clippy pedantic clean + wired into flake checks

Cargo.toml

@@ -10,6 +10,14 @@ members = [
 edition = "2024"
 version = "0.1.0"
 
+[workspace.lints.clippy]
+pedantic = { level = "warn", priority = -1 }
+# Tolerated stylistic pedantic lints (noisy, not actionable).
+missing_errors_doc = "allow"
+missing_panics_doc = "allow"
+module_name_repetitions = "allow"
+must_use_candidate = "allow"
+
 [workspace.dependencies]
 anyhow = "1"
 clap = { version = "4", features = ["derive"] }