feat: make DevGlobe reusable by AI agents

[sajeetharan]

Summary

This PR enables AI agents to dynamically discover, verify, and interact with the DevGlobe platform.

Key Implementations:

• /agents setup hub: Dedicated page mapping discovery options and agent endpoint guidelines.
• structuredContent / outputSchema and explainable results: Rich semantic output formats with fully structured agent schemas, coupled with clear reasoning on why a specific developer match occurred (whyMatched, match scores, evidence, etc.).
• annotations / categorized errors: Built-in machine-readable diagnostics, annotations, and structured error responses.
• Link-based discovery and metadata cross-links: Standardized Link header injection (server-card, agent-skills) for automatic registry traversal and routing.
• privacy-safe MCP telemetry: Structured, privacy-preserving tracking of agent searches and actions without revealing sensitive developer PII or keys.
• workflow docs: Comprehensive architectural guides, JSON-RPC usage, and MCP setup workflows under the docs-site.

Issue Coverage

Implements #197, #198, #199, #201, and #202

Note: Registries publication (#196) and OAuth token flows (#200) remain separate/external concerns.

Validation

• All 140 tests pass successfully.
• Production Next.js build passes successfully.
• Docs build (docs:build) passes.
• Responsive layouts checked (no overflow on desktop or mobile viewports).
• Clipboard interaction verified and interactive components work on the dev setup.
• Local MCP JSON-RPC profile call returns HTTP 200 containing both high-fidelity structured data and compatible legacy text content.
• Note: Broad search latency observations are treated as out-of-scope for this phase.

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Project	Deployment	Actions	Updated (UTC)
dev-globe-viz	Ready	Preview	Aug 18, 2026 5:41am

[github-actions]

🚀 Preview deployed: https://dev-globe-jtfl9kuyh-sajeetharans-projects.vercel.app