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migrations/V037__openpgp_keyring.sql

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+-- OpenPGP keyring metadata. Secret key material is stored outside SQLite.
+CREATE TABLE IF NOT EXISTS pgp_keys (
+    fingerprint TEXT PRIMARY KEY,
+    key_id TEXT NOT NULL,
+    email TEXT NOT NULL DEFAULT '',
+    user_id TEXT NOT NULL DEFAULT '',
+    public_key_armor TEXT NOT NULL,
+    secret_key_path TEXT,
+    has_secret INTEGER NOT NULL DEFAULT 0,
+    trust TEXT NOT NULL DEFAULT 'unknown',
+    source TEXT NOT NULL DEFAULT 'import',
+    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+CREATE INDEX IF NOT EXISTS idx_pgp_keys_email ON pgp_keys(lower(email));
+
+CREATE TABLE IF NOT EXISTS pgp_preferences (
+    id INTEGER PRIMARY KEY CHECK (id = 1),
+    wkd_enabled INTEGER NOT NULL DEFAULT 1,
+    hkp_enabled INTEGER NOT NULL DEFAULT 0,
+    require_trusted_encryption INTEGER NOT NULL DEFAULT 0,
+    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+INSERT OR IGNORE INTO pgp_preferences (id) VALUES (1);