fix: decode org context from jwt payload robustly

Add base64 padding before atob when parsing token payload so current_org_id extraction no longer fails intermittently and loops users back to org select.

Made-with: Cursor

src/main.ts

@@ -46,8 +46,9 @@ const parseCurrentOrgIdFromToken = (token: string | null): string | undefined =>
         const tokenParts = token.split('.');
         if (tokenParts.length < 2) return undefined;
         const payloadRaw = tokenParts[1].replace(/-/g, '+').replace(/_/g, '/');
+        const payloadRawWithPadding = payloadRaw.padEnd(Math.ceil(payloadRaw.length / 4) * 4, '=');
         const payloadJson = decodeURIComponent(
-            atob(payloadRaw)
+            atob(payloadRawWithPadding)
                 .split('')
                 .map((char) => `%${(`00${char.charCodeAt(0).toString(16)}`).slice(-2)}`)
                 .join('')

src/store/user.ts

@@ -66,8 +66,9 @@ function parseCurrentOrgIdFromToken(token: string | null): string | undefined {
         const tokenParts = token.split('.');
         if (tokenParts.length < 2) return undefined;
         const payloadRaw = tokenParts[1].replace(/-/g, '+').replace(/_/g, '/');
+        const payloadRawWithPadding = payloadRaw.padEnd(Math.ceil(payloadRaw.length / 4) * 4, '=');
         const payloadJson = decodeURIComponent(
-            atob(payloadRaw)
+            atob(payloadRawWithPadding)
                 .split('')
                 .map((char) => `%${(`00${char.charCodeAt(0).toString(16)}`).slice(-2)}`)
                 .join('')