Update README agent count from 48 to 53

[PAMulligan]

The README currently lists "48 Custom Agents" in three places, but the actual count in .claude/agents/ on main is 53. The README's lower section (Documentation Index, around lines 264 and 271) already correctly says "All 53 agents", so the doc is internally inconsistent.

Locations to update

• Line 6: - **48 Custom Agents** -- Specialized AI agents... → - **53 Custom Agents** -- ...
• Line 87: │ ├── agents/ # 48 custom agents → # 53 custom agents
• Line 138: ## 48 Custom Agents → ## 53 Custom Agents

Also

The repo description ("Claude Code-integrated React App Development Framework with 48 agents, Figma-to-React pipeline, and full product lifecycle support. Named after Marcus Aurelius.") should be updated from "48 agents" to "53 agents" via repo Settings.

Verified count

$ ls .claude/agents/*.md | wc -l
53

(Confirmed via GitHub Contents API — 53 .md files.)

[PAMulligan]

Resolved.

• README: All three agent-count references (## What This Framework Provides, the directory-structure diagram, and the ## NN Custom Agents heading) already read 53 on main — corrected by docs: reconcile agent/skill counts (53/20) and add drift guard #90 and verified against the 53 .md files in .claude/agents/. The doc-count drift guard (scripts/check-doc-counts.sh) now enforces this in CI and pre-commit.
• Repo description: Updated from "48 agents" to "53 agents" via repo settings (was a separate setting not covered by docs: reconcile agent/skill counts (53/20) and add drift guard #90).