Add local web analysis dashboard

2026-07-01 07:52:19 -07:00
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+# Local Web Interface
+
+## Problem
+
+The command line is useful for automation but makes the growing diagnostic set
+harder to explore. A visual dashboard lets users test analysis safely and understand
+which findings affect health.
+
+## Architecture
+
+`serato-doctor-web` binds to `127.0.0.1:8765` by default and serves package-owned
+HTML, CSS, and JavaScript with Python's standard library. A same-origin JSON endpoint
+runs the existing read-only parser, scanner, matcher, duplicate detector, crate
+classifier, and health engine. No web framework or external service is required.
+
+The UI clearly labels read-only mode, separates scored health from informational
+diagnostics, and adapts from a full sidebar layout to compact mobile navigation.
+
+## Edge Cases
+
+- Missing or invalid Serato and music directories.
+- Empty libraries with no assessable health score.
+- Large or malformed requests, capped at 64 KiB.
+- HTML injection, avoided by rendering all results through `textContent`.
+- Network exposure, avoided by a loopback-only default binding.
+
+## Verification
+
+Tests exercise the web analysis adapter and static package assets. Browser checks
+cover real form submission, result rendering, error display, and responsive layout.