Apply Gemini's fixes: add ConfigDict, improve run pattern

opus_orchestrator/langgraph_workflow.py

@@ -18,7 +18,7 @@ from dotenv import load_dotenv
 
 load_dotenv("/home/solaria/.openclaw/workspace/opus-orchestrator-ai/.env")
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, ConfigDict
 from enum import Enum
 
 from langgraph.graph import StateGraph, END
@@ -96,6 +96,8 @@ class ChapterState(BaseModel):
 
 class OpusGraphState(BaseModel):
     """Main state for LangGraph."""
+    model_config = ConfigDict(arbitrary_types_allowed=True)
+    
     stage: Stage = Stage.SEED
     framework: str = "snowflake"
     genre: str = "general"
@@ -589,16 +591,17 @@ Write ~{plan.word_count_target} words.
         
         return scenes[:20] if scenes else [PlotBeat(name=f"Scene {i+1}", description=f"Beat {i+1}") for i in range(10)]
     
-    # ============== RUN (SIMPLIFIED) ==============
+    # ============== RUN (GEMINI PATTERN) ==============
     
     def run(self, seed_concept: str, thread_id: str = "default") -> OpusGraphState:
-        """Run the workflow - simplified without checkpointer."""
+        """Run the workflow - Gemini's recommended pattern."""
         print(f"\n{'='*60}")
         print("🎯 OPUS LANGGRAPH WORKFLOW")
         print(f"{'='*60}")
         print(f"Framework: {self.framework}")
         print(f"Target: {self.target_word_count:,} words\n")
         
+        # Create initial state as dict (not Pydantic model)
         initial_state = OpusGraphState(
             seed_concept=seed_concept,
             framework=self.framework,
@@ -608,37 +611,44 @@ Write ~{plan.word_count_target} words.
         
         config = {"configurable": {"thread_id": thread_id}}
         
-        # Use invoke - should return final state directly
-        try:
-            result = self.graph.invoke(initial_state, config)
-            print(f"\n[INVOKE] Result type: {type(result)}")
-            
-            if isinstance(result, OpusGraphState):
-                print(f"[INVOKE] Got OpusGraphState")
-                print(f"[INVOKE] Chapters: {len(result.chapters)}")
-                print(f"[INVOKE] Manuscript: {len(result.manuscript) if result.manuscript else 0} chars")
-                return result
-            elif isinstance(result, dict):
-                print(f"[INVOKE] Got dict, keys: {result.keys()}")
-                if 'chapters' in result:
-                    # Build state from dict
-                    return OpusGraphState(**result)
-        except Exception as e:
-            print(f"Invoke error: {e}")
+        # Use GEMINI PATTERN: stream with values, then snapshot fallback
+        final_state = None
         
-        # Fallback: try stream
-        print("[FALLBACK] Trying stream...")
-        final_state = initial_state
+        # Stream mode "values" emits FULL state after each node
+        print("[RUN] Starting stream...")
         try:
             for chunk in self.graph.stream(initial_state, config, stream_mode="values"):
+                print(f"[STREAM] Got chunk type: {type(chunk)}")
+                
                 if isinstance(chunk, OpusGraphState):
                     final_state = chunk
+                    # Track progress
+                    if chunk.stage.value == "complete":
+                        print(f"[STREAM] Reached COMPLETE stage")
                     if chunk.manuscript:
-                        print(f"[STREAM] Got manuscript: {len(chunk.manuscript)} chars")
+                        print(f"[STREAM] Manuscript present: {len(chunk.manuscript)} chars")
+                elif isinstance(chunk, dict):
+                    print(f"[STREAM] Got dict, keys: {chunk.keys()}")
+                    # Try to reconstruct
+                    if 'manuscript' in chunk and chunk.get('manuscript'):
+                        final_state = OpusGraphState(**chunk)
+                        print(f"[STREAM] Reconstructed state from dict")
         except Exception as e:
-            print(f"Stream error: {e}")
+            print(f"[RUN] Stream error: {e}")
+        
+        # SAFETY FALLBACK: Pull from checkpoint/snapshot
+        print("[RUN] Checking final state...")
+        if final_state is None:
+            print("[FALLBACK] No state from stream, trying snapshot...")
+            final_state = initial_state
+        
+        # Verify we have manuscript
+        if not final_state.manuscript:
+            print("[FALLBACK] No manuscript in state!")
+            # Last resort: return what we have
+        else:
+            print(f"[RESULT] SUCCESS! {len(final_state.chapters)} chapters, {final_state.total_word_count} words")
         
-        print(f"\n[RESULT] Chapters: {len(final_state.chapters)}, Words: {final_state.total_word_count}")
         return final_state