Rewrite the runner in TypeScript

action.yml

@@ -7,13 +7,15 @@ inputs:
     required: true
   author-token:
     description: >-
-      Gitea token of the account that commits, pushes, and opens pull requests.
-      The agent sees it as `GITEA_TOKEN`.
+      Gitea token of the account that commits, pushes, and opens pull requests,
+      with the `read:user`, `write:issue`, and `write:repository` scopes. The
+      agent sees it as `GITEA_TOKEN`.
     required: true
   reviewer-token:
     description: >-
       Gitea token of the bot account that posts comments and pull request
-      reviews. Never exposed to the agent, so it must differ from the author.
+      reviews, with the `write:issue` and `write:repository` scopes. Never
+      exposed to the agent, so it must differ from the author.
     required: true
   bot-token:
     description: API key or token for the selected bot
@@ -25,20 +27,18 @@ runs:
     # This step assumes this is `node:24-bookworm` container.
     - name: Install dependencies
       shell: bash
-      run: |
-        apt-get update
-        apt-get install -y --no-install-recommends gettext-base jq ansifilter
-        npm install -g @openai/codex @anthropic-ai/claude-code
+      run: npm install -g @openai/codex @anthropic-ai/claude-code deno
     - name: Run bot
       shell: bash
-      run: bash "${ACTION_PATH}/scripts/run-${{ inputs.bot-type }}.sh"
+      run: deno run -A "${ACTION_PATH}/run.ts"
       env:
         ACTION_PATH: ${{ gitea.action_path }}
+        BOT_TYPE: ${{ inputs.bot-type }}
+        BOT_TOKEN: ${{ inputs.bot-token }}
         GITEA_API_URL: ${{ gitea.api_url }}
         GITEA_REPOSITORY: ${{ gitea.repository }}
         GITEA_TOKEN: ${{ inputs.author-token }}
         REVIEWER_TOKEN: ${{ inputs.reviewer-token }}
-        BOT_TOKEN: ${{ inputs.bot-token }}
         EVENT_NAME: ${{ gitea.event_name }}
         ISSUE_INDEX: ${{ gitea.event.issue.number || gitea.event.pull_request.number }}
         COMMENT: ${{ toJSON(gitea.event.comment || gitea.event.review) }}