feat(guanghu-os): stage independent Forgejo continuity

product-source/hololake-platform/guanghu-os/standards/jd-independent-forgejo-continuity-contract.json

@@ -0,0 +1,61 @@
+{
+  "schema": "guanghu.jd-independent-forgejo-continuity-contract/v1",
+  "contract_id": "GHOS-JD-INDEPENDENT-FORGEJO-CONTINUITY-001",
+  "state": "SOURCE_AND_TEST_ONLY",
+  "trigger": "JD-FD-PRIMARY native residency stops the Linux-hosted Forgejo process and makes the current BS-GZ-006 tunnel return 502.",
+  "causal_route": {
+    "current": "BS-GZ-006 -> SSH tunnel -> JD Linux Forgejo",
+    "shadow": "BS-GZ-006 -> dedicated SSH tunnel -> BS-SG-003 independent Forgejo",
+    "reason_for_bs_sg": "BS-SG-003 has 7.5 GiB memory and 52 GiB free disk, remains available during JD native residency, and already carries the protected native relay role."
+  },
+  "source_binding": {
+    "node_id": "JD-FD-PRIMARY",
+    "forgejo_version": "16.0.1",
+    "binary_sha256": "7a4c568136650c10498a9d3d62c7fd630a0cf09c166293ebd78708248f6398fc",
+    "repository_count": 7,
+    "work_path": "/var/lib/guanghu/personas/guanghu/hlcc-v16.0.1/data"
+  },
+  "shadow_binding": {
+    "node_id": "BS-SG-003",
+    "listen": "127.0.0.1:19224",
+    "publicly_reachable": false,
+    "data_root": "/var/lib/guanghu-code-shadow",
+    "configuration_root": "/etc/guanghu-os/forgejo-shadow"
+  },
+  "required_exact_readback": [
+    "FORGEJO_BINARY_SHA256",
+    "FORGEJO_HTTP_VERSION",
+    "SQLITE_INTEGRITY_OK",
+    "DATABASE_REPOSITORY_COUNT",
+    "DATABASE_USER_COUNT",
+    "EXACT_REPOSITORY_PATH_SET",
+    "EXACT_MAIN_COMMIT_FOR_EVERY_REPOSITORY"
+  ],
+  "migration_policy": {
+    "initial_shadow_snapshot_may_be_online": true,
+    "online_snapshot_is_cutover_authority": false,
+    "final_cutover_requires_bounded_write_freeze": true,
+    "final_cutover_requires_second_exact_sync": true,
+    "source_is_deleted_after_cutover": false,
+    "rollback_keeps_jd_linux_forgejo_intact": true
+  },
+  "acceptance_gates": {
+    "verifier_source": 100,
+    "isolated_verifier_test": 100,
+    "bs_sg_full_forgejo_shadow_deployed": 0,
+    "bs_sg_exact_source_snapshot_readback": 0,
+    "bs_gz_to_bs_sg_authenticated_tunnel": 0,
+    "nginx_code_route_switched": 0,
+    "public_code_during_jd_native_residency": 0,
+    "full_forgejo_equivalence": 0,
+    "production_native_cutover": 0
+  },
+  "prohibited_claims": [
+    "ONLINE_DUMP_IS_FINAL_CUTOVER_SNAPSHOT",
+    "REPOSITORY_GIT_HEADS_ALONE_ARE_FULL_FORGEJO",
+    "DATABASE_ONLY_IS_FULL_FORGEJO",
+    "SHADOW_HTTP_200_IS_PUBLIC_ROUTE_SWITCH",
+    "BS_GZ_EXISTING_UNRELATED_FORGEJO_IS_JD_CODE_CHANNEL",
+    "SOURCE_IMPLEMENTATION_IS_DEPLOYMENT"
+  ]
+}