fix: resolve 23 ruff lint errors

Fixes #1149

tests/unit/test_backlog_triage.py

@@ -25,7 +25,6 @@ from timmy.backlog_triage import (
     score_issue,
 )
 
-
 # ── Fixtures ─────────────────────────────────────────────────────────────────
 
 

tests/unit/test_hermes_monitor.py

@@ -7,7 +7,6 @@ Refs: #1073
 """
 
 import json
-from io import BytesIO
 from unittest.mock import MagicMock, patch
 
 import pytest
@@ -79,7 +78,9 @@ def test_get_memory_info_handles_subprocess_failure(monitor):
 
 @pytest.mark.asyncio
 async def test_check_memory_ok(monitor):
-    with patch.object(monitor, "_get_memory_info", return_value={"free_gb": 20.0, "total_gb": 64.0}):
+    with patch.object(
+        monitor, "_get_memory_info", return_value={"free_gb": 20.0, "total_gb": 64.0}
+    ):
         result = await monitor._check_memory()
 
     assert result.name == "memory"
@@ -126,7 +127,7 @@ async def test_check_memory_exception_returns_unknown(monitor):
 @pytest.mark.asyncio
 async def test_check_disk_ok(monitor):
     usage = MagicMock()
-    usage.free = 100 * (1024**3)   # 100 GB
+    usage.free = 100 * (1024**3)  # 100 GB
     usage.total = 500 * (1024**3)  # 500 GB
     usage.used = 400 * (1024**3)
 
@@ -140,7 +141,7 @@ async def test_check_disk_ok(monitor):
 @pytest.mark.asyncio
 async def test_check_disk_low_triggers_cleanup(monitor):
     usage = MagicMock()
-    usage.free = 5 * (1024**3)    # 5 GB — below threshold
+    usage.free = 5 * (1024**3)  # 5 GB — below threshold
     usage.total = 500 * (1024**3)
     usage.used = 495 * (1024**3)
 
@@ -176,12 +177,8 @@ async def test_check_disk_critical_when_cleanup_fails(monitor):
 
 
 def test_get_ollama_status_reachable(monitor):
-    tags_body = json.dumps({
-        "models": [{"name": "qwen3:30b"}, {"name": "llama3.1:8b"}]
-    }).encode()
-    ps_body = json.dumps({
-        "models": [{"name": "qwen3:30b", "size": 1000}]
-    }).encode()
+    tags_body = json.dumps({"models": [{"name": "qwen3:30b"}, {"name": "llama3.1:8b"}]}).encode()
+    ps_body = json.dumps({"models": [{"name": "qwen3:30b", "size": 1000}]}).encode()
 
     responses = [
         _FakeHTTPResponse(tags_body),

tests/unit/test_vassal_agent_health.py

@@ -6,7 +6,6 @@ import pytest
 
 from timmy.vassal.agent_health import AgentHealthReport, AgentStatus
 
-
 # ---------------------------------------------------------------------------
 # AgentStatus
 # ---------------------------------------------------------------------------
@@ -49,9 +48,7 @@ def test_report_any_stuck():
 
 
 def test_report_all_idle():
-    report = AgentHealthReport(
-        agents=[AgentStatus(agent="claude"), AgentStatus(agent="kimi")]
-    )
+    report = AgentHealthReport(agents=[AgentStatus(agent="claude"), AgentStatus(agent="kimi")])
     assert report.all_idle is True
 
 

tests/unit/test_vassal_backlog.py

@@ -6,14 +6,12 @@ import pytest
 
 from timmy.vassal.backlog import (
     AgentTarget,
-    TriagedIssue,
     _choose_agent,
     _extract_labels,
     _score_priority,
     triage_issues,
 )
 
-
 # ---------------------------------------------------------------------------
 # _extract_labels
 # ---------------------------------------------------------------------------

tests/unit/test_vassal_house_health.py

@@ -12,7 +12,6 @@ from timmy.vassal.house_health import (
     _probe_disk,
 )
 
-
 # ---------------------------------------------------------------------------
 # Data model tests
 # ---------------------------------------------------------------------------

tests/unit/test_vassal_orchestration_loop.py

@@ -6,7 +6,6 @@ import pytest
 
 from timmy.vassal.orchestration_loop import VassalCycleRecord, VassalOrchestrator
 
-
 # ---------------------------------------------------------------------------
 # VassalCycleRecord
 # ---------------------------------------------------------------------------
@@ -134,6 +133,6 @@ def test_orchestrator_stop_when_not_running():
 
 
 def test_module_singleton_exists():
-    from timmy.vassal import vassal_orchestrator, VassalOrchestrator
+    from timmy.vassal import VassalOrchestrator, vassal_orchestrator
 
     assert isinstance(vassal_orchestrator, VassalOrchestrator)