fix: resolve all ruff lint errors — zero warnings

src/chat_sdk/__init__.py

@@ -63,14 +63,6 @@
     resolve_emoji_from_slack,
 )
 from chat_sdk.errors import ChatError, ChatNotImplementedError, LockError, RateLimitError
-from chat_sdk.shared.errors import (
-    AdapterRateLimitError,
-    AuthenticationError,
-    NetworkError,
-    PermissionError as AdapterPermissionError,
-    ResourceNotFoundError,
-    ValidationError,
-)
 from chat_sdk.from_full_stream import from_full_stream
 from chat_sdk.logger import ConsoleLogger, Logger, LogLevel
 from chat_sdk.message_history import MessageHistoryCache, MessageHistoryConfig
@@ -95,6 +87,16 @@
     text_input,
 )
 from chat_sdk.shared.base_format_converter import BaseFormatConverter
+from chat_sdk.shared.errors import (
+    AdapterRateLimitError,
+    AuthenticationError,
+    NetworkError,
+    ResourceNotFoundError,
+    ValidationError,
+)
+from chat_sdk.shared.errors import (
+    PermissionError as AdapterPermissionError,
+)
 from chat_sdk.shared.streaming_markdown import StreamingMarkdownRenderer
 from chat_sdk.state.memory import MemoryStateAdapter
 from chat_sdk.thread import ThreadImpl

src/chat_sdk/adapters/discord/adapter.py

@@ -13,7 +13,7 @@
 import os
 import re
 from contextvars import ContextVar
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any
 from urllib.parse import quote
 
@@ -275,7 +275,9 @@ async def _verify_signature(
             verify_key.verify(message, bytes.fromhex(signature))
             return True
         except ImportError:
-            self._logger.error("PyNaCl is required for Discord signature verification. Install with: pip install PyNaCl")
+            self._logger.error(
+                "PyNaCl is required for Discord signature verification. Install with: pip install PyNaCl"
+            )
             return False
         except Exception as exc:
             self._logger.warn("Discord signature verification failed", {"error": str(exc)})
@@ -320,7 +322,9 @@ def _handle_component_interaction(
         channel_type = channel.get("type", 0)
         is_thread = channel_type in (CHANNEL_TYPE_PUBLIC_THREAD, CHANNEL_TYPE_PRIVATE_THREAD)
         parent_channel_id = (
-            channel.get("parent_id", interaction_channel_id) if is_thread and channel.get("parent_id") else interaction_channel_id
+            channel.get("parent_id", interaction_channel_id)
+            if is_thread and channel.get("parent_id")
+            else interaction_channel_id
         )
 
         thread_id = self.encode_thread_id(
@@ -391,7 +395,9 @@ def _handle_application_command_interaction(
         channel_type = channel.get("type", 0)
         is_thread = channel_type in (CHANNEL_TYPE_PUBLIC_THREAD, CHANNEL_TYPE_PRIVATE_THREAD)
         parent_channel_id = (
-            channel.get("parent_id", interaction_channel_id) if is_thread and channel.get("parent_id") else interaction_channel_id
+            channel.get("parent_id", interaction_channel_id)
+            if is_thread and channel.get("parent_id")
+            else interaction_channel_id
         )
 
         channel_id = self.encode_thread_id(
@@ -534,7 +540,9 @@ async def _handle_forwarded_message(
         mentions = data.get("mentions", [])
         is_user_mentioned = data.get("is_mention", False) or any(m.get("id") == self._application_id for m in mentions)
         mention_roles = data.get("mention_roles", [])
-        is_role_mentioned = bool(self._mention_role_ids) and any(role_id in self._mention_role_ids for role_id in mention_roles)
+        is_role_mentioned = bool(self._mention_role_ids) and any(
+            role_id in self._mention_role_ids for role_id in mention_roles
+        )
         is_mentioned = is_user_mentioned or is_role_mentioned
 
