feat: agents docs

[andrerfneves]

Note

Low Risk
Low risk documentation-only changes, primarily new pages and navigation updates with no runtime or API behavior impact.

Overview
Introduces a new Agents docs area (overview, architecture, repo map, quickstart, skills/OpenClaw install, and package pages for agent-wallet, agent-fetch, agent-pay, plus supporting apps).

Adds a dedicated Pay Per Call (L402) guide set (setup, server/client integration, error reference) and updates docs.json navigation and README.md with a fast-path entrypoint to the new /agents pages.

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Hardcoded local filesystem path leaked in documentation
  • Replaced the hardcoded developer path '/Users/andreneves/Code/zbd/agents' with the generic instruction 'From the repository root:'.

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@cursor push aae7acbe7d

Preview (aae7acbe7d)

diff --git a/agents/l402-setup.mdx b/agents/l402-setup.mdx
--- a/agents/l402-setup.mdx
+++ b/agents/l402-setup.mdx
@@ -47,7 +47,7 @@
 
 ## 4) Run the End-to-End Local Demo
 
-From `/Users/andreneves/Code/zbd/agents`:
+From the repository root:
 
 ```bash
 npm --prefix agent-pay run build

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[cursor]

Hardcoded local filesystem path leaked in documentation

Medium Severity

The path /Users/andreneves/Code/zbd/agents is a developer's personal local filesystem path that was accidentally included in the public documentation. This exposes a personal username and machine layout, and is not useful to any reader following the guide.