docs(AGENTS): update line counts and stats across all AGENTS.md files

- Update main AGENTS.md with current file sizes
- Update complexity hotspot line counts
- Update agent count from 11 to 32 files
- Update CLI utility count to 70
- Update test file count from 100+ to 163

🤖 Generated with assistance of OhMyOpenCode

src/shared/AGENTS.md

@@ -2,7 +2,7 @@
 
 ## OVERVIEW
 
-66 cross-cutting utilities. Import via barrel pattern: `import { log, deepMerge } from "../../shared"`
+88 cross-cutting utilities. Import via barrel pattern: `import { log, deepMerge } from "../../shared"`
 
 **Categories**: Path resolution, Token truncation, Config parsing, Model resolution, System directives, Tool restrictions