fix(ui): widget key 按项目隔离，避免滚动卡死/加载串项目；fix(img): 最小180s+失败码重试3次

modules/image_gen.py

@@ -28,11 +28,12 @@ def _env_int(name: str, default: int) -> int:
 
 
 # Tunables: slow channels can be hot; default conservative but adjustable.
-IMG_SUBMIT_TIMEOUT_S = _env_int("IMG_SUBMIT_TIMEOUT_S", 180)
-IMG_POLL_TIMEOUT_S = _env_int("IMG_POLL_TIMEOUT_S", 30)
-IMG_MAX_RETRIES = _env_int("IMG_MAX_RETRIES", 3)
-IMG_POLL_INTERVAL_S = _env_int("IMG_POLL_INTERVAL_S", 2)
-IMG_POLL_MAX_RETRIES = _env_int("IMG_POLL_MAX_RETRIES", 90)  # 90*2s ~= 180s
+# IMPORTANT: we enforce minimums to avoid accidental misconfig (e.g. 120s) causing flaky UX.
+IMG_SUBMIT_TIMEOUT_S = max(_env_int("IMG_SUBMIT_TIMEOUT_S", 180), 180)
+IMG_POLL_TIMEOUT_S = max(_env_int("IMG_POLL_TIMEOUT_S", 30), 10)
+IMG_MAX_RETRIES = max(_env_int("IMG_MAX_RETRIES", 3), 3)
+IMG_POLL_INTERVAL_S = max(_env_int("IMG_POLL_INTERVAL_S", 2), 1)
+IMG_POLL_MAX_RETRIES = max(_env_int("IMG_POLL_MAX_RETRIES", 90), 90)  # 90*2s ~= 180s
 
 
 def _is_retryable_exception(e: Exception) -> bool:
@@ -43,6 +44,22 @@ def _is_retryable_exception(e: Exception) -> bool:
     # Transient provider errors often contain these keywords
     if any(k in msg for k in ["timeout", "temporarily", "temporarily unavailable", "gateway", "rate", "try again"]):
         return True
+    # Treat common HTTP transient status codes as retryable when they bubble up as RuntimeError text
+    # Examples from our code: "Shubiaobiao 提交失败 (429): ..." / "Doubao Image Failed (502): ..."
+    try:
+        import re
+        m = re.search(r"\((\d{3})\)", msg)
+        if not m:
+            # sometimes formatted like "429:" without parentheses
+            m = re.search(r"\b(\d{3})\b", msg)
+        if m:
+            code = int(m.group(1))
+            if code in (408, 409, 425, 429, 500, 502, 503, 504):
+                return True
+            if 500 <= code <= 599:
+                return True
+    except Exception:
+        pass
     return False