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Fix Windows permission mode issue with newline characters in system p… #8

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Fix Windows permission mode issue with newline characters in system p… #8

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53c36ad
Fix Windows permission mode issue with newline characters in system p…
fuzi1996 Jan 29, 2026
5747350
Simplify Windows command normalization and add text block test
fuzi1996 Jan 30, 2026
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21 changes: 19 additions & 2 deletions ...dk/src/main/java/org/springaicommunity/claude/agent/sdk/transport/StreamingTransport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,11 @@ public class StreamingTransport implements AutoCloseable {
// State Machine Constants
// ============================================================

private static boolean isWindows;
static {
isWindows = System.getProperty("os.name").toLowerCase().contains("win");
}

/** Transport is created but not connected */
public static final int STATE_DISCONNECTED = 0;

Expand Down Expand Up @@ -418,7 +423,7 @@ List<String> buildStreamingCommand(CLIOptions options) {
// Note: --append-system-prompt adds to the default, --system-prompt replaces it
if (options.getSystemPrompt() != null) {
command.add("--system-prompt");
command.add(options.getSystemPrompt());
command.add(this.normalizeNewline(options.getSystemPrompt()));
}

// Handle --tools option (base set of tools) - added in Python SDK v0.1.10
Expand Down Expand Up @@ -539,7 +544,7 @@ List<String> buildStreamingCommand(CLIOptions options) {
// Add append system prompt (uses preset mode with append)
if (options.getAppendSystemPrompt() != null && !options.getAppendSystemPrompt().isEmpty()) {
command.add("--append-system-prompt");
command.add(options.getAppendSystemPrompt());
command.add(this.normalizeNewline(options.getAppendSystemPrompt()));
}

// ============================================================
Expand Down Expand Up @@ -608,6 +613,18 @@ List<String> buildStreamingCommand(CLIOptions options) {
return command;
}

private String normalizeNewline(String command) {
if (command == null || command.isEmpty()) {
return "";
}

if(isWindows){
return command.replaceAll("\r\n?", "\n").replaceAll("\n", " ");
}else{
return command;
}
}

/**
* Builds the MCP config map for CLI serialization. SDK servers have their instances
* stripped (not serializable); only type and name are passed.
Expand Down
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