update

base-action/action.yml

@@ -77,11 +77,6 @@ inputs:
       or the action will fail. All fields are returned in a single structured_output JSON string.
 
       Access outputs via: fromJSON(steps.<step-id>.outputs.structured_output).<field_name>
-
-      Limitations:
-      - All fields are returned in a single structured_output JSON string
-      - Field names can use any valid JSON property name (including hyphens, special characters, etc.)
-      - The entire structured_output string is limited to 1MB
     required: false
     default: ""
 

base-action/src/run-claude.ts

@@ -12,11 +12,6 @@ const PIPE_PATH = `${process.env.RUNNER_TEMP}/claude_prompt_pipe`;
 const EXECUTION_FILE = `${process.env.RUNNER_TEMP}/claude-execution-output.json`;
 const BASE_ARGS = ["--verbose", "--output-format", "stream-json"];
 
-type ExecutionMessage = {
-  type: string;
-  structured_output?: Record<string, unknown>;
-};
-
 /**
  * Sanitizes JSON output to remove sensitive information when full output is disabled
  * Returns a safe summary message or null if the message should be completely suppressed
@@ -137,9 +132,13 @@ export async function parseAndSetStructuredOutputs(
 ): Promise<void> {
   try {
     const content = await readFile(executionFile, "utf-8");
-    const messages = JSON.parse(content) as ExecutionMessage[];
+    const messages = JSON.parse(content) as {
+      type: string;
+      structured_output?: Record<string, unknown>;
+    }[];
 
-    const result = messages.find(
+    // Search backwards - result is typically last or second-to-last message
+    const result = messages.findLast(
       (m) => m.type === "result" && m.structured_output,
     );