S00-003: Record blocked task and remediation handoff

Changes: Preserve incomplete work and blocker metadata for S00-003. This checkpoint does not mark implementation accepted.
Validation: Session ended with status blocked.
Blocker: S00-003 cannot reproduce accepted Node 24.21.0/npm 11.19.0 or install locked Stanza: host tools are 24.1.0/11.3.0, parent node_modules is absent, and normal official HTTPS retrieval fails with unresolved configured proxy.

Task: S00-003
Agent: auto-protocol-59f4d359b339
Role: protocol
Action: claim
Status: blocked

Task title: Проверить XMPP WSS/auth библиотеку

state/issues/S00-003-auto-protocol-59f4d359b339.json

@@ -0,0 +1,29 @@
+{
+  "title": "Restore access to the pinned Linux XMPP experiment toolchain",
+  "reason": "S00-003 cannot reproduce accepted Node 24.21.0/npm 11.19.0 or install locked Stanza: host tools are 24.1.0/11.3.0, parent node_modules is absent, and normal official HTTPS retrieval fails with unresolved configured proxy.",
+  "reproduction": "node --version => v24.1.0; npm --version => 11.3.0; parent node_modules/stanza absent; curl official v24.21.0 SHASUMS256.txt => exit 5 Could not resolve proxy. Details: state/evidence/S00-003-auto-protocol-59f4d359b339.md",
+  "role": "ci-cd",
+  "reviewer_role": "qa",
+  "scope": [
+    "experiments/0002-xmpp-library/environment-access/**"
+  ],
+  "outcome": "One independently reviewed environment-access probe demonstrates authentic pinned Linux Node/npm and integrity-verified installation of the parent locked dependency graph without changing accepted stack or network security policy.",
+  "steps": [
+    "Read S00-003 blocker evidence and accepted stack pins.",
+    "Obtain external approved HTTPS connectivity or authentic locally supplied pinned Linux runtime and locked dependency artifacts.",
+    "Verify vendor checksum for runtime, exact node/npm versions, and lock integrity with a script confined to the remediation directory; install a copy of the parent manifest/lock only inside that directory.",
+    "Document reproducible approved artifact paths or connectivity and actual results; submit for independent review."
+  ],
+  "acceptance": [
+    "Node 24.21.0 and npm 11.19.0 execute on this Linux host with authenticated vendor checksum verification recorded.",
+    "Copied unchanged parent package-lock installs successfully with package integrity enforced and Stanza 12.22.1 available.",
+    "No stack/lock/spec changes, engine or TLS bypass, proxy policy bypass or secrets in evidence."
+  ],
+  "checks": [
+    "Exact runtime version and official checksum comparison.",
+    "Isolated npm ci of unchanged parent manifest/lock with lifecycle scripts disabled and TLS verification retained.",
+    "Independent review repeats access/runtime/lock checks."
+  ],
+  "depends_on": [],
+  "requires_user_input": true
+}