init

app/services/config_service.py

@@ -0,0 +1,52 @@
+"""
+app/services/config_service.py
+Read and write runtime settings stored in the SQLite settings table.
+"""
+
+from __future__ import annotations
+
+import logging
+
+from app.database import get_conn, get_write_conn
+from app.models import ConfigResponse
+
+logger = logging.getLogger(__name__)
+
+_SETTING_KEYS = {"default_wait_seconds", "default_empty_response", "agent_stale_after_seconds"}
+
+
+def get_config() -> ConfigResponse:
+    with get_conn() as conn:
+        rows = conn.execute("SELECT key, value FROM settings").fetchall()
+    data = {r["key"]: r["value"] for r in rows}
+    return ConfigResponse(
+        default_wait_seconds=int(data.get("default_wait_seconds", 10)),
+        default_empty_response=data.get("default_empty_response", ""),
+        agent_stale_after_seconds=int(data.get("agent_stale_after_seconds", 30)),
+    )
+
+
+def update_config(
+    default_wait_seconds: int | None = None,
+    default_empty_response: str | None = None,
+    agent_stale_after_seconds: int | None = None,
+) -> ConfigResponse:
+    updates: dict[str, str] = {}
+    if default_wait_seconds is not None:
+        updates["default_wait_seconds"] = str(default_wait_seconds)
+    if default_empty_response is not None:
+        updates["default_empty_response"] = default_empty_response
+    if agent_stale_after_seconds is not None:
+        updates["agent_stale_after_seconds"] = str(agent_stale_after_seconds)
+
+    if updates:
+        with get_write_conn() as conn:
+            for key, value in updates.items():
+                conn.execute(
+                    "INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)",
+                    (key, value),
+                )
+        logger.info("Config updated: %s", list(updates.keys()))
+
+    return get_config()
+