前端进度条性能优化、仿真结束后后处理优化；后端C代码生成流程优化：先识别来源，再按照已知未知量需求排序，最后局部求解

app/simulation/native_codegen/compiler.py

@@ -12,6 +12,7 @@ from math import isfinite
 from app.simulation.core.metadata import ResultVariableMetadata
 from app.simulation.systems.network import SimulationNetwork
 from .contracts import SUPPORTED_TYPES, SUPPORTED_VERSIONS
+from .tolerances import state_absolute_tolerance
 
 
 class NativeCapabilityError(ValueError):
@@ -33,6 +34,7 @@ class NativeProgram:
     state_keys: tuple[str, ...]
     variables: tuple[ResultVariableMetadata, ...]
     component_types: tuple[str, ...]
+    evaluation_schedule: dict | None = None
 
     def manifest(self) -> dict:
         return {
@@ -41,6 +43,7 @@ class NativeProgram:
             "componentTypes": self.component_types,
             "componentVersions": {name: SUPPORTED_VERSIONS[name] for name in self.component_types},
             "jacobianPolicy": "CVODE default; no custom Jacobian",
+            "evaluationSchedule": self.evaluation_schedule or {"strategy": "storage-anchored", "cyclicBlockCount": 0},
         }
 
 
@@ -65,6 +68,7 @@ def _number(value):
 
 
 def compile_native_program(network: SimulationNetwork) -> NativeProgram:
+    network.validate_port_supplies()
     from .extended import catalog_contracts
     contracts = catalog_contracts()
     for component in network.components.values():
@@ -361,7 +365,7 @@ def _compile_storage_anchored_program(network: SimulationNetwork) -> NativeProgr
     source = '\n'.join([
         '#include "model.h"', '#include <math.h>', *declarations,
         f"const NativeStop model_stops[{max(1,len(stops))}] = {{{stop_c}}};",
-        f"const double model_atol[NSTATES] = {{{','.join('1e-12' if k.rsplit('.',1)[1] in ('v','x') else '1e-8' for k in state_keys)}}};",
+        f"const double model_atol[NSTATES] = {{{','.join(map(state_absolute_tolerance, state_keys))}}};",
         "const char *const model_output_keys[NOUTPUTS] = {" + ",".join(json.dumps(v.key, ensure_ascii=True) for v in variables) + "};",
         "int model_init(double *y) {", *init, "return 1; }",
         "int model_eval(double t, const double *y, double *dy, double *w) {", "(void)t;", *lines,