Major overhaul of db -> hypertable conversion, updated GUI, added inventory

db_async.py

@@ -7,12 +7,12 @@ import os
 import sqlalchemy
 from databases import Database
 from sqlalchemy import MetaData, Table, Column, Integer, String, Float, DateTime, text
-from sqlalchemy import Index
+from sqlalchemy import Index, BigInteger, JSON, Boolean, UniqueConstraint
 
 # Environment: Postgres/TimescaleDB connection URL
 DATABASE_URL = os.getenv("DATABASE_URL", "postgresql://postgres:password@localhost:5432/dereth")
-# Async database client
-database = Database(DATABASE_URL)
+# Async database client with explicit connection pool configuration
+database = Database(DATABASE_URL, min_size=5, max_size=20)
 # Metadata for SQLAlchemy Core
 # SQLAlchemy metadata container for table definitions
 metadata = MetaData()
@@ -35,6 +35,7 @@ telemetry_events = Table(
     Column("kills_per_hour", Float, nullable=True),
     Column("onlinetime", String, nullable=True),
     Column("deaths", Integer, nullable=False),
+    Column("total_deaths", Integer, nullable=True),
     Column("rares_found", Integer, nullable=False),
     Column("prismatic_taper_count", Integer, nullable=False),
     Column("vt_state", String, nullable=True),
@@ -104,6 +105,27 @@ rare_events = Table(
     Column("z", Float, nullable=False),
 )
 
+character_inventories = Table(
+    # Stores complete character inventory snapshots with searchable fields
+    "character_inventories",
+    metadata,
+    Column("id", Integer, primary_key=True),
+    Column("character_name", String, nullable=False, index=True),
+    Column("item_id", BigInteger, nullable=False),
+    Column("timestamp", DateTime(timezone=True), nullable=False),
+    # Extracted searchable fields
+    Column("name", String),
+    Column("icon", Integer),
+    Column("object_class", Integer, index=True),
+    Column("value", Integer, index=True),
+    Column("burden", Integer),
+    Column("has_id_data", Boolean),
+    # Complete item data as JSONB
+    Column("item_data", JSON, nullable=False),
+    # Unique constraint to prevent duplicate items per character
+    UniqueConstraint("character_name", "item_id", name="uq_char_item"),
+)
+
 async def init_db_async():
     """Initialize PostgreSQL/TimescaleDB schema and hypertable.