# Implementation

> Code-level structure, Hugo/Docsy templates, SCSS/JS customizations, patches, and internal shims

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LLMS index: [llms.txt](/llms.txt)

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## Subsystems

- [Script loading](/project/implementation/script-loading/): the plugin loop's
  shim contract, shape guards, build pipeline, and the security rules Docsy's
  own plugins follow

## Patches and workarounds

- [ScrollSpy patch for Bootstrap](/project/implementation/scrollspy-patch/):
  runtime patch to fix Bootstrap ScrollSpy handling of invalid CSS selector IDs

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Section pages:

- [Script loading](/fr/project/implementation/script-loading/): The plugin loop's shim contract, shape guards, build pipeline, and the security rules Docsy's own plugins follow
- [ScrollSpy patch](/fr/project/implementation/scrollspy-patch/): Runtime patch for Bootstrap ScrollSpy to handle invalid CSS selector IDs.