house/son: placeholder config for son's installation

All house-specific values (IPs, coordinates, Viessmann credentials, kWp)
replaced with <...> placeholders. Ready to fill in once hardware is known.
Notable differences from house/lutz template:
- installation_id left empty (disables WW boost until credentials obtained)
- base_load_w set to 400W (adjust after measuring)
- forecast lat/lon/declination/azimuth/kwp all require local values

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

configs/ems-config.yaml

@@ -1,10 +1,11 @@
-# EMS Configuration
+# EMS Configuration — house/son
+# Fill in all values marked with <...> before deploying.
 # All thresholds and timing parameters are configurable here.
 
 prometheus:
-  url: "http://192.168.0.23:9090"
+  url: "http://<prometheus-ip>:9090"
 
-  # Metric names from the custom Viessmann exporter
+  # Metric names from the custom Viessmann exporter (same as house/lutz)
   metrics:
     grid_power_exchange: "pcc_transfer_power_exchange_value"   # positive = import, negative = export
     battery_soc: "ess_stateOfCharge_value"                     # 0-100%
@@ -19,32 +20,33 @@ prometheus:
 # Shelly actuators
 shelly:
   sg_ready:
-    ip: "192.168.42.90"
+    ip: "<shelly-sg-ready-ip>"
     gen: 1                  # Gen1: /relay/0?turn=on|off
   wallbox_a:
-    ip: "192.168.42.185"
+    ip: "<shelly-wallbox-a-ip>"
     gen: 2                  # Gen2: /rpc/Switch.Set
-    power_w: 2000
+    power_w: 2000           # rated power of the wallbox (W)
     password: ""            # set Shelly admin password if auth is enabled
   wallbox_b:
-    ip: "192.168.42.51"
+    ip: "<shelly-wallbox-b-ip>"
     gen: 2                  # Gen2: /rpc/Switch.Set
-    power_w: 4000
+    power_w: 4000           # rated power of the wallbox (W)
     password: ""            # set Shelly admin password if auth is enabled
 
 # Viessmann API (write access for WW temperature)
+# Leave installation_id empty to disable WW boost (EMS runs without it)
 viessmann:
   token_file: "/etc/ems/viessmann-token.json"  # OAuth2 refresh token
-  client_id: "5d1235548dfaa01ce37db8f865d2df4d"
-  installation_id: "1253124"
-  gateway_serial: "7637415006796210"
+  client_id: "<viessmann-oauth2-client-id>"
+  installation_id: ""       # leave empty to disable WW boost
+  gateway_serial: "<gateway-serial>"
   device_id: "0"
 
 # SOC thresholds — which consumers are allowed at which battery level
 soc_thresholds:
   block_all: 50            # below 50%: no consumers
   sg_ready_only: 70        # 50-70%: only SG-Ready (heating period)
-  plus_wallbox_a: 90       # 70-90%: + Wallbox A (2kW)
+  plus_wallbox_a: 90       # 70-90%: + Wallbox A
   all_consumers: 90        # above 90%: all consumers
 
 # Hysteresis settings
@@ -68,7 +70,7 @@ thresholds:
 strategic:
   forecast_high_kwh: 25
   forecast_mid_kwh: 15
-  ww_base_c: 48                  # normal WW setpoint (°C)
+  ww_base_c: 48                  # normal WW setpoint (°C) — adjust to your heat pump
   ww_boost_high_c: 5             # +5°C on high-forecast days (>25 kWh)
   ww_boost_mid_c: 3              # +3°C on medium-forecast days (>15 kWh)
   ww_window_start: "12:30"       # WW boost only allowed from 12:30
@@ -91,16 +93,16 @@ season:
 # PV forecast — forecast.solar (free, no API key required)
 forecast:
   enabled: true
-  lat: 48.7839
-  lon: 9.3889
-  declination: 20           # panel tilt in degrees
-  azimuth: 5                # degrees from south (south=0, west=90, east=-90)
-  kwp: 7.0                  # installed peak power
+  lat: <latitude>            # decimal degrees, e.g. 48.7839
+  lon: <longitude>           # decimal degrees, e.g. 9.3889
+  declination: <tilt>        # panel tilt in degrees from horizontal (0=flat, 90=vertical)
+  azimuth: <azimuth>         # degrees from south (south=0, west=90, east=-90)
+  kwp: <kwp>                 # installed peak power in kWp, e.g. 8.5
   fetch_interval: "4h"       # re-fetch during the day (free tier: 12 req/day → 3 fetches)
   fetch_window_start: "07:00"
   fetch_window_end: "19:00"
-  base_load_w: 450          # steady-state house consumption (W) — spikes from kettle/dishwasher are hourly averages and negligible
-  min_surplus_w: 1800       # min export surplus to trigger wallbox — matches wallbox_a threshold
+  base_load_w: 400           # steady-state house consumption (W) — measure and adjust
+  min_surplus_w: 1800        # min export surplus to trigger wallbox charging (W)
 
 # EMS operational settings
 ems: