reply-to-pr-conversation

# Reply to PR Conversation Draft a single reply that addresses a processed issue-comment list, confirm with the user, and post it as a new PR issue comment. ## Step 1: Run `/github-voice` Skill Run the `/github-voice` skill to load voice rules and the insider-vs-outsider detection. ## Step 2: Compose the Reply Use the processed-item list from conversation context. Each entry has: id, author, original comment body (to quote from selectively), category (`fix`, `skip`, `answer`, or `clarify`), and per-category payload. Draft one reply that addresses every item as natural conversational prose. The output is a single piece of prose with flexible length and no rigid section structure. **Use the category to interpret each payload:** - **fix**: payload is a commit SHA. Mention "fixed in `<sha>`" where it fits the flow, plus a brief note when the fix diverges from what the commenter suggested. - **skip**: payload is the skip reasoning. State it directly. - **answer**: payload is answer text prepared upstream. Integrate it as the implementer's own words. - **clarify**: payload is a user-directed question. Ask it as-is. **Quote selectively.** Use `>` blockquotes only for the phrase being responded to. A single-topic reply quotes one sentence then responds; a multi-topic reply weaves quotes and responses together. Drop quotes entirely when @mentions plus context make the reply unambiguous. **Quote handling:** - Strip leading `>` from quoted lines so nested blockquotes don't mi...