Initial commit — DRB client (edge node) stack

Includes edge-node (FastAPI/MQTT/Discord voice), op25-container (SDR decoder),
and icecast (audio streaming).

drb-edge-node/app/routers/api.py

@@ -0,0 +1,82 @@
+from fastapi import APIRouter, HTTPException
+from app.config import settings
+from app.models import SystemConfig
+from app.internal.op25_client import op25_client
+from app.internal.config_manager import load_node_config, save_node_config, apply_system_config
+from app.internal.call_recorder import call_recorder
+from app.internal.discord_radio import radio_bot
+from app.internal.metadata_watcher import metadata_watcher
+
+router = APIRouter(prefix="/api", tags=["api"])
+
+
+@router.get("/status")
+async def get_status():
+    node_cfg = load_node_config()
+    op25_status = await op25_client.status()
+    return {
+        "node_id": settings.node_id,
+        "node_name": settings.node_name,
+        "lat": settings.node_lat,
+        "lon": settings.node_lon,
+        "configured": node_cfg.configured,
+        "assigned_system_id": node_cfg.assigned_system_id,
+        "is_recording": call_recorder.is_recording,
+        "active_tgid": metadata_watcher.current_tgid,
+        "active_call_id": metadata_watcher.active_call_id,
+        "discord_connected": radio_bot.is_connected,
+        "icecast_url": (
+            f"http://{settings.icecast_host}:{settings.icecast_port}{settings.icecast_mount}"
+        ),
+        "op25": op25_status,
+    }
+
+
+@router.post("/op25/start")
+async def start_op25():
+    ok = await op25_client.start()
+    if not ok:
+        raise HTTPException(500, "Failed to start OP25")
+    return {"ok": True}
+
+
+@router.post("/op25/stop")
+async def stop_op25():
+    ok = await op25_client.stop()
+    if not ok:
+        raise HTTPException(500, "Failed to stop OP25")
+    return {"ok": True}
+
+
+@router.get("/config")
+async def get_config():
+    return load_node_config()
+
+
+@router.post("/config/system")
+async def set_system_config(config: SystemConfig):
+    """
+    Apply a system config locally — called by the web UI or pushed by C2.
+    Writes the OP25 config and persists the node config.
+    """
+    node_cfg = load_node_config()
+    node_cfg.assigned_system_id = config.system_id
+    node_cfg.system_config = config
+    node_cfg.configured = True
+    save_node_config(node_cfg)
+    apply_system_config(config)
+    return {"ok": True}
+
+
+@router.post("/discord/join")
+async def discord_join(guild_id: int, channel_id: int):
+    ok = await radio_bot.join(guild_id, channel_id)
+    if not ok:
+        raise HTTPException(500, "Failed to join voice channel")
+    return {"ok": True}
+
+
+@router.post("/discord/leave")
+async def discord_leave():
+    await radio_bot.leave()
+    return {"ok": True}