         # If mentioned and not in a thread, create one
@@ -578,7 +586,7 @@ async def _handle_forwarded_message(
             metadata=MessageMetadata(
                 date_sent=datetime.fromisoformat(data.get("timestamp", ""))
                 if data.get("timestamp")
-                else datetime.now(timezone.utc),
+                else datetime.now(UTC),
                 edited=False,
             ),
             attachments=[
@@ -1158,7 +1166,7 @@ def _parse_discord_message(self, raw: dict[str, Any], thread_id: str) -> Message
                 is_me=is_me,
             ),
             metadata=MessageMetadata(
-                date_sent=datetime.fromisoformat(msg["timestamp"]) if msg.get("timestamp") else datetime.now(timezone.utc),
+                date_sent=datetime.fromisoformat(msg["timestamp"]) if msg.get("timestamp") else datetime.now(UTC),
                 edited=msg.get("edited_timestamp") is not None,
                 edited_at=datetime.fromisoformat(msg["edited_timestamp"]) if msg.get("edited_timestamp") else None,
             ),
@@ -1203,7 +1211,7 @@ async def _create_discord_thread(
         message_id: str,
     ) -> dict[str, str]:
         """Create a Discord thread from a message."""
-        thread_name = f"Thread {datetime.now(timezone.utc).isoformat()}"
+        thread_name = f"Thread {datetime.now(UTC).isoformat()}"
 
         self._logger.debug(
             "Discord API: POST thread",

src/chat_sdk/adapters/github/adapter.py

@@ -15,7 +15,7 @@
 import re
 import time
 from collections.abc import AsyncIterable
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any
 
 from chat_sdk.adapters.github.cards import card_to_github_markdown
@@ -148,7 +148,8 @@ def __init__(self, config: GitHubAdapterConfig | None = None) -> None:
                     else:
                         self._app_credentials = {"app_id": app_id, "private_key": private_key}
                         self._logger.info(
-                            "GitHub adapter initialized in multi-tenant mode (installation ID will be extracted from webhooks)"
+                            "GitHub adapter initialized in multi-tenant mode "
+                            "(installation ID will be extracted from webhooks)"
                         )
                 else:
                     raise ValidationError(
@@ -366,7 +367,7 @@ def _parse_issue_comment(
             metadata=MessageMetadata(
                 date_sent=datetime.fromisoformat(created_at.replace("Z", "+00:00"))
                 if created_at
-                else datetime.now(tz=timezone.utc),
+                else datetime.now(tz=UTC),
                 edited=edited,
                 edited_at=datetime.fromisoformat(updated_at.replace("Z", "+00:00")) if edited and updated_at else None,
             ),
@@ -408,7 +409,7 @@ def _parse_review_comment(
             metadata=MessageMetadata(
                 date_sent=datetime.fromisoformat(created_at.replace("Z", "+00:00"))
                 if created_at
-                else datetime.now(tz=timezone.utc),
+                else datetime.now(tz=UTC),
                 edited=edited,
                 edited_at=datetime.fromisoformat(updated_at.replace("Z", "+00:00")) if edited and updated_at else None,
             ),
@@ -682,7 +683,10 @@ async def fetch_thread(self, thread_id: str) -> ThreadInfo:
     def encode_thread_id(self, platform_data: GitHubThreadId) -> str:
         """Encode platform data into a thread ID string."""
         if platform_data.review_comment_id:
-            return f"github:{platform_data.owner}/{platform_data.repo}:{platform_data.pr_number}:rc:{platform_data.review_comment_id}"
+            return (
+                f"github:{platform_data.owner}/{platform_data.repo}"
+                f":{platform_data.pr_number}:rc:{platform_data.review_comment_id}"
+            )
         return f"github:{platform_data.owner}/{platform_data.repo}:{platform_data.pr_number}"
 
     def decode_thread_id(self, thread_id: str) -> GitHubThreadId:
@@ -762,7 +766,7 @@ async def list_threads(
                 metadata=MessageMetadata(
                     date_sent=datetime.fromisoformat(pr.get("created_at", "").replace("Z", "+00:00"))
                     if pr.get("created_at")
-                    else datetime.now(tz=timezone.utc),
+                    else datetime.now(tz=UTC),
                     edited=pr.get("created_at") != pr.get("updated_at"),
                 ),
             )

src/chat_sdk/adapters/github/cards.py

@@ -152,7 +152,8 @@ def _render_text(text: dict[str, Any]) -> list[str]:
 def _render_fields(fields: dict[str, Any]) -> list[str]:
     """Render fields as key-value pairs."""
     return [
-        f"**{_escape_markdown(f.get('label', ''))}:** {_escape_markdown(f.get('value', ''))}" for f in fields.get("children", [])
+        f"**{_escape_markdown(f.get('label', ''))}:** {_escape_markdown(f.get('value', ''))}"
+        for f in fields.get("children", [])
     ]
 
