fix: layer dev DB readiness evidence

Refs #49

Merged by commander after reviewing Code Queue task codex_1779422762669_1. Adds redacted DB readiness layering and refreshes DEV endpoint/report evidence. Follow-up: deploy/verify the new readiness probe in DEV via standard image CI/CD.

protocol/examples/m0-contract/deploy-manifest.dev.json

@@ -3,13 +3,13 @@
   "environment": "dev",
   "commitId": "6509a35804ee97dd8d711bdde334c46ca37c55b9",
   "namespace": "hwlab-dev",
-  "endpoint": "http://74.48.78.17:6667",
+  "endpoint": "http://74.48.78.17:16667",
   "profiles": {
     "dev": {
       "name": "dev",
       "enabled": true,
       "namespace": "hwlab-dev",
-      "endpoint": "http://74.48.78.17:6667",
+      "endpoint": "http://74.48.78.17:16667",
       "notes": "M0 contract example only; not a deploy manifest."
     }
   },

protocol/examples/runtime-boundary/guard.dev.json

@@ -2,7 +2,7 @@
   "guard": "hwlab-runtime-boundary",
   "schemaVersion": "v1",
   "environment": "dev",
-  "endpoint": "http://74.48.78.17:6667",
+  "endpoint": "http://74.48.78.17:16667",
   "namespace": "hwlab-dev",
   "scope": "static-runtime-boundary",
   "policy": {

protocol/mvp-e2e-contract.md

@@ -8,7 +8,7 @@ heavy e2e test suite.
 All MVP acceptance traffic targets:
 
 ```text
-http://74.48.78.17:6667
+http://74.48.78.17:16667
 ```
 
 ## Minimal Flow