Mac: Run from Source Not Working - "We encountered a problem with your local email database."

Hi all! Love this project, but I am unable to run from source using the exact instructions on the README.

I am on an M2 Macbook Pro, and did a completely clean install as follows:

export npm_config_arch=x64 # If you are on an M1 / Apple Silicon Mac
npm install
npm start

I get the following error popup:

We encountered a problem with your local email database. We will now attempt to rebuild it.

Error: dlopen(/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node, 0x0001): tried: '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/System/Volumes/Preboot/Cryptexes/OS/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (no such file), '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64'))

Here is my complete terminal output:

scott@aiur mailspring % npm start

> mailspring-root@0.0.1 start
> electron ./app --enable-logging --dev

2024-02-21 15:26:58.858 Electron[10519:105405] WARNING: Secure coding is not enabled for restorable state! Enable secure coding by implementing NSApplicationDelegate.applicationSupportsSecureRestorableState: and returning YES.
Running database migrations
App load time: 3292ms

{"error":null}
Error Downloading Update: Could not get code signature for running application
Error Downloading Update: Could not get code signature for running application
Error: dlopen(/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node, 0x0001): tried: '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/System/Volumes/Preboot/Cryptexes/OS/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (no such file), '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64'))
    at process.func [as dlopen] (node:electron/js2c/asar_bundle:2:1869)
    at Object.Module._extensions..node (node:internal/modules/cjs/loader:1226:18)
    at Object.func [as .node] (node:electron/js2c/asar_bundle:2:1869)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at bindings (/Users/scott/dev/spellbook/mailspring/app/node_modules/bindings/bindings.js:112:48)
    at new Database (/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/lib/database.js:48:64)
    at openDatabase (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/stores/database-store.ts:53:16)
    at DatabaseStore.open (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/stores/database-store.ts:149:22)
    at new DatabaseStore (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/stores/database-store.ts:144:12)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/stores/database-store.ts:532:16)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/stores/database-store.ts:532:36)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Object.value [as .ts] (/Users/scott/dev/spellbook/mailspring/app/src/compile-cache.js:145:21)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/models/query-subscription.ts:1:1)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/models/query-subscription.ts:330:2)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Object.value [as .ts] (/Users/scott/dev/spellbook/mailspring/app/src/compile-cache.js:145:21)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/models/query-subscription-pool.ts:2:1)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/flux/models/query-subscription-pool.ts:119:21)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Object.value [as .ts] (/Users/scott/dev/spellbook/mailspring/app/src/compile-cache.js:145:21)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/global/mailspring-observables.ts:4:1)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/global/mailspring-observables.ts:171:3)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Object.value [as .ts] (/Users/scott/dev/spellbook/mailspring/app/src/compile-cache.js:145:21)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at new AppEnvConstructor (file:///Users/scott/dev/spellbook/mailspring/app/src/app-env.ts:116:5)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/secondary-window-bootstrap.ts:30:17)
    at Object.<anonymous> (file:///Users/scott/dev/spellbook/mailspring/app/src/secondary-window-bootstrap.ts:38:49)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Object.value [as .ts] (/Users/scott/dev/spellbook/mailspring/app/src/compile-cache.js:145:21)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at Function.f._load (node:electron/js2c/asar_bundle:2:13377)
    at Function.o._load (node:electron/js2c/renderer_init:2:3109)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at setupWindow (file:///Users/scott/dev/spellbook/mailspring/app/static/index.js:48:3)
    at window.onload (file:///Users/scott/dev/spellbook/mailspring/app/static/index.js:69:5) {
  code: 'ERR_DLOPEN_FAILED'
} {}
[10519:0221/152701.102763:INFO:CONSOLE(99)] "Error: dlopen(/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node, 0x0001): tried: '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/System/Volumes/Preboot/Cryptexes/OS/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (no such file), '/Users/scott/dev/spellbook/mailspring/app/node_modules/better-sqlite3/build/Release/better_sqlite3.node' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')) [object Object]", source: /Users/scott/dev/spellbook/mailspring/app/src/error-logger.js (99)

Does anyone have any suggestions on how I can get up-and-running from source?