feat: tolerate recoverable seat intent inputs

tests/fixtures/seat_frontend_hil_suite.json

@@ -14,8 +14,8 @@
   "coverage_dimensions": {
     "targets": ["副驾", "副驾驶", "副驾位", "右前座", "乘客座", "省略座位", "后排/左前/全部座椅安全拒绝"],
     "verbs": ["打开", "开启", "启动", "调到", "设置为", "进入", "切换到", "执行", "关闭", "停止", "归零", "复位"],
-    "values": ["阿拉伯数字", "中文数字", "全角百分号", "百分之表达", "高/中/低档", "正常秒数/半秒/毫秒", "时长上下限钳制", "绝对角度", "相对角度", "相对百分比", "逐轴机械端点", "超量程备用端点", "小数/负数安全拒绝"],
-    "functions": ["加热/取暖", "通风/吹风", "水平", "坐盆", "靠背", "腿托", "四轴组合", "相对移动", "按时长移动", "预设模式", "GPT模糊舒适意图"],
+    "values": ["阿拉伯数字", "中文数字", "全角百分号", "百分之表达", "高/中/低档", "正常秒数/半秒/毫秒", "时长上下限钳制", "零时长最小动作", "绝对角度", "相对角度", "相对百分比", "逐轴机械端点", "超量程备用端点", "小数取整/负数端点容错"],
+    "functions": ["加热/取暖", "通风/吹风", "水平", "坐盆", "靠背", "腿托", "四轴组合", "相对移动", "按时长移动", "预设模式", "GPT模糊舒适意图", "GPT未知模式姿态合成"],
     "safety": ["主驾", "前排范围", "越界容错", "缺少状态", "缺少当前位置", "矛盾指令", "未知能力", "多模式冲突", "非端点堵转不容错"]
   },
   "cases": [
@@ -315,7 +315,10 @@
 
     {"id": "MOTION-M1-ABS-OVERFLOW", "group": "motion", "utterance": "坐垫位置调到150%", "expected": {"cushion_tilt": 100}, "expected_notice_contains": ["备用目标", "机械末端"]},
     {"id": "MOTION-M2-ABS-ANGLE-UNDERFLOW", "group": "motion", "utterance": "副驾靠背调到80度", "expected": {"backrest_recline": 0}, "expected_notice_contains": ["备用目标", "95度", "最前方"]},
-    {"id": "MOTION-M3-ABS-ANGLE-OVERFLOW", "group": "motion", "utterance": "腿托调到200度", "expected": {"legrest_height": 100}, "expected_notice_contains": ["备用目标", "167度", "最上方"]}
+    {"id": "MOTION-M3-ABS-ANGLE-OVERFLOW", "group": "motion", "utterance": "腿托调到200度", "expected": {"legrest_height": 100}, "expected_notice_contains": ["备用目标", "167度", "最上方"]},
+    {"id": "MOTION-M0-ABS-DECIMAL-ROUND", "group": "motion", "utterance": "副驾座椅水平位置调到50.5%", "expected": {"longitudinal": 51}, "expected_notice_contains": ["取整为51%"]},
+    {"id": "MOTION-M0-ABS-NEGATIVE-CLAMP", "group": "motion", "utterance": "副驾座椅水平位置调到-10%", "expected": {"longitudinal": 0}, "expected_notice_contains": ["备用目标", "0%", "机械末端"]},
+    {"id": "MOTION-M2-TIMED-ZERO-MIN-CLAMP", "group": "motion", "utterance": "副驾靠背向后移动0秒", "expected": {}, "expected_motion": {"axis": "backrest_recline", "mode": "timed", "direction": "increase", "requested_duration_ms": 0, "applied_duration_ms": 300, "max_duration_ms": 30000, "min_duration_ms": 300, "duration_clamped": true}, "expected_notice_contains": ["最小允许时长为0.3秒", "已按0.3秒"]}
   ],
   "mode_cases": [
     {"mode_id": "easy_entry_exit", "expected": {"longitudinal": 100, "cushion_tilt": 0, "backrest_recline": 0, "legrest_height": 0}, "variants": [
@@ -385,6 +388,20 @@
       "provider": "openai",
       "expected_provider_prefix": "openai:gpt-5.6-sol",
       "expected": {"longitudinal": 80, "cushion_tilt": 30, "backrest_recline": 35, "legrest_height": 10}
+    },
+    {
+      "id": "MODEL-FUZZY-COMFORT-ONLY",
+      "utterance": "把座椅调舒服一点",
+      "provider": "openai",
+      "expected_provider_prefix": "openai:gpt-5.6-sol",
+      "expected": {"longitudinal": 80, "cushion_tilt": 30, "backrest_recline": 35, "legrest_height": 10}
+    },
+    {
+      "id": "MODEL-UNKNOWN-BOSS-MODE",
+      "utterance": "打开老板模式",
+      "provider": "openai",
+      "expected_provider_prefix": "openai:gpt-5.6-sol",
+      "expected": {"longitudinal": 20, "cushion_tilt": 30, "backrest_recline": 10, "legrest_height": 0}
     }
   ],
   "rejection_cases": [
@@ -396,18 +413,13 @@
     {"id": "SAFE-MISSING-STATE", "utterance": "副驾座椅通风", "expected_status": "needs_confirmation"},
     {"id": "SAFE-CONTRADICTORY", "utterance": "打开副驾加热然后关闭副驾加热", "expected_status": "needs_confirmation"},
     {"id": "SAFE-UNKNOWN-CAPABILITY", "utterance": "把副驾座椅按摩打开", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-UNKNOWN-MODE", "utterance": "打开老板模式", "expected_status": "needs_confirmation"},
     {"id": "SAFE-MULTIPLE-MODES", "utterance": "进入办公模式和零重力模式", "expected_status": "needs_confirmation"},
     {"id": "SAFE-LEGREST-EXTENSION", "utterance": "把副驾腿托伸长到50%", "expected_status": "needs_confirmation"},
     {"id": "SAFE-RELATIVE-WRONG-UNIT", "utterance": "坐垫向前移动10度", "expected_status": "needs_confirmation"},
     {"id": "SAFE-RELATIVE-MISSING-AXIS", "utterance": "向前移动10度", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-VAGUE", "utterance": "把座椅调舒服一点", "expected_status": "needs_confirmation"},
     {"id": "SAFE-UNSUPPORTED-REAR-ROW", "utterance": "打开后排座椅加热", "expected_status": "needs_confirmation"},
     {"id": "SAFE-UNSUPPORTED-FRONT-LEFT", "utterance": "打开左前座椅通风", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-UNSUPPORTED-ALL-SEATS", "utterance": "打开所有座椅加热", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-DECIMAL-POSITION", "utterance": "副驾座椅水平位置调到50.5%", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-NEGATIVE-POSITION", "utterance": "副驾座椅水平位置调到-10%", "expected_status": "needs_confirmation"},
-    {"id": "SAFE-ZERO-DURATION", "utterance": "副驾靠背向后移动0秒", "expected_status": "needs_confirmation"}
+    {"id": "SAFE-UNSUPPORTED-ALL-SEATS", "utterance": "打开所有座椅加热", "expected_status": "needs_confirmation"}
   ],
   "final_state": {
     "utterance": "关闭副驾座椅加热和通风，并把水平、坐盆、靠背、腿托四轴归零",