diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 8cf01a4..3904864 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
           pip install bandit pip-audit ruff --break-system-packages
 
       - name: Ruff lint
-        run: ruff check . || true
+        run: ruff check .
 
       - name: Bandit (advisory)
         run: bandit -r . -q || true
@@ -61,7 +61,7 @@ jobs:
         run: |
           if [ -d tests ] || ls test_*.py *_test.py 2>/dev/null; then
             pip install pytest --break-system-packages
-            pytest -q || true
+            pytest -q
           else
             echo "No tests found — skip"
           fi
diff --git a/scripts/auto-cherry-pick.py b/scripts/auto-cherry-pick.py
old mode 100644
new mode 100755
index f4b4128..1d011e2
--- a/scripts/auto-cherry-pick.py
+++ b/scripts/auto-cherry-pick.py
@@ -171,9 +171,7 @@ def text_is_factual(text: str) -> bool:
         return True
     if DATA_PHONE.search(text) or DATA_MONEY.search(text) or DATA_EMAIL.search(text):
         return True
-    if DATA_ADDRESS.search(text) and DATA_DATE.search(text):
-        return True
-    return False
+    return bool(DATA_ADDRESS.search(text) and DATA_DATE.search(text))
 
 
 def looks_conversational(text: str) -> bool:
@@ -184,9 +182,7 @@ def looks_conversational(text: str) -> bool:
     if text.count("?") >= 2 and len(text) < 500:
         return True
     # Short back-and-forth without hard facts.
-    if len(text) < 80 and not has_data_signals(text):
-        return True
-    return False
+    return len(text) < 80 and not has_data_signals(text)
 
 
 def is_name_list_message(text: str) -> bool:
@@ -295,9 +291,7 @@ def msg_selection(
             if latest_draft_files and fid in latest_draft_files:
                 files[fid] = True
             continue
-        if is_doc(f) or informative_filename(f.get("name") or ""):
-            files[fid] = True
-        elif is_image(f) and informative_image(f, text):
+        if is_doc(f) or informative_filename(f.get("name") or "") or is_image(f) and informative_image(f, text):
             files[fid] = True
     return {
         "action": "import",
diff --git a/scripts/build-test-fixture.py b/scripts/build-test-fixture.py
old mode 100644
new mode 100755
diff --git a/scripts/prepare-export.py b/scripts/prepare-export.py
old mode 100644
new mode 100755
diff --git a/server.py b/server.py
index 58b6984..e406f1f 100755
--- a/server.py
+++ b/server.py
@@ -9,8 +9,8 @@ import json
 import mimetypes
 import os
 import sys
-import zipfile
 import xml.etree.ElementTree as ET
+import zipfile
 from datetime import datetime, timezone
 from http import HTTPStatus
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
@@ -115,7 +115,7 @@ class ReviewHandler(BaseHTTPRequestHandler):
     export: SlackExport
     manifest_path: Path
 
-    def log_message(self, format: str, *args) -> None:  # noqa: A003
+    def log_message(self, format: str, *args) -> None:
         if os.environ.get("SLACK_IMPORT_QUIET") != "1":
             super().log_message(format, *args)
 
@@ -166,14 +166,14 @@ class ReviewHandler(BaseHTTPRequestHandler):
         except json.JSONDecodeError:
             return None
 
-    def do_OPTIONS(self) -> None:  # noqa: N802
+    def do_OPTIONS(self) -> None:
         self.send_response(HTTPStatus.NO_CONTENT)
         self.send_header("Access-Control-Allow-Origin", "*")
         self.send_header("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
         self.send_header("Access-Control-Allow-Headers", "Content-Type")
         self.end_headers()
 
-    def do_GET(self) -> None:  # noqa: N802
+    def do_GET(self) -> None:
         parsed = urlparse(self.path)
         path = parsed.path
         qs = parse_qs(parsed.query)
@@ -364,7 +364,7 @@ class ReviewHandler(BaseHTTPRequestHandler):
 
         self.send_error(HTTPStatus.NOT_FOUND)
 
