extension: detect activatable Topstep accounts

Add a popup button that scans the Topstep dashboard's GraphQL API
(crystal.topstep.com) for passed evaluations that can still be
activated into an Express Funded account.

An eval is activatable when its status is "Passed" and its subscription
id is not shared by ANY funded account it ever spawned — regardless of
that funded account's current status, since activation is one-way. The
result and its progress are mirrored to chrome.storage so the popup
renders them independent of the message port (avoids the "message port
closed" error on this ~20s scan). Activatable accounts link to their
Topstep detail page.

Adds https://*.topstep.com/* host permission; bumps to 0.15.0.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

extension/manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 3,
     "name": "AutoFirmer Capture",
-    "version": "0.14.0",
+    "version": "0.15.0",
 
     "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxdbOMRR+58a9dHlbIKtlALtS3E4eltBGqfTnUc0lzJuWj5ZA4+5YFSdUnxv5N1ogxwpJUGkUV3MnKJuZnTekCmsNwjCy41a20Xtc7jQLHrIBZkesB6cB+d0l9Vo8M6EC3ZMD8Iv6MdAalU3GZh1Hn9vm24NjJ+xUT1qNIVHEcNUIb9evYobR/XHv+JAp6bOFnaLM+3wpyYKe4efMhsz0F86u9thRNhQnraTqUWfnKNpsHPK2zivaYHrziEEWX7Y3EsMHkf2FRhkUe7IDoxeJM49DBToTo9sAJUkcgLeGCGZLo7H3mcxyn/zERYR+rD3k5xdeBtjoZHXFx2+FanLb9wIDAQAB",
     "update_url": "https://ext.juicerroom.com/updates.xml",
@@ -11,6 +11,7 @@
     "host_permissions": [
         "https://*.tradeify.co/*",
         "https://*.lucidtrading.com/*",
+        "https://*.topstep.com/*",
         "http://localhost/*",
         "http://127.0.0.1/*"
     ],