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/profiler/analyzer.py

@@ -91,7 +91,9 @@ class WalletAnalyzer:
             return WalletProfile(
                 address=data["address"],
                 nonce=data["nonce"],
-                first_seen=datetime.fromisoformat(data["first_seen"]) if data["first_seen"] else None,
+                first_seen=datetime.fromisoformat(data["first_seen"])
+                if data["first_seen"]
+                else None,
                 age_hours=data["age_hours"],
                 is_fresh=data["is_fresh"],
                 total_tx_count=data["total_tx_count"],

src/polymarket_insider_tracker/profiler/chain.py

@@ -503,9 +503,7 @@ class PolygonClient:
         balance_task = self.get_balance(address)
         first_tx_task = self.get_first_transaction(address)
 
-        nonce, balance, first_tx = await asyncio.gather(
-            nonce_task, balance_task, first_tx_task
-        )
+        nonce, balance, first_tx = await asyncio.gather(nonce_task, balance_task, first_tx_task)
 
         return WalletInfo(
             address=address.lower(),

src/polymarket_insider_tracker/profiler/entities.py

@@ -195,19 +195,16 @@ class EntityRegistry:
             True if the address is a known smart contract.
         """
         entity_type = self.classify(address)
-        contract_types = (
-            self.DEX_ENTITY_TYPES
-            | {
-                EntityType.TOKEN_USDC,
-                EntityType.TOKEN_USDT,
-                EntityType.TOKEN_WETH,
-                EntityType.TOKEN_WMATIC,
-                EntityType.DEFI_AAVE,
-                EntityType.DEFI_COMPOUND,
-                EntityType.DEFI_OTHER,
-                EntityType.CONTRACT,
-            }
-        )
+        contract_types = self.DEX_ENTITY_TYPES | {
+            EntityType.TOKEN_USDC,
+            EntityType.TOKEN_USDT,
+            EntityType.TOKEN_WETH,
+            EntityType.TOKEN_WMATIC,
+            EntityType.DEFI_AAVE,
+            EntityType.DEFI_COMPOUND,
+            EntityType.DEFI_OTHER,
+            EntityType.CONTRACT,
+        }
         return entity_type in contract_types
 
     def get_entity_category(self, address: str) -> str:

src/polymarket_insider_tracker/profiler/models.py

@@ -58,7 +58,10 @@ class WalletInfo:
         """Return wallet age in days based on first transaction."""
         if self.first_transaction is None:
             return None
-        delta = datetime.now(tz=self.first_transaction.timestamp.tzinfo) - self.first_transaction.timestamp
+        delta = (
+            datetime.now(tz=self.first_transaction.timestamp.tzinfo)
+            - self.first_transaction.timestamp
+        )
         return delta.total_seconds() / 86400