fix: Agent retries transient transport errors/proxy 5xx with backoff (classify, complete, fail); hide console behind the GUI wizard; 1.2.2

Found in the clean-Windows recovery test: a single TLS handshake failure mid-job failed a whole sync.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

release/RELEASE_MANIFEST.json

@@ -1,14 +1,14 @@
 {
  "artifact": "RELEASE_MANIFEST",
- "GTI_FISCAL_VERSION": "1.2.1",
- "generated_at": "2026-09-25T11:54:55+00:00",
+ "GTI_FISCAL_VERSION": "1.2.2",
+ "generated_at": "2026-09-25T14:59:09+00:00",
  "hub": {
-  "version": "1.2.1",
+  "version": "1.2.2",
   "api_compat": "1.0",
   "engine_version": "0.3.0",
   "decision_version": "mission-04c-ipi-ex-split"
  },
- "agent_version": "1.2.1",
+ "agent_version": "1.2.2",
  "fiscal_engine": {
   "ENGINE_VERSION": "0.3.0",
   "DECISION_VERSION": "mission-04c-ipi-ex-split",

release/VERSION

@@ -1 +1 @@
-1.2.1
+1.2.2