert "## Best next hour" in md
+    assert "No RiskRegister changes" in md
+    assert "Approve DEC-1" in md
+
+
+def test_parse_brief_response_fences() -> None:
+    data = brief_daily.parse_brief_response(
+        '```json\n{"decide_now":[],"progress":["x"],"risks":[],'
+        '"best_next_hour":"none"}\n```'
+    )
+    assert data["progress"] == ["x"]
+
+
+def test_run_brief_daily_mock(tmp_path: Path, monkeypatch) -> None:
+    repo = _git_repo(tmp_path)
+    monkeypatch.setattr(brief_daily.hub, "post_progress_event", lambda **kw: True)
+    day = date(2026, 7, 22)
+
+    def fake(prompt: str) -> str:
+        assert "DecisionQueue" in prompt
+        return json.dumps(
+            {
+                "decide_now": ["DEC-2026-999 go"],
+                "progress": ["scaffold landed"],
+                "risks": [],
+                "best_next_hour": "no founder action needed today",
+            }
+        )
+
+    result = brief_daily.run_brief_daily(
+        repo, day=day, complete_fn=fake, force=True
+    )
+    assert result.ok
+    assert result.wrote
+    assert result.committed
+    path = repo / "briefs" / "2026-07-22-daily-brief.md"
+    assert path.is_file()
+    text = path.read_text(encoding="utf-8")
+    assert "DEC-2026-999" in text
+    assert "scaffold landed" in text
+
+
+def test_skip_existing_brief(tmp_path: Path, monkeypatch) -> None:
+    repo = _git_repo(tmp_path)
+    monkeypatch.setattr(brief_daily.hub, "post_progress_event", lambda **kw: True)
+    day = date(2026, 7, 22)
+    path = brief_daily.brief_path_for(repo, day)
+    path.write_text("# Daily Brief — 2026-07-22\n\nalready\n", encoding="utf-8")
+    subprocess.run(["git", "add", "."], cwd=repo, check=True, capture_output=True)
+    subprocess.run(
+        ["git", "commit", "-m", "brief"],
+        cwd=repo,
+        check=True,
+        capture_output=True,
+    )
+    called = {"n": 0}
+
+    def boom(prompt: str) -> str:
+        called["n"] += 1
+        raise AssertionError("should not call LLM")
+
+    result = brief_daily.run_brief_daily(
+        repo, day=day, complete_fn=boom, force=False
+    )
+    assert result.ok
+    assert result.skipped_existing
+    assert called["n"] == 0