fix: address sanity-check issues + rebrand to Smaug

Co-authored-by: dodox <dodox@users.noreply.local>

db/db.py

@@ -76,13 +76,25 @@ def mark_signal_alerted(signal_id: int):
 def mark_signal_executed(signal_id: int):
     conn = get_connection()
     try:
-        conn.execute("UPDATE signals SET executed=1 WHERE id=?", (signal_id,))
+        conn.execute(
+            "UPDATE signals SET executed=1, executed_at=? WHERE id=?",
+            (datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"), signal_id),
+        )
         conn.commit()
     finally:
         conn.close()
 
 
-def get_unalerted_signals():
+def mark_signal_closed(signal_id: int):
+    conn = get_connection()
+    try:
+        conn.execute("UPDATE signals SET closed=1 WHERE id=?", (signal_id,))
+        conn.commit()
+    finally:
+        conn.close()
+
+
+def get_unalerted_signals() -> list[dict]:
     conn = get_connection()
     try:
         rows = conn.execute(
@@ -93,6 +105,17 @@ def get_unalerted_signals():
         conn.close()
 
 
+def get_executed_unclosed_signals() -> list[dict]:
+    conn = get_connection()
+    try:
+        rows = conn.execute(
+            "SELECT * FROM signals WHERE executed=1 AND closed=0 AND executed_at IS NOT NULL"
+        ).fetchall()
+        return [dict(r) for r in rows]
+    finally:
+        conn.close()
+
+
 def get_recent_buys_for_ticker(ticker: str, window_days: int) -> list:
     conn = get_connection()
     try:

db/schema.sql

@@ -25,6 +25,8 @@ CREATE TABLE IF NOT EXISTS signals (
     score REAL,
     alerted INTEGER DEFAULT 0,
     executed INTEGER DEFAULT 0,
+    executed_at TEXT,
+    closed INTEGER DEFAULT 0,
     created_at TEXT DEFAULT (datetime('now'))
 );
 
@@ -32,3 +34,4 @@ CREATE INDEX IF NOT EXISTS idx_filings_ticker ON filings(ticker);
 CREATE INDEX IF NOT EXISTS idx_filings_transaction_date ON filings(transaction_date);
 CREATE INDEX IF NOT EXISTS idx_signals_ticker ON signals(ticker);
 CREATE INDEX IF NOT EXISTS idx_signals_alerted ON signals(alerted);
+CREATE INDEX IF NOT EXISTS idx_signals_executed ON signals(executed);