feat(docs): save chat answers as docs — edit screen, commit + push to the .env docs branch

.env.example

@@ -82,6 +82,16 @@ BOR_IMPORT_EXTENSIONS=md,markdown,txt,yaml,yml,json,py,container,network,volume,
 # BOR_UPLOAD_MAX_MB=512   # caps BOTH the compressed upload and the total
                           # extracted bytes (zip-bomb guard); must be > 0
 
+# --- Docs push (phase 59: save a chat answer as documentation) ---
+# The git repo chat answers can be committed to — any remote (URL or
+# local path). While empty, the "Save as doc" action is hidden and the
+# push endpoint 409s. Commits land on BOR_DOCS_BRANCH (push --ff-only);
+# open the PR yourself.
+# BOR_DOCS_REPO=/path/to/docs-repo
+# BOR_DOCS_BRANCH=bor-docs
+# BOR_DOCS_BASE_BRANCH=main
+# BOR_DOCS_WORK_DIR=~/bor-docs
+
 # --- Admin & sign-in (single-admin password login; BOTH required) ---
 # The app refuses to start while either is empty (names the missing
 # variable(s) — README "Admin & sign-in"). Generate the secret with: