diff --git a/openspec/changes/user-accounts/.openspec.yaml b/openspec/changes/archive/2026-02-20-user-accounts/.openspec.yaml
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rename to openspec/changes/archive/2026-02-20-user-accounts/.openspec.yaml
diff --git a/openspec/changes/user-accounts/design.md b/openspec/changes/archive/2026-02-20-user-accounts/design.md
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diff --git a/openspec/changes/user-accounts/proposal.md b/openspec/changes/archive/2026-02-20-user-accounts/proposal.md
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diff --git a/openspec/changes/user-accounts/specs/backend-api/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/backend-api/spec.md
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diff --git a/openspec/changes/user-accounts/specs/landing-page/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/landing-page/spec.md
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diff --git a/openspec/changes/user-accounts/specs/login-page/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/login-page/spec.md
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rename to openspec/changes/archive/2026-02-20-user-accounts/specs/login-page/spec.md
diff --git a/openspec/changes/user-accounts/specs/postgres-data-layer/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/postgres-data-layer/spec.md
similarity index 100%
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diff --git a/openspec/changes/user-accounts/specs/register-page/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/register-page/spec.md
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diff --git a/openspec/changes/user-accounts/specs/ui-shell/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/ui-shell/spec.md
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diff --git a/openspec/changes/user-accounts/specs/user-auth/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/user-auth/spec.md
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diff --git a/openspec/changes/user-accounts/specs/user-data-isolation/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/user-data-isolation/spec.md
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diff --git a/openspec/changes/user-accounts/specs/user-settings/spec.md b/openspec/changes/archive/2026-02-20-user-accounts/specs/user-settings/spec.md
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diff --git a/openspec/changes/user-accounts/tasks.md b/openspec/changes/archive/2026-02-20-user-accounts/tasks.md
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diff --git a/openspec/changes/user-accounts/tasks_BACKUP.md b/openspec/changes/archive/2026-02-20-user-accounts/tasks_BACKUP.md
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rename to openspec/changes/archive/2026-02-20-user-accounts/tasks_BACKUP.md
diff --git a/package-lock.json b/package-lock.json
index aa67c1f..2dc7703 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "postcss": "^8.5.6",
         "tailwindcss": "^3.4.19",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3"
+        "typescript": "5.9.3"
       }
     },
     "node_modules/@alloc/quick-lru": {
@@ -8415,6 +8415,8 @@
     },
     "node_modules/typescript": {
       "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "peer": true,
diff --git a/package.json b/package.json
index aa13ef7..c54f0fe 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,6 @@
     "postcss": "^8.5.6",
     "tailwindcss": "^3.4.19",
     "tsx": "^4.21.0",
-    "typescript": "^5.9.3"
+    "typescript": "5.9.3"
   }
 }