S00-002: Approve the pinned UI stack after independent clean build checks

Changes: Accept ADR 0001 for the bounded React/TypeScript/Vite and Node/npm choice; record independent security findings and update S00-002 handoff. Preserve browser interaction and release/interoperability limits.
Validation: Fresh-cache npm ci and strict npm run build passed on Node 24.21.0/npm 11.19.0; lock and artifact SHA256 matched executor evidence. Verified exact pins, 67 locked license/integrity entries and installed runtime license notices. HTTP preview matched built HTML/JS; make check passed 72 tooling tests; scoped diff and whitespace checked. No DOM interaction, vulnerability/provenance or product readiness acceptance is claimed.

Task: S00-002
Agent: auto-security-bd73f4f80779
Role: security
Action: review
Status: done

Task title: Выбрать framework и build runtime

state/handoffs/S00-002.md

@@ -10,3 +10,6 @@ Next step belongs only to separate assigned security reviewer. Read ADR/card/evi
 DOM rendering/counter interaction is an external check: no browser is exposed by this harness. README gives manual steps; do not label them passed. Current compiler floors are not the product browser matrix. Vue was not built or benchmarked. Crypto/XMPP compatibility, full app CI, notices for future libraries, other build-host platforms, provider integration and release readiness remain subsequent cards. Shared contracts/specs/plan definitions unchanged. ADR remains proposed; executor does not set done or perform Git mutations. Coordinator commits this submission and launches the reviewer.
 
 Review startup blocker reported by manual-security-stdin-20261015a: assigned reviewer never received complete stdin/EOF. Runner stopped cleanly by supervisor; no acceptance review performed. Diagnostic evidence: state/evidence/S00-002-manual-security-stdin-20261015a.md. Implementation commit 59b9ff6 remains preserved. Separate runner transport remediation must be reviewed before original review resumes.
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+Independent security review: auto-security-bd73f4f80779, 2026-10-15. Accepted bounded S00-002 and ADR 0001 after fresh-cache npm ci/build, matching lock/artifact hashes, exact pin/license/notice checks, HTTP preview and make check (72 tests), all exit 0. Review evidence: state/evidence/S00-002-review.md. No blocker. DOM interaction remains unexecuted; browser product matrix, protocol/crypto compatibility and release checks remain later cards. Previous startup blocker was resolved through independently reviewed S00-012; this fresh review received complete inputs. Coordinator must commit the review transition before any next fresh session.