Rewrite

1{
2  "$comment": "schema_version: 1; contract source: agents/llm2bedrock-code-rewriter.md §27, PLUS two fields this design adds for resume identity (design §5.1 rewriter exception): baseline_parent_sha, branch_tip_sha. notes carries test counts / collision detail per §27, so it is required. blocked reasons per rewriter §27 (shared enum: model_access, source_key_auth, model_unresolvable).",
3  "oneOf": [
4    {
5      "type": "object",
6      "additionalProperties": false,
7      "required": [
8        "branch_name",
9        "files_changed",
10        "dependencies_updated",
11        "notes",
12        "behavior_delta_decisions",
13        "baseline_parent_sha",
14        "branch_tip_sha"
15      ],
16      "properties": {
17        "summary": { "type": "string" },
18        "branch_name": { "type": "string" },
19        "files_changed": { "type": "array", "items": { "type": "string" } },
20        "dependencies_updated": { "type": "array", "items": { "type": "string" } },
21        "notes": { "type": "string" },
22        "behavior_delta_decisions": {
23          "type": "array",
24          "items": {
25            "type": "object",
26            "required": ["delta_type", "location", "resolution_chosen", "source"],
27            "properties": {
28              "delta_type": { "type": "string" },
29              "location": { "type": "string" },
30              "resolution_chosen": { "type": "string" },
31              "source": { "type": "string" },
32              "user_verbatim_answer": { "type": "string" }
33            }
34          }
35        },
36        "baseline_parent_sha": { "type": "string", "pattern": "^[0-9a-f]{40}$" },
37        "branch_tip_sha": { "type": "string", "pattern": "^[0-9a-f]{40}$" }
38      }
39    },
40    {
41      "type": "object",
42      "additionalProperties": false,
43      "required": ["blocked"],
44      "properties": {
45        "blocked": {
46          "type": "object",
47          "additionalProperties": false,
48          "required": ["reason", "detail"],
49          "properties": {
50            "reason": { "type": "string", "enum": ["model_access", "source_key_auth", "model_unresolvable"] },
51            "detail": { "type": "string" }
52          }
53        }
54      }
55    }
56  ]
57}