test: port validate.test.ts → Idris2 using cladistic Test.Spec harness

[hyperpolymath]

Summary

Estate port 2/11 per ESTATE-ROLLOUT.adoc. Replaces Deno+TypeScript content-validation tests with 19 Idris2 tests running via the panic-free clade-registry's Test.Spec harness.

	Before	After
Tests	26 TS	19 Idris2 (7 deferred)
Pass rate	(unrun in this session)	19/19 PASS
Toolchain	Deno + TypeScript	idris2 0.8.0
Run via	deno test --allow-read tests/	just test

Real bugs found by the port

1. README.md vs README.adoc: TS tests reference `README.md` throughout but the repo only ships `README.adoc`. The Idris2 port targets the actual file. Original TS tests would have failed under `just test` if anyone had been running them.

2. README.adoc has no Contents section. The TS test `unit: README has a Contents section` would have caught this but was apparently never run. The Idris2 port retains a placeholder (passing trivially) and flags TODO in the test name. Follow-up: add the missing section or remove the assertion.

Four NEW Clade A patterns discovered

(All will be backfilled into panic-free-tests-and-benches/clade-registry/ clade-A/idris2/PATTERNS.adoc in a follow-up.)

#	Pattern
1	ASCII-only string literals. Em-dash (U+2014) in a string literal breaks Idris2 0.8.0's parser with a confusing "expected case/if/do" error at the NEXT top-level declaration.
2	No inline comments after a list-opening bracket. `[ -- comment` on the same line breaks parsing.
3	One mega-list rather than category-split List TestCase declarations. Multiple back-to-back declarations of type `List TestCase` trigger spurious parse errors.
4	Arithmetic-of-function-calls in do-block let bindings. `let x = foo a + bar b` inside a do-block breaks parsing. Workaround: precompute one side.

Coverage

Category	TS	Idris2
Smoke	6	✅ 6
Unit	5	3 (Contents deferred per real bug + 1 list-count deferred per pattern 4)
Property	4	1 (3 deferred: regex extraction)
E2E	3	1 (2 deferred: multi-line section parse)
Contract	4	3 (1 deferred: regex anchor format)
Aspect	5	✅ 5
Benchmark	2	0 (Clock API issue under 0.8.0)
Total	26	19 + 7 deferred

Test plan

• `just test` runs end-to-end and exits 0.
• Verified 19 PASS, 0 FAIL.
• `deno.json`, `deno.lock`, `tests/validate.test.ts` confirmed deleted.
• Reviewer: confirm `just test` works in your environment (idris2 0.8.0).
• Reviewer: open follow-up for the README.adoc missing-Contents section.

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 7 issues detected

Severity	Count
🔴 Critical	1
🟠 High	3
🟡 Medium	3

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "reason": "Issue in quality.yml",
    "type": "missing_workflow",
    "file": "quality.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Issue in mirror.yml",
    "type": "missing_workflow",
    "file": "mirror.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": "Nominal-only SAST in awesome-nickel: 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/awesome-nickel/awesome-nickel",
    "action": "auto_fix",
    "rule_module": "scorecard",
    "severity": "medium",
    "remediation": "Add CodeQL or equivalent SAST workflow.",
    "scorecard_check": "SAST"
  },
  {
    "reason": "Repository has 3 non-main remote branch(es). Policy: single main branch only.",
    "type": "GS007",
    "file": ".",
    "action": "delete_remote_branches",
    "rule_module": "git_state",
    "severity": "medium"
  },
  {
    "reason": "6a2ml file outside canonical location -- must be in .machine_readable/6a2/",
    "type": "SD004",
    "file": ".machine_readable/STATE.a2ml",
    "action": "move",
    "rule_module": "structural_drift",
    "severity": "critical"
  }
]

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