test(config-audit): add Opus 4.7 pattern fixtures (cache, redundant, imports, sonnet-era)

plugins/config-audit/tests/fixtures/opus-47/redundant-tools/.claude/settings.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://json.schemastore.org/claude-code-settings.json",
+  "permissions": {
+    "allow": [
+      "Read",
+      "Read(**)",
+      "Read(src/**)",
+      "Bash",
+      "Bash(*)",
+      "Bash(npm *)",
+      "Bash(npm run *)",
+      "Bash(npm test)"
+    ],
+    "deny": []
+  }
+}

plugins/config-audit/tests/fixtures/opus-47/redundant-tools/CLAUDE.md

@@ -0,0 +1,8 @@
+# Redundant Tool Declarations
+
+## Overview
+
+Fixture designed to trip the TOK scanner's redundant-permissions detector
+(CA-TOK-002). The `.claude/settings.json` contains overlapping tool
+patterns that inflate the tool-schema payload sent to Opus 4.7 on every
+turn without adding expressive power.