Fix habits plugin: handle undefined commits and missing author property

- Filter out null/undefined commits from payload.commits
- Add safety check for missing author property
- Prevents 'Cannot destructure property author of undefined' error

Author: dkhokhlov

source/plugins/habits/index.mjs

@@ -47,8 +47,13 @@ export default async function({login, data, rest, imports, q, account}, {enabled
     const patches = [
       ...await Promise.allSettled(
         commits
-          .flatMap(({payload}) => payload.commits)
-          .filter(({author}) => data.shared["commits.authoring"].filter(authoring => author?.login?.toLocaleLowerCase().includes(authoring) || author?.email?.toLocaleLowerCase().includes(authoring) || author?.name?.toLocaleLowerCase().includes(authoring)).length)
+          .flatMap(({payload}) => payload?.commits ?? [])
+          .filter(commit => commit != null) // Filter out null/undefined commits
+          .filter(({author}) => {
+            // Handle missing author property
+            if (!author) return false
+            return data.shared["commits.authoring"].filter(authoring => author?.login?.toLocaleLowerCase().includes(authoring) || author?.email?.toLocaleLowerCase().includes(authoring) || author?.name?.toLocaleLowerCase().includes(authoring)).length
+          })
           .map(async commit => (await rest.request(commit)).data.files),
       ),
     ]