adding search

src/Storage/Database.php

@@ -80,6 +80,47 @@ class Database
             CREATE INDEX IF NOT EXISTS idx_alerts_created ON alerts(created_at)
         ");
 
+        $this->pdo->exec("
+            CREATE INDEX IF NOT EXISTS idx_alerts_severity ON alerts(severity)
+        ");
+
+        $this->pdo->exec("
+            CREATE VIRTUAL TABLE IF NOT EXISTS alerts_fts USING fts5(
+                message, raw_line, rule_name, source_name,
+                content='alerts',
+                content_rowid='id',
+                tokenize='porter unicode61'
+            )
+        ");
+
+        $this->pdo->exec("
+            CREATE TRIGGER IF NOT EXISTS alerts_ai AFTER INSERT ON alerts BEGIN
+                INSERT INTO alerts_fts(rowid, message, raw_line, rule_name, source_name)
+                VALUES (new.id, new.message, new.raw_line, new.rule_name, new.source_name);
+            END;
+        ");
+
+        $this->pdo->exec("
+            CREATE TRIGGER IF NOT EXISTS alerts_ad AFTER DELETE ON alerts BEGIN
+                INSERT INTO alerts_fts(alerts_fts, rowid, message, raw_line, rule_name, source_name)
+                VALUES ('delete', old.id, old.message, old.raw_line, old.rule_name, old.source_name);
+            END;
+        ");
+
+        $this->pdo->exec("
+            CREATE TRIGGER IF NOT EXISTS alerts_au AFTER UPDATE ON alerts BEGIN
+                INSERT INTO alerts_fts(alerts_fts, rowid, message, raw_line, rule_name, source_name)
+                VALUES ('delete', old.id, old.message, old.raw_line, old.rule_name, old.source_name);
+                INSERT INTO alerts_fts(rowid, message, raw_line, rule_name, source_name)
+                VALUES (new.id, new.message, new.raw_line, new.rule_name, new.source_name);
+            END;
+        ");
+
+        $this->pdo->exec("
+            INSERT OR IGNORE INTO alerts_fts(rowid, message, raw_line, rule_name, source_name)
+            SELECT id, message, raw_line, rule_name, source_name FROM alerts
+        ");
+
         $this->pdo->exec("
             CREATE TABLE IF NOT EXISTS rate_limiter (
                 rule_id INTEGER NOT NULL,

src/Storage/Repository.php

@@ -145,6 +145,20 @@ class Repository
         )->fetchAll();
     }
 
+    public function searchAlerts(string $query, int $limit = 100): array
+    {
+        $stmt = $this->db->pdo()->prepare(
+            "SELECT a.* FROM alerts a
+             JOIN alerts_fts fts ON a.id = fts.rowid
+             WHERE alerts_fts MATCH ?
+             ORDER BY rank
+             LIMIT ?"
+        );
+        $stmt->execute([$query, $limit]);
+        $rows = $stmt->fetchAll();
+        return array_map(fn(array $r) => Alert::fromRow($r), $rows);
+    }
+
     // --- Config ---
 
     public function getAllowedUserTokens(): array