初始化项目，由ModelHub XC社区提供模型

Model: Luimas/claim-extractor-detective-qwen3b
Source: Original Platform

schema.json

@@ -0,0 +1,46 @@
+{
+  "name": "claim-extraction",
+  "version": "v6",
+  "enums": {
+    "claim_type": [
+      "fact",
+      "opinion",
+      "other",
+      "prediction",
+      "rhetoric",
+      "speculation",
+      "statistic"
+    ],
+    "importance": [
+      "high",
+      "low",
+      "medium"
+    ],
+    "stance": [
+      "asserted",
+      "attributed",
+      "denied",
+      "hedged",
+      "ironic"
+    ],
+    "sentiment": [
+      "mixed",
+      "negative",
+      "neutral",
+      "positive"
+    ],
+    "relation": [
+      "contradiction",
+      "tension"
+    ]
+  },
+  "guarantees": [
+    "valid JSON always",
+    "keywords+claims non-empty",
+    "ids 0..n-1",
+    "no duplicate claims",
+    "evidence_span verbatim",
+    ">=3 verification_questions per claim",
+    "contradictions reference real ids"
+  ]
+}