feat: bound agent facet label proposals

contracts/schemas/IngestReviewDecision.schema.json

@@ -0,0 +1,66 @@
+{
+  "additionalProperties": false,
+  "properties": {
+    "decision": {
+      "enum": [
+        "include",
+        "exclude",
+        "defer"
+      ],
+      "title": "Decision",
+      "type": "string"
+    },
+    "decision_id": {
+      "maxLength": 128,
+      "minLength": 1,
+      "pattern": "^[a-zA-Z0-9][a-zA-Z0-9._:-]*$",
+      "title": "Decision Id",
+      "type": "string"
+    },
+    "guidance_rule": {
+      "anyOf": [
+        {
+          "maxLength": 1000,
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Guidance Rule"
+    },
+    "rationale": {
+      "maxLength": 2000,
+      "minLength": 1,
+      "title": "Rationale",
+      "type": "string"
+    },
+    "review_id": {
+      "maxLength": 128,
+      "minLength": 1,
+      "pattern": "^[a-zA-Z0-9][a-zA-Z0-9._:-]*$",
+      "title": "Review Id",
+      "type": "string"
+    },
+    "save_as_guidance": {
+      "default": false,
+      "title": "Save As Guidance",
+      "type": "boolean"
+    },
+    "schema_version": {
+      "const": 1,
+      "default": 1,
+      "title": "Schema Version",
+      "type": "integer"
+    }
+  },
+  "required": [
+    "decision_id",
+    "review_id",
+    "decision",
+    "rationale"
+  ],
+  "title": "IngestReviewDecision",
+  "type": "object"
+}