feat(F-114): completed feature

work/artifacts/F-114/security.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "F-114",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "reviewed_at": "2026-08-21",
+  "summary": "No new attack surface. Seed is a one-off CLI with parameterized SQL; helper logic is pure and side-effect-free.",
+  "checks": [
+    { "item": "SQL injection: INSERTs use parameterized placeholders; no string concatenation", "ok": true },
+    { "item": "Slug uniqueness: enforced by DB UNIQUE constraint + ON CONFLICT DO NOTHING; helper doesn't trust uniqueness", "ok": true },
+    { "item": "decodeHtmlEntities: does not decode script-like entities or unknown named entities; safe fallback", "ok": true },
+    { "item": "Slugify: strips diacritics and non-alphanumerics; rejects what the gateway regex would reject", "ok": true },
+    { "item": "Seed script: requires DATABASE_URL; dry-run flag prevents accidental writes", "ok": true }
+  ],
+  "issues": []
+}