feat(ios): add image support to input

[hryhoriiK97]

What/Why?

Add image support to EnrichedMarkdownTextInput on iOS — storing image metadata, inserting ORC placeholders, rendering attachments, serializing to ![alt](url), and handling copy/paste round-trips.

• ENRMImageStore — Point-based metadata store with edit adjustment running in parallel with ENRMFormattingStore, plus duplicate-position guard
• ENRMEditAdjusting protocol — Shared contract for both stores
• ENRMParseResult consolidation — Extracted to own header; replaceTextInRange: now accepts ENRMParseResult directly
• pasteMarkdown fix — Was dropping parsed imageEntries, leaving orphan ORCs; now threads them through
• Serializer hardening — Validates entries against actual ORC positions before replacement
• Image regex — Handles balanced parentheses in URLs (e.g. Wikipedia)
• Paste refactor — Split extractImagesFromPasteboard: into focused static helpers
• Style props — markdownStyle.image.borderRadius and inlineImage.size wired through full prop pipeline, replacing hardcoded values

Testing

Screenshots

Nagranie.z.ekranu.2026-06-17.o.13.36.49.mov

PR Checklist

• Code compiles and runs on iOS
• Code compiles and runs on Android
• Updated documentation/README if applicable
• Ran example app to verify changes
• E2E tests are passing
• Required E2E tests have been added (if applicable)

[Copilot]

Pull request overview

This PR adds first-class image support to EnrichedMarkdownTextInput on iOS by tracking image metadata alongside formatting, rendering images via text attachments, supporting copy/paste round-trips, and exposing new JS APIs/events for inserting and handling pasted images.

Changes:

• Introduces an iOS ENRMImageStore (plus ENRMEditAdjusting) and extends parsing/serialization to round-trip images via ORC placeholders and ![alt](url) markdown.
• Adds a new native command (insertImage) and event (onPasteImages) surfaced through the TS component API and the example app.
• Wires new style props (markdownStyle.image.borderRadius, markdownStyle.inlineImage.size) through the style normalization + native prop pipeline and into the image attachment rendering.

Reviewed changes

Copilot reviewed 20 out of 20 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
packages/react-native-enriched-markdown/src/normalizeMarkdownTextInputStyle.ts	Adds normalized defaults/props for image border radius and inline image size.
packages/react-native-enriched-markdown/src/index.tsx	Re-exports new image-related public types.
packages/react-native-enriched-markdown/src/EnrichedMarkdownTextInputNativeComponent.ts	Adds codegen props/events/commands for paste images + insert image and new style fields.
packages/react-native-enriched-markdown/src/EnrichedMarkdownTextInput.tsx	Adds insertImage imperative API and onPasteImages callback.
packages/react-native-enriched-markdown/ios/utils/ENRMImageDownloader.m	Adds support for downloading/loading file:// image URLs.
packages/react-native-enriched-markdown/ios/input/ENRMParseResult.h	Extracts parse result into a shared header and adds imageEntries.
packages/react-native-enriched-markdown/ios/input/ENRMMarkdownSerializer.h / .mm	Adds image-aware serialization with validation against ORC positions.
packages/react-native-enriched-markdown/ios/input/ENRMInputTextView.mm	Intercepts pasted images and emits onPasteImages instead of pasting text.
packages/react-native-enriched-markdown/ios/input/ENRMInputParser.h / .mm	Extracts image markdown into ORCs and produces imageEntries.
packages/react-native-enriched-markdown/ios/input/ENRMImageStore.h / .mm	New point-based image metadata store with edit adjustment.
packages/react-native-enriched-markdown/ios/input/ENRMFormattingStore.h	Makes formatting store conform to shared edit-adjusting protocol.
packages/react-native-enriched-markdown/ios/input/ENRMEditAdjusting.h	New shared edit-adjustment protocol.
packages/react-native-enriched-markdown/ios/input/EnrichedMarkdownTextInput.h / .mm	Integrates image store, applies image attachments, emits paste images event, and adds insert image command.
packages/react-native-enriched-markdown/ios/attachments/ENRMImageAttachment.h / .m	Adds input-specific attachment construction (explicit sizing + border radius) and associates attachment with text view.
apps/example/src/screens/playground/PlaygroundScreen.tsx	Demonstrates inserting images and handling pasted images.

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