Show implementation plan before generated code

- Display plan section after result table, before code
- Plan is shown for both new tasks and resume flows
- Helps users understand what was planned before seeing code

Dockerfile

@@ -1,5 +1,5 @@
 # HuggingFace Spaces Dockerfile for CodePilot
-# BUILD_VERSION: 17 (v3.4.0 clean-ui - clean progress display, copyable code, results table)
+# BUILD_VERSION: 18 (v3.4.1 show-plan - display implementation plan before code)
 FROM python:3.11-slim
 
 # Set working directory

chainlit_app.py

@@ -22,8 +22,8 @@ from concurrent.futures import ThreadPoolExecutor
 # ============================================================
 # STARTUP VERSION CHECK - Change this to detect if rebuild worked
 # ============================================================
-APP_VERSION = "3.4.0-clean-ui"
-BUILD_ID = "2024-12-20-v1"
+APP_VERSION = "3.4.1-show-plan"
+BUILD_ID = "2024-12-20-v2"
 print("=" * 60)
 print(f"[STARTUP] CodePilot Chainlit App")
 print(f"[STARTUP] APP_VERSION: {APP_VERSION}")
@@ -106,6 +106,7 @@ def parse_agent_status(logs: str) -> dict:
         'reviewer_done': False,
         'approved': None,
         'tools_called': [],
+        'plan_preview': None,
     }
 
     for line in logs.split('\n'):
@@ -224,6 +225,18 @@ def format_final_result(result: dict, total_cost: float) -> str:
     return "\n".join(lines)
 
 
+def format_plan_display(plan: str) -> str:
+    """Format the implementation plan for display."""
+    if not plan:
+        return ""
+
+    lines = ["## Implementation Plan\n"]
+    lines.append(plan)
+    lines.append("")
+
+    return "\n".join(lines)
+
+
 @cl.on_chat_start
 async def start():
     """Initialize the agent system when chat starts."""
@@ -372,7 +385,11 @@ async def main(message: cl.Message):
             # Show final result
             await cl.Message(content=format_final_result(result, total_cost)).send()
 
-            # Show code if any
+            # Show plan first
+            if result.get('plan'):
+                await cl.Message(content=format_plan_display(result['plan'])).send()
+
+            # Then show code
             if result.get('code_changes'):
                 await cl.Message(content="## Generated Code\n\n" + format_code_output(result['code_changes'])).send()
         return
@@ -467,14 +484,14 @@ AVAILABLE TOOLS:
     # Show final result
     await cl.Message(content=format_final_result(result, total_cost)).send()
 
-    # Show generated code
+    # Show plan first
+    if result.get('plan'):
+        await cl.Message(content=format_plan_display(result['plan'])).send()
+
+    # Then show generated code
     if result.get('code_changes'):
         await cl.Message(content="## Generated Code\n\n" + format_code_output(result['code_changes'])).send()
 
-    # Show plan if available
-    if result.get('plan') and not result.get('code_changes'):
-        await cl.Message(content=f"## Plan\n\n{result['plan']}").send()
-
 
 if __name__ == "__main__":
     sys.exit("Run with: chainlit run chainlit_app.py")