feat: Mobile settings screen (#34) (#101)

artifacts/mobile/scripts/build.js

@@ -1,6 +1,6 @@
 const fs = require("fs");
 const path = require("path");
-const { spawn } = require("child_process");
+const { spawn, execSync } = require("child_process");
 const { Readable } = require("stream");
 const { pipeline } = require("stream/promises");
 
@@ -127,6 +127,15 @@ function getExpoPublicReplId() {
   return process.env.REPL_ID || process.env.EXPO_PUBLIC_REPL_ID;
 }
 
+function getGitSha() {
+  try {
+    return execSync("git rev-parse HEAD", { cwd: workspaceRoot }).toString().trim();
+  } catch (error) {
+    console.warn("Could not get git commit hash:", error.message);
+    return "unknown";
+  }
+}
+
 async function startMetro(expoPublicDomain, expoPublicReplId) {
   const isRunning = await checkMetroHealth();
   if (isRunning) {
@@ -136,10 +145,12 @@ async function startMetro(expoPublicDomain, expoPublicReplId) {
 
   console.log("Starting Metro...");
   console.log(`Setting EXPO_PUBLIC_DOMAIN=${expoPublicDomain}`);
+  const gitSha = getGitSha();
   const env = {
     ...process.env,
     EXPO_PUBLIC_DOMAIN: expoPublicDomain,
     EXPO_PUBLIC_REPL_ID: expoPublicReplId,
+    EXPO_PUBLIC_GIT_SHA: gitSha,
   };
 
   if (expoPublicReplId) {