chore(linguist): exclude ReScript from language detection

[hyperpolymath]

Summary

Adds **/*.res linguist-detectable=false to .gitattributes so ReScript files do not dominate GitHub's primary-language detection.

Rationale: Estate-wide policy: ReScript is being migrated to AffineScript. Pending mechanical migration; this PR is the immediate cosmetic fix to stop ReScript dominating GitHub's primary-language detection until the source files are ported.

Changes

• .gitattributes: **/*.res linguist-detectable=false

Part of estate-wide metadata cleanup 2026-05-26.

[github-actions]

🔍 Hypatia Security Scan

Findings: 47 issues detected

Severity	Count
🔴 Critical	0
🟠 High	22
🟡 Medium	25

View findings

[
  {
    "reason": "No test directory or test files found",
    "type": "no_tests",
    "file": "/home/runner/work/poly-k8s-mcp/poly-k8s-mcp",
    "action": "flag",
    "rule_module": "honest_completion",
    "severity": "high",
    "deduction": 20
  },
  {
    "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": "Js.Dict deprecated -- use Dict (1 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/poly-k8s-mcp/poly-k8s-mcp/src/Resilience.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "high"
  },
  {
    "reason": "Nominal-only SAST in poly-k8s-mcp: codeql.yml language matrix contains no language present in the repo and lacks `actions`, so CodeQL records zero results on every commit. Remediation: set the CodeQL matrix to `language: actions`.",
    "type": "StaticAnalysis",
    "file": "/home/runner/work/poly-k8s-mcp/poly-k8s-mcp",
    "action": "auto_fix",
    "rule_module": "scorecard",
    "severity": "medium",
    "remediation": "Add CodeQL or equivalent SAST workflow.",
    "scorecard_check": "SAST"
  },
  {
    "reason": "Repository has 5 non-main remote branch(es). Policy: single main branch only.",
    "type": "GS007",
    "file": ".",
    "action": "delete_remote_branches",
    "rule_module": "git_state",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/structural_drift/SD009 -- Hypatia structural_drift: SD009 -- 8 day(s) old",
    "type": "CSA001",
    "file": "src/adapters/Helm.res",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/structural_drift/SD009 -- Hypatia structural_drift: SD009 -- 8 day(s) old",
    "type": "CSA001",
    "file": "src/adapters/Kustomize.res",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/structural_drift/SD009 -- Hypatia structural_drift: SD009 -- 8 day(s) old",
    "type": "CSA001",
    "file": "src/adapters/Kubectl.res",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/structural_drift/SD007 -- Hypatia structural_drift: SD007 -- 8 day(s) old",
    "type": "CSA001",
    "file": ".claude/CLAUDE.md",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/structural_drift/SD007 -- Hypatia structural_drift: SD007 -- 8 day(s) old",
    "type": "CSA001",
    "file": ".claude/CLAUDE.md",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  }
]

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