feat: add structured output support

.github/workflows/test-structured-output.yml

@@ -42,7 +42,7 @@ jobs:
               "required": ["text_field", "number_field", "boolean_true", "boolean_false"]
             }
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash"
+          claude_args: "--allowedTools Bash"
 
       - name: Verify outputs
         run: |
@@ -111,7 +111,7 @@ jobs:
               "required": ["items", "config", "empty_array"]
             }
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash"
+          claude_args: "--allowedTools Bash"
 
       - name: Verify JSON stringification
         run: |
@@ -172,7 +172,7 @@ jobs:
               "required": ["zero", "empty_string", "negative", "decimal"]
             }
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash"
+          claude_args: "--allowedTools Bash"
 
       - name: Verify edge cases
         run: |
@@ -233,7 +233,7 @@ jobs:
               "required": ["test-result", "item_count"]
             }
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash"
+          claude_args: "--allowedTools Bash"
 
       - name: Verify sanitized names work
         run: |
@@ -277,7 +277,7 @@ jobs:
               "required": ["done"]
             }
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash"
+          claude_args: "--allowedTools Bash"
 
       - name: Verify execution file contains structured_output
         run: |

action.yml

@@ -128,6 +128,9 @@ outputs:
   github_token:
     description: "The GitHub token used by the action (Claude App token if available)"
     value: ${{ steps.prepare.outputs.github_token }}
+  structured_output:
+    description: "JSON string containing all structured output fields when json_schema input is provided. Use fromJSON() to parse: fromJSON(steps.id.outputs.structured_output).field_name"
+    value: ${{ steps.claude-code.outputs.structured_output }}
 
 runs:
   using: "composite"

base-action/action.yml

@@ -24,10 +24,6 @@ inputs:
     description: "Additional arguments to pass directly to Claude CLI (e.g., '--max-turns 3 --mcp-config /path/to/config.json')"
     required: false
     default: ""
-  allowed_tools:
-    description: "Comma-separated list of allowed tools (e.g., 'Read,Write,Bash'). Passed as --allowedTools to Claude CLI"
-    required: false
-    default: ""
 
   # Authentication settings
   anthropic_api_key:
@@ -156,7 +152,6 @@ runs:
         INPUT_SHOW_FULL_OUTPUT: ${{ inputs.show_full_output }}
         INPUT_PLUGINS: ${{ inputs.plugins }}
         INPUT_PLUGIN_MARKETPLACES: ${{ inputs.plugin_marketplaces }}
-        INPUT_ALLOWED_TOOLS: ${{ inputs.allowed_tools }}
         JSON_SCHEMA: ${{ inputs.json_schema }}
 
         # Provider configuration