-    def do_POST(self) -> None:  # noqa: N802
+    def do_POST(self) -> None:
         parsed = urlparse(self.path)
         if parsed.path != "/api/manifest":
             self.send_error(HTTPStatus.NOT_FOUND)
diff --git a/slack_export.py b/slack_export.py
index 7102477..347e5b8 100644
--- a/slack_export.py
+++ b/slack_export.py
@@ -9,7 +9,6 @@ from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any
 
-
 DEFAULT_EXPORT = Path.home() / "Downloads" / "slack-export"
 
 
diff --git a/tests/test_cherry_pick.py b/tests/test_cherry_pick.py
index e655e31..1b87366 100644
--- a/tests/test_cherry_pick.py
+++ b/tests/test_cherry_pick.py
@@ -60,7 +60,7 @@ def test_wilson_not_in_auto_channels(cherry_pick):
 
 
 def test_dry_run_pick_count(cherry_pick, export, empty_manifest, tmp_path, monkeypatch):
-    path, manifest = empty_manifest
+    _path, manifest = empty_manifest
     monkeypatch.setattr(cherry_pick, "MANIFEST_PATH", tmp_path / "manifest.json")
     monkeypatch.setattr(cherry_pick, "DEFAULT_EXPORT", export.paths.root)
 
diff --git a/tests/test_coverage_gaps.py b/tests/test_coverage_gaps.py
index 9667d4b..5721e6b 100644
--- a/tests/test_coverage_gaps.py
+++ b/tests/test_coverage_gaps.py
@@ -2,12 +2,11 @@
 
 from __future__ import annotations
 
-import io
 import json
 import urllib.error
 import urllib.request
-import zipfile
 from pathlib import Path
+
 import pytest
 
 
@@ -117,9 +116,10 @@ def test_manifest_post_skips_non_dict_user(api):
 
 
 def test_safe_export_path_rejects_dotdot():
+    from unittest.mock import Mock
+
     import server
     from slack_export import SlackExport
-    from unittest.mock import Mock
 
     root = Path(__file__).resolve().parents[1] / "tests/fixtures/mini-export"
     handler = Mock(spec=server.ReviewHandler)
diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index 530466e..f8a36cd 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -5,11 +5,16 @@ from __future__ import annotations
 import io
 import json
 import zipfile
-from pathlib import Path
 
 import pytest
 
-from slack_export import SlackExport, load_json, resolve_paths, slack_ts_to_iso, user_display
+from slack_export import (
+    SlackExport,
+    load_json,
+    resolve_paths,
+    slack_ts_to_iso,
+    user_display,
+)
 
 
 def test_slack_ts_to_iso():
diff --git a/tests/test_prepare_export.py b/tests/test_prepare_export.py
index 695814f..8b38ac6 100644
--- a/tests/test_prepare_export.py
+++ b/tests/test_prepare_export.py
@@ -3,8 +3,6 @@
 from __future__ import annotations
 
 import json
-import shutil
-import sys
 from pathlib import Path
 
 import pytest
diff --git a/tests/test_preset_skips.py b/tests/test_preset_skips.py
index c5d53a7..ea649d7 100644
--- a/tests/test_preset_skips.py
+++ b/tests/test_preset_skips.py
@@ -6,8 +6,6 @@ import importlib.util
 import json
 from pathlib import Path
 
-import pytest
-
 REPO = Path(__file__).resolve().parents[1]
 
 
diff --git a/tests/test_server.py b/tests/test_server.py
index 2ede8aa..ad29114 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -2,8 +2,6 @@
 
 from __future__ import annotations
 
-import json
-
 
 def test_health(api):
     data = api["get"]("/api/health")
diff --git a/tests/test_slack_export_extended.py b/tests/test_slack_export_extended.py
index bfabd87..be89be2 100644
--- a/tests/test_slack_export_extended.py
+++ b/tests/test_slack_export_extended.py
@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import json
-from pathlib import Path
 
 import pytest