Phase2 dry-run: pending A, probe, build-config client, gated task/add

Still default dry-run; ALLOW_LIVE_SUBMIT=0. Live gates closed.

tests/test_config_params.py

@@ -0,0 +1,47 @@
+import json
+import re
+import unittest
+import os
+from unittest.mock import patch
+from pathlib import Path
+from src.config_params import build_config_params, config_params_source, GAP
+from src.build_config_client import BuildConfigError
+from scripts.dry_run import _render
+
+
+class TestConfigParams(unittest.TestCase):
+    def setUp(self):
+        env = patch.dict(os.environ, {}, clear=True)
+        env.start()
+        self.addCleanup(env.stop)
+
+    def test_source_selection_and_failure(self):
+        with patch("urllib.request.urlopen") as network:
+            self.assertEqual(config_params_source(), "sample")
+            build_config_params()
+            network.assert_not_called()
+        self.assertIn("discovered via capture", GAP)
+        with patch.dict(os.environ, {"CONFIG_PARAMS_SOURCE": "build-config"}):
+            with self.assertRaisesRegex(BuildConfigError, "missing/invalid credential"):
+                build_config_params("gpu")
+        with patch.dict(os.environ, {"ALLOW_BUILD_CONFIG": "1", "XC_TOKEN": "test-secret"}), patch("src.config_params.build_config", return_value="api: yaml") as client:
+            self.assertEqual(config_params_source(), "build-config")
+            self.assertEqual(build_config_params("gpu"), "api: yaml")
+            client.assert_called_once_with("gpu", "vllm", "text-generation")
+        with patch.dict(os.environ, {"CONFIG_PARAMS_SOURCE": "build-config"}), patch("src.config_params.build_config", side_effect=BuildConfigError("transport/timeout")):
+            with self.assertRaisesRegex(BuildConfigError, "transport/timeout"):
+                build_config_params("gpu")
+
+    def test_official_sample_exact(self):
+        scrape = Path('/workspace/modelhub-adapt/logs/api-docs-scrape-2026-10-16.md')
+        if scrape.is_file():
+            body = json.loads(re.search(r'```json\n(.*?)\n```', scrape.read_text(), re.S)[1])
+            self.assertEqual(build_config_params(), body['configParams'])
+        self.assertIn('max_model_len: 4096', build_config_params())
+        self.assertIn('framework: vllm', build_config_params())
+        self.assertIn('NOT production-ready', GAP)
+
+    def test_report_draft_and_gap(self):
+        report = _render([{'model_address': 'org/a', 'try_next_gpus': ['壁砺']}], 'test', 'fixture')
+        for value in ('代提候选 / 需 Victor 确认', 'configParams source', 'configParams_source=sample', 'GAP:', 'truncated', 'max_model_len: 4096', 'perf_order=unset', 'order_source=experience'):
+            self.assertIn(value, report)