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.

migrations/000061_phone_password.up.sql

@@ -0,0 +1,14 @@
+BEGIN;
+CREATE TABLE customer_phone_credential (
+ phone_digest char(64) PRIMARY KEY,
+ phone_masked text NOT NULL,
+ issuer text NOT NULL,
+ subject text NOT NULL,
+ password_hash text,
+ created_at timestamptz NOT NULL DEFAULT now(),
+ updated_at timestamptz NOT NULL DEFAULT now(),
+ UNIQUE(issuer,subject)
+);
+ALTER TABLE onboarding_account_session ADD COLUMN phone_digest char(64) REFERENCES customer_phone_credential(phone_digest);
+ALTER TABLE onboarding_account_session ADD COLUMN phone_verified_at timestamptz;
+COMMIT;