Trigger HELPERBOT brain update after Pages deploy#595
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Adds a notify job that runs after the github-pages deploy succeeds and sends a repository_dispatch event to comcode-org/discord with type wiki-updated. The discord repo's "Update HELPERBOT brain" workflow listens for that event, rebuilds the wiki and pushes a fresh flattened brain to the HELPERBOT OpenAI assistant. Uses peter-evans/repository-dispatch pinned to v4.0.1 (28959ce8df70de7be546dd1250a005dd32156697). Authenticates with a fine-grained PAT stored as DISCORD_DISPATCH_TOKEN secret on this repo, scoped to actions:write on comcode-org/discord only. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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new action usage reviewed and approved. |
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Problem
When the wiki is published via GitHub Pages, HELPERBOT's brain content stays whatever it was -- there's no mechanism to refresh the OpenAI assistant's vector store with the new content. We added an automated workflow on `comcode-org/discord` that does the rebuild + flatten + push, but it currently only runs on manual `workflow_dispatch`. We want a successful wiki publish to fire it automatically.
Context
Adds a `notify` job that runs after the `deploy` job succeeds and sends a `repository_dispatch` event to `comcode-org/discord` with event type `wiki-updated`. The discord repo's `Update HELPERBOT brain` workflow already listens for that event (landed on its main as of comcode-org/discord#87) and refreshes the assistant.
Uses `peter-evans/repository-dispatch` pinned to v4.0.1 (`28959ce8df70de7be546dd1250a005dd32156697`). The action is ~30 lines of TS, MIT-licensed, ~1.2k stars, last released 2025-11-14, depends only on `@actions/core` and `@actions/github`. It does exactly one thing: calls `octokit.rest.repos.createDispatchEvent`.
Auth uses a fine-grained PAT stored as `DISCORD_DISPATCH_TOKEN` on this repo, scoped to `actions:write` on `comcode-org/discord` only.
Test plan after merge:
```
gh workflow run "Deploy Docusaurus site to GitHub Pages" --repo comcode-org/hackmud_wiki
```
```
gh run list --repo comcode-org/discord --workflow "Update HELPERBOT brain" --limit 1
```
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