Update build process

CLAUDE.md

@@ -13,8 +13,8 @@ Build toolchain: AGP 9.2.1, Gradle 9 (nixpkgs 26.05), build-tools 36, compileSdk
 This is a lab project (`lab` skill conventions apply) EXCEPT:
 
 - No container image, no helm chart, no /livez//readyz — artifact is an APK.
-- No `nix build`: gradle needs network for Maven deps. The flake is a dev
-  shell only. All builds run as `nix develop --command gradle ...`.
+- No `nix build`: gradle needs network for Maven deps. Builds run via devshell
+  or `nix run` (see Commands below).
 - Agents cannot run nix/gradle/adb here — ask the user to run commands
   and report output.
 
@@ -29,11 +29,13 @@ post-25.11). No file rewriting; `gradle.properties` stays untouched.
 
 ## Commands (user-run, from repo root, direnv activates devshell)
 
-- Tests:        `gradle --no-daemon :app:test`
-- All APKs:     `gradle --no-daemon :app:assembleRelease`
+- Tests:             `gradle --no-daemon :app:test`
+- All APKs:          `gradle --no-daemon :app:assembleRelease`
   → `app/build/outputs/apk/<flavor>/release/<flavor>-release.apk`
-- Single APK:   `gradle --no-daemon :app:assembleWeatherRelease`
-- Deploy all:   `tv-deploy` — connects, installs all flavor APKs, disconnects
+- Single APK:        `gradle --no-daemon :app:assembleWeatherRelease`
+- Build + deploy:    `nix run` or `tv-deploy` (after manual build)
+- Build only:        `nix run .#build`
+- Deploy only:       `nix run .#deploy` or `tv-deploy` (in devshell)
   (bump `versionCode` in app/build.gradle.kts first for upgrades)
 - Fresh install: `adb connect $TV_IP:5555 && adb uninstall cz.c3c.webviewkiosk.<flavor> && adb install app/build/outputs/apk/<flavor>/release/<flavor>-release.apk`