整合求解器活动监控与步长回归证据

同步远端 PNL0003 诊断和大采样网格能力，语义合并活动感知的 60 秒真停滞判定与旧后端 15 分钟兼容兜底。

纳管热路径优化、15 单元运行证据、浏览器与 API 报告，并补充北京时间更新日志和遗留问题。

app/simulation/solvers/causal_ir.py

@@ -378,13 +378,7 @@ class CausalNumericIR:
                         workspace.effort_written[output] = True
                 except MemoryError:
                     raise
-                except (
-                    ArithmeticError,
-                    IndexError,
-                    RuntimeError,
-                    TypeError,
-                    ValueError,
-                ) as exc:
+                except Exception as exc:
                     return failed(f"effortEvaluationFailed:{type(exc).__name__}")
             if any(not bool(workspace.effort_written[index]) for index in range(width)):
                 return failed("effortEvaluationCoverageMismatch")
@@ -530,6 +524,7 @@ def _unique_slots(items: Iterable[int]) -> tuple[int, ...]:
 def _compile_effort_evaluations(
     operations: tuple[CausalIREffortOperation, ...],
     anchor_evaluators: tuple[Callable[[], float], ...],
+    direct_residuals: tuple[bool, ...],
     component_locations: dict[
         str, tuple[object, Callable[[], tuple[float, ...]], int]
     ],
@@ -538,10 +533,14 @@ def _compile_effort_evaluations(
     grouped: dict[int, list[tuple[int, int, str]]] = {}
     component_callbacks: dict[int, Callable[[], tuple[float, ...]]] = {}
     direct: list[tuple[int, Callable[[], float], str]] = []
-    for output, (operation, anchor_evaluate) in enumerate(
-        zip(operations, anchor_evaluators)
+    for output, (operation, anchor_evaluate, direct_residual) in enumerate(
+        zip(operations, anchor_evaluators, direct_residuals)
     ):
-        location = component_locations.get(operation.equation_id)
+        location = (
+            None
+            if direct_residual
+            else component_locations.get(operation.equation_id)
+        )
         if location is None:
             direct.append((output, anchor_evaluate, operation.equation_id))
             continue
@@ -638,6 +637,7 @@ def compile_causal_numeric_ir(solver: object) -> CausalIRCompilation:
         for variable in ("p", "x", "v"):
             operations: list[CausalIREffortOperation] = []
             anchors: list[Callable[[], float]] = []
+            direct_residuals: list[bool] = []
             for assignment in effort_plan[variable]:
                 result = len(canonical_slots)
                 equation_id = str(assignment.anchor.equation_id)
@@ -665,7 +665,17 @@ def compile_causal_numeric_ir(solver: object) -> CausalIRCompilation:
                         equation_id,
                     )
                 )
-                anchors.append(assignment.anchor.evaluate)
+                causal_evaluate = getattr(
+                    assignment.anchor,
+                    "causal_evaluate",
+                    None,
+                )
+                anchors.append(
+                    causal_evaluate
+                    if causal_evaluate is not None
+                    else assignment.anchor.evaluate
+                )
+                direct_residuals.append(causal_evaluate is not None)
             operation_tuple = tuple(operations)
             effort_stages.append(
                 CausalIREffortStage(
@@ -674,6 +684,7 @@ def compile_causal_numeric_ir(solver: object) -> CausalIRCompilation:
                     _compile_effort_evaluations(
                         operation_tuple,
                         tuple(anchors),
+                        tuple(direct_residuals),
                         component_locations,
                         evaluators,
                     ),