fix: resolve linting and formatting issues for CI

- Use contextlib.suppress instead of try/except/pass (SIM105)
- Prefix unused fixture arguments with underscore (ARG002)
- Replace asyncio.TimeoutError with TimeoutError (UP041)
- Apply ruff formatting to all files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/polymarket_insider_tracker/ingestor/__init__.py

@@ -35,10 +35,12 @@ from polymarket_insider_tracker.ingestor.publisher import (
 )
 from polymarket_insider_tracker.ingestor.websocket import (
     ConnectionState,
-    StreamStats as WebSocketStreamStats,
     TradeStreamError,
     TradeStreamHandler,
 )
+from polymarket_insider_tracker.ingestor.websocket import (
+    StreamStats as WebSocketStreamStats,
+)
 
 __all__ = [
     # CLOB Client

src/polymarket_insider_tracker/ingestor/clob_client.py

@@ -6,7 +6,7 @@ import os
 import time
 from collections.abc import Callable
 from functools import wraps
-from typing import Any, ParamSpec, TypeVar
+from typing import ParamSpec, TypeVar
 
 from py_clob_client.client import ClobClient as BaseClobClient
 from py_clob_client.clob_types import BookParams

src/polymarket_insider_tracker/ingestor/health.py

@@ -335,8 +335,10 @@ class HealthMonitor:
 
         overall_status = self._determine_overall_status()
         HEALTH_STATUS.set(
-            1.0 if overall_status == HealthStatus.HEALTHY
-            else 0.5 if overall_status == HealthStatus.DEGRADED
+            1.0
+            if overall_status == HealthStatus.HEALTHY
+            else 0.5
+            if overall_status == HealthStatus.DEGRADED
             else 0.0
         )
 
@@ -362,10 +364,7 @@ class HealthMonitor:
                 report = self.get_health_report()
 
                 # Notify on status change
-                if (
-                    self._on_health_change
-                    and report.status != self._last_health_status
-                ):
+                if self._on_health_change and report.status != self._last_health_status:
                     self._last_health_status = report.status
                     try:
                         await self._on_health_change(report)

src/polymarket_insider_tracker/ingestor/models.py

@@ -1,5 +1,6 @@
 """Data models for the ingestor module."""
 
+import contextlib
 from dataclasses import dataclass, field
 from datetime import UTC, datetime
 from decimal import Decimal
@@ -46,10 +47,8 @@ class Market:
         end_date = None
         end_date_iso = data.get("end_date_iso")
         if end_date_iso:
-            try:
+            with contextlib.suppress(ValueError, AttributeError):
                 end_date = datetime.fromisoformat(end_date_iso.replace("Z", "+00:00"))
-            except (ValueError, AttributeError):
-                pass
 
         return cls(
             condition_id=str(data["condition_id"]),
@@ -466,10 +465,8 @@ class MarketMetadata:
         end_date = None
         end_date_str = data.get("end_date")
         if end_date_str:
-            try:
+            with contextlib.suppress(ValueError, AttributeError):
                 end_date = datetime.fromisoformat(end_date_str)
-            except (ValueError, AttributeError):
-                pass
 
         last_updated_str = data.get("last_updated")
         if last_updated_str: