Add Global Allowlist for Safe IPs/Domains

[Copilot]

Users needed a way to prevent common safe values (localhost IPs, public DNS) from being redacted. This adds a configurable allowlist with sensible defaults and case-insensitive matching.

Changes

Allowlist Configuration (src/constants/allowlist.ts)

• Default safe values: 127.0.0.1, localhost, 0.0.0.0, ::1, private ranges (192.168.x.x, 10.0.0.1), public DNS (8.8.8.8, 1.1.1.1)
• O(1) Set-based lookups for performance

State Management

• AllowlistContext with localStorage persistence
• useAllowlist hook for component access

OCR Integration

• useOCR.ts and utils/ocr.ts filter matches against allowlist before redaction
• Works for both single image and batch processing

UI

• Settings button (gear icon) in Header
• Settings Modal to add/remove/reset allowlist values

// Filter logic applied to all match categories
const allowlistSet = createAllowlistSet(allowlist);
const filterAllowlisted = <T extends { text: string }>(matches: T[]): T[] =>
    matches.filter(m => !isAllowlisted(m.text, allowlistSet));

Screenshots

Settings Button

Settings Modal

Additional Fix

Changed imageRef to loadedImage state in useOCR to resolve pre-existing lint error (ref accessed during render).

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[Feat]: Global Allowlist (Safe IPs/Domains)</issue_title>
<issue_description>### Is your feature request related to a problem?
AutoRedact keeps redacting my localhost IPs (127.0.0.1) and public DNS (8.8.8.8) which are safe to share.

Describe the solution you'd like

Add a "Safe Values" list in Settings.

• Logic: If detected_text is in allow_list, skip redaction.
• Have an opinionated default like safe IPs (ex: 127.0.0.1, localhost, local IP range, etc), but user can add more.

Describe alternatives you've considered

Deleting the redaction box manually every time.

Additional context

Should support exact strings (case-insensitive).</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [Feat]: Global Allowlist (Safe IPs/Domains) #11

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Deploying autoredact with    Cloudflare Pages

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View logs

[karant-dev]

@copilot Sorry for rework but another PR acting on a similar settings modal was merged into main (separate feature), find a way to pull the latest changes and incorporate your work with it

[karant-dev]

Lot's changed, closing this PR and branch and will make a new one out of the same issue to start fresh.