release: v5.11.0 — "Precision polish" (B7+B8)

Version-sync: plugin.json 5.10.0→5.11.0; README version badge + tests badge
1257+→1279+ + new version-history row; CLAUDE.md test counts 1257/71→1279/72
(22→23 lib test files); CHANGELOG [5.11.0]; README SKL row documents CA-SKL-003
+ the --context-window flag.

B7 (CA-SKL-003) and B8 (--context-window calibration) shipped as feat commits
2798880 + 2082b7d. Scanner/agent/command counts unchanged (16/7/21); --json/--raw
byte-stable; frozen v5.0.0 + SC-5 snapshots untouched. Suite 1279 green.
self-audit --check-readme: PASS (badges == filesystem).

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

.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "config-audit",
   "description": "Multi-agent workflow for analyzing, reporting, and optimizing Claude Code configuration across your entire machine",
-  "version": "5.10.0",
+  "version": "5.11.0",
   "author": {
     "name": "Kjell Tore Guttormsen"
   },