Fix OpenRouter model identifiers for LLM Council

Updated to valid model names that exist on OpenRouter:
- google/gemini-2.5-flash (was gemini-2.5-flash-preview-05-20)
- anthropic/claude-3.5-haiku (was claude-sonnet-4 - 402 error)
- x-ai/grok-3-mini (was grok-3-fast)

.gitignore

@@ -18,4 +18,5 @@ data/
 # Frontend
 frontend/node_modules/
 frontend/dist/
-frontend/.vite/
+frontend/.vite/.railway/
+.railway/

backend/capture.py

@@ -0,0 +1,72 @@
+"""JSON capture utilities for iOS development."""
+
+import json
+import os
+from datetime import datetime
+from typing import List, Dict, Any
+
+# Output directory for captured JSON
+CAPTURE_DIR = os.path.join(os.path.dirname(__file__), "..", "ios_json_samples")
+
+
+def _ensure_capture_dir():
+    """Ensure the capture directory exists."""
+    os.makedirs(CAPTURE_DIR, exist_ok=True)
+
+
+def _save_json(filename: str, data: Any):
+    """Save data as JSON file."""
+    _ensure_capture_dir()
+    filepath = os.path.join(CAPTURE_DIR, filename)
+    with open(filepath, "w") as f:
+        json.dump(data, f, indent=2, default=str)
+    print(f"[Capture] Saved: {filepath}")
+
+
+def capture_conversation_list(conversations: List[Dict[str, Any]]):
+    """Capture conversation list response."""
+    _save_json("conversation_list.json", conversations)
+
+
+def capture_conversation(conversation: Dict[str, Any]):
+    """Capture single conversation response."""
+    _save_json(f"conversation_{conversation.get('id', 'unknown')[:8]}.json", conversation)
+
+
+def capture_full_response(stage1: List[Dict], stage2: List[Dict], stage3: Dict, metadata: Dict):
+    """Capture full council response."""
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    _save_json(f"full_response_{timestamp}.json", {
+        "stage1": stage1,
+        "stage2": stage2,
+        "stage3": stage3,
+        "metadata": metadata
+    })
+
+
+def capture_sse_events(events: List[Dict[str, Any]]):
+    """Capture SSE stream events."""
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    _save_json(f"sse_events_{timestamp}.json", events)
+
+
+def capture_stage1(results: List[Dict[str, Any]]):
+    """Capture Stage 1 results."""
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    _save_json(f"stage1_{timestamp}.json", results)
+
+
+def capture_stage2(rankings: List[Dict], label_to_model: Dict, aggregate_rankings: List[Dict]):
+    """Capture Stage 2 results."""
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    _save_json(f"stage2_{timestamp}.json", {
+        "rankings": rankings,
+        "label_to_model": label_to_model,
+        "aggregate_rankings": aggregate_rankings
+    })
+
+
+def capture_stage3(result: Dict[str, Any]):
+    """Capture Stage 3 result."""
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    _save_json(f"stage3_{timestamp}.json", result)

backend/config.py

@@ -11,13 +11,13 @@ OPENROUTER_API_KEY = os.getenv("OPENROUTER_API_KEY")
 # Council members - list of OpenRouter model identifiers
 COUNCIL_MODELS = [
     "openai/gpt-4o",
-    "google/gemini-3-pro-preview",
-    "anthropic/claude-sonnet-4.5",
-    "x-ai/grok-4.1-fast",
+    "google/gemini-2.5-flash",
+    "anthropic/claude-3.5-haiku",
+    "x-ai/grok-3-mini",
 ]
 
 # Chairman model - synthesizes final response
-CHAIRMAN_MODEL = "google/gemini-3-pro-preview"
+CHAIRMAN_MODEL = "google/gemini-2.5-flash"
 
 # OpenRouter API endpoint
 OPENROUTER_API_URL = "https://openrouter.ai/api/v1/chat/completions"