fix(antigravity): single render path, README covers live-verified 1.2.12

Deduplicate the rule body into one render_rule function so the /dev/stdout and atomic file paths cannot drift. README verified-versions line now includes agy 1.2.12, confirmed live: plugin install preserves the rule byte-for-byte, the rule loads at session start (probe + empty-profile control), and the exact acceptance prompt auto-triggers brainstorming.
aimansour · Sep 20, 2026 · Sep 20, 2026 · Sep 20, 2026 · Sep 20, 2026 · Sep 20, 2026
commit 353e662bdbf3da1afc205d10eebc25afee2ac78c
diff --git a/README.md b/README.md
@@ -103,7 +103,8 @@ git clone https://github.com/obra/superpowers.git .agents/plugins/superpowers
 All three surfaces load the plugin's always-on rule, which contains the
 `using-superpowers` bootstrap and Antigravity tool mapping. The rule is generated
 from their canonical files so both reach the model from the first message.
-Verified on Antigravity CLI (`agy`) 1.2.7, Antigravity 2.0 2.15.0, and IDE 2.5.5.
+Verified on Antigravity CLI (`agy`) 1.2.7 and 1.2.12, Antigravity 2.0 2.15.0,
+and IDE 2.5.5.
 Update the plugin directory to receive changes; for CLI, rerun
 `agy plugin install ./superpowers` afterward.
 

diff --git a/scripts/generate-antigravity-rule.sh b/scripts/generate-antigravity-rule.sh
@@ -11,9 +11,8 @@ for src in "$SKILL_SRC" "$MAP_SRC"; do
   test -r "$src" || { echo "FAIL: bootstrap source is missing or unreadable: $src" >&2; exit 1; }
 done
 
-if [[ "$OUTPUT" == /dev/* ]]; then
-  {
-    cat <<'HEADER'
+render_rule() {
+  cat <<'HEADER'
 ---
 trigger: always_on
 description: Load Superpowers at the start of every Antigravity session
@@ -25,34 +24,21 @@ The Superpowers bootstrap and Antigravity tool mapping are already loaded below.
 Do not reopen those two files merely to load them. Read other skills when needed.
 
 HEADER
-    cat "$SKILL_SRC"
-    printf '\n\n'
-    cat "$MAP_SRC"
-  } > "$OUTPUT"
+  cat "$SKILL_SRC"
+  printf '\n\n'
+  cat "$MAP_SRC"
+}
+
+if [[ "$OUTPUT" == /dev/* ]]; then
+  render_rule > "$OUTPUT"
   exit 0
 fi
 
 mkdir -p "$(dirname "$OUTPUT")"
 TMP_OUTPUT="$(mktemp "$(dirname "$OUTPUT")/.superpowers.XXXXXX")"
 trap 'rm -f "$TMP_OUTPUT"' EXIT
 
-{
-  cat <<'HEADER'
----
-trigger: always_on
-description: Load Superpowers at the start of every Antigravity session
----
-
-<!-- Generated by scripts/generate-antigravity-rule.sh. Do not edit directly. -->
-
-The Superpowers bootstrap and Antigravity tool mapping are already loaded below.
-Do not reopen those two files merely to load them. Read other skills when needed.
-
-HEADER
-  cat "$SKILL_SRC"
-  printf '\n\n'
-  cat "$MAP_SRC"
-} > "$TMP_OUTPUT"
+render_rule > "$TMP_OUTPUT"
 
 mv "$TMP_OUTPUT" "$OUTPUT"
 trap - EXIT