chore(logging): add informative logs to SQLiteAdapter init and execute

adapters/db/sqlite_adapter.py

@@ -1,7 +1,10 @@
 import sqlite3
+import logging
 from typing import List, Tuple, Any
 from adapters.db.base import DBAdapter
 
+log = logging.getLogger(__name__)
+
 
 class SQLiteAdapter(DBAdapter):
     name = "sqlite"
@@ -9,6 +12,7 @@ class SQLiteAdapter(DBAdapter):
 
     def __init__(self, path: str):
         self.path = path
+        log.info("SQLiteAdapter initialized with DB path: %s", self.path)
 
     def preview_schema(self, limit_per_table: int = 0) -> str:
         with sqlite3.connect(self.path, uri=True) as conn:
@@ -25,9 +29,12 @@ class SQLiteAdapter(DBAdapter):
     def execute(self, sql: str) -> Tuple[List[Tuple[Any, ...]], List[str]]:
         # enforce read-only connection
         uri = f"file:{self.path}?mode=ro&uri=true"
+        log.info("SQLiteAdapter opening read-only connection to: %s", uri)
         with sqlite3.connect(uri, uri=True, timeout=3) as conn:
             cur = conn.cursor()
+            log.debug("Executing SQL: %s", sql.strip().replace("\n", " "))
             cur.execute(sql)
             rows = cur.fetchall()
             cols = [desc[0] for desc in cur.description]
+            log.info("Query executed successfully. Returned %d rows.", len(rows))
             return rows, cols