 

src/chat_sdk/adapters/github/types.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Literal, TypedDict, Union
+from typing import Literal, TypedDict
 
 from chat_sdk.logger import Logger
 
@@ -81,12 +81,9 @@ class GitHubAdapterAutoConfig(GitHubAdapterBaseConfig, total=False):
 
 
 # Union of all configuration types
-GitHubAdapterConfig = Union[
-    GitHubAdapterPATConfig,
-    GitHubAdapterAppConfig,
-    GitHubAdapterMultiTenantAppConfig,
-    GitHubAdapterAutoConfig,
-]
+GitHubAdapterConfig = (
+    GitHubAdapterPATConfig | GitHubAdapterAppConfig | GitHubAdapterMultiTenantAppConfig | GitHubAdapterAutoConfig
+)
 
 # =============================================================================
 # Thread ID
@@ -290,7 +287,7 @@ class GitHubRawReviewComment(TypedDict):
     pr_number: int
 
 
-GitHubRawMessage = Union[GitHubRawIssueComment, GitHubRawReviewComment]
+GitHubRawMessage = GitHubRawIssueComment | GitHubRawReviewComment
 
 # =============================================================================
 # GitHub API Response Types

src/chat_sdk/adapters/google_chat/adapter.py

@@ -16,7 +16,7 @@
 import re
 import time
 from collections.abc import AsyncIterable, Awaitable, Callable
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any
 
 from chat_sdk.adapters.google_chat.cards import card_to_google_card
@@ -135,7 +135,9 @@ def __init__(self, config: GoogleChatAdapterConfig | None = None) -> None:
         self._pubsub_topic = config.pubsub_topic or os.environ.get("GOOGLE_CHAT_PUBSUB_TOPIC")
         self._impersonate_user = config.impersonate_user or os.environ.get("GOOGLE_CHAT_IMPERSONATE_USER")
         self._endpoint_url = config.endpoint_url
-        self._google_chat_project_number = config.google_chat_project_number or os.environ.get("GOOGLE_CHAT_PROJECT_NUMBER")
+        self._google_chat_project_number = config.google_chat_project_number or os.environ.get(
+            "GOOGLE_CHAT_PROJECT_NUMBER"
+        )
         self._pubsub_audience = config.pubsub_audience or os.environ.get("GOOGLE_CHAT_PUBSUB_AUDIENCE")
 
         # In-progress subscription creations to prevent duplicate requests
@@ -433,7 +435,9 @@ async def on_thread_subscribe(self, thread_id: str) -> None:
         )
 
         if not self._pubsub_topic:
-            self._logger.warn("No pubsubTopic configured, skipping space subscription. Set GOOGLE_CHAT_PUBSUB_TOPIC env var.")
+            self._logger.warn(
+                "No pubsubTopic configured, skipping space subscription. Set GOOGLE_CHAT_PUBSUB_TOPIC env var."
+            )
             return
 
         decoded = self.decode_thread_id(thread_id)
@@ -470,7 +474,9 @@ async def _ensure_space_subscription(self, space_name: str) -> None:
         # Check if we already have a valid subscription
         cached = await self._state.get(cache_key)
         if cached:
-            expire_time = cached.get("expire_time", 0) if isinstance(cached, dict) else getattr(cached, "expire_time", 0)
+            expire_time = (
+                cached.get("expire_time", 0) if isinstance(cached, dict) else getattr(cached, "expire_time", 0)
+            )
             time_until_expiry = expire_time - int(time.time() * 1000)
             if time_until_expiry > SUBSCRIPTION_REFRESH_BUFFER_MS:
                 self._logger.debug(
@@ -2270,7 +2276,7 @@ async def list_threads(
                         last_reply_at=last_reply_at,
                     )
                 )
-                count += 1
+                count += 1  # noqa: SIM113
 
             self._logger.debug(
                 "GChat API: listThreads result",
@@ -2677,9 +2683,9 @@ def _parse_message_metadata(message: dict[str, Any]) -> Any:
         try:
             date_sent = datetime.fromisoformat(create_time.replace("Z", "+00:00"))
         except (ValueError, AttributeError):
-            date_sent = datetime.now(tz=timezone.utc)
+            date_sent = datetime.now(tz=UTC)
     else:
-        date_sent = datetime.now(tz=timezone.utc)
+        date_sent = datetime.now(tz=UTC)
 
     return MessageMetadata(
         date_sent=date_sent,

src/chat_sdk/adapters/google_chat/cards.py

@@ -16,7 +16,8 @@
     card_child_to_fallback_text,
     table_element_to_ascii,
 )
-from chat_sdk.shared import card_to_fallback_text as shared_card_to_fallback_text, create_emoji_converter
+from chat_sdk.shared import card_to_fallback_text as shared_card_to_fallback_text
+from chat_sdk.shared import create_emoji_converter
 
