[gobby-cli-#907] chore: untrack gobby-wiki vault on main; publish via pre-push

Mirror of the dev untrack: blanket-ignore gobby-wiki/, add .githooks/pre-push, drop 595 tracked vault files. Working copies preserved; vault lives on origin/wiki.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: Josh Wilhelmi

.githooks/pre-push

@@ -0,0 +1,44 @@
+#!/bin/sh
+# Publish the codewiki vault to the `wiki` branch whenever `main` is pushed.
+#
+# The vault lives at gobby-wiki/ (gitignored on dev/main) and is checked out as a
+# sibling worktree on the `wiki` branch. This hook mirrors the working copy into
+# that worktree, commits, and pushes origin/wiki. It is best-effort: any failure
+# is reported but never blocks the push to main (exit 0).
+#
+# One-time setup per clone:
+#   git config core.hooksPath .githooks
+#   git worktree add ../gobby-cli-wiki wiki   # the publish target
+set -u
+
+repo_root=$(git rev-parse --show-toplevel) || exit 0
+wt="$repo_root/../gobby-cli-wiki"
+
+publish() {
+	if [ ! -e "$wt/.git" ]; then
+		echo "pre-push: wiki worktree not found at $wt — skipping vault publish" >&2
+		echo "pre-push: create it with 'git worktree add $wt wiki'" >&2
+		return 0
+	fi
+	if [ ! -d "$repo_root/gobby-wiki" ]; then
+		echo "pre-push: no gobby-wiki/ to publish — skipping" >&2
+		return 0
+	fi
+	rsync -a --delete --exclude '.git' "$repo_root/gobby-wiki/" "$wt/gobby-wiki/" || return 0
+	git -C "$wt" add -A
+	if git -C "$wt" diff --cached --quiet; then
+		echo "pre-push: vault unchanged — nothing to publish" >&2
+		return 0
+	fi
+	git -C "$wt" commit -q -m "vault: sync from $(git -C "$repo_root" rev-parse --short HEAD)"
+	git -C "$wt" push -q origin HEAD:wiki || echo "pre-push: vault publish push failed (non-fatal)" >&2
+}
+
+# stdin: <local_ref> <local_sha> <remote_ref> <remote_sha> per ref being pushed
+while read -r local_ref local_sha remote_ref remote_sha; do
+	case "$remote_ref" in
+	refs/heads/main) publish ;;
+	esac
+done
+
+exit 0

.gitignore

@@ -13,16 +13,7 @@
 !.gobby/plans/coverage/
 !.gobby/plans/coverage/**
 !.gobby/plans/gwiki-parity-plus.md
-gobby-wiki/_meta/**
-gobby-wiki/**/*.lock
-
-# Obsidian vault config: ignore personal/local state by default.
-gobby-wiki/.obsidian/*
-!gobby-wiki/.obsidian/
-!gobby-wiki/.obsidian/app.json
-!gobby-wiki/.obsidian/appearance.json
-!gobby-wiki/.obsidian/core-plugins.json
-!gobby-wiki/.obsidian/hotkeys.json
-!gobby-wiki/.obsidian/snippets/
-!gobby-wiki/.obsidian/snippets/**
+# Codewiki vault lives on the `wiki` branch (republished by .githooks/pre-push on
+# pushes to main); kept untracked here so it stays out of dev/main everyday diffs.
+gobby-wiki/
 .playwright/