From 6a148840632c22cf29ae000ebd111b4b1aefd8a2 Mon Sep 17 00:00:00 2001
From: Shawn <shawn@ourpad.casa>
Date: Sun, 14 Jun 2026 12:50:53 -0400
Subject: [PATCH] fix: add leds+midi to WebServerDeps, runtime apply for
 brightness (LED set_brightness) and channel_mode (pipeline routing_mode)

---
 main.py           |  2 ++
 src/web/server.py | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/main.py b/main.py
index 05ea0e3..a3d56d8 100644
--- a/main.py
+++ b/main.py
@@ -271,6 +271,8 @@ class PedalApp:
                         jack_audio=self.jack_audio,
                         config=self._config,
                         config_path=self._config_path,
+                        leds=self.leds,
+                        midi=self.midi,
                     ),
                     host="0.0.0.0",
                     port=8080,
diff --git a/src/web/server.py b/src/web/server.py
index 2b380d4..eb22af8 100644
--- a/src/web/server.py
+++ b/src/web/server.py
@@ -43,6 +43,8 @@ from ..system.tonedownload import (
 )
 from ..system.audio import AudioSystem, JackAudioClient, LATENCY_PROFILES
 from ..system.config import save_config
+from ..ui.leds import LEDController
+from ..midi.handler import MIDIHandler
 
 logger = logging.getLogger(__name__)
 
@@ -212,6 +214,10 @@ class WebServerDeps:
     config: Optional[dict] = None
     config_path: Optional[Path] = None
 
+    # Runtime subsystems (for live apply of settings changes)
+    leds: Optional[LEDController] = None
+    midi: Optional[MIDIHandler] = None
+
     @property
     def is_connected(self) -> bool:
         """True if we're wired to a live pedal instance (any channel)."""
@@ -1584,6 +1590,24 @@ class WebServer:
             save_config(cfg, self.deps.config_path)
             logger.info("Settings saved: %d keys from %s", n_saved, data)
 
+            # ── Runtime apply for live-updatable settings ──────────
+            if "brightness" in data and self.deps.leds is not None:
+                try:
+                    bv = data["brightness"]
+                    if isinstance(bv, (int, float)) and bv >= 1:
+                        bv = bv / 10.0
+                    self.deps.leds.set_brightness(float(bv))
+                except Exception as e:
+                    logger.warning("Failed to apply brightness: %s", e)
+
+            if "channel_mode" in data and self.deps.pipeline is not None:
+                try:
+                    mode = str(data["channel_mode"])
+                    self.deps.pipeline.routing_mode = "4cm" if mode == "stereo_4cm" else "mono"
+                    logger.info("Pipeline routing_mode set to %s", self.deps.pipeline.routing_mode)
+                except Exception as e:
+                    logger.warning("Failed to apply channel_mode: %s", e)
+
             return {"ok": True, "saved": n_saved}
 
         # ── FX block param schemas ───────────────────────────────