 # Convert emoji placeholders in text to GChat format (Unicode).
 convert_emoji = create_emoji_converter("gchat")

src/chat_sdk/adapters/linear/adapter.py

@@ -15,7 +15,7 @@
 import os
 import re
 import time
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any
 
 from chat_sdk.adapters.linear.cards import card_to_linear_markdown
@@ -414,7 +414,7 @@ def _build_message(
             raw=LinearRawMessage(comment=comment),
             author=author,
             metadata=MessageMetadata(
-                date_sent=datetime.fromisoformat(created_at) if created_at else datetime.now(timezone.utc),
+                date_sent=datetime.fromisoformat(created_at) if created_at else datetime.now(UTC),
                 edited=created_at != updated_at,
                 edited_at=datetime.fromisoformat(updated_at) if (created_at != updated_at and updated_at) else None,
             ),
@@ -432,10 +432,7 @@ async def post_message(
 
         # Render message to markdown
         card = extract_card(message)
-        if card:
-            body = card_to_linear_markdown(card)
-        else:
-            body = self._format_converter.render_postable(message)
+        body = card_to_linear_markdown(card) if card else self._format_converter.render_postable(message)
 
         # Convert emoji placeholders to unicode
         body = convert_emoji_placeholders(body, "linear")
@@ -496,10 +493,7 @@ async def edit_message(
         decoded = self.decode_thread_id(thread_id)
 
         card = extract_card(message)
-        if card:
-            body = card_to_linear_markdown(card)
-        else:
-            body = self._format_converter.render_postable(message)
+        body = card_to_linear_markdown(card) if card else self._format_converter.render_postable(message)
 
         body = convert_emoji_placeholders(body, "linear")
 
@@ -754,7 +748,7 @@ def _comment_node_to_message(
                 is_me=user_id == self._bot_user_id,
             ),
             metadata=MessageMetadata(
-                date_sent=datetime.fromisoformat(node["createdAt"]) if node.get("createdAt") else datetime.now(timezone.utc),
+                date_sent=datetime.fromisoformat(node["createdAt"]) if node.get("createdAt") else datetime.now(UTC),
                 edited=node.get("createdAt") != node.get("updatedAt"),
                 edited_at=(
                     datetime.fromisoformat(node["updatedAt"])
@@ -854,7 +848,7 @@ def parse_message(self, raw: LinearRawMessage) -> Message:
             ),
             metadata=MessageMetadata(
                 date_sent=(
-                    datetime.fromisoformat(comment["created_at"]) if comment.get("created_at") else datetime.now(timezone.utc)
+                    datetime.fromisoformat(comment["created_at"]) if comment.get("created_at") else datetime.now(UTC)
                 ),
                 edited=comment.get("created_at") != comment.get("updated_at"),
                 edited_at=(

src/chat_sdk/adapters/linear/cards.py

@@ -123,7 +123,8 @@ def _render_text(text: TextElement) -> list[str]:
 def _render_fields(fields: FieldsElement) -> list[str]:
     """Render fields as key-value pairs."""
     return [
-        f"**{_escape_markdown(f.get('label', ''))}:** {_escape_markdown(f.get('value', ''))}" for f in fields.get("children", [])
+        f"**{_escape_markdown(f.get('label', ''))}:** {_escape_markdown(f.get('value', ''))}"
+        for f in fields.get("children", [])
     ]
 
 

src/chat_sdk/adapters/linear/types.py

@@ -66,7 +66,9 @@ class LinearAdapterAppConfig(LinearAdapterBaseConfig):
 
 
 # Union type for all config options
-LinearAdapterConfig = LinearAdapterBaseConfig | LinearAdapterAPIKeyConfig | LinearAdapterOAuthConfig | LinearAdapterAppConfig
+LinearAdapterConfig = (
+    LinearAdapterBaseConfig | LinearAdapterAPIKeyConfig | LinearAdapterOAuthConfig | LinearAdapterAppConfig
+)
 
 
 # =============================================================================