fix: address phase 1 ai review

apps/ai/providers/openai_compatible.py

@@ -28,6 +28,35 @@ from .utils import (
 )
 
 
+SAFE_PARAMETER_KEYS = frozenset(
+    {
+        "temperature",
+        "top_p",
+        "topP",
+        "top_k",
+        "topK",
+        "max_tokens",
+        "max_output_tokens",
+        "maxOutputTokens",
+        "presence_penalty",
+        "presencePenalty",
+        "frequency_penalty",
+        "frequencyPenalty",
+        "seed",
+        "stop",
+    }
+)
+SAFE_GENERATION_CONFIG_KEYS = frozenset(
+    {
+        "temperature",
+        "topP",
+        "topK",
+        "maxOutputTokens",
+        "stopSequences",
+    }
+)
+
+
 class BaseHttpProvider:
     def __init__(self, session: requests.Session | None = None):
         self.session = session or requests.Session()
@@ -371,6 +400,20 @@ def apply_extra_body(
     model: ResolvedModel,
     parameters: Mapping[str, Any] | None = None,
 ) -> None:
-    payload.update(model.extra_body)
+    apply_safe_parameters(payload, model.extra_body)
     if parameters:
-        payload.update(dict(parameters))
+        apply_safe_parameters(payload, parameters)
+
+
+def apply_safe_parameters(payload: dict[str, Any], values: Mapping[str, Any]) -> None:
+    for key, value in values.items():
+        if key == "generationConfig" and isinstance(value, Mapping):
+            generation_config = payload.setdefault("generationConfig", {})
+            if not isinstance(generation_config, dict):
+                continue
+            for config_key, config_value in value.items():
+                if config_key in SAFE_GENERATION_CONFIG_KEYS:
+                    generation_config[config_key] = config_value
+            continue
+        if key in SAFE_PARAMETER_KEYS:
+            payload[key] = value

apps/ai/providers/utils.py

@@ -110,14 +110,15 @@ def decode_image_data_url(data_url: str) -> bytes:
 
 
 def resolution_to_size(resolution: str) -> str:
+    key = str(resolution).strip().upper()
     mapping = {
         "512": "512x512",
-        "512px": "512x512",
+        "512PX": "512x512",
         "1K": "1024x1024",
         "2K": "2048x2048",
         "4K": "4096x4096",
     }
-    return mapping.get(str(resolution), str(resolution))
+    return mapping.get(key, str(resolution).strip())
 
 
 def extract_image_from_response(