docs: add faithful RUST-SPARK-STANCE.adoc

[hyperpolymath]

Records the existing Idris2+Zig ABI seam (src/abi/*.idr + ffi/zig/) and SPARK/Ada admission path honestly. Seam was present but undocumented (silent-regress risk per estate audit). No proof escapes in the corpus; honest gaps (Zig template placeholders, Idris2 not in CI, owed octad invariants) recorded explicitly.

Refs hyperpolymath/standards#124

[github-actions]

🔍 Hypatia Security Scan

Findings: 120 issues detected

Severity	Count
🔴 Critical	18
🟠 High	64
🟡 Medium	38

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "reason": "Stale AI task file -- delete or move to docs/",
    "type": "stale",
    "file": "SONNET-TASKS.md",
    "action": "delete",
    "rule_module": "root_hygiene",
    "severity": "high"
  },
  {
    "reason": "Issue in quality.yml",
    "type": "missing_workflow",
    "file": "quality.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Issue in security-policy.yml",
    "type": "missing_workflow",
    "file": "security-policy.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "medium"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/governance-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "governance.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/panic-attacker/.github/workflows/scan-and-report.yml@main needs attention",
    "type": "unpinned_action",
    "file": "security-scan.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "binary_to_term without :safe option -- deserialization attack (1 occurrences, CWE-502)",
    "type": "elixir_send_unsanitised",
    "file": "/home/runner/work/verisimdb/verisimdb/lib/verisim/query_cache.ex",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "reason": "binary_to_term without :safe option -- deserialization attack (1 occurrences, CWE-502)",
    "type": "elixir_send_unsanitised",
    "file": "/home/runner/work/verisimdb/verisimdb/lib/verisim/query_planner_config.ex",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "reason": "String.to_existing_atom with user input exhausts atom table -- use to_existing_atom (1 occurrences, CWE-400)",
    "type": "elixir_atom_from_user",
    "file": "/home/runner/work/verisimdb/verisimdb/elixir-orchestration/lib/verisim/query/vql_type_checker.ex",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "reason": "HTTP URL in code -- use HTTPS for non-localhost (1 occurrences, CWE-319)",
    "type": "js_http_url_in_code",
    "file": "/home/runner/work/verisimdb/verisimdb/connectors/test-infra/seed/mongodb-init.js",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "medium"
  },
  {
    "reason": "getExn on external data -- use pattern matching (1 occurrences, CWE-754)",
    "type": "getexn_on_external",
    "file": "/home/runner/work/verisimdb/verisimdb/src/registry/Registry.res",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "critical"
  }
]

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