fix: sse search/replace processing

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Invalid line separators exception on Windows
+
 ## [3.4.0-233] - 2025-06-02
 
 ### Added

src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/editor/diff/DiffEditorManager.kt

@@ -6,7 +6,6 @@ import com.intellij.diff.util.DiffUtil
 import com.intellij.diff.util.Side
 import com.intellij.openapi.application.runInEdt
 import com.intellij.openapi.diff.DiffBundle
-import com.intellij.openapi.editor.Document
 import com.intellij.openapi.editor.LogicalPosition
 import com.intellij.openapi.editor.ScrollType
 import com.intellij.openapi.project.Project
@@ -82,11 +81,4 @@ class DiffEditorManager(
             ScrollType.CENTER
         )
     }
-
-    private fun ensureDocumentWritable(project: Project, document: Document) {
-        if (!document.isWritable) {
-            DiffUtil.makeWritable(project, document)
-            document.setReadOnly(false)
-        }
-    }
 }

src/main/kotlin/ee/carlrobert/codegpt/toolwindow/chat/parser/SseMessageParser.kt

@@ -193,8 +193,6 @@ class SseMessageParser : MessageParser {
             }
 
             line.trim() == CODE_FENCE -> {
-                // Invalid search/replace block - missing REPLACE marker
-                // Mark done
                 segments.add(CodeEnd(""))
                 parserState = ParserState.Outside
                 true
@@ -212,25 +210,7 @@ class SseMessageParser : MessageParser {
                     )
                 )
                 parserState = ParserState.InReplace(state.header, state.searchContent, newReplace)
-
-                val nlIdx = buffer.indexOf(NEWLINE)
-                if (nlIdx < 0) return false
-
-                val line = buffer.substring(0, nlIdx)
-                if (line.trim().startsWith(REPLACE_MARKER)) {
-                    consumeFromBuffer(nlIdx + 1)
-                    segments.add(
-                        SearchReplace(
-                            state.searchContent,
-                            newReplace,
-                            state.header.language,
-                            state.header.filePath
-                        )
-                    )
-                    return true
-                }
-
-                false
+                true
             }
         }
     }