Version 1.2.2. Added usage overview. Shows token used and cost in $.

server/database.py

@@ -465,6 +465,29 @@ _MIGRATIONS: list[list[str]] = [
     [
         "ALTER TABLE webhook_targets ADD COLUMN IF NOT EXISTS owner_user_id TEXT REFERENCES users(id) ON DELETE CASCADE",
     ],
+    # v28 — Browser trusted domains (per-user interaction pre-approval)
+    [
+        """
+        CREATE TABLE IF NOT EXISTS browser_approved_domains (
+            id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+            owner_user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+            domain      TEXT NOT NULL,
+            note        TEXT,
+            created_at  TIMESTAMPTZ DEFAULT NOW(),
+            UNIQUE (owner_user_id, domain)
+        )
+        """,
+    ],
+    # v29 — Track model per agent run for usage/cost overview
+    [
+        "ALTER TABLE agent_runs ADD COLUMN IF NOT EXISTS model TEXT",
+    ],
+    # v30 — Track token usage and cost per chat conversation
+    [
+        "ALTER TABLE conversations ADD COLUMN IF NOT EXISTS input_tokens  INTEGER NOT NULL DEFAULT 0",
+        "ALTER TABLE conversations ADD COLUMN IF NOT EXISTS output_tokens INTEGER NOT NULL DEFAULT 0",
+        "ALTER TABLE conversations ADD COLUMN IF NOT EXISTS cost_usd      REAL",
+    ],
 ]
 
 
@@ -821,7 +844,15 @@ filesystem_whitelist_store = FilesystemWhitelistStore()
 # ─── Initialisation ───────────────────────────────────────────────────────────
 
 async def _init_connection(conn: asyncpg.Connection) -> None:
-    """Register codecs on every new connection so asyncpg handles JSONB ↔ dict."""
+    """
+    Register codecs on every new connection so asyncpg handles JSONB ↔ dict automatically.
+
+    Critical: asyncpg does NOT auto-serialize Python dicts to PostgreSQL JSONB.
+    Without this, inserting a dict into a JSONB column raises:
+        asyncpg.exceptions.UnsupportedClientFeatureError: ...
+    The codecs must be registered on every connection (not just once on the pool),
+    which is why this is passed as `init=` to create_pool().
+    """
     await conn.set_type_codec(
         "jsonb",
         encoder=json.dumps,