fix(android): link turns into plain text (#502)

# Summary
Fixes: #477 

## Test Plan

Run reproduction steps from #477, the issue should be resolved.

## Screenshots / Videos



https://github.com/user-attachments/assets/4a64749b-d732-45d2-93af-6bd3f2591aa3


## Compatibility

| OS      | Implemented |
| ------- | :---------: |
| iOS     |    ❌     |
| Android |    ✅     |

## Checklist

- [ ] E2E tests are passing
- [ ] Required E2E tests have been added (if applicable)

---------

Author: kacperzolkiewski

.maestro/flows/html_link_not_extended.yaml

@@ -0,0 +1,26 @@
+appId: swmansion.enriched.example
+---
+# Regression test: a link loaded from HTML must not be destroyed when the user types immediately after it.
+- launchApp
+
+- tapOn:
+    id: "toggle-screen-button"
+
+- runFlow:
+    file: "../subflows/set_editor_value.yaml"
+    env:
+      VALUE: "<a href=\"https://swmansion.com\">link</a>"
+
+- tapOn:
+    id: "editor-input"
+    point: "5%, 50%"
+- tapOn:
+    id: "editor-input"
+    point: "95%, 50%"
+
+- inputText: " extra"
+
+- runFlow:
+    file: "../subflows/capture_or_assert_screenshot.yaml"
+    env:
+      SCREENSHOT_NAME: "html_link_not_extended"

.maestro/flows/link_not_extended.yaml

@@ -1,8 +1,7 @@
 appId: swmansion.enriched.example
-tags:
-    - ios-only
 ---
 # PR #421 - fix(iOS): prevent extending link styles
+# PR #502 - fix(android): link turns into plain text
 - launchApp
 
 - tapOn:

.maestro/screenshots/android/html_link_not_extended.png

@@ -9,6 +9,7 @@ import com.swmansion.enriched.common.spans.interfaces.EnrichedInlineSpan
 open class EnrichedLinkSpan(
   private val url: String,
   private val enrichedStyle: EnrichedStyle,
+  private val isManual: Boolean,
 ) : ClickableSpan(),
   EnrichedInlineSpan {
   override fun onClick(view: View) {
@@ -23,4 +24,6 @@ open class EnrichedLinkSpan(
   }
 
   fun getUrl(): String = url
+
+  fun getIsManual(): Boolean = isManual
 }

.maestro/screenshots/android/link_not_extended.png

@@ -38,7 +38,7 @@ class EnrichedTextInputSpannableFactory : EnrichedSpanFactory<HtmlStyle> {
   override fun createLinkSpan(
     url: String,
     style: HtmlStyle,
-  ) = EnrichedInputLinkSpan(url, style)
+  ) = EnrichedInputLinkSpan(url, style, true)
 
   override fun createMentionSpan(
     text: String,

.maestro/screenshots/ios/html_link_not_extended.png

@@ -7,9 +7,10 @@ import com.swmansion.enriched.textinput.styles.HtmlStyle
 class EnrichedInputLinkSpan(
   private val url: String,
   htmlStyle: HtmlStyle,
-) : EnrichedLinkSpan(url, htmlStyle),
+  private val isManual: Boolean = false,
+) : EnrichedLinkSpan(url, htmlStyle, isManual),
   EnrichedInputSpan {
   override val dependsOnHtmlStyle: Boolean = true
 
-  override fun rebuildWithStyle(htmlStyle: HtmlStyle): EnrichedInputLinkSpan = EnrichedInputLinkSpan(url, htmlStyle)
+  override fun rebuildWithStyle(htmlStyle: HtmlStyle): EnrichedInputLinkSpan = EnrichedInputLinkSpan(url, htmlStyle, isManual)
 }

android/src/main/java/com/swmansion/enriched/common/spans/EnrichedLinkSpan.kt

@@ -61,7 +61,7 @@ class ParametrizedStyles(
     }
 
     val spanEnd = start + text.length
-    val span = EnrichedInputLinkSpan(url, view.htmlStyle)
+    val span = EnrichedInputLinkSpan(url, view.htmlStyle, true)
     val (safeStart, safeEnd) = spannable.getSafeSpanBoundaries(start, spanEnd)
     spannable.setSpan(span, safeStart, safeEnd, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
 
@@ -109,6 +109,7 @@ class ParametrizedStyles(
 
     val spans = spannable.getSpans(safeStart, safeEnd, EnrichedInputLinkSpan::class.java)
     for (span in spans) {
+      if (span.getIsManual()) continue
       spannable.removeSpan(span)
     }
 
@@ -132,9 +133,16 @@ class ParametrizedStyles(
         val spanStart = start + wordStart + linkStart
         val spanEnd = start + wordStart + linkEnd
 
-        val span = EnrichedInputLinkSpan(matcher.group(), view.htmlStyle)
         val (safeStart, safeEnd) = spannable.getSafeSpanBoundaries(spanStart, spanEnd)
 
+        // Do not overwrite a manual link span with an auto-detected one
+        val overlappingManual =
+          spannable
+            .getSpans(safeStart, safeEnd, EnrichedInputLinkSpan::class.java)
+            .any { it.getIsManual() }
+        if (overlappingManual) continue
+
+        val span = EnrichedInputLinkSpan(matcher.group(), view.htmlStyle)
         spannable.setSpan(
           span,
           safeStart,