docs(wiki): align ordinal Track 2 to owner reconciliation — valid + frozen, trajectory closed

[hyperpolymath]

What

Docs-only. Resolves the one open item the close-out flagged: the ordinal retired-vs-still-committing contradiction. No .agda touched — All.agda / Smoke.agda unaffected.

Owner reconciliation

"treat it as valid itself, but no further work on that trajectory is needed."

So the landed ordinal artifact (including BH climb rungs 7–8) is valid and kept — frozen, not deleted, and the retirement stands as to direction: no further climb, no new ordinal rung in echo-types; disposition = extraction to its own ordinal-notation repo. Order-type fidelity to ψ₀(Ω_ω) stays an open external problem (D-2026-06-14).

Changes

• wiki/Architecture.adoc — Track 2 reframed from "Ordinal (partial) / first credible milestone" (active framing) to "RETIRED (D-2026-06-21) … valid + kept, frozen hand-off record." Now consistent with wiki/Roadmap.adoc, which a parallel session already retired (e09eba5).
• CLAUDE.md — the close-out ⚠ OWNER-DECISION FLAG flipped to ✅ … RECONCILED, with the resolution recorded so the next session doesn't reopen it.

This closes the loop opened by #266; both wiki files and the ledger now agree.

🤖 Generated with Claude Code

https://claude.ai/code/session_018CaSgNjNURC7ocsyjYh9We

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Generated by Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 6 issues detected

Severity	Count
🔴 Critical	0
🟠 High	3
🟡 Medium	3

View findings

[
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    "file": "/home/runner/work/echo-types/echo-types",
    "action": "flag",
    "rule_module": "honest_completion",
    "severity": "high",
    "deduction": 20
  },
  {
    "reason": "Nominal-only SAST in echo-types: 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/echo-types/echo-types",
    "action": "auto_fix",
    "rule_module": "scorecard",
    "severity": "medium",
    "remediation": "Add CodeQL or equivalent SAST workflow.",
    "scorecard_check": "SAST"
  },
  {
    "reason": "Repository has 9 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 (Scorecard): TokenPermissionsID -- Token-Permissions -- 19 day(s) old [STALE]",
    "type": "CSA001",
    "file": ".github/workflows/scorecard.yml",
    "action": "escalate",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  },
  {
    "reason": "Code-scanning alert TokenPermissionsID (high) at .github/workflows/scorecard.yml is 19 days old (threshold: 7 days) -- overdue for remediation",
    "type": "CSA003",
    "file": ".github/workflows/scorecard.yml",
    "action": "escalate",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  },
  {
    "reason": "Code-scanning alert hypatia/code_safety/agda_postulate dismissed as 'false positive' -- ensure dismissal is documented and justified",
    "type": "CSA004",
    "file": "proofs/agda/EchoImageFactorizationPropPostulated.agda",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  }
]

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