DP-55 add opt-in function-level code discovery

[StiensWout]

Summary

• Add discover code --include-functions as an opt-in function-level discovery mode.
• Report top-level function declarations, exported function-valued declarations, direct internal call edges, source line metadata, and diagnostics for dynamic calls.
• Generate function-level DiagramPilot source maps with discover code --include-functions --out <path> while preserving the default file-level map.
• Update core package size budgets for the new shipped function-discovery module.

Validation

• npm test
• npm run audit:fallow
• npm run audit:fallow:changed
• npm run check:release-version
• git diff --check

Linear: DP-55

[linear-code]

DP-55

[vercel]

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Project	Deployment	Actions	Updated (UTC)
diagram-pilot-website	Ready	Preview, Comment	Jun 16, 2026 7:17am