Add per-job run logs and separate vision/text model selection.

Capture pipeline stdout into job.log + API/UI so failed runs can be reviewed, and let users pick OpenRouter vision vs text models independently.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/llm.py

@@ -23,6 +23,9 @@ _clients: Dict[str, OpenAI] = {}
 # call_json when routing a no-image (text) call. Module-global mirrors the
 # set_stage/cost pattern (single-user tool).
 _text_local = False
+# Optional per-run model overrides from the UI (empty = use config defaults).
+_vision_model_override: Optional[str] = None
+_text_model_override: Optional[str] = None
 
 
 def set_text_backend(local: bool) -> None:
@@ -30,6 +33,13 @@ def set_text_backend(local: bool) -> None:
     global _text_local
     _text_local = bool(local)
 
+
+def set_model_overrides(vision: Optional[str] = None, text: Optional[str] = None) -> None:
+    """Per-run OpenRouter model picks. None/blank clears back to config defaults."""
+    global _vision_model_override, _text_model_override
+    _vision_model_override = (vision or "").strip() or None
+    _text_model_override = (text or "").strip() or None
+
 # --- per-job cost accounting -------------------------------------------------
 # OpenRouter returns the real USD cost of each call when we request usage
 # accounting. We accumulate it in a module-level counter; the runner resets it
@@ -167,12 +177,16 @@ def _resolve_backend(has_images: bool, model_override: Optional[str]) -> Dict[st
         return {
             "base_url": config.LOCAL_BASE_URL,
             "api_key": config.LOCAL_API_KEY,
-            "model": model_override or config.LOCAL_TEXT_MODEL or config.TEXT_MODEL,
+            "model": (model_override or _text_model_override
+                      or config.LOCAL_TEXT_MODEL or config.TEXT_MODEL),
             "usage": False,          # local has no OpenRouter usage accounting
             "local": True,
         }
     # Vision, or text-on-OpenRouter (default / fallback).
-    default_model = config.MODEL if has_images else config.TEXT_MODEL
+    if has_images:
+        default_model = _vision_model_override or config.MODEL
+    else:
+        default_model = _text_model_override or config.TEXT_MODEL
     return {
         "base_url": config.AI_BASE_URL,
         "api_key": config.AI_API_KEY,
@@ -340,7 +354,8 @@ def call_json(
                     _models["text_local"].add(be["model"])
                     _models["fallback_count"] += 1
                 be = {"base_url": config.AI_BASE_URL, "api_key": config.AI_API_KEY,
-                      "model": config.TEXT_MODEL, "usage": True, "local": False}
+                      "model": _text_model_override or config.TEXT_MODEL,
+                      "usage": True, "local": False}
                 cache_key = None       # don't cache fallback under the local-model key
                 fell_back = True
                 continue