diff --git a/run_pssa.ps1 b/run_pssa.ps1
deleted file mode 100644
index 79068f2..0000000
--- a/run_pssa.ps1
+++ /dev/null
@@ -1,8 +0,0 @@
-$ErrorActionPreference = 'Stop'
-Install-Module PSScriptAnalyzer -Force -Scope CurrentUser -ErrorAction SilentlyContinue
-$results = Invoke-ScriptAnalyzer -Path 'scripts/knowledge-crystallize.ps1' -Severity Error,Warning
-if ($results) {
-    $results | Format-Table -AutoSize
-    exit 1
-}
-Write-Host 'PSScriptAnalyzer: OK'
diff --git a/specs/AI-019-model-tier-policy/proposal.md b/specs/archive/AI-019-model-tier-policy/proposal.md
similarity index 98%
rename from specs/AI-019-model-tier-policy/proposal.md
rename to specs/archive/AI-019-model-tier-policy/proposal.md
index 5154cc7..70da5b1 100644
--- a/specs/AI-019-model-tier-policy/proposal.md
+++ b/specs/archive/AI-019-model-tier-policy/proposal.md
@@ -1,7 +1,7 @@
 ---
 id: "AI-019-model-tier-policy"
 type: spec
-status: draft
+status: archived
 created: "2026-05-19"
 tags: [spec, proposal, agents, model-selection]
 template_version: "1.0"
@@ -63,3 +63,5 @@ Per-agent overlays gain a ≤6-line "## Model Tier (per AGENTS.md)" section list
 - Vault: `10_projects/dotfiles/30-architecture/dotfiles-architecture-map.md` (AUDIT-004) — locates where each per-agent overlay lives.
 - Related: `00_meta/patterns/pattern-spec-driven-development.md` (SDD-003 gate enforcing this PR).
 - Behavioural precedent: `AGENTS.md` "Operating Mode" + "Competence Retention Protocol" already encode task-class branching; this PR extends to model-tier branching.
+
+<!-- archived 2026-05-20 — PR: https://github.com/mlorentedev/dotfiles/pull/60 -->
diff --git a/specs/AI-019-model-tier-policy/tasks.md b/specs/archive/AI-019-model-tier-policy/tasks.md
similarity index 100%
rename from specs/AI-019-model-tier-policy/tasks.md
rename to specs/archive/AI-019-model-tier-policy/tasks.md
diff --git a/specs/AI-019-model-tier-policy/verification.md b/specs/archive/AI-019-model-tier-policy/verification.md
similarity index 100%
rename from specs/AI-019-model-tier-policy/verification.md
rename to specs/archive/AI-019-model-tier-policy/verification.md
diff --git a/specs/SDD-003-ci-spec-gate/features.json b/specs/archive/SDD-003-ci-spec-gate/features.json
similarity index 100%
rename from specs/SDD-003-ci-spec-gate/features.json
rename to specs/archive/SDD-003-ci-spec-gate/features.json
diff --git a/specs/SDD-003-ci-spec-gate/proposal.md b/specs/archive/SDD-003-ci-spec-gate/proposal.md
similarity index 98%
rename from specs/SDD-003-ci-spec-gate/proposal.md
rename to specs/archive/SDD-003-ci-spec-gate/proposal.md
index 17eb4f4..b157dbe 100644
--- a/specs/SDD-003-ci-spec-gate/proposal.md
+++ b/specs/archive/SDD-003-ci-spec-gate/proposal.md
@@ -1,7 +1,7 @@
 ---
 id: "SDD-003-ci-spec-gate"
 type: spec
-status: draft
+status: archived
 created: "2026-05-19"
 tags: [spec, proposal, sdd, ci]
 template_version: "1.0"
@@ -62,3 +62,5 @@ A new `.github/pull_request_template.md` lists the SDD checklist (vault entry, s
 - Related patterns: `00_meta/patterns/pattern-spec-driven-development.md` (the pattern being enforced).
 - Prior tiers: PR [#49](https://github.com/mlorentedev/dotfiles/pull/49) (Tier 1+2), PR [#51](https://github.com/mlorentedev/dotfiles/pull/51) (Tier 3).
 - Convention precedent: `scripts/diff-check.sh` and `scripts/doctor.sh` follow the same reusable-helper-plus-CI-caller pattern.
+
+<!-- archived 2026-05-20 — PR: https://github.com/mlorentedev/dotfiles/pull/60 -->
diff --git a/specs/SDD-003-ci-spec-gate/tasks.md b/specs/archive/SDD-003-ci-spec-gate/tasks.md
similarity index 100%
rename from specs/SDD-003-ci-spec-gate/tasks.md
rename to specs/archive/SDD-003-ci-spec-gate/tasks.md
diff --git a/specs/SDD-003-ci-spec-gate/verification.md b/specs/archive/SDD-003-ci-spec-gate/verification.md
similarity index 100%
rename from specs/SDD-003-ci-spec-gate/verification.md
rename to specs/archive/SDD-003-ci-spec-gate/verification.md