feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

firmware/echoear-platform-agent/tools/observe-com6-controls.py

@@ -0,0 +1,19 @@
+"""Capture operational metadata only; no voice text, credentials, or network names."""
+import pathlib,re,serial,sys,time,json
+s=serial.Serial();s.port='COM6';s.baudrate=115200;s.timeout=.2;s.dtr=False;s.rts=False;s.open()
+s.write(b'\ndiag-state\n')
+duration=int(sys.argv[1]) if len(sys.argv)>1 else 40
+end=time.monotonic()+duration
+output=[];tags={}
+allow=re.compile(r'(RTC diagnostic:|device_control:|device_ota:|Platform error code:|POST /api/v1/device/(control|mqtt|ota)|Direct chat ready;|Startup task finished|Guru Meditation|Backtrace:|assert failed:|CORRUPT HEAP|Stack canary|Rebooting|esp-tls:|esp_mqtt:|mqtt_client:|Transport failed|Failed to allocate|Failed to create|Cannot allocate|system_api:)')
+while time.monotonic()<end:
+    line=s.readline().decode('utf-8','replace').strip()
+    tag=re.search(r'\) ([A-Za-z_0-9-]+):',line)
+    if tag:tags[tag[1]]=tags.get(tag[1],0)+1
+    if allow.search(line):
+        safe=line[:700];output.append(safe);print(safe,flush=True)
+s.close()
+summary={'seconds':duration,'log_tags':tags,'selected_lines':len(output)}
+print(json.dumps(summary),flush=True)
+path=pathlib.Path('E:/Codex/story/.local-evidence/com6-controls-20260922/serial-controls.log')
+with path.open('a',encoding='utf-8') as f:f.write('\n'.join(output)+'\n'+json.dumps(summary)+'\n')