chore: bump dev tooling and CLI deps

ruff 0.15.20, pytest 9.1.1, typer 0.26.8; align pre-commit ruff rev.
redis held at 7.4.0.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: snopoke

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ default_language_version:
   python: python3.12
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.12
+    rev: v0.15.20
     hooks:
       - id: ruff-check
         args: [ --fix ]