feat: Intel BT firmware download, A2dp & Bluetooth audio progress

programs/GNUmakefile

@@ -78,6 +78,12 @@ WWWDST := $(patsubst $(WWWDIR)/%,$(BINDIR)/www/%,$(WWWSRC))
 # CA certificate bundle.
 CA_CERTS := $(BINDIR)/os/certs/ca-certificates.crt
 
+# Device firmware blobs (e.g. Intel Bluetooth ibt-*.sfi/.ddc) bundled into
+# bin/os/firmware/ so the kernel can load them from the ramdisk at runtime.
+FWDIR := data/firmware
+FWSRC := $(shell find $(FWDIR) -type f 2>/dev/null)
+FWDST := $(patsubst $(FWDIR)/%,$(BINDIR)/os/firmware/%,$(FWSRC))
+
 # System config TOML files bundled into bin/config/.
 CONFIGDIR := data/config
 CONFIGSRC := $(wildcard $(CONFIGDIR)/*.toml)
@@ -85,7 +91,7 @@ CONFIGDST := $(patsubst $(CONFIGDIR)/%,$(BINDIR)/config/%,$(CONFIGSRC))
 
 .PHONY: all clean 2048 doom fetch wiki wikipedia weather imageviewer fontpreview spreadsheet wordprocessor pdfviewer disks devexplorer installer audio music video bluetooth network terminal klog procmgr calculator login desktop shell rpgdemo paint tcc lua screenshot texteditor mandelbrot printers timezone printd printctl dialogs icons fonts configs bearssl libc tls libjpeg libjpegwrite install-apps libloader libs libhello test_dialogs test_dl crashpad
 
-all: bearssl libc libjpeg libjpegwrite tls libloader libs libhello $(TARGETS) fetch wiki wikipedia weather imageviewer fontpreview spreadsheet wordprocessor pdfviewer disks devexplorer installer audio music video bluetooth network terminal klog procmgr calculator 2048 doom rpgdemo paint tcc lua screenshot texteditor mandelbrot printers timezone printd printctl dialogs login desktop shell icons fonts install-apps test_dialogs test_dl crashpad $(MANDST) $(WWWDST) $(CA_CERTS) $(CONFIGDST)
+all: bearssl libc libjpeg libjpegwrite tls libloader libs libhello $(TARGETS) fetch wiki wikipedia weather imageviewer fontpreview spreadsheet wordprocessor pdfviewer disks devexplorer installer audio music video bluetooth network terminal klog procmgr calculator 2048 doom rpgdemo paint tcc lua screenshot texteditor mandelbrot printers timezone printd printctl dialogs login desktop shell icons fonts install-apps test_dialogs test_dl crashpad $(MANDST) $(WWWDST) $(CA_CERTS) $(CONFIGDST) $(FWDST)
 
 # Build BearSSL static library (cross-compiled for freestanding x86_64).
 BEARSSL_INCLUDES := -isystem $(shell cd .. && pwd)/kernel/freestnd-c-hdrs/x86_64/include -isystem $(abspath include/libc)
@@ -328,6 +334,11 @@ $(CA_CERTS): data/ca-certificates.crt
 	mkdir -p $(BINDIR)/os/certs
 	cp $< $@
 
+# Copy device firmware blobs into bin/os/firmware/ (preserving subdirs).
+$(BINDIR)/os/firmware/%: $(FWDIR)/%
+	mkdir -p $(dir $@)
+	cp $< $@
+
 # Copy system config files into bin/config/.
 $(BINDIR)/config/%: $(CONFIGDIR)/%
 	mkdir -p $(BINDIR)/config